Mainframe Developer jobs at TEKsystems

Experience-At least 3 years in professional software development and experience with the following: C# .NET. WCF and client server architectures. ORM mappers (Preferably Entity Framework). working with relational databases (Preferably SQL Server). XAML/WPF. Experience with test driven development and automated testing. Primary Responsibilities*: Write clean, well-engineered code and participate in code reviews. Be able to perform analysis and design work for customer special requests and system wide development. Work with QA and Documentation employees in new software development, maintenance, and initial documentation ensuring that all modifications are: consistent with system standards, easy to use and understand for customers, and well integrated into the entire system. Perform preliminary testing; prepare testing instructions for documentation and debugging of programs. Also, perform unit and system testing. Understand customer's goals, strategies and constraints to enhance the software. Assist in resolving escalated customer issues when required. Meet deadlines and complete scheduled work within budget and allotted time. Required Skills: Ability to analyze, understand, and approach projects in a logical and systematic manner so programming is complete, accurate, and interfaces well with the rest of the software. Good verbal and written communication skills as well as the ability to organize and prioritize projects. Have a complete understanding of programming tools Understand and use internal tools effectively. Proficiency within existing programming environment. Be decisive and capable of working with minimum supervision. Skills C#, object oriented development, WPF, entity framework, ms sql, mvvm, mvc design patterns, power bi, data modeling, vertex, xamarin, Avalara, redis, erp software, Azure containers, FHIR, epic, Cerner Top Skills Details C#,object oriented development,WPF,entity framework,ms sql,mvvm,mvc design patterns,power bi,data modeling,vertex,xamarin,Avalara,redis,erp software,Azure containers,FHIR,epic,Cerner Additional Skills & Qualifications Need to have solid communication and the ability to work with a team. Experience Level Expert Level Job Type & Location This is a Contract to Hire position based out of BILLINGS, MT. Pay and Benefits The pay range for this position is $40.00 - $57.00/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: - Medical, dental & vision - Critical Illness, Accident, and Hospital - 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available - Life Insurance (Voluntary Life & AD&D for the employee and dependents) - Short and long-term disability - Health Spending Account (HSA) - Transportation benefits - Employee Assistance Program - Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type This is a fully remote position. Application Deadline This position is anticipated to close on Dec 19, 2025. h4>About TEKsystems: We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. About TEKsystems and TEKsystems Global Services We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.