We are seeking a highly skilled and experienced Lead Python Engineer with strong experience with GitLab CI/CD and knowledge of LLMs or AI APIs, for our Client, a provider of digital tools, including domains, shared hosting, e-commerce, server hosting, email, VPS and applications for over 2.5 million customers across EuropeThis project is part of the Client’s initiative to improve code coverage across repositories by automating the creation and validation of unit tests. The goal is to develop and integrate an AI-based unit test generation system powered by LLMs (Large Language Models), enabling internal teams to streamline testing processes and increase efficiency.As the Technical Team Lead, you will guide the development of this innovative system, working hands-on to deliver core features, reviewing code, troubleshooting pipelines, and ensuring consistent engineering practices. You will also play a key role in helping internal teams adopt the tool through demos, documentation, and onboarding sessions.This is a practical, delivery-oriented engineering position requiring strong Python skills, experience with GitLab CI/CD, and familiarity with AI/LLM technologies.ResponsibilitiesGuide the development of an AI-based unit test generation system and ensure the successful delivery of core featuresWork hands-on with Python to develop and integrate features into the systemExtend and improve the existing LLM-based unit test generator to enhance functionality and efficiencyReview code and ensure consistent engineering practices across the teamCollaborate with internal teams to prepare documentation, deliver demos, and conduct onboarding sessions to drive tool adoptionProvide hands-on technical leadership and mentorship to a small team of developers, ensuring alignment with project goalsTroubleshoot issues in pipelines, services, and integrations to maintain system reliabilityDevelop core features for the AI-based unit test generation system using PythonIntegrate the unit test generator with GitLab CI/CD pipelines using YAML configurationsEnhance and optimize the functionality of the LLM-based unit test generator, including forming requests for GPT-5 agentsPrepare documentation and deliver internal demos to showcase tool capabilitiesConduct onboarding sessions to help internal teams adopt the AI-driven toolCollaborate with stakeholders to align technical solutions with business goalsDrive the adoption of AI/ML workflows and reusable components across the organizationRequirementsStrong Python skills: Proven experience developing scalable and efficient applicationsExperience with GitLab CI/CD: Hands-on expertise with YAML configurations and pipeline managementKnowledge of LLMs or AI APIs: Familiarity with integrating AI technologies into software workflowsUnderstanding of unit testing frameworks: Experience with frameworks like Pytest and familiarity with unit test generation conceptsLeadership skills: Comfortable leading a small team in a hands-on, delivery-focused wayCommunication skills: Ability to explain complex technical concepts clearly to internal teamsExperience with data storage concepts: Familiarity with MySQL or object storage solutionsAbility to work within an existing codebase: Quickly understand and contribute to established systemsWe offerWe gather like-minded people:Engineering community of industry professionalsFriendly team and enjoyable working environmentFlexible schedule and opportunity to work remotely within PolandChance to work abroad for up to 60 days annuallyBusiness-driven relocation opportunitiesWe provide growth opportunities:Outstanding career roadmapLeadership development, career advising, soft skills, and well-being programsCertification (GCP, Azure, AWS)Unlimited access to LinkedIn Learning, Get Abstract, Cloud GuruEnglish classesWe cover it all:Stable income (Employment Contract or B2B)Participation in the Employee Stock Purchase PlanBenefits package (health insurance, multisport, shopping vouchers)Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and moreReferral bonusesCorporate, social and well-being eventsPlease, note:The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interviewWe will reach out to selected candidates exclusivelyEPAM 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.