Senior AWS Java/Python Developer with Microservices & API experience

System One Holdings, LLC

$98K *
Finance & Insurance
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of hands-on software development experience, preferably with enterprise-scale applications.
  • Strong experience in Java development, particularly with Spring Boot and microservices.
  • Proficient in Python for APIs, data processing, automation, and AI/ML integrations.
  • Expertise with AWS services like Redshift, RDS, Glue, DMS, ECS, and Bedrock.
  • Experience in developing cloud native applications and containerized services.
  • Knowledge of relational and analytical data platforms with a focus on data flow and processing.
  • Hands-on experience with Generative AI technologies, including prompt engineering and RAG.

Responsibilities

  • Build and support scalable, cloud-native applications and data solutions in a financial services setting.
  • Engage in all software development lifecycle stages from analysis to production support.
  • Utilize Java, Python, and AWS to create backend applications and data pipelines.
  • Implement production-ready solutions using various AWS services effectively.
  • Develop Generative AI capabilities, including agentic workflows and prompt engineering.
  • Create automated tests and validate the performance, reliability, and quality of solutions.
  • Collaborate with cross-functional teams to achieve project objectives.

Benefits

  • Health and welfare benefits including medical, dental, and vision coverage.
  • Participation in 401(k) plan to support retirement savings.
  • Voluntary benefits like life insurance and spending accounts.
Full Job Description
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
Leave placeholder text here for recruiter to input

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.
Requirements
  • 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.

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