Company Description Communities.
Tech is a Texas and Argentina based stealth startup focused on developing innovative vertical platforms for the construction workforce industry. By leveraging sound business logic and cutting-edge technology, we create solutions that address the diverse needs of these communities. We are looking for someone who wants to:
• be apart of a small team (less than 15)
• has initiative and loves taking part in the decision-making process, working hand in hand with the product team as they help bringing a feature to life
• uses AI but knows the limitations What You’ll Do
• Build and ship features across the stack using React/Next.js (TypeScript) and Node.js/Express
• Design and implement REST APIs, integrations, and realtime features
• Work with PostgreSQL for data modeling and query performance
• Build/maintain background jobs and workflows using Redis + BullMQ
• Support search/indexing use cases with Elasticsearch
• Write tests, participate in code review, and improve reliability/performance across the platform
• Collaborate closely with Product/Design to turn requirements into scalable solutions Tech Stack Frontend: React, TypeScript, Next.js, Sanity, MUI, PrimeReact/PrimeFlex, Playwright, Backend: Node.js, TypeScript, Express, PostgreSQL, Redis, BullMQ, Elasticsearch. Socket.
IO What We’re Looking For
• 4+ years building production web applications




• Someone who uses Claude Code, Codex, OhMyPi, etc but knows limitations
• Strong front end experience with React and TypeScript
• Strong Backend experience with Node.js/Express
• Solid understanding of relational data concepts (PostgreSQL) Nice to Have
• Next.js performance/SSR/App Router experience
• Elasticsearch, queues/background jobs, Stripe or S3 integrations
• Experience with design systems and component libraries (MUI / PrimeReact)

What We Offer
• 10 days of PTO plus major US Holidays
• Team Account for Claude or AI tool of your choice
• Team account for learning and willing to pay for certifications or additional learning
• Weekly English lessons

Location:
Remote (LATAM) Bonus: Apply via API Want to stand out? You can submit your application via our API after you submit your linkedIn application. Endpoint: https://careers.communities.tech/api/careers Method: POST Rate Limit: 1 request per hour Content Type: multipart/form-data Required Fields:
* resume (PDF file)
* full_name (text)
* email (text)
* message (text) (free form plus what are your favorite programming books or instructors) Successful Response: { "result": { "queued": true } } Only PDF resumes are supported. Only POST requests are supported. Invalid requests will return an error response.

📌 Senior Full Stack Engineer (Argentina)
🏢 Communities.Tech
📍 Argentina