
shahsultan joy
Software Engineer and Full Stack Web and Mobile App Developer
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Backend developer
bdCalling • Temps plein
Jul 2025 - Jun 2026 • 11 mos
Developed scalable backend services using NestJS, Node.js, and TypeScript. Designed and implemented secure RESTful APIs. Built authentication and authorization with JWT, OAuth, and role-based access control. Worked with PostgreSQL, MySQL, MongoDB, and Redis. Integrated third-party APIs, payment gateways, and notification services. Used RabbitMQ for asynchronous message processing and microservices communication. Built and maintained Docker containers and deployment pipelines. Collaborated with frontend developers (React/React Native) to deliver production-ready applications. Optimized database queries, improving application performance. Participated in code reviews, testing, and Agile/Scrum development. Technologies: NestJS • Node.js • TypeScript • PostgreSQL • MySQL • MongoDB • Redis • RabbitMQ • Docker • JWT • Git • REST API • Microservices • Swagger • AWS/VPS
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ronaldrnichols

États-Unis
I recently worked with Shahsultan Islam Joy on a mobile app project, and the experience was excellent from start to finish. Communication was prompt, professional, and clear throughout the project, making the collaboration smooth and efficient. The work was delivered on time, the code quality was solid,...