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Backend Developer

Microslot — Bulgaria · Posted ~21 hours ago

Full-time

Skills

Node.js TypeScript NestJS Express MongoDB Redis REST APIs WebSockets JSON Docker Git Unit testing Integration testing API documentation REST

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Summary ✨ AI‑Generated

Join a backend engineering team building secure, scalable platform services and integrations. You will work with Node.js and TypeScript, develop REST and WebSocket APIs, implement account and authorization services, integrate external providers, optimize MongoDB and Redis usage, and support testing and production deployments.

Highlights

Build secure and scalable backend platform services across accounts, operations, reporting, integrations, and transaction-related capabilities. The role offers broad exposure to APIs, distributed systems, caching, testing, production troubleshooting, and deployment.

Description

Role purpose Build secure, scalable platform services and integrations supporting player accounts, operations, reporting and product features. Key Responsibilities Develop and maintain REST APIs and internal services. Build authentication, authorization and user-account services. Develop wallet ledger, transaction and payment-integration components where legally approved.Create CRM, promotion, affiliate, reporting and risk-service APIs. Integrate third-party game, sportsbook, identity or service providers. Implement caching, queues, logging, validation and error handling. Write unit and integration tests and maintain technical documentation. Support database performance, production debugging and release deployment. Required Technical Skills Node.js and TypeScript  NestJS, Express or similar framework MongoDB data modelling and query optimisation Redis caching and distributed locks  REST APIs, WebSockets and JSON Docker and Git Testing frameworks and API documentation Preferred / Nice-to-Have Experience Kafka or RabbitMQ ClickHouseMicroservices and event-driven architecture Security practices for financial or gaming systems