Python Fullstack Developer

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

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:

Python Fullstack Developer

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

Requirements:

• Minimum 5 years of professional experience in software development
• Advanced experience in 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
• Familiarity with CSS and SCSS
• Ability to write automated tests, preferably with pytest
• Experience with CI/CD and creating deployment pipelines
• Good knowledge of Git
• Strong engineering mindset and focus on high-quality software delivery
• Ability to work effectively in a multicultural, collaborative environment
• Good stakeholder engagement and communication skills
• Fluency in English (both written and spoken)
• Experience with LangChain and RAG

Nice to have:

• Experience with AI tooling
• Familiarity with TypeScript
• Familiarity with web components
• Familiarity with Redux or Zustand
• Experience with SharePoint API
• Experience with Artifactory / JFrog
• Experience with Kubernetes
• Experience with cloud services, especially AWS

Offer:

• Private medical care
• Co-financing for the sports card
• Constant support of dedicated consultant