S M Mahmudur Rahman
Support Specialist
5+ years exp
10+ projects
Node JS
JavaScript
Responsive & Cross-browser: 4/10
Active 2 days ago
+880 (1753) 966696
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Overview
Technical skills
Timeline
Roles
Overview
A frontend UI-focused developer (early-career, middle-level) specializing in building React-based marketing and small product interfaces. The strongest proven skill is building polished, responsive UI components and pages as shown by the Slide carousel, Header conditional auth UI and multiple SCSS component styles (Slide.js, Header.js, Banner.scss). There is little public evidence of advanced state management, testing, performance tuning or server-state patterns.
Technical skills
Node JS• Middle
JavaScript• Middle • 5y+ • 10+ projects
Node JS
Axios
Express
Databases
MongoDB
Frontend
React.js
React Router
Ant Design
Bootstrap
Sass
Vite
ESLint
React Hook Form
Timeline
Technical Support Engineer (WordPress)
•
Middle
Codexpert, Inc.
•
Full-Time
- Provided technical support for WordPress plugins through support tickets, email and customer communication.
- Troubleshot WordPress plugin conflicts, theme compatibility issues, caching problems and hosting related issues.
- Assisted customers with plugin installation, configuration, troubleshooting and usage guidance.
- Reproduced bugs, documented issues clearly and collaborated with developers to resolve technical problems.
- Investigated website issues using browser developer tools, WordPress debugging methods and hosting environments.
- Communicated technical solutions clearly to non-technical users while ensuring positive customer experience.
- Worked closely with QA and development teams to improve support efficiency and product quality.
Chrome DevTools
WordPress
ClickUp
Slack
ChatGPT
WooCommerce
PHP
MySQL
Frontend Developer
•
Middle
Tortalabz Innovations Pvt. Ltd.
•
Full-Time
- Built and implemented intuitive UI screens (Dashboard, Login, Landing pages) using React, React Router, Ant Design, Material UI, and SASS, improving user engagement by 30%.
- Drove seamless integration of RESTful APIs, enhancing data exchange efficiency by 25%.
- Led state management solutions using Redux Toolkit & RTK Query, resulting in a 20% improvement in app performance.
- Participated in daily scrum meetings to discuss project updates and strategies with the team.
- Executed UI/UX design and code functionalities to enhance user experience.
- Collaborated with senior developers to write code from scratch for clients, adhering to standard programming practices using ESLint and tools.
- Integrated various payment gateways, such as Stripe, into web applications.
- Presented development progress and updates to clients during bi-weekly dev-playback sessions.
React.js
Material UI
Sass
Rest API
JavaScript
Chrome DevToolssince 2022
Redux Toolkit
Axios
Bootstrap
Tailwind CSS
Git
Bitbucket
Jira
Figma
Adobe XD
Firebase
Freelance WordPress Developer
•
Middle
Upwork
•
Freelance
- Provided WordPress technical support to international clients via email and direct communication.
- Customized WordPress themes using Elementor and WPBakery based on client requirements.
- Diagnosed and resolved plugin conflicts, theme compatibility issues and frontend bugs.
- Assisted clients with plugin installation, configuration and usage guidance.
- Improved website performance through caching, CDN integration and image optimization.
- Worked with cPanel, FTP and hosting settings to resolve environment related issues.
- Configured and maintained SEO plugins (Yoast, RankMath) and ensured site stability.
WordPresssince 2020
PHPsince 2020
WooCommercesince 2020
MySQLsince 2020
Technical Support Engineer
•
Middle
Smart Technologies Ltd
•
Full-Time
- Provided technical support and issue resolution for customers via phone and in-person assistance.
- Performed hardware diagnostics and testing using official Gigabyte tools to identify faults.
- Updated and maintained product data in ERP systems and internal Gigabyte software.
- Documented technical issues, recurring faults and customer feedback for reporting and follow-up.
- Collaborated with internal teams to ensure accurate troubleshooting and improved service quality.
Dhaka International University
Bachelor's Degree •
Electrical Electronics & Telecommunication Engineering
Middle Frontend Developer
Confidence: Medium UI Engineer
A frontend UI-focused developer (early-career, middle-level) specializing in building React-based marketing and small product interfaces. The strongest proven skill is building polished, responsive UI components and pages as shown by the Slide carousel, Header conditional auth UI and multiple SCSS component styles (Slide.js, Header.js, Banner.scss). There is little public evidence of advanced state management, testing, performance tuning or server-state patterns.
UI Component Architecture
3/10
How interface parts are built
Component-driven UI with many small presentational React components and a simple shared folder layout; limited evidence of deliberate component-system design or custom hooks beyond basic auth wiring.
