April 8, 2026

Senior Python Developer

Senior • Remote

Warsaw, Poland

🚀 You will be responsible for:

  • Design architecture of GenAI applications,

  • Design, develop, and maintain Python code in AI applications and components,

  • Code review and identification of areas of improvments,

  • Collaborate with data scientists and machine learning engineers to utilize AI models in the applications,

  • Knowledge of basic types of solutions using GenAI models (RAGs, agentic workflows, etc.)

  • Collaborate with other roles (managers, testers, DevOps, etc.) through the whole life cycle of a project,

  • Develop and maintain APIs and microservices for AI integration with other systems,

  • Conduct experiments and evaluations to measure the performance of GenAI models,

  • Stay up-to-date with the latest advancements in GenAI technologies, Contribute to a collaborative and innovative team culture.

 

Additional advantages, but not required directly for the position:

  • Knowledge of another object-oriented programming language (Java/C#/C++)

  • Knowledge of Machine Learning algorithms and libraries (scikit-learn, PyTorch)

👉 What you will need:

  • At least 6 years of experience and fluency in Python development ecosystem,

  • Experience in building back-end services in Python with frameworks like FastAPI (or Flask), SQL and NoSQL databases,

  • Knowledge of clean code and design patterns in Python, strong attitude to build well structured, high quality solutions,

  • Experience in writing robust unit tests for developed applications,

  • Experience in using GenAI models in building business applications,

  • Familiarity with cloud platforms (AWS, GCP, Azure) and cloud-native technologies,

  • Familiarity with Continuous Deployment lifecycle,

  • Excellent problem-solving and analytical skills,

  • Ability to work independently and as part of a team,

  • Very good knowledge of English (C1) and Polish (C1)

  • Strong communication and documentation skills

👉 What we offer:

  • The opportunity to work on cutting-edge projects in the dynamic field of cloud and data technologies.

  • A supportive and collaborative work environment that fosters professional growth.

  • Competitive remuneration and various bonuses, such as access to private medical care (Medicover or Luxmed) and sport (Multisport) cards, reimbursement for English classes, access to the Employee Capital Plan (PPK) and budget for professional development.

  • We mostly work remotely, but we ask that you be willing to come to the office occasionally for workshops, client meetings or project-related discussions.

  • Non-work-related activities galore! We have a running team (with a pro coach), internal competitions, from cookery to photography, a ping-pong league, team building, well-being expert seminars. You can suggest beneficiaries for our CF4GOOD charity program

  • Company culture rooted in respect and cooperation, not competition. You'll be working with great people, open to new challenges and directions. If you are tired of the proverbial corporate treadmill, come to us to rest mentally. If you've had luck with employers, we'll do our best not to buck the trend.

