Mr. Rofiq Rahman
Full-Stack Product Engineer · React, Next.js, Node.js
Dhaka, Bangladesh
Summary
Seven years building and maintaining web products end to end. Currently leading the web team at Cobalt Labs, shipping operations software used daily by restaurants and clinics.
At a glance
- 7+
- Years shipping production software
- 40+
- Projects delivered end to end
- 12
- Product teams worked with
- 98
- Average Lighthouse performance score
Experience
Lead Web Engineer · Cobalt Labs
Dhaka, Bangladesh (Hybrid)
Lead the web team of five building operations software for restaurants and clinics. Own the front-end architecture, the release process and the hiring bar.
- Shipped the Cobalt POS dashboard now used daily by 180 restaurants
- Cut the median deploy from 40 minutes of manual checks to a 7-minute pipeline
- Introduced a shared component library that removed roughly 11,000 lines of duplicated UI code
- Mentored two juniors to mid-level; both still on the team
Frontend Engineer · Bayleaf Commerce
Remote (United Arab Emirates)
Rebuilt a speciality grocery storefront as a headless Next.js front end and owned its performance budget through two peak seasons.
- Took mobile LCP from 4.6 s to 1.1 s and Lighthouse performance from 34 to 97
- Raised mobile checkout completion by 22% over one quarter
- Built the editor tooling that let the content team publish categories without a developer
- Kept the site up through two Ramadan peaks at roughly 9× normal traffic
Skills
Languages
- TypeScript95 percent
- JavaScript95 percent
- SQL80 percent
- Python55 percent
Frontend
- React95 percent
- Next.js95 percent
- Tailwind CSS92 percent
- shadcn/ui
Selected work
- Bayleaf — headless commerce storefront
A Next.js storefront for a speciality grocer doing around 4,000 orders a month. Rebuilt from a sluggish theme into a headless front end with a 1.1 s largest contentful paint on mobile.
Next.js · TypeScript · React · Tailwind CSS · Stripe · Redis
- Cobalt POS — restaurant operations dashboard
A point-of-sale and operations dashboard used by 180 restaurants across three cities. Orders, kitchen display, table management, stock and daily reporting in one screen that staff can learn in a shift.
React · TypeScript · Next.js · NestJS · PostgreSQL · Socket.IO
- Meallift — food delivery app and courier panel
A two-sided delivery product: an ordering app for customers and a dispatch panel for couriers, with live tracking, zone-based pricing and a settlement report restaurant owners actually trust.
React · Node.js · Express · MongoDB · Socket.IO · Mapbox
- Lumen Learn — course platform front end
A course catalogue and lesson player for an online school, built on Next.js with server rendering, bilingual content and structured data that put courses into Google's rich results.
Next.js · TypeScript · React · Tailwind CSS · shadcn/ui · Redux Toolkit
Education
BSc in Computer Science & Engineering
Bangladesh University of Engineering & Technology
Focused on distributed systems and human–computer interaction. Final-year project was a real-time collaborative editor built on operational transforms.
Certifications
Amazon Web Services
Serverless application design, deployment pipelines and IAM in practice.
IAAP
WCAG 2.2 conformance, assistive-technology testing and accessible component patterns.
Achievements
Speaker — “Performance budgets that survive contact with a deadline”
Dhaka JS Conference
A 30-minute talk on keeping a performance budget alive once the feature requests start arriving.
GitHub
Maintain a small set of React form and table utilities used in production by several teams.