Senior Fullstack / Backend Developer (Python)

Avenga • IT Consulting & Digital Transformation • IT Outsourcing & Dedicated Teams • Python • JavaScript • TypeScript • 1 day ago
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Salary
≈ $62k – $101k per year (Estimated)
Location
Remote (likely Poland)
Seniority
Senior
Employment
Contractor

First seen by Alion on Oct 22, 2026. Avenga scores B on the Alion truth index.

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Avenga

Avenga is a global IT engineering and technology consultancy specializing in custom software development and enterprise digital transformation. Headquartered in Prague, Czech Republic, the company operates across key service areas including custom software engineering, AI and data solutions, cloud platform engineering, managed IT operations, and experience design (CX/UX).
avenga.com • HQ: Prague, Czech Republic • IT Outsourcing & Dedicated Teams • Custom Software Development • IT Consulting & Digital Transformation • 5000+ employees • Est. 2019
Tech stack of Avenga

We are looking for a Senior Fullstack / Backend Developer with experience in building and maintaining Python applications. The ideal candidate has strong knowledge of FastAPI, SQLAlchemy, and Pydantic, as well as experience working with REST APIs and databases.

Requirements:

  • Strong Python backend development skills

  • Very good knowledge of FastAPI, SQLAlchemy, and Pydantic

  • Experience with REST API development and integration

  • Good understanding of databases and data management

  • Experience with PostgreSQL

  • Experience with Snowflake

Responsibilities:

  • Develop, maintain, and enhance backend applications using Python and FastAPI.

  • Design and integrate REST APIs.

  • Work with databases, including PostgreSQL and Snowflake.

  • Build and maintain data models and database interactions using SQLAlchemy and Pydantic.

  • Collaborate with frontend developers and other team members to deliver reliable, scalable solutions.

  • Contribute to frontend development using Angular, where applicable.

Tech stack

  • Python
  • SQLAlchemy
  • Pydantic
  • REST API
  • fastapi
  • PostgreSQL
  • Snowflake
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