Full-Stack Engineer (Backend-Oriented) - only Ukraine

About the Role
Join the core engineering team to help scale the backend systems powering real-time crypto portfolio insights. As a backend-oriented Full-Stack Engineer, you’ll build data pipelines and serverless APIs, using JavaScript and PostgreSQL.

What You’ll Do
● Design and maintain backend services using the Serverless framework
● Build robust data processing flows and PostgreSQL queries
● Write secure and scalable APIs to support frontend experiences
● Work closely with frontend engineers to shape data contracts
● Own features end-to-end, from architecture to deployment

What We’re Looking For
● Experience developing backend services in JavaScript/Node.js
● Strong understanding of PostgreSQL, schema design, and query optimization
● Familiarity with serverless architectures and event-driven systems
● Comfortable collaborating across the stack with frontend teams
● Strong debugging and problem-solving skills

● Spoken English

Bonus Points For
● Experience with AWS (Lambda, SQS, API Gateway, etc.)
● Exposure to financial systems or crypto data pipelines