Fuse Finance - Backend Engineer (Node)

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