About the company
Zexter is building its own technological ecosystem in the iGaming space. Its in-house platform is live and actively operating, and the company is expanding its product line to respond quickly to market needs and implement innovations.
Responsibilities
•Build scalable, reliable, and high-performance backend solutions for iGaming products
•Take ownership of backend features from development through production
Requirements
•At least 5 years of commercial backend development experience with Node.js and TypeScript
•At least 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, performance analysis, transaction management, concurrency control, and resolving database performance bottlenecks
•At least 5 years of commercial experience with NestJS
•Strong understanding of Dependency Injection, modular application architecture, Clean Architecture, software design principles, REST API design, and backend service architecture
•Experience developing and maintaining high-load production systems
•Experience with automated unit, component, and integration testing
•Experience with load and performance testing, identifying bottlenecks, 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, including responsibility for features from implementation and testing through deployment, monitoring, and production incident resolution
•Strong communication skills and ability to 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
•iGaming industry experience; backend systems for online casinos, sports betting, gaming platforms, wallets, payment systems, or transaction processing
•Integration of third-party game providers, payment gateways, or other external services
•Practical experience with AI-powered developer assistants such as Cursor or Claude
Conditions
•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