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Principal Python Backend Engineer
skillventory - A Leading Talent Research FirmPrincipal Python Backend Engineer for Fidelity's Enterprise AI/ML Platform. Building core AI/ML services and developing resilient Python systems.
Posted 6/2/2026full-timeDurham • Massachusetts, New Jersey, North Carolina, Texas • 🇺🇸 United StatesLead💰 $107,000 - $216,000 per yearWebsite
Tech Stack
Tools & technologiesKubernetesPython
About the role
Key responsibilities & impact- bring a builder's mindset to Fidelity's Enterprise AI/ML Platform
- build the core AI/ML services running in Kubernetes
- design clean abstractions over vector databases
- own automated real-time data ingestion for RAG
- ship developer-friendly APIs/SDKs, CLIs, and templates
- instrument everything and turn rapid prototypes into resilient systems
- lead through code, productivity and knowledge sharing
Requirements
What you’ll need- 7+ years of professional software engineering experience
- strong Python service engineering
- real-world performance tuning across services and data stores
- experience building event-driven systems and/or real-time pipelines for ingestion and inference
- mastery of debugging complex, distributed behavior
- effective use of developer-assist tools
- familiarity with key Data Science, Machine Learning, or AI libraries is a bonus
Benefits
Comp & perks- comprehensive health care coverage and emotional well-being support
- market-leading retirement
- generous paid time off and parental leave
- charitable giving employee match program
- educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
PythonKubernetesAI servicesML servicesevent-driven systemsreal-time pipelinesperformance tuningdebuggingdata ingestiondata stores
Soft Skills
builder's mindsetleadershipproductivityknowledge sharing