Senior Software Engineer, Product

Arena

. Own features from technical scoping through deployment and post-launch iteration — not just build them, but make sure they work .

Posted 4/21/2026full-timeBay Area • California • 🇺🇸 United StatesSeniorWebsite

About the role

Key responsibilities & impact

Own features from technical scoping through deployment and post-launch iteration — not just build them, but make sure they work
Design and extend schemas, APIs, and business logic to support new product capabilities
Ship high-quality product code across the stack
Incorporate real user feedback — from data, direct user contact, or your own product instincts — to improve what you've shipped
Work closely with ML researchers to turn research services to production, making them consumable for product development
Collaborate across design, product, and engineering to figure out what to build, not just how
Identify and advocate for improvements to development, testing, and deployment practices

Requirements

What you’ll need

4+ years of experience in software engineering, with a focus on product development
Experience building user-facing web applications spanning frontend, backend/API, and database — in any stack. You understand the request lifecycle across layers
Clear, concise communication — you explain technical decisions well, distinguish your work from the team's, and proactively share context
Evidence of shipping and iterating — you can describe the full arc of a feature you owned: problem, solution, code, what happened after launch, and what you'd change now
A product engineering identity — you care about whether the thing you built actually worked for users, not just whether the code was clean
Genuine curiosity about AI evaluation and Arena's mission — you've looked at the product and can articulate why this domain matters to you

Benefits

Comp & perks

Comprehensive health and wellness benefits, including medical, dental, vision, and additional support programs.
The opportunity to work on cutting-edge AI with a small, mission-driven team
A culture that values transparency, trust, and community impact

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

software engineeringproduct developmentweb applicationsfrontend developmentbackend developmentAPI developmentdatabase managementschema designbusiness logicuser feedback incorporation

Soft Skills

clear communicationconcise communicationproactive sharingcollaborationadvocacy for improvementscuriosityproblem-solvingiterationuser-centric mindsettechnical decision explanation