April 11, 2026

Python Developer

Senior • Hybrid

22,680 - 25,200 PLN

Warsaw, Poland

This is the job

Within the Telco industry in Warsaw, we are actively seeking a professional to strengthen our team dedicated to Artificial Intelligence Systems Department


This is you

  • Proficiency in Python, including its use for developing software in an object‑oriented approach

  • Creating tests using pytest/unittest frameworks

  • Ability to containerize applications, create Dockerfiles, and work with Docker

  • Comfortable working in Unix/Linux and Windows environments

  • Ability to use UML notation and create documentation for developed software

  • Confident use of Git

  • Polish - Native

EXPERIENCE:

  • Minimum 5 years of experience in production projects as a Backend Developer

  • Participation in at least 3 projects involving backend development using Python

Practical experience with at least five of the following:

  • Working with message‑queue systems such as RabbitMQ / PubSub

  • Working with document‑oriented databases such as MongoDB (data definition/usage)

  • Using processes/threads/asyncio

  • FastAPI framework

  • Knowledge of deep learning tools such as PyTorch / TensorFlow / Transformers

  • Knowledge of specialized NLP tools such as spaCy / Stanza

  • Building/training ML models in the NLP domain

  • Knowledge of LangChain / LlamaIndex for building LLM‑based applications

  • Ability to work in Google Cloud

  • Knowledge of orchestration tools, e.g., Apache Airflow

SOFT SKILLS:

  • Strong communication skills, including the ability to discuss technical aspects with individuals with limited technical background, enabling effective analysis of business processes or user requirements and proposing solutions

  • Ability to take responsibility for the full lifecycle of the developed component

  • Proactive approach to problem‑solving

This is your role

  • Development and maintenance of the backend in Python (OOP, FastAPI)

  • Creating automated tests (pytest / unittest)

  • Application containerization (Docker, Dockerfile)

  • Working in Unix/Linux and Windows environments

  • Designing and updating technical documentation (UML)

  • Working with Git (branching, code review)

  • Integrating with message‑queue systems (RabbitMQ / PubSub)

  • Working with document‑oriented databases (MongoDB)

  • Implementing solutions based on processes, threads, or asyncio

  • Collaborating on building ML/NLP models (PyTorch / TensorFlow / Transformers, spaCy / Stanza)

  • Building LLM‑based applications (LangChain / LlamaIndex)

  • Working in the Google Cloud environment

  • Creating and maintaining data pipelines (Apache Airflow)

  • Participating in requirements analysis and solution design

  • Taking responsibility for the quality and stability of backend components

  • Collaborating with the team and communicating with non‑technical stakeholders

What awaits you at Avenga?

