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# Senior Backend Engineer in Washington

- **Company:** Energy Jobline
- **Location:** Washington, DC, United States (Remote available)
- **Experience:** Expert
- **Salary:** $160,000.0 - $240,000.0
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Relational Databases, PostgreSQL, Node.Js, Software Architecture, Express.js, Backend, Restful APIs
- **Published:** October 2, 2026
- **Apply:** https://www.energyjobline.com/job/senior-backend-engineer-washington-31818661

## About the Role

* 5+ years of professional JavaScript development experience
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 * 5+ years developing backend applications with Node.js
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 * 2+ years working with Express.js or similar backend frameworks
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 * Experience designing and building RESTful APIs
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 * Strong experience with PostgreSQL and relational database design
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 * Solid understanding of backend architecture and scalable system design
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 * Experience building applications in the fintech, payments, banking, lending, or marketplace space strongly
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 * Comfortable troubleshooting production issues and collaborating across technical and non-technical teams
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 * Self-starter who takes ownership, communicates effectively, and thrives in a fast-moving environment