Md. Mahafujur Rahaman Masud — Building productsthat turn complexsystems into simpleexperiences.

• Product
  Development

  End-to-end product development from concept to launch, with a focus on scalable, maintainable, and user-centric solutions.

  • Product Strategy & Planning
  • Web & Mobile Application Development
  • MVP Development
  • Product Scaling
  • Ongoing Technical Support

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• Technical
  Leadership

  Leading and mentoring engineering teams, setting technical direction, and ensuring high engineering standards.

  • Team Building & Hiring
  • Engineering Process & Culture
  • Technical Architecture Review
  • Cross-functional Collaboration
  • Mentorship & Career Growth

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• System
  Architecture

  Designing scalable, secure, and high-performance system architectures tailored to business goals.

  • Scalable Architecture Design
  • Cloud-Infrastructure (AWS, GCP)
  • Performance Optimization
  • Security Best Practices
  • System Modernization

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• Automation
  & AI Solutions

  Building automation and AI-powered solutions to improve efficiency, reduce manual work, and unlock new opportunities.

  • Business Process Automation
  • AI-Powered Tools & Integrations
  • Custom CRM & Internal Tools
  • Data Processing & Analytics
  • Workflow Optimization

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1. Discover

   A focused sprint to map the problem, the user, and the smallest valuable cut—surfacing constraints early when mobile, offline, browser extensions, or multi-channel delivery matters.

   I leave you with a written scope and a clear plan.

   What you get03 deliverables

   • Scope brief
   • Architecture sketch
   • Risk map

   “

   Shopkeepers, roommates and families tracked who owes whom in notebooks and chats — so the app became offline-first and Bengali-first.

   View project

2. Design

   Quiet, considered interfaces — flows and layouts anchored to the real data model, not placeholder copy.

   Implementation-ready specs and reusable patterns; I partner with designers when the project calls for deeper visual craft.

   What you get03 deliverables

   • Flow & UI specs
   • Component patterns & tokens
   • Interactive prototype

   “

   Owned how design became production UI — ATS-ready templates, resume and checker flows, and the marketing site, kept consistent.

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3. Build

   Weekly shippable increments. TypeScript end-to-end—from web apps to React Native—with offline-first and sync paths when the product demands them.

   Tested where it matters, with previews you can try each week.

   What you get03 deliverables

   • Production app
   • CI/CD pipeline
   • Weekly previews

   “

   Next.js dashboard, NestJS APIs, React Native apps and a Chrome extension — shipped on one set of shared contracts.

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4. Scale

   Once it's live, I tune what real users hit—performance, observability, and the next set of bets backed by data.

   What you get03 deliverables

   • Monitoring
   • Performance tuning
   • Roadmap iteration

   “

   p95 inbox latency down from 1.4s to 220ms, with the inbox handling 1M+ messages a month (shipped as LeadSync.ai).

   View project

1. 

   GrowVine Tech

   From · May

   2026

   Co-founder & CTO

   To

   Now

   • Co-founder
   • Uttara, Dhaka 1230

   Co-founded GrowVine to take B2B companies from vision to growth — websites, custom software, mobile apps, and white-label outreach automation. I own the technical side: architecture standards, the engineering team, and how work actually gets delivered.

   Find GrowVineWebsite

   Key contributions · 06

   Co-founder & CTO

   • Set technical direction and architecture standards across every client engagement
   • Own the white-label B2B automation platform — LinkedIn and email outreach, lead sourcing, CRM workflows, and reporting
   • Build and lead the engineering team: hiring, code review culture, and mentorship
   • Run technical scoping and solution architecture for prospective B2B clients pre-sale
   • Define the delivery process — CI/CD, release cadence, and quality bar across web, mobile, and automation
   • Steer the stack: React, Next.js, TypeScript, Node.js, Flutter, and cloud infrastructure on AWS and GCP
2. 

   LeadWelcome

   From · Sep

   2026

   Senior Software Engineer

   To

   Now

   • Contract
   • Remote

   I build the parts of LeadWelcome its customers touch: the mobile app, the browser extension, and the integrations that feed the platform.

   Find LeadWelcomeWebsiteLinkedIn

   Key contributions · 04

   Senior Software Engineer

   • Shipped the LeadWelcome Card Scanner for Android and iOS (React Native, Expo, TypeScript) — business cards and event badges captured at a trade fair stand, fully offline, in six languages. Live on Google Play
   • Wrote the field extraction behind it: deterministic rules that read a card from its layout rather than its words — 9 of 9 event badges and 15 of 16 business cards read correctly from photos taken at an angle, upside down and in poor hall light
   • Shipped LeadWelcome for Chrome: adds the LinkedIn profile you are viewing to LeadWelcome in one click. Live on the Chrome Web Store
   • Building website visitor tracking on the .NET backend — companies identified on a customer's own site become leads, matched against the campaigns they already belong to
3. 

