Senior Data Engineer - Generative AI & GCP

WHO ARE WE? WE ARE A WORLD LEADER IN ENGINEERING AND IT SERVICES. At ALTEN, we see our specialists as architects – today’s designers of tomorrow’s world. As a leader in Engineering and IT Services, we support companies in their technological and sustainable transformation. OVER 57,400 EMPLOYEES IN 30+ COUNTRIES, TO SUPPORT MORE THAN 6,500 CLIENTS WORLDWIDE. We operate in all sectors: Aeronautics, Space, Defence, Security & NavalAutomotive, Rail & MobilityEnergy & EnvironmentLife Sciences & HealthIndustrial Equipment & ElectronicsTelecoms, Banking, Finance & InsuranceRetail, Services & MediasPublic Services & GovernmentWe carry out complex and highly technical projects throughout the value chain of the most prestigious companies worldwide. Our motto: Building Tomorrow’s World Today! WE ARE LOOKING FOR: SENIOR DATA ENGINEER We seek a Senior Data Engineer (AI/GCP) with strong expertise in designing and implementing cutting-edge solutions based on Generative AI and LLM models in the Google Cloud environment. The ideal candidate brings a multidisciplinary technical background in: Generative AI / LLM: Practical knowledge of LLM models, particularly Google Gemini and Anthropic, including configuration and integration with backend systems.Agentic AI: Experience in designing and building AI agents, with familiarity in tools such as Google Agent Development Kit (ADK) or equivalent frameworks (e.g., LangChain).Google Cloud Platform (GCP): Hands-on experience with Vertex AI, Cloud Run, and Cloud Functions, and integrating cloud-native services into production solutions.Prompt Engineering: Proven experience in designing, optimizing, and testing prompts for business applications (minimum 2 years).Guardrails and AI Security: Implementing control mechanisms for AI systems, including input/output validation, hallucination mitigation, and ensuring solution security. Familiarity with quality control tools (e.g., Langfuse).Testing and Operations: Experience in testing the quality and stability of LLM-based solutions, basic knowledge of LLMOps/MLOps, and practical experience with monitoring tools (e.g., Langfuse, cloud solutions, AgentCore). You will play a key role in: Designing and developing GenAI solutions using models like Google Gemini and Anthropic, tailored to specific business use cases.Building and evolving AI agents to automate actions and support business processes.Integrating AI models with backend systems, APIs, and enterprise applications.Creating and optimizing prompts and usage scenarios to enhance model response quality.Analyzing and improving the quality, relevance, and stability of LLM outputs.Implementing security and control mechanisms, including input/output validation, hallucination reduction, and compliance with security regulations.Working in the Google Cloud Platform environment, particularly with services like Vertex AI, Cloud Run, and Cloud Functions.Developing LLMOps/MLOps approaches, including monitoring model performance in production.Utilizing tools for AI monitoring and analysis (e.g., Langfuse).Testing, debugging, and optimizing LLM-based solutions. The ideal candidate will have: Experience in Generative AI, LLM, or related fieldsFluency in English (minimum B2/communicative level) and Polish (min. B2)Solid understanding of LLM architecture, AI agent development, and cloud-native integrationsProficiency in prompt engineering, AI security, and operational monitoringExperience with Google Cloud Platform (GCP), Vertex AI, Cloud Run, and Cloud FunctionsKnowledge of LLMOps/MLOps, Langfuse, and AgentCore WE OFFER: Full-time employment contractLocation: PolandWork model: Remote/ occasional visits in KatowiceStable and long-term cooperationWell-defined career path at the European leader in engineering & IT consultingOpportunity to relocate and work in different ALTEN Polska branchesAfter project completion, opportunity to engage in a subsequent one within the companyIntroduction and cooperation with a dedicated Competences Manager BENEFITS: Medicover medical careMedicover dental careMedicover Benefits platformMedicover Sport cardReferral ProgramLayette for a newborn employee’s childGroup life insurancePension schemeCooperation based on B2B or Contract of Mandate (UZ) WE ALSO GUARANTEE: Access to professional certifications with our technology partners (e.g., Google, ISTQB)Access to relevant industry eventsAccess to the Knowledge Sharing ProgramAccess to the Referral Program Do not hesitate and join our team! NOTICE: We kindly inform you that we will contact the selected candidates.