Ciklum is looking for a Senior Python Engineer to join our team full-time in Poland.We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.About the role:As a Senior Python Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Together, we will work on the project improving and automating the customer’s business processes, reducing time and efforts required for various operations. The project focuses on evaluating existing technology across the tax lifecycle and building new technologies to replace or modernize legacy functionalities.Responsibilities: Define and enforce best practices and coding standards across the project Conduct thorough code reviews to ensure adherence to established guidelines and maintain high code quality Work independently and in close collaboration with others in the team Communicate clear instructions to team members and help manage the flow of day-to-day operations Communicate with the client on a regular basis Design, develop, and maintain robust and scalable Python applications Write clean, maintainable, and efficient code following best practices and coding standards Optimize code for performance and scalability, ensuring efficient data handling Work closely with cross-functional teams to deliver high-quality software solutions Identify and resolve technical issues, ensuring the reliability and performance of applications Create and maintain comprehensive documentation for code, processes, and workflows Provide guidance and mentorship to less skilled developers, fostering a collaborative and productive team environment Requirements: 5+ years of experience in development Proficient in web development with strong hands-on experience using the FastAPI framework Production experience with Generative AI and LLMs to solve real-world problems and in developing agentic AI applications Familiarity with multi-agent patterns, approaches, and frameworks such as LangGraph, AutoGen, Crew AI, Google ADK Experience with Pydantic for data validation and schema definition in Python apps Skilled in async and parallel programming, with practical knowledge of asyncio Proficiency working with non-relational databases like MongoDB Strong analytical and problem-solving abilities with a detail-oriented mindset Practical approach to balancing standardized processes with flexibility to meet project goals effectively Excellent organizational skills with the ability to self-manage, prioritize tasks, structure workload, and meet deadlines Desirable: Experience working with Azure Cloud services, including SaaS offerings such as Service Bus, Data Lake, Blob Storage, Redis, and more Familiarity with agentic protocols such as MCP and A2A Hands-on experience with the LangGraph stack, including long-term memory, human-in-the-loop workflows, and state management Familiarity with .NET is considered a plus Hands-on experience with Docker and Kubernetes Solid understanding of microservices architecture and its implementation in scalable systems What`s in it for you? Strong community: Work alongside top professionals in a friendly, open-door environment Growth focus: Take on large-scale projects with a global impact and expand your expertise Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies Flexibility: Enjoy flexibility – full remote working possibilities Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations About us:At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions.Want to learn more about us? Follow us on Instagram, Facebook, LinkedIn.Explore, empower, engineer with Ciklum!Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.