Senior Frontend Engineer

Job not on LinkedIn

🕒 June 9

🇪🇸 Spain – Remote

💵 €70k - €150k / year

⏰ Full Time

🟠 Senior

💻 Frontend Engineer / Web Developer

👻 Ghost score 38%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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StackAI

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2023

🏥 Healthcare

⚖️ Legal

📦 Logistics

Healthcare • Legal • Logistics

StackAI is an enterprise-focused, no-code AI platform that enables teams to build, deploy, and manage AI agents and automated workflows. The platform provides document intelligence (OCR and data extraction), retrieval-augmented knowledge bases, integrations with enterprise systems, and tools to generate polished documents and automate back-office tasks across finance, risk, operations, HR, sales, and IT. StackAI emphasizes security and compliance (SOC 2, HIPAA, GDPR), on-premise options, and model interoperability for production-ready AI deployments.

📋 Description

• 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

🎯 Requirements

• 5+ years with React, TypeScript, Next.js, and modern frontend stack • Exceptional code quality: Clean, maintainable, trustworthy code that requires minimal review • Strong execution: You ship fast and ship well • 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 • Experience with Tailwind CSS (Nice-to-have) • Understanding of UI fundamentals (but design skills are NOT required) (Nice-to-have) • Experience cleaning up and optimizing existing codebases (Nice-to-have) • Comfort working across the stack when needed (Nice-to-have)

🏖️ Benefits

• Offers Bonus