  • Private medical care

  • Cafeteria benefits program

  • Private isurance

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Remote

Poznan, Poland

🏢 Summary: Lead Python Software Engineer role focused on building scalable back-end services and APIs while integrating AI frameworks into production-ready systems. The position involves developing AI-driven workflows, supporting cloud deployments on Azure and ensuring high performance, reliability and code quality. You will collaborate cross-functionally to deliver robust, maintainable applications leveraging modern DevOps practices. 🗂️ Requirements: 5+ years of back-end development experience, Strong expertise in Python, Strong expertise in FastAPI, Hands-on experience with LangChain and/or LangGraph, Experience integrating AI frameworks into back-end services, Experience building modular, scalable, production-ready solutions, Strong debugging and performance optimization skills, Experience collaborating with React and TypeScript teams, Knowledge of Azure, Experience with Terraform, Experience with GitHub Actions and CI/CD workflows, Upper-Intermediate English (B2) 📃 Skills: Python, FastAPI, LangChain, LangGraph, Azure, Terraform, GitHubActions, CICD, React, TypeScript, GenerativeAI, PromptEngineering, DevOps 🏢 Description: We are seeking a Lead Python Software Engineer to design and develop robust back-end solutions that integrate cutting-edge AI frameworks into production-ready services. In this role, you will collaborate across teams to build scalable APIs, contribute to AI-driven workflows and help deliver reliable, high-performance applications. Responsibilities Design and develop back-end services and APIs using Python and FastAPI Integrate AI frameworks such as LangChain and LangGraph into back-end systems Build modular, production-ready solutions that are scalable and maintainable Contribute to AI-driven workflows and tools leveraging Generative AI and Prompt Engineering Collaborate with front-end engineers working with React.js and TypeScript Support production-ready deployments on Azure using Terraform Implement and maintain CI/CD pipelines with GitHub Actions Debug and optimize applications for reliability and performance Ensure code quality through best practices and thorough testing Requirements 5+ years of experience in back-end development with strong expertise in Python and FastAPI Hands-on experience with LangChain and/or LangGraph Deep understanding of how to integrate AI frameworks into back-end services Proficiency in building modular, scalable and maintainable production-ready solutions Strong debugging and optimization skills with a focus on reliability and performance Familiarity with front-end collaboration using React.js and TypeScript Knowledge of infrastructure tools such as Azure and Terraform Competency in CI/CD workflows using GitHub Actions Upper-Intermediate English language proficiency (B2) Nice to have Practical knowledge of Generative AI and Prompt Engineering Track record of working on AI-driven workflows or tools Background in DevOps integration for production-ready deployments We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

Technology

EPAM Systems

Lead Python Software Engineer

Senior

Remote

Wroclaw, DS, Poland

🏢 Summary: Lead Python Software Engineer role focused on designing and developing scalable back-end services and APIs with Python and FastAPI, integrating advanced AI frameworks into production systems. The position involves building AI-driven workflows, supporting cloud deployments on Azure, and implementing CI/CD pipelines. You will collaborate across teams to deliver reliable, high-performance, production-ready applications. 🗂️ Requirements: 5+ years back-end development experience, Strong expertise in Python, Strong expertise in FastAPI, Hands-on experience with LangChain and/or LangGraph, Experience integrating AI frameworks into back-end services, Experience building scalable, modular, production-ready solutions, Strong debugging and performance optimization skills, Knowledge of Azure, Experience with Terraform, Experience with CI/CD using GitHub Actions, Upper-Intermediate English (B2) 📃 Skills: Python, FastAPI, LangChain, LangGraph, GenerativeAI, PromptEngineering, React, TypeScript, Azure, Terraform, GitHubActions, CI/CD 🏢 Description: We are seeking a Lead Python Software Engineer to design and develop robust back-end solutions that integrate cutting-edge AI frameworks into production-ready services. In this role, you will collaborate across teams to build scalable APIs, contribute to AI-driven workflows and help deliver reliable, high-performance applications. Responsibilities Design and develop back-end services and APIs using Python and FastAPI Integrate AI frameworks such as LangChain and LangGraph into back-end systems Build modular, production-ready solutions that are scalable and maintainable Contribute to AI-driven workflows and tools leveraging Generative AI and Prompt Engineering Collaborate with front-end engineers working with React.js and TypeScript Support production-ready deployments on Azure using Terraform Implement and maintain CI/CD pipelines with GitHub Actions Debug and optimize applications for reliability and performance Ensure code quality through best practices and thorough testing Requirements 5+ years of experience in back-end development with strong expertise in Python and FastAPI Hands-on experience with LangChain and/or LangGraph Deep understanding of how to integrate AI frameworks into back-end services Proficiency in building modular, scalable and maintainable production-ready solutions Strong debugging and optimization skills with a focus on reliability and performance Familiarity with front-end collaboration using React.js and TypeScript Knowledge of infrastructure tools such as Azure and Terraform Competency in CI/CD workflows using GitHub Actions Upper-Intermediate English language proficiency (B2) Nice to have Practical knowledge of Generative AI and Prompt Engineering Track record of working on AI-driven workflows or tools Background in DevOps integration for production-ready deployments We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.