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We always have new and exciting projects with opportunities to improve your skills in a wide spectrum of technologies. If you are an enthusiastic and ambitious Python Engineer, this job is for you! 02 Responsibilities Design, develop, and maintain scalable finance-focused backend solutions using Python Integrate external systems and third-party APIs Work closely with Product Managers and Tech Leads to define, size, and solve real-world telecom customer problems Write high-quality, well-tested code ensuring reliable daily deployments to production Participate in peer reviews, refinements, and continuous feedback loops across a multi-disciplinary team Maintain a developer-first quality culture: own unit, integration, and functional testing Be part of a weekly engineering goal-setting process (lean Kanban-style working) Apply AI tools throughout the entire development lifecycle: code generation, refactoring, automated review, test creation, debugging, and technical research Architect and design Python-based systems: API services, data pipelines, async workers, and AI-integrated backends — with AI assistance as a core part of the process Conduct thorough code reviews, uphold engineering best practices, and ensure high-quality, maintainable Python codebases across the team Contribute to technology selection, system design, and trade-off analysis across client projects Identify risks, bottlenecks, and security concerns proactively; propose and implement solutions Work directly with clients in English for requirements clarification, technical discussions, and progress updates Mentor junior and mid-level Python engineers through day-to-day guidance, pair sessions, and knowledge sharing Stay current with advancements in Python tooling, AI coding assistants, and LLM-integration patterns 03 Requirements Must have: 6+ years of professional Python development experience after graduation from university At least 0.5 years of commercial experience in AI tools on real projects – building/implementing agents/sub-agents, MCP integrations, skills crafting, or Spec driven integration into clients projects, or building SDLC with help of agents, or RAG chatbots Strong Python engineering skills (3.9+), large-scale applications (not just small web apps): async/await, dataclasses, Pydantic, NumPy, Pandas, etc Good understanding of integration patterns, API development (REST / GraphQL), and third-party system interoperability Solid experience in building automated tests: unit, integration, and E2E tests Readiness to start a new project as a solo engineer and drive communication with the client. In addition, manage extension of a new team if needed Experience with at least one major web/API framework: FastAPI, Django REST Framework, or Flask Proficiency with relational databases (PostgreSQL) and ORMs (SQLAlchemy, Django ORM) Solid understanding of software architecture patterns: clean architecture, domain-driven design, CQRS, event-driven systems Familiarity with CI/CD pipelines (GitLab CI, GitHub Actions) and containerization (Docker, Docker Compose) A demonstrable, personalized AI development workflow with custom skills, prompt templates, and project-level instructions — not just default out-of-the-box usage Hands-on experience with AI coding assistants: Claude Code, Cursor, GitHub Copilot, or similar Strong prompt engineering skills: ability to produce reliable, structured output and critically evaluate AI-generated code Critical mindset toward AI-generated output: knowing when to trust it, when to verify it, and when to rewrite it Passion for clean code, peer reviews, and high code quality standards Familiarity with scaling large systems — vertical scaling, single-tenant deployments Self-driven, comfortable with autonomy and open team cultures (trust > process) Experience working with or around AWS services (e.g., RDS, S3, Kubernetes, SQS, RabbitMQ) Readiness to work with Windows (WSL) Nice to have: Frontend experience (React) Familiarity with Celery, RabbitMQ, or Kafka for async task processing Contributions to open-source Python or AI projects Experience with RAG (Retrieval-Augmented Generation) pipelines and vector databases (Qdrant, Chroma, pgvector) Knowledge of LangGraph, AutoGen, or other agent orchestration frameworks Ability to create custom sub-agents and orchestrate multiple AI agents in parallel for concurrent task execution Experience integrating LLMs into Python applications via the Anthropic SDK, OpenAI SDK, or LangChain/LlamaIndex Exposure to ML/AI model lifecycle: fine-tuning, embedding generation, model evaluation 04 Tech Stack Language: Python 3.9+, JS (Typescript, React) nice to have Web / API: FastAPI, Django REST Framework, Flask, etc Databases: PostgreSQL, Redis, MongoDb, MySQL Task queues: Celery, RabbitMQ, Kafka AI/LLM: Anthropic Claude, OpenAI, LangChain, LlamaIndex, BMAD, SpecKit, OpenSpec Testing: pytest Infrastructure: Docker, GitLab CI/CD, AWS / GCP AI tooling: Claude Code, Cursor, GitHub Copilot Version control: Git (GitLab)

