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Software Engineer

Haystack
Denver, Colorado, United StatesFull-time$87,100–$157,450Posted Sep 14, 2026

About the role

We're hiring on behalf of a Haystack partner!

The Role

  • Design and implement containerized environments for Java and C++ applications.
  • Develop mission-critical software supporting missile defense systems.
  • Communicate and document technical solutions for integrated engineering teams.
  • Stay updated on state-of-the-art programming techniques and technologies.
  • Conduct software design and code reviews to ensure product quality.
  • Collaborate with System Engineering teams to synchronize, schedule, and demonstrate capabilities.

What You'll Need

  • Bachelor’s degree in Software development or related discipline with 4+ years of relevant experience.
  • US Citizen; Currently possess an active DoD Secret security clearance.
  • Expertise in C++ and Java programming.
  • Experience in developing micro-services and containerized environments.
  • Strong ability to work independently and collaboratively within engineering teams.
  • Familiarity with Agile software development processes.

What's On Offer

  • Competitive annual salary ($87,100 - $157,450) plus bonus potential.
  • Opportunity to work on mission-critical defense systems.
  • Collaborative and fast-paced engineering environment.
  • Professional development and continuous learning opportunities.

Apply via Haystack today!

Responsibilities

  • Design and implement containerized environments for Java and C++ applications
  • Develop mission-critical software supporting missile defense systems
  • Communicate and document technical solutions for integrated engineering teams
  • Stay updated on state-of-the-art programming techniques and technologies
  • Conduct software design and code reviews to ensure product quality
  • Collaborate with System Engineering teams to synchronize, schedule, and demonstrate capabilities

Qualifications

  • Bachelor’s degree in Software development or related discipline
  • 4+ years of relevant experience
  • US Citizen with active DoD Secret security clearance
  • Expertise in C++ and Java programming
  • Experience in developing micro-services and containerized environments
  • Strong ability to work independently and collaboratively within engineering teams
  • Familiarity with Agile software development processes

Benefits

  • Competitive annual salary plus bonus potential
  • Opportunity to work on mission-critical defense systems
  • Collaborative and fast-paced engineering environment
  • Professional development and continuous learning opportunities

Skills mentioned

C++JavaSystem DesignMicroservicesContainerizationDockerSoftware TestingDebuggingDevOpsLinux

About Haystack

Haystack combines AI & expert vetting to deliver world-class tech candidates who are engaged, aligned, and ready to interview. We're trusted by over 400,000+ tech candidates, working in Software Engineering, Data, Design, DevOps, Cloud, Tech Management, Testing, Product & Delivery, Architecture and more. 100s of employers from startups and scale-ups like Atom Bank, DuckDuckGo and Goodlord to established enterprises like American Express, Dunelm and AWS use Haystack to connect with qualified tech talent that they can't find anywhere else.

Technology51-200 employeesNewcastle upon Tyne, England