Senior Product Engineer

About Perimeter

Perimeter builds for resilience in an era of accelerating biological risk. Our end-to-end biosecurity infrastructure platform spans detection, characterization, forecasting, and response, and is deployed across airports, hospitals, wastewater systems, and critical infrastructure worldwide. Perimeter's infrastructure maps the biological landscape, transforming biological data into biointelligence , enabling decisive response as soon as a threat emerges .

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About the Role

The Senior Product Engineer is a senior software engineer with a strong product mindset who wants the responsibility of progressing the product. You will turn customer needs into working software, use AI to multiply your impact, while bringing the engineering judgment to know when an agent is right and when it isn't . You will also raise the bar for the team by mentoring junior engineers and data scientists and by improving the agent tooling we all rely on.

Location: Boston (Seaport HQ), with openness to NYC and DC-based candidates.

Responsibilities

• Take ownership of moving the product forward, shaping what we build and delivering it end to end
• Partner with product, data science, and comp bio teams to gather requirements and turn them into functional designs
• Design and build reliable, scalable software across the stack that supports Perimeter's detection and response capabilities
• Leverage AI and coding agents to ship faster and have greater impact, while reviewing their output critically and pushing back when it falls short
• Coach and mentor junior engineers and data scientists, helping them build production-grade systems
• Contribute to our agent harnesses to make the whole team more effective

Minimum Requirements

• 7+ years of software engineering experience, including significant ownership of complex systems
• Strong full-stack development skills and a track record of shipping production software
• A product mindset: you care about the problem being solved and the customer outcome, not just the code
• A desire to take on responsibility and drive the direction of a product
• A genuine belief that AI can enable you to have more impact, and hands-on experience using AI coding tools and agents in your daily work