Sofikul Mallick

About Sofikul Mallick

12+ years of experience as a associate staff engineer (backend). Have extensive knowledge…

Experience

1. Associate Staff Engineer

   Code and Theory

   May 2022 — Present

   Note: Y Media Labs has been acquired by Code and Theory.My role at Code and Theory involves- Designed and developed scalable backend services using Node.js, NestJS, Express.js, with MongoDB, PostgreSQL, DynamoDB, and AWS as core infrastructure components- Led the architecture, development, and scaling of high-performance eCommerce systems, supporting high-traffic environments- Spearheaded end-to-end product development, from requirement analysis to design, coding, and testing, ensuring timely and high-quality delivery- Designed and implemented critical backend modules (e.g, core, profile, business, programs) with a focus on modularity, maintainability, and performance- Built custom services, including a URL shortener and GraphQL APIs, to improve usability and enable seamless integration across systems- Developed Client SDKs in Java, TypeScript using AWS Smithy, contributing to a unified developer experience across platforms- Conducted proofs of concept (PoCs) for emerging technologies like AWS Smithy, evaluating their fit for enterprise use- Implemented robust authentication and authorization systems, ensuring secure, role-based access control for sensitive applications- Integrated AI-driven chat functionality into backend systems using OpenAI models, enabling intelligent, real-time conversations- Wrote comprehensive unit tests using Jest, maintaining code quality and supporting continuous integration pipelines- Collaborated with cross-functional teams to migrate legacy systems, modernizing infrastructure and enhancing reliability and performance.

Education

• Madhubati Surabala Vidyamandir

  High School

  2000 — 2008

• Narula Institute Of Technology

  Engineer’s Degree

  2008 — 2012