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Available for senior roles

Sazzad Rume

Senior Software Engineer · React & Next.js specialist

I build fast, production-ready web apps with React, Next.js, TypeScript, and Tailwind.

5+
Years experience
15+
Apps shipped
500K+
Users reached

Currently · Software Engineer @ Holgrex

Sazzad Rume

Works

A selection of work I've built and shipped

Featured ProjectOngoing

Postprism

A social media content management SaaS — compose, adapt, schedule, and publish across 8 platforms from a single editor

Next.js 16React 19TypeScriptSupabaseBullMQTailwindCSS
  • Built end-to-end AI publishing pipeline for 8 social platforms using Claude, GPT-4, and Gemini interchangeably via Vercel AI SDK
  • Engineered background job architecture with BullMQ + Upstash Redis + QStash for reliable scheduled publishing on Vercel Hobby
  • Designed plan-based entitlement system (Solo/Freelancer/Agency) with per-user AI rate limiting and Row Level Security at DB layer

Holgrex

Creating cutting-edge mobile, web, and AI applications that elevate your brand and shape the future of technology

  • Delivered 15+ production applications serving 500K+ users across mobile, web, and AI platforms
  • Reduced client time-to-market by 50% through reusable component libraries and rapid prototyping
  • Achieved 99.9% uptime across all deployed applications with robust monitoring and CI/CD
ReactTypeScriptNext.jsVercelMongoDB

Experience.

Where I've worked and what I've accomplished

Holgrex logo

Holgrex

Senior Frontend Engineer

RemotePresent
  • Led frontend development for modern web and mobile applications, balancing functionality with clean, user-friendly design
  • Built scalable interfaces using React, Next.js, and TypeScript with focus on performance and maintainability
  • Developed real-time analytics dashboards to help client teams monitor key metrics and operational performance
  • Delivered healthcare platform providing quick access to patient data with smoother performance
  • Created reusable design system and component library using Storybook and Tailwind CSS
  • Led frontend efforts on AI-powered SaaS platform with real-time data streams and tool calling
SEBPO logo

SEBPO

Software Engineer

RemotePrevious
  • Reduced frontend load times from 25 seconds to 2 seconds through optimized API calls and caching strategies
  • Created an in-house frontend framework using React and TypeScript, significantly enhancing scalability and performance
  • Led frontend development for SaaS-based school management project, delivering polished and responsive interface on schedule
  • Contributed to automation of application processing and fund management for Youth Ministry of Bangladesh, handling 100,000+ applications
  • Mentored interns and fostered collaborative environment between design team and project managers
D

Decor IT

Software Engineer

RemotePrevious
  • Designed and implemented frontend project architecture using React and TypeScript, providing scalable and reusable structure for team collaboration
  • Developed software engineering course app with intuitive interface, empowering thousands of aspiring engineers in Bangladesh
  • Created frontend for photo restoration app, ensuring seamless user experience as secondary company product
  • Contributed to UI/UX design of fintech product for credit card and bank account information aggregation
  • Built scalable and reusable frontend architecture effectively utilized by fellow team members
Daffodil logo

Daffodil

TA and Problem Solving Instructor

RemotePrevious
  • Enhanced student proficiency in C++, Python, and data structures as a CS teaching assistant, simultaneously honing my own expertise
  • Delivered engaging instruction in C++ and Python programming fundamentals
  • Solved complex data structure and algorithm challenges with students
  • Mentored students in problem-solving techniques and programming best practices

Skills & Technologies

A comprehensive showcase of my technical expertise and years of experience

Core Frontend

React5+ yearsNext.js4+ yearsTypeScript4+ yearsJavaScript5+ yearsTailwind CSS4+ years

Backend & Database

Node.js4+ yearsExpress.js4+ yearsMongoDB4+ yearsREST APIs5+ years

Tools & Deployment

Git5+ yearsDocker4+ yearsVercel4+ yearsAWS4+ years

About

Product-minded engineering with a strong focus on performance, accessibility, and clean design systems.

I'm a senior software engineer with 5+ years building production-grade web applications. I specialize in React and Next.js ecosystems — from greenfield SaaS architecture to AI feature integration and design-system scale.

Performance-first
Lean UI, smooth interactions, fast loads.
Accessibility by default
Keyboard, contrast, semantics, motion.
I'm best at:React + Next.jsTypeScriptDesign systemsUI polish

What you can expect

  • Clean, maintainable UI
    Components that are easy to reuse, extend, and test.
  • Reliable delivery
    Thoughtful tradeoffs, clear communication, predictable execution.
  • Good documentation
    Clear patterns and conventions so teams can move fast.
Let's work together

Contact

Open to opportunities and collaborations

Or email directly at rumesazzad@gmail.com