Python Fullstack Dev — Medical Care + Sports Card

DCG Poland; Warszawa; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Private medical care

Co-financing for the sports card

Constant support of dedicated consult

Job summary

DCG Poland is seeking a Python Fullstack Developer to design, develop and maintain full-stack applications with a strong Python backend focus. You will translate business requirements into technical solutions, build data integrations and REST APIs, and ensure data quality across systems.

Ideal candidates have 5+ years of experience, strong Python/Flask, Docker, PostgreSQL, SQLAlchemy, React, and CI/CD expertise, plus familiarity with LangChain and RAG and English communication skills.

Qualifications

• Minimum 5 years of professional software development experience.
• Advanced Python development and configuration.
• Advanced knowledge of Flask or similar Python frameworks.
• Advanced experience with REST APIs.
• Practical experience with LLMs at least at an intermediate level.
• Experience with Docker.
• Intermediate knowledge of PostgreSQL and SQLAlchemy.
• Familiarity with React, CSS and SCSS.
• Ability to write automated tests, preferably with pytest.
• Experience with CI/CD and deployment pipelines.
• Good knowledge of Git.
• Fluent English (written and spoken).
• Experience with LangChain and RAG.

Responsibilities

• Designing, developing and maintaining full stack applications with a strong Python backend focus.
• Translating business requirements, epics and user stories into technical solutions.
• Building data integrations and data transformation logic.
• Reading from and writing to various databases and APIs.
• Ensuring data completeness, quality and reconciliation between systems.
• Developing REST APIs and microservices.
• Working with LLM-based solutions and AI-supported data enrichment.
• Creating and maintaining CI/CD pipelines.
• Writing automated tests and ensuring high development standards.
• Collaborating with Product Owners, Solution Architects, Analysts and other stakeholders.
• Supporting the team in applying modern engineering practices and automation.

Skills

Python

Flask

REST APIs

PostgreSQL

SQLAlchemy

Docker

React

CSS/SCSS

pytest

CI/CD

Git

English

LangChain

RAG

Job description

DCG Poland is seeking a Python Fullstack Developer to design, develop and maintain full-stack applications with a strong Python backend focus. You will translate business requirements into technical solutions, build data integrations and REST APIs, and ensure data quality across systems.

Ideal candidates have 5+ years of experience, strong Python/Flask, Docker, PostgreSQL, SQLAlchemy, React, and CI/CD expertise, plus familiarity with LangChain and RAG and English communication skills.