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ActiveSeen 1mo ago

Senior Software Engineer - Open Source

Defense Unicorns·📍 United States

Employment

Full-Time

Work mode

Remote

Experience

SENIOR LEVEL

Salary

$148.8K – $201.3K/yr

Role overview

Job description

Role Description: Defense Unicorns seeks an experienced Software Engineer to help build, maintain, and steward our open source products and the broader ecosystems they depend on. You’ll collaborate closely with product managers, designers, engineers, community contributors, and end users to ensure we’re building the right solutions—and building them well. As an Open Source Software Engineer, you’ll operate at the intersection of community stewardship, product development, and technical execution. You’ll help lead the design, implementation, and maintenance of cloud native software that has direct impact on mission outcomes. You bring strong Golang experience, a love for cloud native technologies and a willingness to learn TypeScript to support our broader OSS ecosystem. Over time, you may also contribute across additional languages and communities, including Rust, as our open source wor

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About this listing

  • Listed from Defense Unicorns's careers site via Greenhouse · last confirmed on the source 23 Oct 2026
  • First seen by Jobiba 18 Sept 2026

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Role market pulse

How Senior Software Engineer demand looks in United States

60/100 · steady

Live jobs

555

Posted 30d

180

30d movement

-10.4%

Remote share

27.7%

Salary listed

80%

Salary trend 1Y

Not enough history

What they are looking for

Skills & requirements

Qualification

5+ years experience with software engineering Experience building or maintaining open source software tools, especially in cloud native, software lifecycle, or software supply chain domains Proficient in Go, with interest in learning TypeScript, and contributing across additional modern languages such as Rust Strong understanding of system design, library and software APIs, Kubernetes, and cloud architecture (e.g., AWS, Azure) Excited to assess intricate problems, propose solutions, and implement them effectively Experience contributing to open source projects and participating in open source communities. Involvement with the Cloud Native Computing Foundation (CNCF), Apache Software Foundation (ASF), Open Source Security Foundation (OpenSSF), or similar communities is a huge plus Familiar with core Kubernetes concepts, including but not limited to controllers, operators, and CRDs Strong communication and collaboration skills, comfortable conveying technical concepts to both technical and non-technical audiences Full compensation packages are based on candidate experience. Compensation ranges are established using national benchmarking data and apply across all geographic locations

Department · Research & Development

Hiring company

Defense Unicorns

Technology

Together, we can make the world more free and secure through the power of open source software. If you don't see a current opening that matches your interests please check back in the future. We are routinely reviewing our resource plans and hiring needs.

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San Francisco, California, United States· Full-time· Remote
Top 10% pay

$190K – $400K/yr

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