Fuse

About Fuse

Fuse is a high-growth New York City startup revolutionizing financial services infrastructure through an innovative low-code tool. Backed by top-tier venture capital, the company is creating a transformative self-service 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 cutting-edge financial services platform. This role requires a strategic technical leader who can design scalable, robust backend systems that power our next-generation product.

You Will:

• Architect and develop high-performance 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 decision-making

• 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 JavaScript/Node.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, high-performance 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

Desirable Skills

• Experience with serverless architectures

• Knowledge of the financial services domain

• CI/CD 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 Fuse's form

• Video interview with Fuse

• Take home assessment

• Interview with Fuse's Engineer

• Interview with Product Lead