Senior Python/AI Engineer
Compustaff is partnering with a leading global asset manager to hire a Senior Python/AI Engineer for its Fixed Income Credit team. You’ll build production-grade AI applications and robust Python services that turn unstructured financial data into real insight for analysts and portfolio managers. The role is based in Donegal, with 2-3 days required at the office.
Why this role
* Real impact: Ship AI features that directly influence credit research and investment decisions.
* Modern stack: AWS Bedrock, Python/FastAPI, RAG/GraphRAG, vector databases, and strong automated testing.
* Engineering culture: Clean code, measurable quality, and shipping to production—regularly.
What you’ll do
* Design and deliver advanced AI applications on AWS Bedrock (including Converse API interfaces).
* Build high-performance Python/FastAPI services with comprehensive automated tests.
* Implement RAG/GraphRAG architectures using knowledge graphs and vector DBs (e.g., OpenSearch, Neptune Analytics).
* Create scalable API endpoints for model serving; optimize latency, throughput, and cost.
* Develop evaluation frameworks and load testing (e.g., Locust) to ensure reliability at scale.
* Establish CI/CD test automation with strong coverage, integration tests (pytest, unittest, testcontainers).
* Apply API security best practices across microservices.
What you’ll bring
* 3+ years building AI/ML services and Python backends in production.
* Strong software engineering with FastAPI and RESTful design.
* Hands-on with pytest/unittest, testcontainers, and performance testing (e.g., Locust).
* Experience implementing RAG/GraphRAG for enterprise use cases.
* Proficiency with AWS Bedrock (model deployment & integration) and vector/graph data stores.
* Ability to design evaluation frameworks, automate tests, and manage token/cost optimisation for AI services.
Nice to have
* FastMCP experience for high-performance API services.
* Domain exposure in financial services or other regulated industries.
* Hybrid approaches combining rule-based logic with modern ML.
* Multi-modal models and async Python patterns.
* API gateway architecture, microservices, Lambda/S3/ECS, containers.
* Bachelor’s degree in CS, Statistics, Finance, Economics or similar.
Interested? Send your CV to Compustaff and we’ll share full details and next steps.
Not sure you tick every box? If you can build solid Python services and ship AI to production, we’d love to hear from you.
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