Senior Python Developer - Operate

Deloitte is seeking a Senior Python Developer to work on a 1-year fixed-term contract. The ideal candidate has experience building applications that leverage large language models (LLMs). Responsibilities include designing, building, and optimizing backend services and ML/LLM integrations, with a focus on reliability, security, and measurable business impact.

Requirements

• 5+ years of professional experience building production-grade Python services and APIs
• Fluency with Python fundamentals: asynchronous programming, typing, packaging, dependency management, and performance profiling
• Experience with FastAPI/Flask, REST/gRPC, and clean architecture patterns
• Knowledge of databases and messaging: Postgres/MySQL, Redis, and event/queue systems
• Practical GenAI/LLM experience: integrating hosted LLM APIs, prompt design, and token/cost management

Benefits

• Competitive base salary and variable pay opportunities
• $4,000 per year for mental health support benefits
• $1,300 flexible benefit spending account
• Firm-wide closures known as 'Deloitte Days'
• Dedicated days of for learning (known as Development and Innovation Days)
• Flexible work arrangements and a hybrid work structure