Backend Typescript Developer

Ukraine / Europe (native Ukrainian required) | Remote | Full-time | Workday overlap with Los Angeles ( 4 hours)

Our client – a dynamic and growing software studio building complex web and mobile applications – is looking for a Senior Backend Developer (Typescript / Node.js) to join their distributed team.

About the role

You will design, develop, and maintain scalable backend systems for web and mobile products, ensuring performance, reliability, and smooth integration with modern frontends. This role involves close collaboration with product managers, designers, and frontend engineers, as well as mentoring junior developers and contributing to architectural decisions.

Responsibilities

Build and maintain scalable backend services in Node.js / Typescript.

Design and optimize RESTful and GraphQL APIs.

Work with PostgreSQL : data modelling, queries, and performance tuning.

Ensure system reliability, identify bottlenecks, and resolve performance issues.

Write clean, testable code following best practices (TDD / CI / CD).

Collaborate with product and frontend teams to deliver end-to-end features.

Review code, mentor team members, and contribute to engineering culture.

Requirements

5+ years of backend development experience with Node.js & Typescript.

Strong expertise in SQL / PostgreSQL.

Hands-on experience with scalable API design (REST & GraphQL).

Familiarity with backend architecture, OOP, and design patterns.

Experience with CI / CD pipelines, testing frameworks, and Git.

Comfortable working in Linux / macOS development environments.

Strong problem-solving and communication skills.

Ability to work with a distributed team (overlap with Los Angeles timezone required).

Native Ukrainian language required.

Nice-to-have

Experience with NestJS, Express.js, or Fastify.js.

Knowledge of ORMs (Prisma, Drizzle) and auth (JWT, OAuth).

Real-time communication (WebSockets, SSE).

Docker / Kubernetes, microservices architecture.

Experience integrating third-party services (Stripe, Twilio, SendGrid).

Understanding of frontend tech (React, state management, validation libraries).

Experience mentoring or leading initiatives.

Hiring process

Resume and portfolio review

30-45 minute initial interview

Short exercise

60 minute exercise review (panel)

Leadership interview(s)

Decision

Remote restrictions : Workday must overlap by at least 4 hours with Los Angeles, CA, USA