Engineer Lead , Artificial Intelligence / Machine Learning

Position Type : Full time Type Of Hire : Experienced (relevant combo of work and education)Are you curious, motivated, and forward-thinking At FIS youll have the opportunity to work on some of the most challenging and relevant issues in financial services and technology. Our talented people empower us, and we believe in being part of a team that is open, collaborative, entrepreneurial, passionate and above all fun. About the team The Client OFfice AI/ML CoE team is a horizontal CoE for Client Office that is helping us drive revenue and bring significant savings to our businesses by identifying, exploring, and implementing AI/ML solutions. The Client Office is one of the three verticals in FIS. It has various products and solutions in funds management, cleared derivatives, commercial lending, corporate treasury, insurance risk electronic trading, RegTech, wealth and retirement etc. The team consists of highly motivated solution architects, data scientists and ML engineers. What you will be doing As a Artificial Intelligence / Machine Learning Engineer Lead, you will be working on developing cutting-edge Gen AI and Agentic solutions across the organization. What you bring: Knowledge / Experience 10+ years of overall experience with 4+ years on AI/Gen AI/Agentic AIDesigning and building GenAI-powered applications using LLMs (open & proprietary)Building agent-based systems with planning, memory, tool use, and orchestrationImplementing Agentic workflows (multi-agent, human-in-the-loop, autonomous tasks)Integrating AI systems with enterprise platforms, APIs, and workflowsEvaluating model, agent, and system behavior (accuracy, reliability, safety)Experience with vector databases and retrieval systems (RAG, hybrid retrieval patterns)Building and deploying REST services using Flask or FastAPIExperience working with cloud platforms (AWS, GCP, Azure) and AI StudiosSkills Strong hands-on experience with Large Language Models (LLMs).Deep understanding of Agents & Agentic AI systemsincluding autonomous decisionmaking, tool/function calling, planning, and orchestration.Proficiency with prompting techniques, structured outputs, model routing, and context/memory management.Understanding of different model types:Proprietary (e.g., GPT-class)Open-weight modelsEmbedding modelsMultimodal modelsUnderstanding of AI orchestration frameworks (conceptual level acceptable)Knowledge of model access and orchestration protocols such as Model Context Protocol (MCP) or similar abstraction layersAbility to design systems that:Switch modelsRoute promptsManage context, memory, and toolchainsExperience evaluating GenAI systems (hallucinations, grounding, safety)Strong proficiency in Python.Experience with ML/AI frameworks such as:scikitlearnTensorFlowPyTorchKeraspandasHands-on experience building RESTful APIs using Flask or FastAPI Nice to Have Experience with LLM finetuning, parameterefficient tuning (LoRA/QLoRA)Familiarity with LangChain, LlamaIndex, Autogen, or OpenAI Assistants APIWorking knowledge of productiongrade MLOps (CI/CD, monitoring, observability)Experience with vector DBs like Pinecone, Chroma, Redis, Weaviate, or MilvusUnderstanding of security, compliance, and data governance for GenAI systems Qualifications Bachelors degree in engineering or related field or the equivalent combination of education, training, or work experience Competencies Fluent in EnglishExcellent communicator ability to discuss technical and commercial solutions to internal and external parties and adapt depending on the technical or business focus of the discussion.Attention to detail track record of authoring high quality documentation.Organized approach manage and adapt priorities according to client and internal requirements.Self-starter but team mindset - work autonomously and as part of a global teamWhat we offer you A multifaceted job with a high degree of responsibility and a broad spectrum of opportunitiesA broad range of professional education and personal development possibilities FIS is your final career step!A competitive salary and benefitsA variety of career development tools, resources and opportunitiesWith a 50-year history rooted in the financial services industry, FIS is the world's largest global provider dedicated to financial technology solutions. We champion clients from banking to capital markets, retail to corporate and everything touched by financial services. Headquartered in Jacksonville, Florida, our 53,000 worldwide employees help serve more than 20,000 clients in over 130 countries. Our technology powers billions of transactions annually that move over $9 trillion around the globe. FIS is a Fortune 500 company and is a member of Standard & Poors 500 Index. FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information Positi