Senior Full-Stack Engineer (Backend/Data Focus)

Senior Full-Stack Engineer (Backend/Data Focus)

SQUARE ONE RESOURCES sp. z o.o.

150 - 180 PLN / HOUR
Warszawa
Warszawa, Masovian
B2B
Python
PostgreSQL
FastAPI
React
Next.js
Docker
Kubernetes
CI/CD
SQLAlchemy
system architecture

Hexjobs Insights

Senior Full-Stack Engineer (Backend/Data Focus) role requiring 5+ years in software engineering. Responsibilities include system design, API development, and technical leadership. B2B contract in Warsaw, with hourly pay 150-180 PLN.

Słowa kluczowe

Python
PostgreSQL
FastAPI
React
Next.js
Docker
Kubernetes
CI/CD
SQLAlchemy
system architecture

Technologies we use

About the project

Your responsibilities

  • Own system architecture and backend design decisions
  • Design, implement, and maintain data models using PostgreSQL
  • Define and implement API layer using FastAPI
  • Ensure scalability, performance, and maintainability of services
  • Provide technical leadership and structure for the engineering team
  • Design service architecture and data flows
  • Contribute to frontend development using React / Next.js when required
  • Support CI/CD processes and containerized deployments (Docker, Kubernetes)
  • Identify technical risks and proactively address them
  • Operate with end-to-end ownership across backend and data layers

Our requirements

  • 5+ years of experience in software engineering (Senior level)
  • Strong expertise in Python
  • Advanced knowledge of PostgreSQL (schema design, performance tuning)
  • Experience designing scalable system architectures and service-based solutions
  • Practical experience with FastAPI and SQLAlchemy
  • Solid understanding of React and/or Next.js
  • Experience with Docker, Kubernetes, and CI/CD pipelines
  • Ability to work independently with minimal supervision
  • Experience working in evolving environments and shaping technical direction
  • Strong problem-solving skills and proactive risk management

Optional

  • Experience with graph-based or adaptive data models
  • Familiarity with LLM APIs and GenAI-driven systems 🤖
  • Experience using AI-assisted coding tools (e.g., Cursor, Copilot)
  • Exposure to modern data-driven or AI-powered platform architectures

This is how we organize our work

This is how we work

Wyświetlenia: 1
Opublikowana9 dni temu
Wygasaza 21 dni
Rodzaj umowyB2B
Źródło
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