540 logo
540

We are a forward-thinking company that the Federal Government turns to in order to #GetShitDone

Senior Software Engineer – Contract

Full-stack EngineerSoftware EngineerContractRemoteSeniorTeam 51-200H1B No SponsorCompany SiteLinkedIn

Location

United States

Posted

68 days ago

Salary

0

Seniority

Senior

Job Description

Senior Software Engineer – Contract

540

• Design and develop full-stack features across Angular front-end applications and Java/Spring Boot microservices • Build and operate scalable services in containerized environments (Docker, Kubernetes) • Own the design and evolution of core services and APIs, ensuring scalability, reliability, and maintainability • Design and integrate RESTful APIs to enable secure communication across systems • Implement asynchronous messaging patterns (Kafka) for distributed environments • Design and optimize data models and persistence layers (Postgres or MySQL) • Collaborate with engineers, architects, and stakeholders to translate mission needs into technical solutions • Contribute to technical design documentation and system architecture artifacts • Lead or participate in code reviews, testing, and troubleshooting to ensure high-quality software • Drive features and services end-to-end, from design through production delivery • Help define service design patterns, API standards, and engineering best practices • Improve system performance, scalability, and reliability as the platform evolves

Job Requirements

  • 8+ years of professional software development experience
  • Strong experience with Java and Spring Boot for building production-grade services
  • Experience developing microservices in containerized environments (Docker, Kubernetes)
  • Experience with asynchronous messaging systems (Kafka)
  • Proficiency with build tools such as Gradle or Maven
  • Experience with JavaScript/TypeScript and modern frameworks (Angular preferred)
  • Strong experience designing and consuming RESTful APIs
  • Experience working with relational databases (Postgres or MySQL)
  • Ability to produce technical design documentation (system diagrams, architecture artifacts)
  • Strong problem-solving skills and ability to navigate ambiguity
  • Excellent communication skills, including working directly with stakeholders or clients
  • Demonstrated ownership and ability to drive work from concept to production
  • Ability to design with future scalability and platform evolution in mind.

Benefits

  • Contract Duration: initial 9 month contract, 40 hours per week

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