Senior Software Engineer – Contract

🕒 May 5

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540

WebsiteLinkedInAll Job Openings

51 - 200 employees

🏛️ Government

Government • Tech

540 is a technology consulting company that partners with the Federal Government and business clients to drive innovation and break barriers. The company specializes in tech strategy, agile delivery, API design and development, data analytics, and cloud services. 540 helps its clients by leveraging cutting-edge technology and design, creating impactful user experiences, and shipping high-quality code. With a focus on DevSecOps, they securely manage and scale infrastructure as organizations grow. 540's services empower developers, integrators, and data consumers through best practices in APIs and cloud solutions. Their commitment extends to aiding government in implementing advanced technology solutions, particularly in API strategy and data-driven applications.

📋 Description

• 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

🎯 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