Sr Backend Python Developer

*W2 candidates only. Must be authorized to work in the U.S without employer sponsorship now or in the future*Job Title: Senior Backend Developer (Python)Location: Hybrid, 3 days onsite in NYC office (Midtown Manhattan)Duration: Long term contract (W2 only, no C2C) Interview Process: 3 roundsDescription: Join a high-impact AI & Automation team at a leading global investment firm where you'll build production-grade Python web applications. Working with modern technologies including FastAPI, Azure, and AI tools like OpenAI and LangChain to develop scalable backend services and next-generation automation solutions. This is a hands-on engineering role with the autonomy to own technical solutions end-to-end and collaborate with an elite engineering team to shape the firm's most strategic AI strategies.Requirements: *Must complete CoderByte assessment before client submission*• 8-10+ years of software engineering experience• Strong Python development experience• FastAPI and REST API development• Strong SQL/database experience• Extensive Azure/cloud experience• CI/CD and DevOps experience• Experience building and supporting production applications