Full Stack Engineer

**Requirements:** * Strong experience with Java (Spring Boot) or Node.js. * Expertise in building microservices and RESTful APIs. * Experience RESTful/GraphQL APIs for distributed systems and IoT integrations. * Experience working with transactional systems (payments, fintech, or high-volume systems preferred). * Solid knowledge of databases: PostgreSQL, MySQL, or NoSQL (MongoDB). * Hands-on experience with Angular (v10+). * Strong proficiency in TypeScript, JavaScript, HTML, CSS. * Experience building responsive and high-performance UIs. * Understanding of event-driven architecture (Kafka, RabbitMQ, etc.). * Experience integrating with third-party APIs and payment gateways. * Knowledge of authentication/authorization (OAuth2, JWT).