Senior Backend Engineer

Strategic Employment Partners (SEP); Washington (District of Columbia); On-site; USD 160,000 - 240,000; Full time

Benefits offered by this job

Performance bonus

Equity participation

Comprehensive medical, dental, and vis

401(k) with employer match

Job summary

Strategic Employment Partners (SEP) is seeking an experienced backend engineer to build and scale Node.js services powering fintech and SaaS products for healthcare providers across the U.S. You will design APIs, optimize databases, and contribute to platform reliability and security in a fast-growing fintech environment.

You will collaborate with product managers, designers, and other engineers while owning significant portions of the product roadmap and delivering high-performance, secure

Qualifications

• 5+ years backend development with Node.js (Express.js or similar).
• Experience designing and building RESTful APIs.
• Strong PostgreSQL and relational database knowledge.
• Understanding of scalable backend architecture and systems design.

Responsibilities

• Design and build backend services powering fintech and SaaS products for healthcare customers.
• Develop scalable APIs and database schemas for new features.
• Maintain Node.js applications with focus on performance, reliability, and security.
• Investigate and resolve production issues in partnership with Customer Support.
• Collaborate with product managers, designers, and engineers to deliver new functionality.

Skills

Node.js backend

Express.js

RESTful APIs

PostgreSQL

Backend architecture

Fintech experience

Production issue troubleshooting

Ownership & communication

Job description

Join a fast-growing fintech company building modern software and financial solutions for healthcare providers across the U.S. Backed by experienced founders and leading investors, the company is expanding rapidly and looking for engineers who thrive in a fast-paced, high-ownership environment where they can have a direct impact on the product and business.

About the Role

• Design and build backend services powering fintech and SaaS products for healthcare customers
• Develop scalable APIs and database schemas for new product features
• Build and maintain Node.js applications with a focus on performance, reliability, and security
• Investigate and resolve production issues in partnership with Customer Support
• Estimate development effort and proactively communicate progress, risks, and blockers
• Collaborate closely with product managers, designers, and fellow engineers to deliver new functionality
• Contribute to architectural decisions and engineering best practices as the platform continues to scale
• Help shape a rapidly growing product roadmap while working in a high-performance, collaborative engineering culture

Requirements

• 5+ years developing backend applications with Node.js
• 2+ years working with Express.js or similar backend frameworks
• Experience designing and building RESTful APIs
• Strong experience with PostgreSQL and relational database design
• Solid understanding of backend architecture and scalable system design
• Experience building applications in the fintech, payments, banking, lending, or marketplace space strongly preferred
• Comfortable troubleshooting production issues and collaborating across technical and non-technical teams
• Self-starter who takes ownership, communicates effectively, and thrives in a fast-moving environment
• Base salary: $160,000-$240,000, depending on experience and location
• Performance bonus opportunity
• Equity participation
• Comprehensive medical, dental, and vision coverage
• 401(k) with employer match