Technology

Godel Technologies Europe

Senior Python Engineer

Senior

Hybrid

Gdansk, Poland

14,000 - 20,000 PLN

🏢 Summary: Senior Python Engineer role focused on designing and delivering scalable, finance-oriented backend systems and AI-integrated solutions for telecom and enterprise clients. The position involves architecting APIs, data pipelines, and async services while leveraging AI tools throughout the SDLC. Engineers drive technical decisions, ensure high code quality, and collaborate directly with clients. 🗂️ Requirements: 6+ years professional Python development experience, Commercial experience with AI tools in real projects (agents, RAG, integrations), Strong Python 3.9+ knowledge including async/await and typing, Experience building large-scale backend applications, Experience with FastAPI, Django REST Framework, or Flask, Experience with REST or GraphQL API development, Experience integrating third-party systems and APIs, Experience with PostgreSQL and ORM tools, Knowledge of clean architecture, DDD, CQRS, event-driven systems, Experience writing unit, integration, and E2E tests, Experience with CI/CD pipelines, Experience with Docker and containerization, Hands-on experience with AI coding assistants, Strong prompt engineering skills, Experience with AWS services, Ability to work independently and communicate with clients in English 📃 Skills: Python, Django, FastAPI, Flask, REST, GraphQL, PostgreSQL, SQLAlchemy, DjangoORM, Redis, MongoDB, MySQL, Celery, RabbitMQ, Kafka, Docker, GitLabCI, GitHubActions, AWS, GCP, Pytest, NumPy, Pandas, Pydantic, Claude, OpenAI, LangChain, LlamaIndex, AnthropicSDK, OpenAISDK, Kubernetes, SQS, Git 🏢 Description: Description Godel is on the lookout for talented Senior Python Engineers to join one of our teams engaged in the development of business applications for major British companies. We always have new and exciting projects with opportunities to improve your skills in a wide spectrum of technologies. If you are an enthusiastic and ambitious Python Engineer, this job is for you! 02 Responsibilities Design, develop, and maintain scalable finance-focused backend solutions using Python Integrate external systems and third-party APIs Work closely with Product Managers and Tech Leads to define, size, and solve real-world telecom customer problems Write high-quality, well-tested code ensuring reliable daily deployments to production Participate in peer reviews, refinements, and continuous feedback loops across a multi-disciplinary team Maintain a developer-first quality culture: own unit, integration, and functional testing Be part of a weekly engineering goal-setting process (lean Kanban-style working) Apply AI tools throughout the entire development lifecycle: code generation, refactoring, automated review, test creation, debugging, and technical research Architect and design Python-based systems: API services, data pipelines, async workers, and AI-integrated backends — with AI assistance as a core part of the process Conduct thorough code reviews, uphold engineering best practices, and ensure high-quality, maintainable Python codebases across the team Contribute to technology selection, system design, and trade-off analysis across client projects Identify risks, bottlenecks, and security concerns proactively; propose and implement solutions Work directly with clients in English for requirements clarification, technical discussions, and progress updates Mentor junior and mid-level Python engineers through day-to-day guidance, pair sessions, and knowledge sharing Stay current with advancements in Python tooling, AI coding assistants, and LLM-integration patterns 03 Requirements Must have: 6+ years of professional Python development experience after graduation from university At least 0.5 years of commercial experience in AI tools on real projects – building/implementing agents/sub-agents, MCP integrations, skills crafting, or Spec driven integration into clients projects, or building SDLC with help of agents, or RAG chatbots Strong Python engineering skills (3.9+), large-scale applications (not just small web apps): async/await, dataclasses, Pydantic, NumPy, Pandas, etc Good understanding of integration patterns, API development (REST / GraphQL), and third-party system interoperability Solid experience in building automated tests: unit, integration, and E2E tests Readiness to start a new project as a solo engineer and drive communication with the client. In addition, manage extension of a new team if needed Experience with at least one major web/API framework: FastAPI, Django REST Framework, or Flask Proficiency with relational databases (PostgreSQL) and ORMs (SQLAlchemy, Django ORM) Solid understanding of software architecture patterns: clean architecture, domain-driven design, CQRS, event-driven systems Familiarity with CI/CD pipelines (GitLab CI, GitHub Actions) and containerization (Docker, Docker Compose) A demonstrable, personalized AI development workflow with custom skills, prompt templates, and project-level instructions — not just default out-of-the-box usage Hands-on experience with AI coding assistants: Claude Code, Cursor, GitHub Copilot, or similar Strong prompt engineering skills: ability to produce reliable, structured output and critically evaluate AI-generated code Critical mindset toward AI-generated output: knowing when to trust it, when to verify it, and when to rewrite it Passion for clean code, peer reviews, and high code quality standards Familiarity with scaling large systems — vertical scaling, single-tenant deployments Self-driven, comfortable with autonomy and open team cultures (trust > process) Experience working with or around AWS services (e.g., RDS, S3, Kubernetes, SQS, RabbitMQ) Readiness to work with Windows (WSL) Nice to have: Frontend experience (React) Familiarity with Celery, RabbitMQ, or Kafka for async task processing Contributions to open-source Python or AI projects Experience with RAG (Retrieval-Augmented Generation) pipelines and vector databases (Qdrant, Chroma, pgvector) Knowledge of LangGraph, AutoGen, or other agent orchestration frameworks Ability to create custom sub-agents and orchestrate multiple AI agents in parallel for concurrent task execution Experience integrating LLMs into Python applications via the Anthropic SDK, OpenAI SDK, or LangChain/LlamaIndex Exposure to ML/AI model lifecycle: fine-tuning, embedding generation, model evaluation 04 Tech Stack Language: Python 3.9+, JS (Typescript, React) nice to have Web / API: FastAPI, Django REST Framework, Flask, etc Databases: PostgreSQL, Redis, MongoDb, MySQL Task queues: Celery, RabbitMQ, Kafka AI/LLM: Anthropic Claude, OpenAI, LangChain, LlamaIndex, BMAD, SpecKit, OpenSpec Testing: pytest Infrastructure: Docker, GitLab CI/CD, AWS / GCP AI tooling: Claude Code, Cursor, GitHub Copilot Version control: Git (GitLab)