   LeadSync.ai

   UpgradedMid → Senior

   From · Apr

   2026

   Senior Software Engineer

   To · May

   2026

   • Full-time
   • Remote · Republic Plaza

   Senior scope across web, backend, mobile, and extension — mentoring, architecture for multichannel outbound, and sustainable releases on every surface.

   Key contributions · 03

   Senior Software Engineer

   • Lead delivery when features span Next.js, services layer, React Native, and Chrome extension
   • Shape API and integration design so extension, mobile, and web honor the same tenancy and limits
   • Mentorship, reviews, and raising quality bar across stacks and regressions
4. 

   LeadSync.ai

   From · May

   2025

   Mid Software Engineer

   To · Apr

   2026

   • Full-time
   • Remote · Republic Plaza

   Shipped LeadSync across frontend, backend, mobile app, and Chrome extension — dashboard and inbox UX, services and integrations, and clients that share one sequencing model.

   Upgraded next: Senior Software Engineer

   Key contributions · 03

   Mid Software Engineer

   • Built sequences, inbox, and CRM-connected flows on web and extension surfaces
   • Implemented and consumed APIs from backend services for mobile and dashboard features
   • Tuned UX and reliability on high-traffic dashboard, extension, and app paths
5. 

   VioResume

   From · Feb

   2024

   Frontend Lead

   To · May

   2025

   • Full-time
   • Remote

   Frontend lead at VioResume — AI resume builder and job matcher. Owned the Next.js layer end-to-end: templates, resume flows, checker entry points, marketing surfaces, and how design became production UI.

   Find VioResumeWebsiteLinkedIn

   Key contributions · 04

   Frontend Lead

   • Led frontend practice — architecture, patterns, and delivery quality for all Next.js surfaces
   • Shipped ATS-focused authoring, checker flows, matching UX, and calm marketing aligned with design
   • Mentored contributors and coordinated with backend on AI-guided flows and product narrative
   • Kept responsiveness, accessibility, and template consistency cohesive across app and marketing
6. 

   Codeact Soft

   From · Jan

   2023

   Software Engineer

   To · Feb

   2024

   • Full-time
   • Onsite · Dhanmondi

   Shipped multiple products across frontend, backend, and mobile — Next.js/React web apps, Node.js services (Express, Prisma, MySQL), and React Native apps in production.

   Find CodeactLinkedIn

   Key contributions · 05

   Software Engineer

   • Owned frontend UI, backend APIs, and mobile clients for Renesa Bazar, Superstructure, Hej Care, and Pet Obsession
   • Stack mix: Next.js, TypeScript, Redux on web; Node.js, Express, Prisma, MySQL on server; React Native on mobile
   • Delivered two production mobile apps with aligned backend contracts and release cadence
   • Contributed to Tech-Concies — large-scale initiative spanning web services and clients
   • Performance, scalability, and UX improvements across frontend, backend, and app surfaces
7. 

   Aide Business Solution

   From · Jan

   2022

   MERN Stack Developer

   To · Jan

   2023

   • Full-time
   • Remote

   Junior MERN engineer on an e-commerce ERP dashboard — Next.js and Tailwind on the front, Node.js, Express, and MongoDB on the back.

   Find AideFacebook

   Key contributions · 04

   MERN Stack Developer

   • Built ERP dashboard with Next.js, React, and Tailwind CSS
   • Backend APIs with Node.js, Express, TypeScript, and Mongoose
   • Partnered with design to ship responsive, user-friendly interfaces
   • Led and mentored interns toward milestones and delivery quality

About

Build solutions.
Solve real problems.
Create impact.

I am a results-driven engineer with over 5 years of experience building high-scale SaaS products, production APIs, and cross-platform mobile apps. As Co-founder and CTO at GrowVine Tech, I now set technical direction and lead the engineering team — while still writing the code I ask others to review.

Specialized in React/Next.js, Node/NestJS, React Native, and AWS cloud infrastructure.

5+

Years building

30+

Products shipped

CTO

GrowVine Tech

Think clearly. Build quietly. Ship what lasts.

How I work

View resumeLet’s talk