Senior Product Engineer

About the role

Semaphore is a remote-first software company building CI/CD products for engineering teams. This senior product engineer role owns taking ideas from problem definition through design, implementation, rollout, and iteration, including experiments that may become standalone products.

What you'll do

• Own product ideas from problem definition to production rollout and iteration
• Work with users and stakeholders to identify real problems and decide what to build
• Build across backend services, APIs, infrastructure components, and frontend experiences
• Use AI coding agents effectively while maintaining high standards for correctness and security
• Ensure production outcomes with reliability, observability, and security compliance
• Communicate decisions, progress, and risks clearly

What they're looking for

• Track record of independently shipping meaningful software products or major capabilities
• Strong product and engineering judgment across system design, reliability, and maintainability
• Experience with backend and systems fundamentals and infrastructure concepts
• Ability to navigate a polyglot environment and work with Go, Elixir, Ruby, React, or related tech
• Fluency with AI-assisted development and ability to decompose work for agents
• Strong written and spoken English and experience working in a remote, asynchronous team

For applicants in Nigeria

• The listing states Remote location but does not specify Nigeria-specific hiring regions or eligibility beyond remote work; confirm interview feasibility if needed
• The listing does not state a timezone requirement; confirm before interviewing
• The listing does not specify contractor vs employee status; confirm during interview process
• The listing does not specify pay currency or range; confirm compensation details if relevant