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Fullstack Engineer JR (Backend + AI) (NW - FS - 20260609)

External
celaralabs logoCelaralabs · Buenos Aires, Argentina
ContractHybrid1w ago
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Requirements

  • Solid Python fundamentals - classes, tracebacks, data structures, without over-relying on AI autocomplete.
  • Familiarity with web APIs: HTTP methods, JSON serialization, request/response cycles.
  • Comfort with Git: branching, rebasing, resolving merge conflicts.
  • Experience with at least one relational database: SQL queries and basic schema design.
  • Comfortable working with AI-based tools like Cursor, Claude Code, etc.
  • Genuine curiosity about AI/ML - LLM API usage, a RAG pipeline, or serious experimentation beyond chatting with ChatGPT.
  • Ability to debug AI-generated code - shipping broken AI output is worse than writing it yourself.
  • Nice to Have
  • Django or Flask experience.
  • React/TypeScript exposure, even from a personal project.
  • Familiarity with Docker and containerized development.
  • Experience with vector databases, embeddings, or LLM orchestration (LangChain, LangGraph, etc.).
  • A deployed project you can demo - valued more than GPA.
  • Backend: Python 3.13, Django 5.2, Django REST Framework, PostgreSQL, Redis.
  • AI/ML: OpenAI, Anthropic & Google LLM APIs; LangChain + LangGraph; sentence-transformers; RAGAS.

Additional Information

Role Overview We are looking for a motivated Junior Fullstack Engineer with a strong backend focus who is eager to build great products and grow alongside a team that embraces cutting-edge technology. You write clean, thoughtful code, care about building reliable systems, and are genuinely curious about how AI development tools (like Cursor or Claude) can make you a faster, better developer from day one.


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