Backend Java Developer
Lead developer job in Rosemont, IL
Hello,
We have 4 urgent openings for a "Backend Java Developer". These are hybrid roles in day per week onsite (Wednesdays) - Local candidates only
Only looking for candidates who can work on W2
Strictly no C2C or third-party vendors
Client: Ahold Delhaize (AD USA)
Title: Backend Java Developer
Location: Rosemont, IL
Onsite Requirement: 1 day per week onsite (Wednesdays) - Local candidates only
Employment Type: Contract to Hire
Rate: $65 - $70/hr on 1099
Citizenship: USC and GC Only
Tech Stack: Java, Spring Boot, AWS or Azure
Ahold Delhaize is seeking an experienced Backend Java Developer to support large-scale, enterprise-level initiatives within their digital and customer-facing platforms. This position is ideal for a strong backend engineer who thrives in building scalable applications, optimizing performance, and contributing to enterprise architecture.
If you are passionate about designing reliable backend systems and you want your work to make a measurable impact, this is an excellent opportunity.
Position Overview
The Backend Java Developer will design and build high-performing backend services that power key business applications. You will work across multiple technology domains, help modernize existing systems, drive architectural discussions, and mentor junior developers. The role blends hands-on coding, architectural input, and team collaboration.
Key Responsibilities
• Lead hands-on backend development for enterprise-grade applications
• Design, develop, and maintain complex software components across multiple tech domains
• Build reusable, scalable libraries and backend services
• Ensure stability, scalability, and performance of the platform
• Develop solutions aligned with established technical design standards and best practices
• Lead story grooming, feature-level design sessions, and development planning
• Improve code quality, development accuracy, and project delivery timelines
• Conduct detailed code reviews and guide junior developers
• Support distributed system development and cloud-based architecture
• Collaborate with cross-functional teams in Agile environments
• Mentor junior engineers and support knowledge transfer
Required Skills
• 5+ years in a Senior Developer capacity working on enterprise applications
• 5+ years developing backend services in Java
• Strong experience building and consuming APIs
• 3+ years working with AWS or Azure to build cloud-native architectures
• Solid understanding of service-oriented architecture and event-driven systems
• Strong knowledge of Java 8+
• Hands-on experience with Spring Boot, Spring Framework, Spring Data, Spring Cloud, and Spring Security
• Experience with relational and NoSQL databases and ORM tools
• Strong experience developing distributed systems and microservices
• Familiarity with fault-tolerant, high-availability system design
• Experience with JUnit, TestNG, Mockito, and E2E testing frameworks
• Understanding of Agile, TDD, CI/CD practices
• Strong communication skills and ability to mentor junior engineers
Preferred Qualifications
• Experience supporting large-scale customer-facing platforms
• Background in cloud-first modernization projects
• Experience working in hybrid environments with cross-functional teams
ABOUT US:
Anagh Technologies is a technical consulting firm specializing in UI, Front-End, and Full-Stack web technologies. We currently have 30+ positions in Angular, React, Node, and Java.
If technically strong, we can 100% get you an offer within 2 weeks MAX, as we will consider you for multiple roles at once. If you are interested and are available, please email me your resume and contact information to jeff.r AT anaghtech.com. Thank you for your time.
Senior Software Engineer
Lead developer job in Chicago, IL
Senior Software Engineer - Build Next-Gen Conversational Platforms
💰 Salary: $230K base + 15% bonus + equity
About the Opportunity
Harnham is working with a fast-growing AI technology company that is building a next-generation agentic voice platform for enterprise-scale customer engagement. This organization partners with Fortune 50 businesses across healthcare, finance, and retail and is backed by leading investors with over $25M in funding.
They are scaling rapidly and seeking an experienced Senior Software Engineer to join their engineering team and help shape the future of conversational AI.
The Role
You'll design and build core platform components, working on backend services and APIs that power real-time voice applications. This role requires strong CS fundamentals, experience in scalable architectures, and collaboration with ML engineers and product teams.
Key Responsibilities
Develop backend services and APIs for high-concurrency, real-time applications
Design scalable, secure architecture for cloud-based systems
Work across backend and some frontend layers (full-stack experience is a plus)
Implement solutions in AWS ecosystems (EKS, Lambda, S3)
Optimize data models and pipelines using Postgres
Collaborate with ML engineers and DevOps to integrate AI models into production
Mentor junior engineers and establish best practices in coding, testing, and CI/CD
What We're Looking For
6-7+ years of software engineering experience
Strong CS fundamentals (data structures, algorithms, architecture)
Experience with AWS services and containerized environments (Docker/Kubernetes)
Proficiency in backend development (Java, Python, or similar)
Exposure to frontend frameworks is a plus
Familiarity with distributed systems and high-performance architectures
Why Apply?
Competitive compensation + bonus + equity
Work on industry-disrupting AI solutions
Collaborative culture with real impact
Relocation support and hybrid flexibility
Senior Android Developer
Lead developer job in Chicago, IL
Are you passionate about developing innovative mobile solutions? Do you thrive in an environment where diversity of thought and background is celebrated? We?re looking for an Android Developer, on-site in our Chicago office, who brings expertise in Digital Rights Management (DRM) and video streaming technologies to help us build world-class mobile applications.
Key Responsibilities
Develop and enhance Android applications with a focus on secure video streaming.
Implement DRM protocols (such as Widevine) to protect digital content.
Collaborate closely with product, design, and backend teams to build seamless and secure streaming experiences.
Ensure high performance, scalability, and usability of the app across different Android devices.
