Zexter is an ambitious product company building its own technological ecosystem in the iGaming industry.
We develop our proprietary platform, which is already live and actively operating, while continuously expanding our product portfolio. This enables us to adapt quickly to market demands and rapidly introduce new innovations.
Requirements
- 4+ years of commercial backend development experience with Node.js and TypeScript.
- 4+ 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.
- 3+ 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 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.
