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# Software Engineer - Full Stack

- **Company:** Arena Intelligence, Inc.
- **Location:** United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Business Logic, Databases, PostgreSQL, Next.js, Software Engineering, Web Applications, Tailwind, ReactJS, Backend, Front End Software Development, JestJS
- **Published:** September 19, 2026
- **Apply:** https://startup.jobs/software-engineer-full-stack-arena-intelligence-inc-10107378

## About the Role

* 3+ years of experience in software engineering, with a focus on enterprise or developer facing 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, * Familiarity with our stack: NextJS, React, TypeScript, Tailwind, ShadCN, HonoJS, Postgres, Vitest
 * Experience with Supabase or Vercel's AI SDK
 * You've shipped without PM or design support - determined what to build by talking to users or looking at data

## Description

We're looking for a Full Stack Software Engineer to own features end-to-end across Arena's platform - from understanding the problem, through designing and building the solution, to shipping it, measuring its impact, and iterating. This is a hands-on IC role for someone who writes code every day, cares deeply about what happens after launch, and is excited to shape how people interact with cutting-edge AI., * 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


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