Stay updated on the latest trends in Android development, DRM, and media streaming technologies.
Debug and resolve complex technical issues across different versions of Android.
Participate in code reviews, ensuring adherence to best practices and high coding standards.
Manage multiple projects simultaneously, delivering high-quality solutions on time.
Take ownership of projects, making informed decisions to meet client and business needs.
Required Qualifications
Proven experience as an Android Developer with a strong portfolio of completed projects.
Proficient in Java and Kotlin.
Experience in developing applications for both current and older versions of Android.
Deep understanding of Android?s graphics stack and media frameworks.
Strong grasp of the Android event model and how touch and input events propagate through the View hierarchy.
Ability to optimize media rendering and UI performance by leveraging low- level system APIs, memory management techniques, and profiling tools
Solid understanding of Android architecture components and design patterns (MVVM, MVP)
Familiarity with secure storage, encryption, and app security best practices.
Familiarity with cloud services and integration (e.g., AWS).
Knowledge of version control systems, particularly Git
Experience working in a fast-paced agency environment or similar settings.
Excellent problem-solving skills and the ability to work independently and collaboratively.
Strong communication skills, with the ability to convey complex technical concepts to both technical and non-technical stakeholders.
Knowledge about network programing and protocols and integrating with RESTful and WebSocket-based APIs.
Preferred Qualifications
Experience with adaptive streaming and real-time video delivery.
Experience working with DRM technologies (Widevine, etc.).
Experience with graphics and animation libraries
Knowledge of crypto theory (PKI) and SGX enclave will be a plus.
Experience with DevOps practices and CI/CD pipelines.
Familiarity with agile methodologies.
Tandem Lead / Architect
Lead developer job in Rosemont, IL
HCLTech is looking for a highly talented and self-motivated Tandem Lead / Architect to join it in advancing the technological world through innovation and creativity.
Job Title: Tandem Lead / Architect
Position Type: Full-time
Location: Rosemont, IL (Remote ok)
Key Skills & Responsibilities:
Should have 15+ years of working experience in Tandem/HP Nonstop application programming (Hands on Role)
Expertise in COBOL, SCOBOL, NSQL (SQL/MP, SQL/MX), Enscribe, Pathway, EINSPECT/DEBUG, FUP, SCUP and TACL, TMF, BATCHCOM, SPOOLCOM.
Good functional knowledge of ERP (OMS, WMS), and financial transactions.
Good to have knowledge of core Java programming and Web Services/API.
Need at least one: Snowflake / SQL Server / Oracle / MySQL experience
Cloud experience would be nice, specifically S3 / Snowflake / AWS
Familiar with Agile and Waterfall Projects.
Nice to have the below skill set, but not mandatory: Need at least one: Windows server / Linux
Unix/MFT Need at least one: Java / Java Script / C / VB / C# / C++
Flexible to work late nights and weekends to support the release and offshore team.
Pay and Benefits
Pay Range Minimum: $72,000 per year
Pay Range Maximum: $147,400 per year
HCLTech is an equal opportunity employer, committed to providing equal employment opportunities to all applicants and employees regardless of race, religion, sex, color, age, national origin, pregnancy, sexual orientation, physical disability or genetic information, military or veteran status, or any other protected classification, in accordance with federal, state, and/or local law. Should any applicant have concerns about discrimination in the hiring process, they should provide a detailed report of those concerns to ****************** for investigation.
Compensation and Benefits
A candidate's pay within the range will depend on their work location, skills, experience, education, and other factors permitted by law. This role may also be eligible for performance-based bonuses subject to company policies. In addition, this role is eligible for the following benefits subject to company policies: medical, dental, vision, pharmacy, life, accidental death & dismemberment, and disability insurance; employee assistance program; 401(k) retirement plan; 10 days of paid time off per year (some positions are eligible for need-based leave with no designated number of leave days per year); and 10 paid holidays per year.
How You'll Grow
At HCLTech, we offer continuous opportunities for you to find your spark and grow with us. We want you to be happy and satisfied with your role and to really learn what type of work sparks your brilliance the best. Throughout your time with us, we offer transparent communication with senior-level employees, learning and career development programs at every level, and opportunities to experiment in different roles or even pivot industries. We believe that you should be in control of your career with unlimited opportunities to find the role that fits you best.
Lead Blockchain Software Developer
Lead developer job in Chicago, IL
Salary: Open + Bonus
Hybrid: 3 days onsite, 2 days remote
*This role is open to H1B transfer*
Qualifications
Bachelor's degree
7+ years of experience in software development
5+ years of experience in Java
2+ years of development experience with Scala
2+ years of experience in react js or similar technologies
1+ years of experience with distributed application design & blockchain
Experience with Akka or other actor-based systems
Experience with DevOps and CICD tools (GIT, Jenkins, Docker, Kubernetes, Harness, Rancher)
Experience with BDD methodologies & automated acceptance testing
Web and Mobile Application development experience
Understanding of message brokers, Queues and distributed datastores (Kafka, MQ, Redis, Splunk)
Experience with continuous integration tools and techniques, automating processes, and writing scripts using Python and other languages.
Proficient in the following types of testing: unit, integration, system, functional, non-functional, regression, performance, security, and acceptance
Responsibilities
Development and delivery of business features, integrating a variety of upstream data sources and presenting data through the user interface, all while enriching and advancing the platform.
