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I’m Muhammad Mahabubur Rahman, a senior software engineer based in Dhaka with 13+ years of experience building high-scale SaaS, healthcare, and eCommerce platforms. I specialize in data-intensive systems, background processing, integrations, and multi-tenant architectures—bringing reliability and performance to production workflows. In my recent roles, I’ve built resilient Rails integration frameworks for external ERP data flows (using PostgreSQL, Sidekiq, idempotency, and checkpointing) and implemented data import pipelines that significantly reduced onboarding time while improving data integrity. I enjoy collaborating across distributed engineering teams to scope, deliver, test, document, and transition features smoothly from development to production.…I’m Muhammad Mahabubur Rahman, a senior software engineer based in Dhaka with 13+ years of experience building high-scale SaaS, healthcare, and eCommerce platforms. I specialize in data-intensive systems, background processing, integrations, and multi-tenant architectures—bringing reliability and performance to production workflows. In my recent roles, I’ve built resilient Rails integration frameworks for external ERP data flows (using PostgreSQL, Sidekiq, idempotency, and checkpointing) and implemented data import pipelines that significantly reduced onboarding time while improving data integrity. I enjoy collaborating across distributed engineering teams to scope, deliver, test, document, and transition features smoothly from development to production.

Muhammad Mahabubur Rahman

Full Stack Developer, Software Engineer, Back-End Developer, +1

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I’m Muhammad Mahabubur Rahman, a senior software engineer based in Dhaka with 13+ years of experience building high-scale SaaS, healthcare, and eCommerce platforms. I specialize in data-intensive systems, background processing, integrations, and multi-tenant architectures—bringing reliability and performance to production workflows. In my recent roles, I’ve built resilient Rails integration frameworks for external ERP data flows (using PostgreSQL, Sidekiq, idempotency, and checkpointing) and implemented data import pipelines that significantly reduced onboarding time while improving data integrity. I enjoy collaborating across distributed engineering teams to scope, deliver, test, document, and transition features smoothly from development to production.…I’m Muhammad Mahabubur Rahman, a senior software engineer based in Dhaka with 13+ years of experience building high-scale SaaS, healthcare, and eCommerce platforms. I specialize in data-intensive systems, background processing, integrations, and multi-tenant architectures—bringing reliability and performance to production workflows. In my recent roles, I’ve built resilient Rails integration frameworks for external ERP data flows (using PostgreSQL, Sidekiq, idempotency, and checkpointing) and implemented data import pipelines that significantly reduced onboarding time while improving data integrity. I enjoy collaborating across distributed engineering teams to scope, deliver, test, document, and transition features smoothly from development to production.

Available to hire

I’m Muhammad Mahabubur Rahman, a senior software engineer based in Dhaka with 13+ years of experience building high-scale SaaS, healthcare, and eCommerce platforms. I specialize in data-intensive systems, background processing, integrations, and multi-tenant architectures—bringing reliability and performance to production workflows.

In my recent roles, I’ve built resilient Rails integration frameworks for external ERP data flows (using PostgreSQL, Sidekiq, idempotency, and checkpointing) and implemented data import pipelines that significantly reduced onboarding time while improving data integrity. I enjoy collaborating across distributed engineering teams to scope, deliver, test, document, and transition features smoothly from development to production.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior Software Engineer at SmartFinancial, USA (Remote)

April 1, 2026 - Present

Built a resilient Rails integration framework for external ERP data flows using PostgreSQL and Sidekiq, with staging, retries, idempotency, and checkpointing. Implemented revenue and cost ingestion APIs plus operational observability for reliable production support and handoffs. Collaborated with distributed engineering teams to scope, deliver, test, document, and transition production work.

Full Stack Software Engineer at Zavy360, Australia (Remote)

October 1, 2024 - May 1, 2026

Designed and implemented multiple medical data import pipelines for different customers and systems, reducing onboarding time by 60%. Processed large volumes of clinical data using background jobs with Sidekiq and Redis. Improved data integrity and reduced import failures by 80% through stronger validation and resilient job handling.

Software Engineer at Whitesprecr e SLU, Spain (Remote)

May 1, 2021 - September 1, 2024

Worked remotely across multiple projects and companies, contributing as a Ruby on Rails and full stack developer. Examples include: Sea bily AB (Rails + Hotwire) where I led core features such as Learning Paths, SCORM, and FastJSON APIs and helped improve sales through performance and feature improvements; and Hubble_s help s to support behavioral-science driven initiatives at scale.

Software Developer at Space Squircle Ltd., UK (Remote)

January 1, 2018 - December 1, 2020

Developed Shopify apps and backend-focused features across multiple time zones, using Zoom/Slack as part of the workflow. Worked on photo gallery and image-related capabilities (Covet.pics, Cr ush.pics) and built a partner dashboard that allowed referrals to claim commissions and withdraw earnings.

Software Engineer at WellDev Bangladesh Ltd., Dhaka, Bangladesh

June 1, 2015 - December 1, 2017

Led team development for an internet booking engine and agent management application. Worked on eCommerce and fashion brand platform features, contributing to solid, production-ready implementations and mentoring junior developers as part of the engineering process.

Software Engineer at N ascen ia Ltd., Dhaka, Bangladesh

September 1, 2012 - May 1, 2015

Started learning Ruby and Ruby on Rails and worked full-time as a full stack developer on Ruby on Rails applications, including an IoT device web application for LockState Connect.