Technology

DCG

Tech Lead Python Developer with GenAI

Senior

Remote

Warsaw, Poland

170 - 200 PLN

🏢 Summary: The offer is for a Tech Lead Python Developer with GenAI expertise to design and implement modern, high-performance AI-driven applications and architectures. The role focuses on LLM-based solutions, agentic AI patterns, RAG systems, and scalable cloud deployments. It also includes technical leadership, documentation, deployments, and supporting junior developers. 🗂️ Requirements: Degree in Computer Science or related field, Minimum 2 years experience in similar role, Advanced Python experience (3+ years), Advanced SQL experience, Experience with AWS, Azure or GCP, Experience with SQL and NoSQL databases, Deep understanding of LLMs (transformers, embeddings, tokenization, APIs), Experience with prompt engineering and orchestration tools, Experience with agentic AI design patterns, Experience with RAG systems improvement or evaluation, Strong Python software engineering practices, Experience with code reviews, debugging, testing, version control, Experience with CI/CD pipelines, Experience with containerization and enterprise deployments, Knowledge of logging, monitoring and alerting systems, Understanding of data security, anonymization and masking, Ability to design scalable, resilient, secure systems, Experience with API design and microservices architectures, Knowledge of IAM, RBAC, secrets management and network security, Experience developing web applications and large-scale data systems 📃 Skills: Python, SQL, AWS, Azure, GCP, NoSQL, LLM, Transformers, Embeddings, Tokenization, LangChain, LangGraph, SemanticKernel, CrewAI, RAG, CI/CD, GitHub, AzureDevOps, Docker, Kubernetes, API, Microservices, Serverless, Containers, IAM, RBAC, VPC, Firewalls 🏢 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: Tech Lead Python Developer with GenAI Responsibilities: Design and implement modern applications Contribute to high-performance solution architecture Create clear, maintainable project documentation Participate in software deployments and collaborate with users to resolve issues Present solutions and their implementations to clients Approach solution creation creatively within the project cycle Support junior developers in the team Requirements: Degree in computer science or a related field Approximately 2 years of experience in similar roles Advanced Python and SQL experience (3+ years) Familiar with AWS, Azure, GCP cloud platforms Experience with SQL/NoSQL databases Deep understanding of LLMs: transformers, embeddings, tokenization, and API integrations Proficiency in prompt engineering and orchestration tools (e.g. LangChain, LangGraph, Semantic Kernel, Crew AI) Expertise in agentic AI design patterns Experience in improving and/or evaluating RAG systems Familiarity with emerging AI trends and standards Strong Python software engineering skills with coding standards and best practices Experience with code reviews, debugging, testing, and version control Familiar with CI/CD pipelines and automation tools (GitHub, Azure DevOps, Docker, Kubernetes) Experience containerizing AI solutions and deploying across enterprise environments Ability to integrate logging, monitoring, and alerting systems Strong understanding of security of data applications, experience with anonymization and data masking Strong problem solving using systems thinking and first principles Ability to design scalable, resilient, and secure end-to-end systems Expertise in API design, event-driven architectures, microservices, serverless, and containers Familiarity with enterprise integration patterns (messaging, publish, event sourcing) Knowledge of IAM, RBAC, secrets management, and network security (VPCs, firewalls) Experience in developing web applications and systems processing large data sets Offer: Private medical care Co-financing for the sports card Training & learning opportunities Constant support of dedicated consultant Employee referral program