Sr. GEN AI Python Engineer

REST API development Gen AI LLM Orchestration python development CI/CD containerization Observability & Monitoring financial data analysis LangChain/LangGraph

• Senior Python Developer GenAI Focused Contractor within the IB Analytics team at Barclays
• The role owner will be responsible for hands-on design development enhancement debugging testing and deployment of Generative AI capabilities for our Agentic platform with a specific focus on MCP integrations agent orchestration RAG enterprise web search and Investment Banking workflows
• The successful candidate will build Python based GenAI services MCP servers agent workflows and reusable platform components that can be deployed securely within the enterprise cloud environment, * Design develop enhance and maintain Python based GenAI services agent workflows MCP integrations and reusable platform capabilities
• Build MCP servers clients tools resources prompts schemas and authorization patterns for internal and third party systems
• Implement agent orchestration flows including tool calling function calling workflow execution retrieval and output generation
• Integrate internal and external data sources such as financial data providers SEC filings web search enterprise repositories and banking data services into agent workflows
• Design and implement RAG pipelines covering ingestion chunking embeddings retrieval ranking answer synthesis and citations
• Develop production grade backend services and APIs using Python Fast API async programming patterns and secure service integration practices
• Implement authentication authorization entitlement checks and secure access patterns for user specific consumption of MCP enabled services
• Perform testing debugging prompt evaluation model output validation logging monitoring and operational telemetry for GenAI components
• Work closely with product owners business analysts architects cloud engineers governance teams and bankers to convert requirements into production ready AI capabilities
• Maintain clear documentation of technical design assumptions interfaces limitations failure modes and operating considerations

• Strong hands-on experience in Python for backend ML or GenAI application development
• Proven experience building GenAI applications LLM workflows agentic systems or AI enabled production services
• Solid understanding of MCP concepts and practical implementation patterns for tools resources prompts servers and clients
• Experience with LLM orchestration frameworks such as LangChain/LangGraph or similar
• Strong understanding of RAG vector search embeddings retrieval quality citations and grounding patterns
• Experience developing APIs and backend services using FastAPI REST APIs async Python and service to service integration patterns
• Working knowledge of Git modern version control practices CICD workflows and test automation
• Experience deploying or integrating containerized services in a cloud environment preferably AWS
• Good understanding of authentication authorization secrets handling entitlements and enterprise security patterns
• Ability to independently debug complex distributed systems across APIs data flows cloud services prompts and model outputs
• Prior experience in banking financial services capital markets or other regulated technology environments
• Bachelor degree in a quantitative or technical discipline such as Computer Science Engineering AI or equivalent experience

Desirable Good to Have Skills:

• Hands-on experience with GenAI capabilities on AWS including Bedrock Claude models embedding services or equivalent managed AI services
• Experience integrating financial data providers such as FactSet Bloomberg SP Capital IQ Refinitiv Fitch or similar
• Experience implementing enterprise web search document intelligence or search grounded AI workflows
• Experience with vector databases or search platforms such as OpenSearch pg Vector Pinecone Weaviate Chroma or similar
• Familiarity with OpenTelemetry structured logging prompt version tracking AI evaluation frameworks and production observability
• Understanding of model risk management AI governance data privacy explainability and controls in regulated firms
• Experience building output generation capabilities such as Word PowerPoint PDF briefing packs or document generation workflows
• Exposure to Investment Banking workflows such as IPO prospectus preparation shareholder activism research ECM DCM MA or advisory processes, * Strong problem solving mindset with the ability to operate independently in a fastmoving delivery environment
• Excellent communication skills and the ability to collaborate with technical and nontechnical stakeholders
• Pragmatic engineering mindset with strong ownership accountability and focus on production readiness
• Comfortable working across global teams architecture governance security reviews and enterprise delivery processes
• Willingness to mentor engineers share knowledge and contribute to reusable GenAI engineering patterns

3.73.7 out of 5 stars Hanover, NH $41.61 - $65.01 an hour - Contract, Pulled from the full job description

• Health insurance
• Retirement plan
• Vision insurance
• Dental insurance, The pay range that the employer in good faith reasonably expects to pay for this position is $41.61/hour - $65.01/hour. Our benefits include medical, dental, vision and retirement benefits. Applications will be accepted on an ongoing basis.