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Senior Specialist, Software Engineering - Back End Developer

Job in Colorado Springs, El Paso County, Colorado, 80901, USA
Listing for: L3Harris Technologies
Full Time position
Listed on 2026-09-26
Job specializations:
  • Software Development
    Backend Developer
Salary/Wage Range or Industry Benchmark: 97000 - 180000 USD Yearly USD 97000.00 180000.00 YEAR
Job Description & How to Apply Below

Senior Specialist, Software Engineering - Back End Developer

Join L3

Harris and the ATLAS team to build mission-critical backend capabilities that directly support the U.S. Space Force. In this role, you'll use Java, Spring Boot, and SQL to design and develop high-impact services for the Advanced Tracking & Launch Analysis System, helping operators make better decisions in a space mission environment. It's a chance to work on meaningful national security challenges, collaborate with strong technical teams, and see your software used in real-world operations.

If you're looking for work that combines modern backend development with purpose, scale, and mission impact, ATLAS is a compelling place to do it.

Essential Functions:

  • Expertise in backend development of web applications using Java, Spring Boot, and SQL; experience developing and maintaining scalable, reliable distributed services and APIs.
  • Support and participate in all phases of the software development life cycle, including design, implementation, integration, testing, deployment, and sustainment.
  • Develop, optimize, and troubleshoot backend services, database interactions, and system performance in a mission-critical environment.
  • Self-motivated and able to work independently or in a team environment.
  • Strong ability to collaborate with cross-functional teams, including front-end developers, systems engineers, testers, and mission stakeholders.
  • Must be able to obtain a U.S. Security clearance to maintain this position.
  • Excellent written and verbal communication skills.

Qualifications:

  • Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
  • Possess or ability to obtain Secret clearance

Preferred Additional

Skills:

  • Experience with containerization (Docker, OCI‑compliant systems).
  • Experience with Linux and Windows Server environments
  • Experienced professional with proficient knowledge of web development
  • Familiarity with GraphQL APIs or similar data‑querying patterns.
  • DoD 8570 compliant;
    CompTIA Security+ is a plus.
  • Background in space operations, SDA systems, or orbital M&S tools.

In compliance with pay transparency requirements, the salary range for this role in Colorado state is $97,000-$180,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3

Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

L3

Harris Technologies is proud to be an Equal Opportunity Employer. L3

Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws.

L3

Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Position Requirements
10+ Years work experience
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