Junior Fullstack Engineer — Backend + AI

Celaralabs; Buenos Aires; Presencial; ARS 1.000.000 - 1.800.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Mentorship program

Opportunity to ship production code

AI tooling culture

Descripción de la vacante

Celaralabs is hiring a motivated Junior Fullstack Engineer with a strong backend focus to join a team building AI-powered products. You will write DRF endpoints, work with a React frontend, and contribute to data models and AI pipelines.

You will gain experience with Django, PostgreSQL, Redis, Docker, and modern frontend tooling, while shipping production code from day one and growing alongside senior engineers.

Formación

• Solid Python fundamentals; write clean, tested code.
• Familiarity with web APIs and HTTP request/response cycles.
• Experience with relational databases and basic schema design.
• Ability to debug AI-generated code and integration point failures.
• Interest in AI/ML tooling and RAG pipelines.

Responsabilidades

• Build API endpoints with DRF serializers and viewsets for React frontend.
• Extend AI agent capabilities and context retrieval systems.
• Write async tasks and workers for document parsing and LLM inference pipelines.
• Improve test coverage with pytest and database fixtures; catch N+1 queries.
• Ship frontend features with React/TypeScript, TanStack Query, and SCSS Modules.
• Debug AI output to reduce hallucinations and retrieval failures.

Conocimientos

Python fundamentals

Web APIs

Git

SQL queries

AI/LLM usage

Debugging AI output

Curiosity about AI/ML

Herramientas

Django

Flask

Docker

LangChain

LangGraph

TanStack Query

PostgreSQL

Redis

Descripción del empleo

Celaralabs is hiring a motivated Junior Fullstack Engineer with a strong backend focus to join a team building AI-powered products. You will write DRF endpoints, work with a React frontend, and contribute to data models and AI pipelines.

You will gain experience with Django, PostgreSQL, Redis, Docker, and modern frontend tooling, while shipping production code from day one and growing alongside senior engineers.