AI Tech Lead

Contract: B2BRate: 140 - 180 PLN/h net+VATLocation: Remote within PolandProject: Building vertical AI solutions for a UK financial services organisationKey TechnologiesAI/ML: LLMs, RAG, embeddings, fine-tuning, evaluation frameworks, prompt & tool engineering, NLP Graph Tech (highly valued): Knowledge Graphs, GraphRAG, Neo4j / Neptune / open-source graph stacks, entity resolution, relationship reasoningEngineering: CI/CD (GitLab), AWS, DockerProject OverviewWe are building AI solutions purpose-built for UK financial services - not just wrappers around existing APIs. The client's mission is to engineer reliable AI systems that work seamlessly in a regulated environment. As Lead Machine Learning Engineer (AI Tech Lead), you will own the AI strategy across the full stack, from data ingestion to deployment and monitoring.Key initiatives include:AI Co-Pilot for Advisers: Supports client calls, automates admin, and generates structured suitability reports.Compliance & QA Platform: Analyses all customer interactions to detect risk and ensure Consumer Duty-aligned outcomes.This role offers high ownership and the chance to shape AI innovation in a regulated sector.ResponsibilitiesArchitect and build production-grade AI systems (beyond simple API calls), including retrieval pipelines, evaluation harnesses, and engineered workflows.Lead greenfield AI initiatives end-to-end: data processing → modelling strategy → deployment → monitoring and iteration.Audit and optimise existing AI features for performance, accuracy, robustness, and scalability.Establish evaluation & quality standards: metrics, regression testing, traceability, and failure-mode handling suitable for regulated environments.Apply graph-based approaches where relationships matter (e.g., entity linking, non-linear reasoning, risk/compliance signals).Mentor engineers and set best practices for AI development, deployment, and maintainability across the team.Translate complex product/domain requirements into clear technical plans and execution.RequirementsMinimum 8 years of experience in software engineering, including designing and delivering production systems end-to-end.Graph tech experience is a key differentiator - experience applying graphs to solve non-linear/relational data problems is strongly preferred.Proven experience building and maintaining production ML/LLM systems, not only prototypes.Strong understanding of embeddings, retrieval, evaluation, model trade-offs, and reliability patterns in real systems.Ability to design scalable architectures and take accountability for technical decisions.A true builder mindset: pragmatic delivery, measurable outcomes, strong ownership.Evidence of custom model work or research contribution (portfolio, repos, shipped systems, publications, etc.).Fluency in Polish and an advanced level of English (B2/C1).Why join us?Rite NRG is a vibrant outsourcing technology company driven by the Right People. We are dedicated to empowering businesses through innovative software solutions. We focus on building strong partnerships and providing top-notch software solutions that drive real business growth. Our business model revolves around collaboration and delivering impactful results for our clients.Join us, and be part of a team where great minds, Right Energy, and strong partnerships come together to shape the future of technology!Stable, long-term, full-time collaboration.Remote work within Poland and flexible working hours.High engineering culture with a focus on growth and learning.Multinational teams.Benefits: Private medical care, Multisport card, and workation (work for a week from Barcelona or elsewhere).