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I am a Backend Developer with 2 years of experience at Celebal Technologies, specializing in building scalable and high-performance server-side applications. I am proficient in NestJS, microservices architecture, and PostgreSQL, with a strong focus on designing efficient APIs and solving complex database queries. I am adept at developing clean, maintainable code and collaborating in teams. I continuously upskill, growing expertise in Full Stack development and Generative AI, bringing a well-rounded perspective to software engineering and product delivery. Throughout my career, I have worked extensively with Node.js, databases like MongoDB and PostgreSQL, and integrated third-party APIs to ensure system performance, security, and scalability. My projects span employee timesheet management, AI-powered code conversion platforms, and full-stack web applications focused on user experience and data transparency.…I am a Backend Developer with 2 years of experience at Celebal Technologies, specializing in building scalable and high-performance server-side applications. I am proficient in NestJS, microservices architecture, and PostgreSQL, with a strong focus on designing efficient APIs and solving complex database queries. I am adept at developing clean, maintainable code and collaborating in teams. I continuously upskill, growing expertise in Full Stack development and Generative AI, bringing a well-rounded perspective to software engineering and product delivery. Throughout my career, I have worked extensively with Node.js, databases like MongoDB and PostgreSQL, and integrated third-party APIs to ensure system performance, security, and scalability. My projects span employee timesheet management, AI-powered code conversion platforms, and full-stack web applications focused on user experience and data transparency.

Shabbir Hassan

Back-End Developer, Full Stack Developer, Developer, +2

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I am a Backend Developer with 2 years of experience at Celebal Technologies, specializing in building scalable and high-performance server-side applications. I am proficient in NestJS, microservices architecture, and PostgreSQL, with a strong focus on designing efficient APIs and solving complex database queries. I am adept at developing clean, maintainable code and collaborating in teams. I continuously upskill, growing expertise in Full Stack development and Generative AI, bringing a well-rounded perspective to software engineering and product delivery. Throughout my career, I have worked extensively with Node.js, databases like MongoDB and PostgreSQL, and integrated third-party APIs to ensure system performance, security, and scalability. My projects span employee timesheet management, AI-powered code conversion platforms, and full-stack web applications focused on user experience and data transparency.…I am a Backend Developer with 2 years of experience at Celebal Technologies, specializing in building scalable and high-performance server-side applications. I am proficient in NestJS, microservices architecture, and PostgreSQL, with a strong focus on designing efficient APIs and solving complex database queries. I am adept at developing clean, maintainable code and collaborating in teams. I continuously upskill, growing expertise in Full Stack development and Generative AI, bringing a well-rounded perspective to software engineering and product delivery. Throughout my career, I have worked extensively with Node.js, databases like MongoDB and PostgreSQL, and integrated third-party APIs to ensure system performance, security, and scalability. My projects span employee timesheet management, AI-powered code conversion platforms, and full-stack web applications focused on user experience and data transparency.

Available to hire

I am a Backend Developer with 2 years of experience at Celebal Technologies, specializing in building scalable and high-performance server-side applications. I am proficient in NestJS, microservices architecture, and PostgreSQL, with a strong focus on designing efficient APIs and solving complex database queries. I am adept at developing clean, maintainable code and collaborating in teams. I continuously upskill, growing expertise in Full Stack development and Generative AI, bringing a well-rounded perspective to software engineering and product delivery.

Throughout my career, I have worked extensively with Node.js, databases like MongoDB and PostgreSQL, and integrated third-party APIs to ensure system performance, security, and scalability. My projects span employee timesheet management, AI-powered code conversion platforms, and full-stack web applications focused on user experience and data transparency.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Software Engineer at Celebal Technologies

July 1, 2023 - Present

Worked as a Backend Developer responsible for designing, developing, and maintaining robust server-side applications. Built APIs, optimized database queries, integrated third-party services, and ensured system performance and scalability. Primarily used Node.js, NestJS, PostgreSQL, TypeORM, SQL, MongoDB, and collaborated closely with frontend teams to maintain code quality, security, and version control. Contributed to deployment on cloud platforms such as Azure and AWS.

Backend Developer (Projectile) at Celebal Technologies

March 1, 2025 - Present

Developed and maintained microservices using NestJS and Sequelize to manage employee timesheets and engagement details with secure, scalable APIs. Implemented normalized database structures in MSSQL, optimized API response times, and secured data handling via AES encryption. Maintained high code quality with comprehensive unit testing using JEST.

Backend Developer (Greenprint AI) at Celebal Technologies

March 1, 2025 - September 3, 2025

Built secure and scalable backend services using NestJS in a microservices architecture, implementing B2C authentication, API Gateway, and clean API design for seamless frontend integration and regulatory compliance. Managed PostgreSQL database operations to efficiently process complex sustainability disclosures and ESG result calculations. Integrated third-party APIs to enhance ESG reporting and data transparency on the Greenprint AI platform.

Backend Developer (VISA AI Model) at Celebal Technologies

March 1, 2024 - September 3, 2025

Developed backend services using Node.js enabling AI-driven code conversion between languages like PySpark and DBSQL with approximately 75% accuracy. Integrated MSSQL, MongoDB, Swagger, and Socket.io to support real-time communication, code analysis, and detailed reporting. Deployed the application across Azure, Databricks, and on-premise platforms using CI/CD pipelines, ensuring scalability and reliability.

Full Stack Developer (Moviesdesk) at Self Project

May 1, 2025 - September 3, 2025

Developed a full stack web application as an ultimate destination for movies and TV shows, enabling users to browse, download, and watch content in high quality. Integrated third-party APIs to fetch streaming links and managed load balancing with Nginx for efficient traffic handling. Ensured content was linked only to existing third-party sources, focusing on educational use and compliance with content policies.