Senior AI Platform Engineer w Warszawa, Polska

Expected, Python, LangGraph, LangChain, SQL, PostgreSQL, Docker, Kubernetes, AWS

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

What we offer, 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

Benefits, 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.

ALTEN Polska, 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!