Work alongside experts that are building a next generation blockchain-based securities lending system, and paving the future of digital transformation in the capital markets industry
Collaborate with others to deliver complex projects which may involve multiple systems
Develop solutions to complex technical challenges while coding, testing, troubleshooting, debugging, and documenting the systems you develop
Optimize application performance through analysis, code refactoring, and system tuning
Recommend technologies and tools that improve the efficiency and quality of company systems and development processes.
Senior Back End Developer - Distributed Systems (C# or Golang)
Lead developer job in Chicago, IL
Our client, a fast-growing organization developing secure, scalable technologies for next-generation AI applications, is seeking a Backend Engineer to join their core platform team.
In this role, you'll help build and refine the foundational services that power authentication, observability, data flows, and high-availability systems across a distributed ecosystem. This is an opportunity to work on complex backend challenges while shaping the infrastructure that supports mission-critical applications.
What You'll Do
Develop, enhance, and support backend services that form the foundation of the platform.
Build and maintain core authentication and authorization capabilities.
Apply principles of Domain-Driven Design to guide how services and components evolve over time.
Architect, extend, and support event-sourced systems to ensure durable, consistent operations at scale.
Participate in API design and integration efforts across internal and external stakeholders.
Implement and support messaging frameworks (e.g., NATS) to enable reliable service-to-service communication.
Maintain and improve observability tooling-including metrics, tracing, and logging-to ensure healthy system performance.
Work closely with infrastructure, DevOps, and engineering teams to ensure robust, secure, and maintainable operations.
What You Bring
3-6+ years of experience as a backend engineer.
Strong knowledge of distributed systems and microservices.
Proficiency in at least one modern backend programming language (C#, Go, Rust, etc.).
Practical experience with IAM concepts and authentication/authorization frameworks.
Exposure to event-sourcing patterns, DDD, and common messaging systems (e.g., NATS, Kafka, SNS, RabbitMQ).
Familiarity with Redis or similar in-memory caching technologies.
Experience working with observability tools such as Prometheus, Jaeger, ELK, or Application Insights.
Understanding of cloud-native environments and deployment workflows (AWS, Azure, or GCP).
Why This Role Is Compelling
You'll contribute directly to a foundational platform used across an entire organization-impacting performance, reliability, and security at every layer. If you enjoy solving distributed-system challenges and working on complex, high-scale backend services, this is a strong match.
#BackendEngineering #DistributedSystems #PlatformEngineering #CloudNative #SoftwareJobs
Lead Java Backend Developer
Lead developer job in Chicago, IL
Typical task breakdown:
- Competent to perform all programming, project management, and development assignments without close supervision; normally assigned the more complex aspects of systems work.
- Acts as team leader for development and support groups; provides programming and application/technical leadership, guidance, and assistance to other team members.
- Works directly on complex application/technical problem identification and resolution, including responding to off-shift and weekend support calls.
- Works independently on complex systems or infrastructure components that may be used by one or more applications or systems.
- Drives application development focused around delivering business valuable features
- Mentor and assist software engineers, providing technical assistance and direction as needed
- Maintains high standards of software quality within the team by establishing good practices and habits
- Identifies and encourage areas for growth and improvement within the team
- Guide the team to develop a structured application/interface code, new program documentation, operations documentation and user guides in a casual, flexible environment
- Communicate with end users and internal customers to help direct development, debugging, and testing of application software for accuracy, integrity, interoperability, and completeness
- Lead development of new functionality and applications on cross-functional Agile project teams
- Work with product owners to develop and implement complex, iterative delivery plans.
- Performs integrated testing and customer acceptance testing of components that requires careful planning and execution to ensure timely, quality results.
- Employee is also responsible for performing other job duties as assigned by CLIENT management from time to time.
Interaction with team:
- 13 folks in addition to the new roles coming out.
Education & Experience Required:
- Degree requirement: Degree is required with 10+ years experience / Masters degree is required to have 8+ years exp
Required Technical Skills
(Required)
- Demonstrated experience leading software engineering projects.
- 8 years or more of experience in designing and developing software applications in Java or Scala or at least 6 years of experience in Java or Scala with a master's degree in computer science or related field.
- 7 or more years of developing back-end applications using Spring Framework, Hibernate, and enterprise software design patterns.
- 7 or more years of experience with relational databases, non-relational databases and caching frameworks.
Top candidates will also have:
· Proven experience in many of the following,
o Designing, developing, deploying and maintaining software at scale.
o Developing software applications using relational and non-relational databases.
o Application architectural patterns, such as MVC, Microservices, Event-driven, etc.
o Deploying software using CI/CD tools such as Jenkins, GoCD, Azure Devops etc.
o Deploying and maintaining software using public clouds such as AWS or Azure.
o Working within an Agile framework (ideally Scrum)
· Strong understanding and/or experience in many of the following,
Batch or stream processing systems such as Apache Spark, Flink, Akka, Storm
o Message brokers such as Kafka, Rabbitmq, AWS SQS, AWS SNS, Apache ActiveMQ, Kinesis.
o Experience designing well-defined Restful APIs
o Experience writing API proxies on platforms such as Apigee Edge, AWS API Gateway or Azure API Gateway
o Hands one experience with API tools such as Swagger, Postman and Assertible
o Test driven development and behavior driven development.
o Hands on experience with testing tools such as Selenium and Cucumber and their integration into CI/CD pipelines.
o Datastores such as Postgres, MongoDB, Cassandra, Redis, Elasticsearch, MySQL, Oracle.
o Debugging and maintaining software in Linux or Unix platforms.
· Understanding of front-end state management libraries (redux)
· Must demonstrate solid knowledge of computer science fundamentals like data structures and algorithms.
