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MD Iyasin Arafat

@mdiyasinarafat

Results-driven Senior Software Engineer with 6+ years of experience building and scaling high-traffic systems. Specialized in backend engineering, mic

Bangladesh

Message

I've built and scaled backend platforms for Grameenphone, LULUBUY, DIDIT, DiscoEat, and Brain Station 23. At Grameenphone, I lead five developers building GPFI tools and microservices serving 20M+ monthly active MyGP users, reducing errors by 15% and improving admin-panel performance by 25%.

I've delivered e-commerce, self-checkout, CRM, IoT, and mobile API products, including supplier integrations for 1M+ products, APIs handling 2K+ daily restaurant orders, and MYBL APIs supporting 5M+ users. I enjoy leading distributed teams and building reliable systems with Node.js, Nest.js, Laravel, cloud infrastructure, and modern CI/CD practices.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Grameenphone

Jun 2024 - Present (2 years 2 months)

Leading a team of 5 developers to build GPFI webview integration, an admin panel, and Android-based FI network testing tools, reducing manual field testing and improving rollout reliability. Serving GPFI to 20K+ users nationwide, achieving 159% user and 132% revenue growth by Q3 2025 through automation.

Next.js Cassandra Redis MySQL RabbitMQ Docker Jenkins Kubernetes ELK Stack

Senior Software Engineer

LULUBUY

Mar 2023 - Jan 2024 (10 months)

Led a team of 5 developers to design and build the backend architecture for TALISMIK and LULUBUY (raised $5.5M), covering product listings, cart, order flow, and Stripe-based payments and invoicing. Drove 30%+ sales growth by integrating 50+ supplier feeds covering 1M+ products, powering a global e-commerce distribution platform serving 250+ suppliers.

PHP (Laravel)Vue.Js Docker Elasticsearch MemCached MySQL

Senior Software Engineer

DIDIT & DiscoEat

Nov 2021 - Oct 2022 (11 months)

Core engineer at DIDIT self-checkout system (raised $5M). Built APIs for 20+ restaurants handling 2K+ daily orders. Integrated POS & payment APIs, added caching & exception handling for reliability. Contributed to DiscoEat, improving APIs for 700+ restaurants with 60K+ users.

PHP (Laravel)Docker Elasticsearch MemCached MySQL AWS

Senior Software Engineer

Advantage Group

Jun 2021 - Oct 2021 (4 months)

Built features for superagency.io, a CRM + website builder for 1K+ users & 10K+ websites. Developed discover360.app (raised $100K) from scratch: API, referral system, and Stripe recurring billing.

PHP (Laravel)Laravel Nova Algolia Vue.Js Inertia.Js Redis MySQL

Software Engineer

Brain Station 23 Ltd

Oct 2019 - May 2021 (1 year 7 months)

Enhanced IoT2Market.com, improving performance from 30% to 90%+. Developed APIs for the MYBL mobile app (5M+ users). Contributed to the nSales A/S admin panel for 190+ e-commerce companies.

PHP (Laravel)Vue.Js Algolia Redis MySQL AWS