L3Harris

Senior Specialist, Software Engineering (Full Stack)

L3Harris
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1 day ago
Colorado Springs, CO, USASenior
H1B sponsor

Base Salary

$97k - $180k/yr

Responsibilities

  • Lead technical design and implementation of full-stack software capabilities spanning backend services, APIs, and web user interfaces.
  • Build scalable service-oriented and microservices-based systems using Java, Python, TypeScript, and JavaScript.
  • 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, test, and deployment environments.
  • Provide technical guidance and mentorship to software engineers.
  • Coordinate technical dependencies with partner teams and contribute to delivery planning and execution.
  • Travel up to 15% to support program and customer requirements.

Requirements

  • Bachelor's degree and at least 6 years of relevant experience, or a graduate degree and at least 4 years of related experience, or at least 10 years of related experience in lieu of a degree.
  • Active Secret Security Clearance.
  • Production software development experience with Java, Python, TypeScript, and JavaScript.
  • Experience with full-stack application design, distributed-system integrations, service contracts, APIs, asynchronous messaging, or microservices.
  • Experience leading technical design, code reviews, automated testing, and software-delivery activities.
  • Preferred experience with C/C++, Rust, Go, GTK, Qt, Kubernetes, Apache Kafka, RabbitMQ, ZeroMQ, or NATS.
  • Preferred experience applying UI/UX principles, improving CI/CD workflows, and defining technical approaches for complex full-stack applications.

Benefits

  • Health and disability insurance, 401(k) match, flexible spending accounts, employee assistance program, education assistance, parental leave, paid time off, and company-paid holidays.
  • Colorado Springs, Colorado location with a 9/80 schedule totaling 80 hours over 9 of every 14 days and every other Friday off.
  • Salary range of $97,000-$180,000; specific benefits and options may vary by hire date, schedule type, and collective bargaining applicability.
  • Application window closes October 30, 2026.
L3Harris

About L3Harris

10,000+ employees

L3Harris Technologies designs and manufactures communications, sensors, avionics, and space systems for defense, intelligence, and commercial aerospace customers, primarily selling to the U.S. and allied governments. The public company (NYSE: LHX) is headquartered in Melbourne, Florida, and was formed in 2019 by the merger of L3 Technologies and Harris Corporation. Offerings range from tactical radios and electronic warfare to ISR payloads and mission software, plus integration and sustainment services.

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