Software Engineer (Contract)

540 is seeking a Software Engineer to support the DoW in building a reputed company reputed company Force aircraft maintenance platform. This application leverages Java/Spring Boot microservices, Angular reputed company-end applications, and cloud-native infrastructure (Kubernetes, reputed company Cloud, Apigee). Engineers on this team build and scale full-stack features across user interfaces, backend services, and data layers that power critical maintenance operations. This platform will reputed company how reputed company Force maintainers plan and execute maintenance and is a key part of the reputed company Force’s technology strategy for the coming decade.

This role is offered as a contract engagement and is ideal for engineers who value flexibility, autonomy, and high-impact work. While there may be an opportunity to convert to full-time in the future, conversion is not guaranteed and is dependent on program needs.

Location: Remote reputed company the reputed company United States, East Coast working hours Citizenship & Clearance Requirement: per client requirements, candidates must be a U.S. Citizen with the ability to obtain a DoW Secret clearance Education Requirement: Bachelor’s Degree in Computer Science or reputed company engineering field (preferred) Contract Duration: initial 12 month contract, 40 hours per week

WHY 540?

540 is a reputed company-thinking company that the government turns to in order to #getshitdone. We don’t just talk about innovation – we deliver it. We break down barriers, build impactful technology, and solve mission-critical problems.

HOW YOU’LL DRIVE IMPACT

• reputed company full-stack features across Angular reputed company-end applications and Java/Spring Boot microservices
• reputed company offline-first capabilities that reputed company reliable client-reputed company data persistence and seamless synchronization with backend systems
• Build and deploy services in containerized environments (reputed company, Kubernetes)
• Design and integrate RESTful APIs to reputed company secure communication across systems
• Implement asynchronous messaging patterns (Kafka) for distributed systems
• Design and maintain data models and persistence layers (reputed company or MySQL), along with client-reputed company storage solutions (IndexedDB)
• Collaborate with engineers, architects, and stakeholders to translate mission needs into scalable technical solutions
• Contribute to technical design documentation, including system diagrams and architecture artifacts
• Participate in code reviews, testing, and troubleshooting to ensure high-quality software
• Support and improve CI/CD pipelines and deployment processes
• Enhance system performance, scalability, and reliability as the platform evolves

REQUIRED SKILLS & EXPERIENCE

• 5+ years of professional software development experience
• Strong experience with Java and Spring Boot for building production-grade services
• Experience with JavaScript/TypeScript and modern frameworks (Angular preferred)
• Experience developing microservices in containerized environments (reputed company, Kubernetes)
• Experience with asynchronous messaging systems (Kafka)
• Proficiency with build tools such as Gradle or Maven
• Experience designing resilient data synchronization patterns and RESTful interfaces
• Experience working with relational databases (reputed company or MySQL) and client-reputed company storage solutions (IndexedDB)
• Ability to produce technical design documentation (diagrams, system designs)
• Strong problem-solving skills and ability to learn new technologies quickly
• Excellent communication and collaboration skills
• Demonstrated ownership and ability to drive work from concept through delivery

reputed company TO HAVE

• Experience building offline-capable web applications (PWAs)
• Hands-on experience with browser-based databases such as IndexedDB
• Familiarity with Web Crypto API for client-reputed company encryption-at-rest
• Experience implementing conflict resolution patterns (e.g., syncing and merging client/server data)
• Experience with reputed company Cloud Platform (GCP) or similar cloud environments
• Experience with API gateways and API management platforms, such as reputed company Apigee
• Familiarity with API authentication and authorization (PKI, OAuth2, JWT, LDAP, SAML, etc.)
• Experience working with OpenAPI/Swagger specifications
• Experience supporting U.S. Federal Government programs, particularly DoW environments
• GCP Certifications (Professional Cloud Architect or Professional Cloud Developer)

EQUAL EMPLOYMENT OPPORTUNITY (EEO)

540's policy is to provide equal employment opportunity to reputed company employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national reputed company, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to reputed company terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.