· Ability to work under pressure and within time constraints
· Passion for technology and an eagerness to contribute to a team-oriented environment
· Demonstrated leadership on small to medium-scale projects impacting strategic priorities
· Bachelor's degree in Computer science or Electrical engineering or related field is required
Soft Skills
(Required)
- Excellent communication skills ( spoken and written)
Integration Developer- SAP/BTP
Lead developer job in Chicago, IL
Integrate SAP BTP apps with S/4HANA and non‑SAP systems using Integration Suite, BTP Destinations, API Management, and iFlows
Configure and utilize core BTP services: HANA Cloud, XSUAA, Workflow, Launchpad
Build and expose OData/CDS services; design RESTful and OData APIs for integration
Participate in architecture planning, code reviews, testing, and troubleshooting to ensure best practices are followed
Automate workflows and business rules within BTP, including event-driven design
Provide technical support, documentation, and training for users and team members
Stay up-to-date with new SAP BTP services, best practices, and cloud trends
Required Skills & Qualifications
Proven track record in SAP BTP development focusing on CAP, UI5, Fiori, and integration
Strong experience with SAP Cloud Integration, iPaaS, message formats (SOAP, REST, IDocs, ALE), and API design
Hands-on with HANA Cloud, XSUAA, Destinations, Workflow, Launchpad, Integration Suite, Kyma, etc.
Excellent problem-solving, analytical thinking, communication, collaboration, and adaptability in agile environments
Preferred or Optional Qualifications
SAP certification such as SAP Certified Development Associate - SAP Cloud Platform
Familiarity with SAP Build low-code/no-code tools (Apps, Work Zone, Process Automation)
Experience modernizing legacy apps, building microservices, or implementing automation solutions
Exposure to DevOps, CI/CD, observability, and lifecycle management on BTP
Senior ABAP Development Lead
Lead developer job in Chicago, IL
Relocation support is available for qualified candidates, with packages tailored to individual circumstances, including household status, number of vehicles, pets, and whether you rent or own your home.
About the Role
Our client is seeking an experienced SAP Development Lead to drive the design, ABAP development of a global SAP S/4HANA Private Cloud environment. This is a senior, hands-on technical leadership role at a growing U.S. organization. Ideal for someone who thrives on building scalable SAP solutions, driving secure system architecture, and collaborating cross-functionally with business and IT teams.
You'll lead development strategy and play a pivotal role in ensuring the stability and performance of mission-critical SAP applications.
Key Responsibilities
SAP Development
Lead end-to-end development of custom SAP solutions in S/4HANA Private Cloud.
Build applications using ABAP, ABAP RAP, OO ABAP, Smart Forms, and Adobe Forms.
Develop modern UI experiences with Fiori/UI5.
Create CDS Views, OData services, and RESTful APIs using ADT, BOPF, and BRF+.
Deliver WRICEF objects and performance tuning using Workbench, SAT, ST05, ST12.
Manage complex integrations via SAP CPI, IDOCs, BAPIs, RFCs, and flat files.
Collaborate across FI/CO, SD, MM, PP, PM, and QM functional areas for end-to-end solutions.
Oversee DevOps and transport management to ensure traceable, compliant deployments.
Manage 1 onshore ABAP developer and 1 offshore ABAP developer
Collaborate with offshore SAP Security team to support secure solution delivery
Required Qualifications
Bachelor's in Computer Science, Engineering, or related field.
8+ years SAP development experience (S/4HANA or ECC).
3+ years in a senior technical or team leadership capacity.
Expertise in ABAP, Fiori/UI5, ABAP RAP; CPI experience preferred.
Strong WRICEF development and CDS/OData expertise.
Hands-on in multiple SAP full lifecycle implementations.
Familiarity with Basis, infrastructure, and performance management.
Experience partnering with Security teams, and basic security knowledge, is a strong plus.
Strong communication and leadership skills.
Lead Software Engineer
Lead developer job in Chicago, IL
About the Company
The Aspen Group (TAG) is one of the largest and most trusted retail healthcare business support organizations in the U.S., supporting over 16,000 healthcare professionals across 1,200+ health and wellness offices in 46 states. Our brands, including Aspen Dental, ClearChoice Dental Implant Centers, WellNow Urgent Care, Chapter Aesthetic Studio, and AZPetVet, benefit from TAG's comprehensive suite of centralized business support services designed to enhance growth and provide high-quality healthcare experiences at scale. Together, we aim to make healthcare smarter, better, and more accessible for everyone.
About the Role
To support our rapid growth and technological evolution, we are seeking a Lead Software Engineer to join our expanding IT team. We're hiring two Lead Software Engineers on our full-stack team: one who leans Front-End and one who leans Back-End. You'll own mission-critical services (RESTful APIs, data streaming, rules engines) across microservices, set technical standards, and mentor engineers while collaborating with product and data science. You'll also help integrate AI models into production software and keep our products secure and compliant.
Responsibilities
Lead API and data-streaming service development used across TAG brands.
Build and optimize systems for reusability, scalability, and maintainability; drive design patterns, code quality, and testing.
Mentor engineers; influence architecture & best practices (technical leadership without direct people management).
Partner with product & data science; participate in code reviews; stay current with emerging tech (including AI in software).
Qualifications
10 years building large-scale software; ~5 years leading engineers/technical direction.
Required Skills
Strong in Python, Go, or C#; expert in REST; solid with GraphQL integrations.
Proficient with SQL (MySQL/PostgreSQL), cloud (AWS/GCP/Azure), CI/CD, and Kubernetes.
