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# Senior Backend Engineer (Python/FastAPI/GraphQL)

- **Company:** WSS ASSOCIATES US, INC.
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Databases, Data Infrastructure, Data Warehousing, DevOps, Python (Programming Language), Software Construction, ReactJS, Backend, Fastapi, Data Analytics, Graphql, Restful APIs, Microservices
- **Published:** October 20, 2026
- **Apply:** https://www.juju.com/job/23_9DAD005EF95FDF7EA8222007A3A06DCB

## About the Role

Were looking for a Senior Backend Engineer to join a high-calibre engineering team building the infrastructure behind a sophisticated financial data platform. Youll play a key role in developing scalable APIs, expanding microservices architecture, and helping bring valuable structured data products to market. Key Skills & Experience:

Strong Python development experience, particularly with FastAPI Excellent knowledge of GraphQL and REST APIs Experience working with databases and data warehouses CI/CD, DevOps and software engineering best practices Comfortable working in a fast-paced, Agile environment Ability to work autonomously and contribute ideas

Highly advantageous:

Experience within FinTech, payments, financial services, or startup environments AWS experience Knowledge of React, Strawberry GraphQL, or PostGraphile Experience working with financial data products

Whats on offer?

Predominantly remote culture with flexibility Just a few days per month required in the New York office Opportunity to work on cutting-edge AI and data-driven products Fast-moving, collaborative engineering team where your ideas will have real impact

If youre a strong backend engineer who enjoys solving complex problems, building scalable systems, and working in a high-growth environment, Id be keen to speak with you.