Tech Lead – Full Stack, AI
Celara
contract
Posted on:
Location Type: Remote
Location: Remote • 🇦🇷 Argentina
Visit company websiteJob Level
Senior
Tech Stack
JavaScriptNode.jsReactSQLTypeScript
About the role
- Own the technical architecture — backend, frontend, infrastructure, and AI integration
- Write code daily — build the critical systems yourself
- Make stack and design decisions that will shape the product for years
- Set the standard for code quality, testing, and engineering discipline
- Integrate LLMs and AI workflows deeply into the platform
- Work directly with founders on product direction and technical roadmap
- Create clarity and structure in an environment that doesn't have perfect specs
- Mentor and guide the other developers technically
Requirements
- Strong TypeScript — you've built production systems with it
- Deep Node.js backend experience
- Solid React frontend experience
- SQL and database design — you know how to model data properly
- Experience with TypeORM, Zod, or similar tools
- Ability to reason about full-stack architecture
- Experience building with or integrating LLMs and AI systems
- Strong engineering fundamentals — clean code, maintainability, system design
- Experience at early-stage startups
- DevOps and infrastructure experience
- Background in conversational AI or workflow automation
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
TypeScriptNode.jsReactSQLdatabase designTypeORMZodfull-stack architectureclean codesystem design
Soft skills
mentoringguidanceclaritystructureengineering discipline