Experience integrating AI/ML models into software; security best practices/HIPAA awareness.
Front-End-leaning role: deep experience with a modern SPA framework (e.g., React/TypeScript) and design-system driven UI.
Back-End-leaning role: depth in distributed systems, data streaming, and service performance/observability. (Microservices & rules engines a plus.)
Preferred Skills
Healthcare tech exposure and HIPAA experience (bonus, not required).
Pay range and compensation package
Annual pay range: $167,000-$197,000. A generous benefits package that includes paid time off, health, dental, vision, and 401(k) savings plan with match.
Equal Opportunity Statement
If you are an applicant residing in California, please view our privacy policy here.
AS400 Synon Sr Developer
Lead developer job in Schaumburg, IL
Technical/Functional Skills:
• Strong functional knowledge of core PBM functions, specifically core adjudication, pricing, accumulators, MED D Pricing, benefit plan, patient pay and regulations
Required Skills:
• 15+ years of hands-on coding experience in CA/2E (Synon), including programming, array handling, and commit control
• 8+ years of hands-on coding experience in COBOL AS400 and/or Cobol ILE
• Experience working with ACMS/MOM
• Strong exposure to DB2400
Must have Skills - iSeries, SYNON, COBOL, AS400 (Mid-Range), ILE, COBOL/400, CLLE, SQL
Roles & Responsibilities
• Analyze and understand the functional and technical requirements.
• Work with business and capability teams to discuss and refine the requirements.
• Ability to guide the team and do hands-on development.
• Partner with team members to build robust, efficient, effective solutions.
• Identify opportunities to fine-tune and optimize applications.
• Participate in Agile/Scrum development process.
• Lead team in an onshore/offshore model
• Work in a team focused on continuous integration, improvement and learning
• Contribute to developing the technology roadmap for the team both functionally and technically
• Experience of coordinating with the client for requirement clarification and solution discussions
Generic Managerial Skills Required
Education:
Bachelor's Degree
A master's is a plus
Sr IAM Developer
Lead developer job in Chicago, IL
MUST Be Citizen or Green Card
This is a REMOTE role; however, candidates based in Illinois are preferred.
MUST SKILLS : ISC/IDN Must Required
MUST SKILLS - IAM (Identity Access Management) , Sailpoint and CyberArk MUST
The Senior IAM Developer will also formulate and define specifications for complex IAM installations, maintenance, and upgrades, while identifying and analysing performance and capacity issues. The position leads installation and maintenance of major operating system components, multiple program products, and ancillary system components; serves as a technical authority on multiple operating system elements; and collaborates with users, analysts, and technical staff to resolve system issues.
Essential Job Functions
Architect, design, and develop IAM technical solutions that meet business needs.
Evaluate capacity and performance issues.
Document technical solutions including specifications, models, diagrams, and other documentation as requested or required.
Support production applications and environments 24/7.
Effectively collaborate with IAM team members to ensure quality and delivery of solutions.
Review and provide feedback on business requirements and proposed technical solutions.
Participate in regional and national IAM communities to expand and share knowledge while improving practices.
Brainstorm with team members to identify alternative solutions.
Serve as a technical expert for the IAM team.
Perform additional duties as assigned.
Required Qualifications
BS or BA degree in Computer Science, Engineering, or equivalent education, training, or work experience (Master's degree preferred).
5 years of experience as an IAM developer or engineer.
3 years of hands-on SailPoint experience.
3 years of hands-on CyberArk experience.
5 or more years of programming experience developing, implementing, debugging, and maintaining applications with any of the following languages:
Java, Java EE
JavaScript, HTML, and CSS
SQL and Transact-SQL
Perl, PHP, Python, or Ruby
XML and JSON
Expert knowledge and multiple years of experience across:
Programming within UNIX/Linux using Unix Shell (bash)
Database systems such as MySQL, SQL Server, NoSQL, and Oracle
Programming LDAP using APIs such as OpenLDAP, JNDI, or Netscape
Web-service technologies such as SOAP or REST
Single Sign-On technologies (Shibboleth, OpenID Connect)
Open-source software and collaboration on open-source projects
Network authentication tools such as RADIUS or TACACS
Microsoft Active Directory
Version control software
2 or more years working with IAM systems and technologies such as Azure, Okta, OneLogin, Oracle Identity Manager, or similar.
Prior experience mentoring junior team members.
Experience with HIPAA, NIST, FERPA, and SOX standards preferred.
Senior Python Developer
Lead developer job in Chicago, IL
Design & build production-grade services and APIs (FastAPI / Django / Flask) using clean, well-tested Python.
Architect scalable systems (microservices, event-driven patterns, async I/O, caching) with high availability and failover.
Data & storage: model schemas; write efficient SQL; integrate with Postgres/MySQL, caching (Redis)
Performance & reliability: profile (cProfile, py-spy), tune hot paths, apply back-pressure, circuit breakers, retries, and idempotency.
Security & compliance: enforce authN/Z, secrets management, secure coding, dependency hygiene (SCA), and data protection.
DevOps & quality: code reviews, automated testing (pytest), static typing (mypy/pyright), linting, and CI/CD best practices.
Cloud & platform: containerize ; deploy to Kubernetes or serverless (Azure Functions); manage IaC (Terraform).
Observability: instrument with OpenTelemetry; create actionable dashboards/alerts
Minimum qualifications
10+ years of professional software engineering with Python in production.
Deep expertise with at least one Python web framework (FastAPI, Django, or Flask) and modern async programming.
