Senior java developer jobs in Hamden, CT - 708 jobs

Please note: This position is not eligible for OPT or other temporary work authorizations. Candidates must have valid work authorization in the U.S. without the need for sponsorship now or in the future. The Java Batch Developer is responsible for designing, developing, and maintaining robust batch processing systems that support enterprise applications, particularly in the policy administration integration domain. The role requires expertise in Spring Batch and Java-based backend development. A knack for implementing full-stack solutions using modern digital technologies is a plus. Familiarity with AWS cloud services and EKS is highly desirable to support scalable and cloud-native batch solutions. The developer will collaborate with cross-functional teams to ensure seamless integration and high-performance data processing. Principal Duties and Responsibilities Design, develop, and maintain batch processing applications using Java, NodeJs and Spring Batch. Integrate batch jobs with enterprise systems, including policy administration platforms and data warehouses. Optimize performance of batch jobs for large-scale data processing and scheduling. Leverage AWS services (e.g., Lambda, S3, RDS, EKS) to build scalable and cloud-native batch solutions. Implement monitoring, logging, and alerting for batch processes. Collaborate with DevOps teams to implement CI/CD pipelines and automate deployments. Ensure code quality through unit testing, integration testing, and code reviews. Maintain technical documentation for batch processes and system integrations. Stay current with industry trends and best practices in batch processing and cloud technologies. Perform other duties as assigned. Knowledge, Skills and Abilities Bachelor's degree in Computer Science or related field. 1-3 years of experience in Java/full-stack development with at least 1 years in Spring Batch/NodeJs related technologies. Strong understanding of batch processing patterns, transaction management, and job scheduling. Experience with AWS services such as Lambda, S3, RDS, Step Functions, and preferably EKS. Familiarity with containerization (Docker) and orchestration (Kubernetes). Experience with relational databases (e.g., MySQL, PostgreSQL, SQL Server). Knowledge of CI/CD tools (e.g., Jenkins, GitLab CI, AWS CodePipeline). Understanding of secure coding practices and data privacy standards. Strong analytical and problem-solving skills. Excellent communication and collaboration abilities. Compensation Nassau maintains a holistic compensation philosophy focused on competitive base salaries, performance driven incentives, and unique professional development opportunities. The combination of compensation, benefits, and an entrepreneurial culture along with related experiences is key to recruiting and retaining talent. Our compensation system is designed to reward performance, support development and job growth, and compensate individuals relative to their contribution to our organization. The base salary for this position falls within the range of $90,000-$125,000 depending upon experience. Visit our Careers page and apply online at ******************** Based in Hartford, Connecticut, Nassau Financial Group is a growth focused and digitally enabled financial services company with a fully integrated platform across insurance and asset management. Nassau was founded in 2015 and has grown to $1.6 billion in total adjusted capital, $25.6 billion in assets under management, and 361,000 policies and contracts as of September 30, 2025. As part of a young and growing financial services enterprise, our employees are tapping into a new entrepreneurial spirit while they build on a long track record of putting customers first, understanding the evolving income and protection needs, and developing quality products to meet those needs. Nassau provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.