Saiful Islam Rasel

Saiful Islam Rasel

Overview

I am an Assistant Lead Engineer and Product-Centric software professional with 5+ years of experience leading, designing, implementing, and scaling highly reliable distributed systems that serve millions of users.

Experienced in driving cross-functional engineering initiatives, mentoring engineers, and leading technical execution for business-critical products. Passionate about building scalable, maintainable, and resilient systems while aligning engineering decisions with business goals and customer needs.

I always prioritize solving the right business problems before jumping into architecture or implementation. Coming from a “Competitive Programming” background, solving complex technical challenges — whether it’s critical production issues, scalability bottlenecks, or evolving business requirements — comes naturally to me.

When designing and building systems, I focus on:

  • Customer and developer experience
  • Scalability, performance, and reliability
  • Readability and long-term maintainability
  • Engineering excellence and right architecture
  • Delivering business value through practical technical solutions

Top Skills

  • Technical Leadership • Problem Solving • Ownership • Communication • Cross-functional Collaboration
  • Distributed Systems • Software Architecture • Microservices • REST API Design
  • Languages/Frameworks: Spring Boot (Java), Gin (Golang), .NET Core (C#)
  • Databases: PostgreSQL, MySQL, DynamoDB, MongoDB, Redis
  • DevOps/Cloud: Docker, Kubernetes, CI/CD, AWS
  • Frontend: JavaScript, TypeScript, React.js, Next.js, Angular

Experience

  1. bKash Limited
  • Assistant Lead Engineer (January 2026 - Present)
  • Senior Software Engineer (May 2023 - December 2025)
  1. Astha.IT
  • Software Engineer - II (March 2022 - May 2023)
  • Software Engineer - I (March 2021 - February 2022)

Education

B.Sc. in Computer Science and Engineering (CSE)
January 2017 - November 2022
National University, Bangladesh (Institute of Science & Technology, Dhaka)

Need scalable, maintainable software? Let’s talk.

Download Resume: saiful-islam-rasel-resume.pdf