SOURAV ROY

About Me

Senior Software Engineer with 5+ years of experience and maintaining production-grade backend and distributed microservice systems. Proven track record of managing high-concurrency workloads and implementing secure fintech payment solutions. Strong technical depth in Node.js and database optimization with a full-stack capability and an ownership mindset that drives mentoring, engineering excellence, and measurable business outcomes

Skills

Education

• BSc | CSE

  North South University, Dhaka, Bangladesh

  2019

• HSC | Science

  Police Lines School And College, Rangpur, Bangladesh

  2013

• SSC | Science

  Amena Baki Residential Model School & College, Dinajpur, Bangladesh

  2011

Work Experience (5 Years+)

1. US-Bangla Group

   Dhaka, Bangladesh

   3 years+

   Software Engineer

   February, 2023 - Present

   • Worked on a variety of projects as a backend engineering and infrastructure decisions across three high-concurrency, large-scale platforms (45+ microservices): Cartup (multi-vendor e-commerce), Foodi (food delivery system), and a health-tourism application.
   • High-Scale Messaging - Real-time notification system for multiple projects using Kafka, Redis and BullMQ. Integrated with email, SMS and push notifications. Send more than 500k notifications per day.
   • Real-Time Communications - Real-time chat system for multiple projects using socket.io, Redis, MongoDB. Customer support chat system, in-app chat system for multiple projects. Handle more than 10k concurrent users.
   • Fintech Integrations - Integrated 3rd party payment service APIs (Bkash, Nagad, Upay, SSLCOMMERZ, Card Payment) for multiple projects.
   • Observability - Performance tuning by introducing distributed tracing and observability practices via Elastic Stack and Grafana.
   • Overall Tech - Node.js, JavaScript/Typescript, Express, socket.io, Kafka, RabbitMQ, gRPC, Redis, BullMQ, MongoDB, PostgreSQL, Elastic Stack, Grafana

2. Silicon Orchard Ltd.

   Dhaka, Bangladesh

   1 year 2 months

   Software Engineer

   December, 2021 - February, 2023

   • Built Walton distributor management system for the Walton, successfully delivering complex distributor management, centralized price control, and order fulfillment systems.
   • Built a custom product catalog CMS for a client, enabling non-technical staff to manage product listings and content independently
   • Application Development: Developed modular REST APIs and internal CMS engines using Node.js, Express, MySQL, Knex, and Sequelize.

3. Qubexlab

   Dhaka, Bangladesh

   1 year

   Full Stack Software Engineer

   January, 2021 - December, 2021

   • Developed a full-stack e-commerce platform using React, Node.js, Express, and MongoDB/MySQL, handling both frontend UI and backend logic.
   • Built complex single page web application frontend (reports, data visualization & others). Overall Tech stack: TypeScript, React, Redux, React Router, Material UI, React-PDF
   • Mentored junior engineers and interns.

Featured Projects