Middle Backend Developer (Node.js/NestJS)

About the Position

Spendbase is a fast-scaling fintech helping companies optimize their SaaS, cloud, and corporate card spending. We’re expanding our product and building new banking features, so we’re looking for a Middle Backend Developer (Node.js/NestJS) who can take ownership of clear product tasks and ship reliably.

Responsibilities

• Develop new user-facing features in our Spend Management and Banking modules
• Build and maintain REST/JSON APIs consumed by our web and mobile applications
• Integrate and update connections with third-party services (Stripe, AWS, Google, HubSpot, etc.)
• Work with AWS services as part of our infrastructure
• Improve the performance of heavy pages (tables, analytics, billing views)
• Design data models and write efficient database queries and migrations
• Cover critical flows with unit and integration tests
• Collaborate with frontend teams to define API contracts and ensure smooth integrations
• Participate in grooming and break features into manageable tasks with the product team

Requirements

• 2–4 years of experience with JavaScript and TypeScript
• Solid understanding of HTTP, REST, auth, and asynchronous workflows
• Experience with PostgreSQL and Prisma (or similar ORM)
• Practical experience with AWS services
• Ability to read backend API documentation and propose improvements
• Comfortable working independently with product requirements
• Startup mindset: ownership, speed, initiative
• Upper-Intermediate English or higher

Nice to Have

• Node.js knowledge for API debugging
• Experience with fintech or any transactional system
• Knowledge of Go (Golang) or desire to learn and use it in production
• Familiarity with CI/CD and frontend performance monitoring

We Offer

• Competitive compensation
• Direct impact on a product used by customers globally
• Fast-paced environment with minimal bureaucracy
• Modern tech stack and ability to influence technical decisions
• Flexible schedule and remote-friendly setup

About the Company

Spendbase is a fast-scaling fintech helping companies optimize their SaaS, cloud, and corporate card spending.

Join the growth!

Location: Kyiv, Ukraine