Software Engineering Specialist (Full Stack)

Requirements:

• Bachelors degree with at least 4 years of relevant experience, or a graduate degree with at least 2 years of related experience; alternatively, at least 8 years of related experience without a degree
• Active Secret security clearance
• Preferred: Experience with C/C++, Rust, or Go, and production software development using Java, Python, TypeScript, and JavaScript
• Preferred: Experience designing and integrating service-oriented architectures, asynchronous messaging patterns, microservices, APIs, service contracts, and distributed-system integrations
• Preferred: Experience leading technical design, code reviews, automated testing, and software delivery, and improving continuous integration and continuous delivery workflows
• Preferred: Experience building native graphical user interfaces with GTK or Qt and applying user interface and user experience design principles
• Preferred: Experience defining technical approaches for complex full-stack applications, supporting containerized applications in Kubernetes, or working with event-streaming and message-bus technologies such as Apache Kafka, RabbitMQ, ZeroMQ, or NATS

Responsibilities:

• Lead the technical design and implementation of full-stack capabilities, including backend services, APIs, and web interfaces
• Develop scalable software with Java, Python, TypeScript, and JavaScript for service-oriented and microservices-based systems
• Define secure integration patterns, service contracts, and data exchanges across distributed systems
• Guide code reviews, software testing, technical documentation, and secure-development practices
• Resolve complex software and integration issues across development, testing, and deployment environments
• Provide technical guidance and mentorship to software engineers and support sound engineering decisions
• Coordinate technical dependencies with partner teams and contribute to delivery planning and execution
• Travel as needed, up to 15%, to support program and customer requirements

Technologies:

• Backend
• Support
• Java
• JavaScript
• Kafka
• Kubernetes
• Python
• Qt
• RabbitMQ
• Rust
• Security
• TypeScript
• Web
• microservices
• NATS
• Fullstack

More

We are L3Harris Technologies, and our MOSSAIC Agile Portfolio Engineering program supports space domain awareness customers through optical and radar sensors and associated command-and-control capabilities. We are seeking a senior specialist full-stack software engineer for our Special Projects team. The salary range for this Colorado-based role is $97,000–$180,000; the final offer may vary based on factors such as experience and geographic location. We offer benefits that may include health and disability insurance, a 401(k) match, flexible spending accounts, an employee assistance program, education assistance, parental leave, paid time off, and company-paid holidays; available options may depend on hire date, schedule, and applicable collective bargaining agreements. The application window closes October 30, 2026. We are an equal opportunity employer and maintain a drug-free workplace; where permitted by law, pre-employment substance testing and background checks may apply. Some positions require eligibility for a security clearance, which may be granted only to U.S. citizens. We may share applicants materials with our subsidiaries and affiliates for consideration for other positions, and we participate in E-Verify.

last updated 43 week of 2026