Node.js Developer

JavaScript

Node.js Developer

JavaScript
Shelton St 71-75, London

THNDR LTD

Full-time
Senior
Remote

Job description

At THNDR, we’re building the first PvP skill gaming platform with perfected player liquidity. We partner with iGaming operators to boost retention and expand market reach with our customizable, competitive game content.

We’re looking for a Backend Developer to help us build scalable integrations and backend services that make onboarding operators smooth, secure, and reliable.


The Role

As our Backend Developer focused on Integrations, you'll be responsible for designing and maintaining the systems that enable hundreds of operators to deliver exceptional gaming experiences to their users. Your work will directly impact platform reliability, operator satisfaction, and our ability to scale rapidly across global markets.


Responsibilities

  • Build APIs and backend services for operator integrations (embed flow, sessions, authentication)

  • Implement operator-specific configurations, security checks, and webhooks/callbacks

  • Improve scalability, monitoring, and reliability of integration services

  • Write clean technical docs for operators and internal teams


Tech Stack

  • Node.js + TypeScript (Express, Nestjs)

  • Google Cloud Platform (Cloud Run, Spanner, Firebase)

  • Docker


Requirements

  • 3+ years building production backend systems and APIs

  • Strong understanding of authentication/security (JWT, OAuth, API keys)

  • Experience building SaaS integrations or third-party APIs

  • Comfortable with cloud infrastructure (GCP preferred) and microservices

  • Able to own features end-to-end from design to production


Nice to Have

  • Gaming, real-time systems, or high-concurrency experience

  • WebSocket/real-time communication protocols

  • Monitoring tools (Datadog, Prometheus, New Relic)

  • Fluent in English and Polish

Tech stack

    English

    C1

    TypeScript

    advanced

    Node.js

    advanced

    Express.js

    advanced

    Google Cloud Platform

    regular

    Nest.js

    regular

    Docker

    regular

Office location

Published: 19.02.2026

Node.js Developer

Summary of the offer

Node.js Developer

Shelton St 71-75, London
THNDR LTD
By applying, I consent to the processing of my personal data for the purpose of conducting the recruitment process. Please be informed that the data controller is THNDR LTD (hereinafter "controller"). You have the right to request access to your pers... MoreThis site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.