---
title: "Backend Developer (Node.js/Nest.js) at Zexter – All Job Board"
---

# Backend Developer (Node.js/Nest.js) at Zexter

Written by

[admin](https://alljobboard.com/author/admin/)

in

- [Armenia, Cyprus, Georgia, Poland, Serbia (Remote)](https://maps.google.com/maps?q=Armenia%2C%20Cyprus%2C%20Georgia%2C%20Poland%2C%20Serbia%20%28Remote%29&zoom=14&size=512x512&maptype=roadmap&sensor=false)
- Posted 3 days ago

![Zexter](https://alljobboard.com/wp-content/plugins/wp-job-manager/assets/images/company.png)

 **Zexter**

🚀  **Zexter**  is an ambitious product building its own technological ecosystem in the iGaming space.

We are developing our **in-house platform**, which is already live and actively operating, while also expanding our **product line**, allowing us to adapt quickly to market needs and implement innovations at speed.

We are looking for a **Backend Developer** to join our team and help us build scalable, reliable, and high-performance backend solutions for our iGaming products. You’ll work closely with other engineers and cross-functional teams, taking ownership of backend features from development to production.

### Requirements

- 5+ years of commercial backend development experience with**Node.js**and**TypeScript**.
- 5+ years of hands-on production experience with**PostgreSQL**and other relational databases.
- ### Strong SQL expertise, including:

    - Query optimization for high-load systems.
    - ### Index design and performance analysis.
    - Transaction management and concurrency control.
    - Identifying and resolving database performance bottlenecks.
- 5+ years of commercial experience with**NestJS**.
- ### Excellent understanding of:

    - ### Dependency Injection.
    - ### Modular application architecture.
    - Clean Architecture and software design principles.
    - REST API design and backend service architecture.
- Experience developing and maintaining high-load production systems.
- Solid experience with automated testing (unit/component and integration tests).
- Experience with load and performance testing, including bottleneck identification and validating system behavior under heavy traffic.
- Experience with **Redis**, message queues, background jobs, and event-driven architecture.
- Experience with **Docker**, **Kubernetes**, CI/CD pipelines, and cloud infrastructure.
- Experience working on systems where**financial accuracy, idempotency, transaction consistency, and auditability**are critical.
- Ability to write clean, maintainable, testable, and well-structured code.
- Strong ownership mindset, taking responsibility for features from implementation and testing through deployment, monitoring, and production incident resolution.
- Strong communication skills with the ability to clearly explain technical decisions, implementation details, and associated risks.
- Ability to work effectively under deadlines and independently prioritize tasks.
- Experience with code reviews, debugging, logging, monitoring, and production incident investigation.

### Nice to Have

- Experience in the**iGaming**industry
- Experience developing or maintaining backend systems for online casinos, sports betting, gaming platforms, wallets, payment systems, or transaction processing.
- Experience integrating third-party game providers, payment gateways, or other external services.
- Practical experience using AI-powered developer assistants (**Cursor, Claude**, or similar).

### What We Offer

- ### Fully remote work.
- Opportunity to work in a fast-growing international iGaming company.
- Opportunity to work with a modern technology stack, a strong engineering team, minimal bureaucracy, and AI-powered development tools that help eliminate routine work.

Originally posted on Himalayas

**Source:** this listing was published by [Himalayas](https://himalayas.app/). [View the original posting and apply](https://himalayas.app/companies/zexter/jobs/backend-developer-node-js-nest-js?utm_source=api) — applications are handled there, not on this site.

To apply for this job please visit [himalayas.app](https://himalayas.app/companies/zexter/jobs/backend-developer-node-js-nest-js?utm_source=api).

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