Senior Backend Engineer — Fintech SaaS & Node.js APIs

Strategic Employment Partners (SEP); New York (NY); On-site; USD 160,000 - 240,000; Full time

Benefits offered by this job

Performance bonus

Equity participation

Comprehensive medical, dental, and v s

Job summary

Strategic Employment Partners (SEP) is hiring a backend engineer to design and build scalable fintech-focused services in a fast-growing healthcare SaaS environment in the U.S. You will own API design, database schemas, and Node.js-based implementations, collaborating with product managers and other engineers to shape the roadmap.

With 5+ years in backend Node.js development, you will tackle performance, security, and reliability challenges while working across technical and non-technical teams.

Qualifications

• 5+ years developing backend applications with Node.js.
• 2+ years working with Express.js or similar 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 in fintech/payments/b banking or marketplace space preferred.
• Comfortable troubleshooting production issues and collaborating across teams.
• Self-starter who communicates effectively in a fast-moving environment.

Responsibilities

• 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 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 with product managers, designers, and engineers to deliver new functionality.
• Contribute to architectural decisions and engineering best practices as the platform scales.
• Shape a rapidly growing product roadmap in a high-performance, collaborative culture.

Skills

Node.js

Express.js

RESTful APIs

PostgreSQL

Backend architecture

Fintech domain

Production support

Ownership & communication

Job description

Strategic Employment Partners (SEP) is hiring a backend engineer to design and build scalable fintech-focused services in a fast-growing healthcare SaaS environment in the U.S. You will own API design, database schemas, and Node.js-based implementations, collaborating with product managers and other engineers to shape the roadmap.

With 5+ years in backend Node.js development, you will tackle performance, security, and reliability challenges while working across technical and non-technical teams.