Backend Developer (Node.js / Nest.js)

We are looking for strong Backend Developers to join our growing product team.
Projects:
Sweeptakes platform (US market)
Online Casino (South America)
Locations:
Prague office (full-time, official employment in Czech Republic)
Budget: up to $6000 net per month
What you will do:
Development and maintenance of microservices
Integration with external payment systems and game aggregators
Development and support of payment modules
Implementation of new product features (categories, bonus systems, etc.)
Database design, schema creation, indexing, migrations and query optimization (SQL + NoSQL)
Work with infrastructure: Docker, Kubernetes, AWS
Participation in code review, testing and mentoring
Support of current architecture and participation in building a new one
Requirements:
3–6 years of commercial experience with Node.js and Nest.js
Strong knowledge of TypeScript
Solid experience with SQL and NoSQL databases
Understanding the importance of reliable and clean code (SOLID, architecture, maintainability)
Experience with payment systems integration and building stable financial solutions (idempotency, transactions, webhooks, reconciliation)
Good English level (B1+)
Will be a big plus:
Go language (we have some microservices on Go)
Unit & Integration testing
ClickHouse
Experience with live casino / streaming / real-time events
What we offer:
Competitive salary up to $4000 net
Prague office position: official employment (Czech contract), paid sick leave (10 days after 1 year), paid vacation
Remote position: flexible contract
Probation period — 3 months
Paid overtime
Work schedule: 10:00 – 19:00 GMT+1 (with online presence)
Salary payment in cryptocurrency
Interesting projects in gambling & sweepstakes niche
Opportunity to influence product architecture
Ready to join? Send your CV and a short note about your experience with Nest.js and payment systems.
We review all applications and respond to every candidate.
#NestJS #NodeJS #Backend #Prague