Fuse Finance Backend Engineer (Node)

About Fuse

Fuse is a highgrowth New York City startup revolutionizing financial services infrastructure through an innovative lowcode tool. Backed by toptier venture capital, the company is creating a transformative selfservice platform for configuration, integration, and automation in financial technology.

About the Role

We are seeking a Senior Backend Engineer with extensive JavaScript and Node.js expertise to drive the technical architecture of our cuttingedge financial services platform. This role requires a strategic technical leader who can design scalable, robust backend systems that power our nextgeneration product.

You Will:

• Architect and develop highperformance backend services using NestJS, ensuringscalability and maintainability

• Design and optimize PostgreSQL database schemas and query performance

• Implement complex business logic and integration patterns for financial service workflows

• Create and maintain RESTful APIs with exceptional performance characteristics

• Develop robust data modeling strategies that support complex financial service configurations

• Lead backend system design and technical decisionmaking

• Leverage AWS cloud services to build scalable and reliable infrastructure

• Mentor junior engineers and contribute to the overall engineering team culture

• Implement comprehensive testing strategies, including unit and integration testing

• Establish and maintain backend observability and monitoring infrastructure

• Collaborate closely with frontend, product, and design teams to ensure seamless system integration

• You Have:

  • 7+ years of professional JavaScriptNode.js development experience

  • Extensive experience with NestJS framework

  • 6+ years of professional experience with PostgreSQL and relational database design

  • Proven track record of designing scalable, highperformance backend systems

  • Deep understanding of TypeScript and advanced JavaScript patterns

  • Strong experience with RESTful API design and implementation

  • Expertise in database optimization and performance tuning

  • Comprehensive knowledge of backend testing methodologies

  • Substantial AWS cloud services experience, including:

    • Amazon EC2

    • Amazon RDS

    • AWS Lambda

    • Amazon S3

    • AWS CloudWatch

    • Infrastructure as Code (CloudFormation or Terraform)

    • • Experience with microservices architecture

      • Strong debugging and systems troubleshooting skills

      • Solid English skills

      • Desirable Skills

        • Experience with serverless architectures

        • Knowledge of the financial services domain

        • CICD pipeline configuration and Backend observability tools

        • Docker and Message queue systems (RabbitMQ, Kafka) experience

        • Our Stack

          • Primary Languages: TypeScript, NodeJS

          • Frameworks: NestJS

          • Databases: PostgreSQL, Redis, MongoDB

          • Cloud Platform: AWS

          • Development Practices: Agile, Startup

          • The Selection Process

            • Recruiter Screen

            • Registration on Fuses form

            • Video interview with Fuse

            • Take home assessment

            • Interview with Fuses Engineer

            • Interview with Product Lead