Strong CS fundamentals: algorithms, data structures, and concurrency
Proven experience designing distributed systems and event-driven architectures.
Solid SQL/ORM experience (SQLAlchemy/Django ORM) and schema design.
Mastery of testing (unit/integration/contract), CI/CD (GitHub /Azure DevOps), and release strategies.
Hands-on with cloud (Azure), containers, Kubernetes, and infrastructure automation.
Excellent communication; ability to lead cross-functional initiatives.
Nice to have :
Security background: OAuth2/OIDC, Key Vault/Secrets Manager, threat modeling, SDLC governance.
FinTech domain experience
Front-end familiarity (React) for API-consumer alignment.
Senior Java Software Engineer
Lead developer job in Chicago, IL
We are looking for a Java Developer to analyse, design, code, and test Java/HTML/CSS/SQL code and web applications.
What You'll Do
Analyse business requirements to determine appropriate technology solutions
Write code, complete programming, perform testing, and debugging of web applications
Design and implement web services
Create SQL queries and database objects
Work with non-technical end users as needed
Follow department standards and methodologies
Interact and communicate effectively with all levels of staff, senior management, and customers
Provide ad-hoc reporting and analysis as required
What You'll Need
React and Unit testing for this one is a must.
Required:
9 years of experience with Java 8, 11, and higher versions
5 years of experience with React and Unit Testing
6 years of experience with SQL
6 years of experience with JavaScript
6 years of experience with CSS
5 years of experience with Bootstrap
5 years of experience with JPA (Java Persistence API)
5 years of experience with JQuery
5 years of experience with Spring Framework (including MVC)
Experience in agile development processes, especially Scrum
Excellent communication and interpersonal skills
Ability to work well individually and in a team environment
Preferred:
6 years of experience with Eclipse IDE
5 years of experience with AWS Cloud (CodeCommit, CodeBuild, CodePipeline, etc.)
3 years of experience with Apache Tomcat/TomEE
3 years of experience with JUnit & Selenium
3 years of experience with Python
3 years of experience with Jira & Confluence
Java AWS Developer - Fintech Domain
Lead developer job in Chicago, IL
Greymatter Innovationz helps you stay digitally relevant across domains, technologies, and skillsets, every day.
We are looking for:
Java AWS - Senior Developer with strong coding skills
Duration: Contract Or Fulltime
Onsite- 5 days/ wk
Candidate must be heavy on backend Java API and heavy on AWS (Lamba or S3 or any other AWS tool)
Must Have Qualifications:
• Experienced with Java development using Spring boot framework
• Strong knowledge of J2EE frameworks, Object Oriented Programming and microservices application architecture
• Strong knowledge of core java with understanding of concepts like Java runtime, interservice communication, Logging/Monitoring, Authorization, Bounded-Context based modeling, Exception Handling, JSON parsing
• Experienced with building and deploying applications in servers like Tomcat and WebSphere along with modern cloud tech stacks like Kubernetes and OCP.
• Hands on experience with RDBMS and PL/SQL technologies with exposure to both on prem (Oracle, Postgres) and cloud managed services databases like RDS and CloudSQL
• Strong experience in TDD methodology , writing and executing automated Junit Test cases
• Experienced with Streaming/Queuing platforms - Kafka/RabbitMQ
• Handson with Maven and Ant builds
• Experienced with DevSecOps pipelines and tools like Jenkins or Harness
• Knowledge of Payment domain with experience in wallet and digital payments.
• Spring Integration, Spring State machine and Spring batch frameworks
• Handon knowledge in AWS, GCP or Azure cloud
• Experience on cloud native technologies like S3, SQS, Lambda functions etc
• Knowledge of NO SQL databases
• Strong knowledge and hands-on skills in Docker, Kubernetes, OpenShift, RHEL, Helm
• Strong analytical and communication skills
• Knowledge of API Management and API Integration design patterns
• Exposure to Performance test tools like Jmeter or Gatling
• Exposure to chaos experiments and Chaos tools like Gremlin, Litmus etc.
At Greymatter Innovationz,
We offer:
Motivating Work Environment.
Excellent Work Culture.
Help you to upgrade yourself to the next level.
And More!!!
Restaurant Technology Leader (POS / QSR)
Lead developer job in Chicago, IL
POS / Restaurant Technology Leader (QSR Domain)
CoSourcing Partners is seeking a highly experienced Restaurant Technology Leader with deep expertise in Quick Service Restaurant (QSR) operations and the supporting technology ecosystem specifically Point-of-Sale (POS) platforms and restaurant operations systems. This role blends domain expertise, IT leadership, and client-facing consulting capabilities to drive strategic technology initiatives across large-scale, complex restaurant environments.
The ideal candidate brings a strong background in POS systems, restaurant technology operations, and the full Software Development Life Cycle (SDLC), along with the leadership presence to collaborate directly with senior business executives. The role requires extensive, ongoing on-site presence in Chicago.
Key Responsibilities
Domain & Technical Leadership
Serve as a subject matter expert in QSR / restaurant operations, with hands-on understanding of the technology ecosystem supporting restaurant environments.
Provide deep expertise in POS platforms, transaction flows, order management, restaurant operations tools, and integrations with back-of-house, delivery, kiosk, and digital systems.
Apply strong understanding of SDLC, software engineering workflows, platform modernization practices, and restaurant technology architectures.
Guide the design, enhancement, and implementation of restaurant technology capabilities across multiple workstreams.
IT Team & Program Leadership
Lead and influence cross-functional IT teams in a large-scale matrix organization, potentially overseeing up to 700 contributors across engineering, product, and operations.
