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StackAI

StackAI - Senior Frontend Engineer

Salamanca, Madrid, Spain€70k - €150k6mo ago
In OfficeSeniorEMEAArtificial IntelligenceFrontend EngineerSenior Frontend DeveloperReactNext.jsTypeScriptDecision MakingTailwind

Requirements

• Exceptional code quality: Clean, maintainable, trustworthy code that requires minimal review • Strong execution: You ship fast and ship well • Senior-level experience: 5+ years with React, TypeScript, Next.js, and modern frontend stack • Accountability: You own your decisions and respond when needed • Autonomy: You can own features end-to-end without hand-holding • Pragmatism: You are willing to engage with detail-oriented and iterative work that is essential to the product's success • Technical excellence: Someone who can teach us, not someone we have to teach • Understanding of UI fundamentals (but design skills are NOT required) • Experience cleaning up and optimizing existing codebases • Comfort working across the stack when needed • React, Next.js, TypeScript, Tailwind CSS, TanstackQuery • High bar: We only hire people who wow us technically—someone better than us • Trust: We've learned that even "boring tasks" require exceptional engineers, because poor execution takes more time to review than to do right the first time • Execution over excitement: You're motivated by doing excellent work, not just working on the newest, shiniest features • Why This Role Matters • The Product Design pod has ambitious plans in the roadmap, and we need a frontend engineer who can execute flawlessly to keep pace. You'll be critical to ensuring our product quality and velocity. • This role description captures the team's emphasis on exceptional technical quality, execution, and pragmatism over design skills or working on only the most exciting features.

Responsibilities

• Optimize and refine existing frontend code and features • Implement incremental UX/UI improvements from detailed design specs (no design skills required) • Work autonomously with minimal code review needed—your code should be clean enough that our other Front Enders can trust it blindfolded • Collaborate with Product Designers, Design Engineers, and Front End Engineers on execution • Focus on high-impact improvements that elevate our product quality and user experience • Clean up and improve legacy code

Benefits

• Europe€70K – €150K • Offers Bonus • Stack AI is democratizing access to Large Language Models through a user-friendly no-code platform integrating the best AI models (OpenAI, Anthropic, Google), data sources (OneDrive, Google Drive, Notion), and SaaS tools. We're backed by Y Combinator and Gradient Ventures, with thousands of users and hundreds of paying customers including public companies and unicorns.

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