Senior AWS Java/Python Developer with Microservices & API experience

Job Title: Senior AWS Java/Python Developer with Microservices & API experience
Location: Knoxville, TN
Type: Direct Hire
Compensation: $98,000.00
Work Model: Onsite – onsite
Hours: 40.0
Security Clearance: (not specified)

Overview
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Responsibilities

• Build and support scalable, cloud native applications and data solutions within a large financial services environment.
• Participate across the full software development lifecycle, including requirements analysis, development, automated testing, deployment support, and production troubleshooting.
• Work extensively with Java, Python, and AWS services to deliver backend applications, data pipelines, APIs, and Generative AI capabilities.
• Implement production-ready solutions using AWS services such as Amazon Redshift, RDS, Glue, DMS, ECS, and Bedrock.
• Develop Generative AI capabilities including Retrieval Augmented Generation (RAG), prompt engineering, and agentic workflows.
• Build automated tests, validate data and application behavior, troubleshoot defects, and ensure solutions meet performance, scalability, reliability, and quality expectations.
• Collaborate closely with business, product, data, and engineering teams to meet project goals.

• 5+ years of hands-on software development experience, preferably building enterprise-scale applications.
• Strong Java development experience, including Spring Boot and microservices.
• Strong Python development experience for APIs, data processing, automation, and AI/ML integrations.
• Hands-on experience with AWS, particularly Amazon Redshift, RDS, Glue, DMS, ECS, and Bedrock.
• Experience developing cloud native backend services and containerized applications.
• Strong experience working with relational and analytical data platforms, including data ingestion, transformation, and data access patterns.
• Hands-on experience with Generative AI and LLM-based applications, preferably using Amazon Bedrock.
• Experience implementing RAG, prompt engineering, and/or agentic AI workflows.
• Strong automated testing experience across unit, integration, system, and regression testing.
• Experience incorporating automated testing into CI/CD pipelines and taking ownership of application quality throughout the SDLC.
• Solid understanding of distributed systems, microservices, APIs, and cloud native application patterns.
• Strong debugging, troubleshooting, performance tuning, and production support skills.
• Experience working in an Agile software development environment.
• Strong communication skills with the ability to work effectively with business, product, data, and engineering teams.
• Apache Spark/PySpark or Scala Spark experience is preferred.
• GraphQL API development experience is preferred.
• Experience with Docker and/or Kubernetes is preferred.
• Experience with vector databases and GenAI ecosystem tools is a plus.
• Experience working with data-intensive applications in financial services or another highly regulated environment is beneficial.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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Salary : $98,000