Backend Developer (Node.js/Nest.js)

Zexter; United States; Remote; USD 110,000 - 180,000; Full time

Benefits offered by this job

Fully remote

AI-powered development tools

Modern tech stack

Job summary

Zexter приглашает опытного backend-разработчика для создания масштабируемых и производительных систем в игровой индустрии. Вы будете работать над собственными решениями, тесно взаимодействуя с командами разработки и продакшн. Мы ценим владение Node.js/TypeScript, NestJS и дизайном микросервисов.

Требуется опыт работы с PostgreSQL, Redis, Docker, Kubernetes, CI/CD и облачными сервисами. Работа полностью удаленная, глобальная команда и современные технологии облегчают развитие и автоматизацию

Qualifications

• 5+ лет коммерческой backend-разработки на Node.js и TypeScript.
• 5+ лет работы с PostgreSQL и реляционными базами данных.
• Эксперт в SQL: оптимизация запросов под высокую нагрузку.
• Опыт проектирования и анализа производительности баз данных.
• Опыт работы с NestJS, Dependency Injection и модульной архитектурой.
• Понимание Clean Architecture и REST API.
• Опыт работы с высоконагруженными системами и тестированием.
• Знание Redis, очередей сообщений и event-driven архитектуры.
• Опыт Docker, Kubernetes, CI/CD и облачной инфраструктуры.
• Внимание к точности транзакций, аудируемости и идемпотентности.
• Умение писать чистый, поддерживаемый код и нести ответственность за фичи.
• Сильные коммуникативные навыки и способность объяснять технические решения.

Responsibilities

• Разрабатывать и поддерживать backend-решения для iGaming продуктов.
• Брать ответственность за фичи от разработки до продакшна.
• Сотрудничать с командой инжиниринга и смежными отделами.
• Обеспечивать масштабируемость, надежность и высокую производительность сервисов.
• Проводить тестирование и анализировать перформанс под нагрузкой.

Skills

Node.js

TypeScript

PostgreSQL

SQL

NestJS

REST API

High-load systems

Automated testing

Redis

Docker

Kubernetes

CI/CD

Cloud infrastructure

Idempotency / transaction consistency

Auditability

Code quality / maintainability

Ownership mindset

Team communication

Tools

PostgreSQL

Redis

Docker

Kubernetes

CI/CD pipelines

Job description

Описание:

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.

Требования:

• 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.
• 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).

Условия:

• 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.