Provide clear direction, prioritization, and escalation management across multiple programs and technology deliverables.
Drive accountability for quality, timeline, architecture decisions, and operational excellence across all assigned initiatives.
Partner with global delivery teams to ensure alignment on business objectives and optimized execution across distributed teams.
Executive Stakeholder Management
Build trusted relationships with senior executives (Sr. Director, VP-level), becoming a strategic partner for day-to-day operations, escalations, and long-term business innovation.
Serve as the primary liaison between business and technology teams, ensuring clarity of priorities, issue resolution, and delivery of new capabilities.
Anticipate business needs and proactively identify opportunities where technology can improve operations, efficiency, and customer experience.
Consulting & Business Development Contribution
Although prior consulting experience is not required, the candidate must excel in a consulting-oriented environment with accountability for:
Delivery performance (quality, timelines, revenue, and margin)
Executive-facing communication and expectation management
Identification and development of new business opportunities within client accounts
Work collaboratively with leadership to expand restaurant technology engagements through thought leadership and strategic partnership.
Required Qualifications
10+ years of experience in QSR or restaurant technology, with strong understanding of restaurant operations and supporting systems.
Deep expertise with Point-of-Sale (POS) platforms commonly used in QSR environments; experience with brands such as Domino's, Starbucks, McDonald's, or similar preferred.
Strong IT background with experience across the Software Development Life Cycle, including architecture exposure, engineering collaboration, and platform integrations.
Proven experience leading large-scale, matrixed IT teams ideally hundreds of contributors across multiple programs or capabilities.
Demonstrated success partnering with senior business leaders, managing escalations, building trust, and delivering strategic outcomes.
Ability to thrive in a consulting-style environment with accountability for delivery performance, financial outcomes, and client satisfaction.
Strong communication, executive presence, and problem-solving skills.
Must be located in or willing to relocate to Chicago, with significant on-site presence required.
Location
Chicago, IL - On-site presence is essential and required for success in this role.
CoSourcing Partners is an equal opportunity employer committed to fostering an inclusive and diverse workplace. We do not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, genetic information, or any other protected status under applicable federal, state, or local laws.
We believe in creating a work environment where all employees feel valued, respected, and empowered to contribute to our success. Accommodations are available upon request for applicants with disabilities throughout the hiring process.
Join us and be part of a team that values diversity, equity, and inclusion.
Databricks Technical Lead
Lead developer job in Chicago, IL
Title: Databricks Technical Lead
Duration: 12+ Months
Role description
We're looking for a Databricks Technical Lead who can guide the design and build-out of our data engineering and transformation platforms. This person will be the go-to expert on Databricks, Delta Lake, and Spark, and will help shape how data flows across our organization - from ingestion all the way through our curated layers.
This is a hands-on leadership role. You won't just review work - you'll help solve hard problems, mentor engineers, set standards, and make architecture decisions that will influence the platform for years.
What You'll Do
Lead the technical direction for Databricks-based data pipelines and frameworks.
Design and review patterns for ingesting, transforming, and publishing data (Bronze → Silver → Gold).
Define best practices around Delta Lake, schema evolution, SCD handling, and metadata-driven transformations.
Provide technical oversight across multiple engineering squads.
Work with architects, data modelers, quality engineers, and operations teams to ensure pipelines are built the right way.
Mentor data engineers and help elevate the overall engineering capability.
Oversee Unity Catalog governance, including RBAC, lineage, and schema enforcement.
Help troubleshoot complex performance issues and guide teams on tuning and optimization.
Support integration with orchestration tools and CI/CD processes.
What You Bring
Several years of hands-on Spark experience and deep expertise with Databricks (Workflows, Delta Lake, Repos, Unity Catalog).
Strong understanding of data engineering patterns, especially medallion architecture.
Comfortable designing metadata-driven systems using YAML/JSON or similar configuration styles.
Solid knowledge of AWS data services (S3, Glue, IAM, or equivalents).
Experience with structured streaming and Auto Loader is a plus.
Ability to lead and mentor engineers, give constructive feedback, and set engineering standards.
Strong communication skills - able to explain complex ideas in a clear and approachable way.
Recruiter Checklist - Databricks Technical Lead
Must-Have Skills
5+ years Databricks experience at a senior/lead level
Strong Spark (PySpark + Spark SQL), not just SQL users
Deep understanding of Delta Lake (OPTIMIZE, VACUUM, compaction, file layout)
Designed or owned a medallion architecture
Experience with schema evolution & SCD Type 1/2 handling
Hands-on Unity Catalog experience (permissions, lineage, governance)
Built or maintained metadata-driven frameworks
Streaming experience (Auto Loader / Structured Streaming)
Experience with Airflow, Glue, or Databricks Workflows
Working knowledge of cloud services (AWS)
Leadership Indicators
Has led or mentored engineering teams
Performs architecture/design reviews
Sets standards and frameworks
Communicates clearly with tech and non-tech teams
Red Flags
Only familiar with Databricks notebooks, not platform engineering
No real Spark optimization experience
No Unity Catalog exposure
Has not worked on metadata-driven patterns
Cannot explain SCD or schema evolution confidently
Sr. Dell Boomi Developer
Lead developer job in Kenosha, WI
Client is looking for Sr.Dell Boomi Developer with experience in ERP.
RESPONSIBILITIES
Design and Architect Solutions: Bringing deep knowledge to design stable, reliable, and scalable integration solutions using the Dell Boomi Atmosphere platform and its components (Integration, API Management, MDM, etc.)
