Sr. Software Developer
Job in
St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listed on 2026-10-23
Listing for:
Intone Inc
Full Time
position Listed on 2026-10-23
Job specializations:
-
Software Development
Java Developer, Cloud Engineer - Software, Software Engineer, AWS
Job Description & How to Apply Below
We are seeking a Senior Software Developer for a 12+ month contract position based in St. Louis, Missouri. This is a hands-on role supporting the modernization and maintenance of a mission-critical enterprise application in AWS Gov Cloud (FedRAMP High). You will work in a fast-paced environment focused on innovation and reliability, collaborating with enterprise architects and scrum teams to translate architectural vision into practical, scalable solutions.
Responsibilities- Design and implement microservices using Java/Spring Boot and Type Script, supporting event-driven and RESTful integration patterns.
- Build solutions leveraging AWS Gov Cloud services, including ECS/EKS, Lambda, Event Bridge, and RDS, within microservices and micro-frontend architecture.
- Address technical debt by upgrading outdated dependencies and frameworks.
- Ensure comprehensive test automation using UI testing and behavior-driven development (BDD) approaches.
- Work closely with enterprise architects and scrum teams to translate architectural vision into practical, scalable solutions.
- Apply reusable patterns and best practices to ensure architectural consistency across teams.
- Participate in architecture reviews, code reviews, and technical discussions aligned with enterprise standards.
- Document designs, articulate complex ideas, and share knowledge effectively through strong technical writing and communication.
- Tackle challenging engineering problems with creative and pragmatic solutions.
- Troubleshoot issues, optimize performance, and deliver robust features that meet production stability requirements.
- Required
- 5+ years of software engineering experience with a strong focus on hands-on development.
- Advanced proficiency in Java and Spring Boot ecosystem.
- Experience with AWS Cloud, including ECS/EKS, Lambda, RDS/Aurora, and infrastructure-as-code tools such as CDK or Cloud Formation.
- Experience with Angular.
- Demonstrated background in microservices architecture, including modernization of legacy applications using patterns like the strangler pattern.
- Strong technical writing and communication skills, with the ability to document designs and articulate complex ideas clearly.
- Excellent problem-solving skills and collaborative approach to working with cross-functional teams.
- Demonstrated comfort with AI-enabled tools, coupled with a willingness to learn and apply emerging technologies to improve productivity and business outcomes.
- Preferred
- Familiarity with micro-frontend architecture (module federation).
- Experience working in FedRAMP High, FISMA, or similar compliance environments.
- Track record of reducing technical debt through dependency upgrades, refactoring, and test automation.
- Expertise in CI/CD pipelines (e.g., Git Lab CI/CD), artifact management, and security scanning.
- Familiarity with observability tools such as Cloud Watch, Grafana, and Open Search.
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