Senior AI Platform Engineer

## About the project - We're looking for an experienced Senior AI Platform Engineer to help build next-generation AI solutions, combining LLMs, agentic workflows, enterprise search, and cloud-native platforms. ## This is how we work - in house - agile - scrum ## Your responsibilities - Design, build, and operate AI/ML services powering single- and multi-agent workflows - Develop production-grade GenAI solutions using agent frameworks, tool calling, memory, orchestration, and human-in-the-loop capabilities - Build and optimize RAG, search, and reasoning systems using Elasticsearch, vector search, and knowledge retrieval techniques - Create document intelligence pipelines for OCR, information extraction, classification, summarization, and embedding generation - Adapt and optimize AI models through fine-tuning approaches such as SFT, LoRA, and QLoRA - Deploy and scale AI workloads on Kubernetes and cloud platforms (AWS, Azure, or GCP) - Improve reliability, quality, observability, security, and performance of AI services in production environments - 4+ years of commercial experience in Software Engineering, Machine Learning Engineering, or AI Engineering - Strong Python development skills and experience delivering production AI applications - Hands-on experience with LLMs, Agentic AI, RAG, and AI orchestration frameworks (e.g., LangGraph, AutoGen, LangChain, Google ADK, or similar) - Experience building and evaluating AI systems using metrics, testing frameworks, and human feedback loops - Solid understanding of fine-tuning techniques such as SFT, LoRA, QLoRA, or preference-based optimization - Knowledge of Elasticsearch, vector databases, SQL/PostgreSQL, and enterprise search solutions - Practical experience with Docker, Kubernetes, and cloud platforms (AWS, Azure, or GCP) - Familiarity with distributed workloads, MLOps practices, CI/CD pipelines, and production monitoring - Fluent English - at least B2+/C1 - We offer a full-time employment contract - Location – Poland; work model – remote - Stable and long-term cooperation - Well-defined career path at the European leader in engineering & IT consulting - Opportunity to relocate and work in different ALTEN Polska branches - After completion of the project, opportunity to engage in a subsequent one within the company - Introduction and cooperation with dedicated Competences Manager - Benefits - Medicover medical care - Medicover dental care - Medicover Benefits platform - Medicover Sport card - Referral Program - Layette for a newborn employee’s child - Group life insurance - Pension scheme - We also offer cooperation based on a 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 events - Access to the Knowledge Sharing Program - Access to Referral program - NOTICE: We kindly inform you that we will contact the selected candidates. ## This is how we work on a project - TDD - documentation - issue tracking tools - integration tests - performance tests - test automation - life insurance - retirement pension plan - baby layette - employee referral program - Medicover medical care - Medicover dental care - Medicover Benefits platform - Medicover Sport card ## NOTICE: - We kindly inform you that we will contact the selected candidates. - 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 & Naval, Automotive, Rail & Mobility, Energy & Environment, Life Sciences & Health, Industrial Equipment & Electronics, Telecoms, Banking, Finance & Insurance, Retail, Services & Medias, Public Services & Government. - We carry out complex and highly technical projects throughout the value chain of the most prestigious companies worldwide. - Our motto: Building Tomorrow’s World Today!