Hands-on Development: Designing, developing, and implementing complex integration processes, workflows, and APIs (REST/SOAP) to connect various applications (on-premises and cloud-based), ERP systems (like Microsoft Dynamics, Oracle EBS, SAP), and other data sources.
Data Transformation: Proficiently handling various data formats such as XML, JSON, CSV and database formats, and using Boomi''s capabilities and scripting languages (like Groovy or JavaScript) for complex data mapping and transformations.
Dell Boomi Platform Knowledge: Proficiency in Dell Boomi is crucial. Familiarize yourself with Boomi components such as connectors, processes, maps, and APIs. Understand how to design, build, and deploy integrations using Boomi.
API Development: Strong knowledge of RESTful and SOAP APIs. You'll create, consume, and manage APIs within Boomi.
Working with team members and business users to understand project requirements and deliver successful design, implementation, and post implementation support.
Working closely with team members to translate business requirements into feasible and efficient technical solutions.
Develop and maintain documentation for integration and testing processes
Be highly accurate in activity assessment, effort estimation and delivery commitment to ensure all project activities are delivered on time without comprising quality. • Diagnose complex technical issues and provide recommendations on solutions with consideration of best practices and longer-term impacts of decisions.
Lead/Perform third party testing, performance testing and UAT coordination.
Selecting the appropriate development platform(s) to execute business requirements and ensure post implementation success.
Serve as technical lead on projects to design, develop, test, document and deploy robust integration solutions.
Working both independently and as part of a team; collaborating closely with other IT and non-IT team members.
Assessing and troubleshooting production issues with a varying degree of priority and complexity.
Optimizing existing and developing new integration solutions to support business requirements.
Providing continuous support and management of the integration layer ensuring the integrity of our data and integrations and remove single points of failure.
Good knowledge of best practices in error handling, logging, and monitoring.
Documenting and cross-training team members for support continuity.
Compliance to all of Jockey's policies and procedures.
QUALIFICATIONS
10-15 years of experience with enterprise integration platform
Bachelor's degree in computer science
Troubleshooting Skills: Be adept at diagnosing and resolving integration issues. Familiarity with Boomi's debugging tools is valuable.
Security Awareness: Knowledge of authentication methods, encryption, and secure data transmission.
Experience and proven track record of implementing integration projects.
Extensible Stylesheet Language Transformations (XSLT) experience is a plus.
Project Management experience is a plus
Experience of ERP systems within a fast-moving wholesale, retail, and Ecommerce environment is highly desirable.
Experience of Boomi implementation with Microsoft Dynamics ERP system is a plus.
Senior Dotnet Developer
Lead developer job in Chicago, IL
Required Skills & Experience
Strong and practical expertise in .NET development.
Solid experience with Microsoft Azure and AI Foundry/AI-related solutions.
Strong Python programming skills.
Proficiency with low-code/no-code platforms, especially Retool.
Ability to quickly prototype, iterate, and convert ideas into workable models.
Strong debugging skills with a proactive attitude toward fixing code and optimizing performance.
Personal Attributes
Must be a “vibe coder”-creative, curious, and passionate about building cool things.
A true self-starter who can work independently with minimal supervision.
A go-getter who thrives in fast-paced environments.
High energy, enthusiasm, and a strong sense of ownership in getting work done.
Technical Lead
Lead developer job in Westmont, IL
- Technical Architect (Salesforce CLM)
Client and the Project we are hiring for :- Costco
FTE/CONTRACT:- Contract
Job Description-
rSTAR Technologies is seeking a highly skilledand experienced TechnicalArchitect with a strong background in Salesforce, CLM, and Experience Cloud to lead and deliver complex Salesforce solutionsfor Costco. The ideal candidate will have extensive expertise in Salesforce technical architecture, including deep experience with CLM, Experience Cloud, and integration platforms like Conga and DocuSign.
Years of experience :- 8+ Years
Roles and Responsibilities :-
Design, develop, and implement scalable Salesforce solutions tailored to Costco's business needs, focusing on CLM and Experience Cloud.
Act as the technical lead for Salesforce projects, providing architectural guidance and best practices.
Collaborate with stakeholders to gather requirements and translate them into technical designs.
Develop and maintain integrations with Conga, DocuSign, and other third-party tools.
Ensure robust data security, compliance, and performance tuning in Salesforce environments.
Mentor and provide technical guidance to development teams.
Conduct code reviews, technical assessments, and support QA processes.
Translate complex legal and business contracting requirements into scalable technical that leverage clause libraries, templates, redlining, negotiation, and e-signature capabilities.
Configure and customize core CLM applications such as DocuSign CLM, Conga CLM-including data models, workflows, approval rules, and version-controlled document generation.
Design robust redlining processes: Word-based or online collaboration, tracked changes, clause swaps, conditional tailback language, and counter-party negotiation portals.
Implement granular security (object/field-level, sharing rules, shield encryption) and ensure audit trails for all contract edits, comments, and negotiation threads.
Qualification & skills :-
Strong overall Salesforce architecture experience, specifically in CLM (Contract Lifecycle Management) and Experience Cloud.
Proven expertise with Conga and DocuSign integrations within Salesforce.
Experience in Salesforce CLM and related modules.
Familiarity with Salesforce development tools and platforms (Apex, Lightning, Visualforce, Salesforce DX).
Good understanding of Salesforce data model, security model, and APls.
Excellent problem-solving, communication, and stakeholder management skills.
Salesforce certifications like Salesforce Certified Technical Architect (CTA) or Application Architect are a plus.