Evidence
tourx/src/components/Shared/Header/Header.js
tourx/src/components/Home/Slide/Slide.js
tourx/src/components/Home/Footer/Footer.js
Responsive & Cross-browser
4/10
Works on all screens and browsers
Responsive SCSS and CSS with explicit media queries and prefers-color-scheme handling; uses Bootstrap grid and Ant Design classes for cross-browser styling, showing practical responsive work rather than purely static layouts.
Evidence
auto-care-client/src/pages/ServiceDetails/ServiceDetails.scss
auto-care-client/src/pages/Home/Banner/Banner.scss
auto-care-client/src/index.css
Performance Optimization
1/10
Speed of the interface
Minimal performance optimization evidence; no code-splitting, virtualization, measured LCP/INP artifacts or advanced bundling strategies visible.
Evidence
auto-care-client/src/index.css
Accessibility & Semantics
3/10
Usable for everyone
Some accessibility and semantics awareness is present (aria attributes on carousel and navbar toggler, role attributes), but alt text and focus management are inconsistent and there are no CI a11y checks or custom widget ARIA implementations.
Evidence
tourx/src/components/Home/Slide/Slide.js
tourx/src/components/Shared/Header/Header.js
tourx/src/components/Home/Footer/Footer.js
State Management & Data Flow
2/10
Managing data in the app
Basic client state handling and auth integration via context/hooks plus simple axios usage; lacks advanced server-state discipline such as request cancellation, optimistic updates, cache invalidation or state machines.
Evidence
tourx/src/context/AuthProvider.js
tourx/src/components/AddPackage/AddPackage.js
tourx/src/components/RequireAuth/RequireAuth.js
UX & Visual Polish
3/10
Look and feel quality
Good visual polish for simple marketing and landing pages (carousel, cards, styled banners) and consistent styling, but lacks robust UX patterns like skeleton loading, explicit empty/error states or undo flows.
Evidence
tourx/src/components/Home/Slide/Slide.js
tourx/src/components/Home/Blogs/Blogs.js
auto-care-client/src/pages/Home/Banner/Banner.scss
Expertise
React• Junior
HTML & CSS• Middle
Frontend Architecture & Build Tools• Junior
Industries
Travel & Tourism• Middle
Technologies
Node JS• Middle
Bootstrap
React.js
Vite
Axios
Ant Design
Sass
ESLint
React Hook Form
React Router
Recommendations
- Build responsive marketing sites and small-business dashboards using React and Bootstrap or Ant Design where polished UI and routing are primary requirements.
- Implement small to medium React apps with Firebase authentication and axios-backed APIs, focusing on improving server-state handling (caching, request cancellation, optimistic updates).
- Expand work on component libraries and design-system pieces (shared tokens, accessible primitives, documented stories) to demonstrate deliberate component architecture and reusability.
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories:
Junior QA Engineer
Confidence: Low Generalist
Frontend developer (junior) focused on building small React/Vite client applications with practical familiarity in configuring frontend tooling and cloud SDKs. The strongest proven skill is frontend integration and app scaffolding as shown by firebase.config.js and eslint.config.js in human-authored source files. There is little or no public evidence of test automation, CI test integration, backend service design, or performance testing expertise.
Test Automation Frameworks
Building automated tests
Not evidenced in public code
Test Coverage & Strategy
What and how to test
Not evidenced in public code
API & Integration Testing
Testing how parts work together
Not evidenced in public code
Performance & Load Testing
Testing speed under load
Not evidenced in public code
Bug Reporting & Analysis
Finding and describing bugs
Not evidenced in public code
CI Test Integration
Running tests automatically
Not evidenced in public code
Industries
Commerce• Junior
Recommendations
- Develop polished React UI features and Ant Design component integrations for single-page apps.
- Implement automated tests and test infrastructure - start with unit tests and CI pipelines to build a test habit.
- Own Firebase integrations (auth/storage/firestore) and client-side data flows for consumer-facing applications.
- Contribute to build and lint automation (ESLint, Vite) and add typed contracts or schema checks for API integration.
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories:
Intern Backend Developer
Confidence: Medium Generalist
Frontend-focused developer at a junior level specializing in building React single-page interfaces. The strongest proven skill is crafting modular React UI components, evidenced by components such as mahmudurbd/tourx/src/components/Shared/Header/Header.js and mahmudurbd/tourx/src/components/Home/Slide/Slide.js. There is no public server-side API implementation, migration history, or production-grade resilience and observability present in the analyzed human-authored files.
API Design
1/10
How well APIs are designed
Minimal API design evidence; only a client-side Firebase initialization with env-based config is present and there are no documented API contracts, versioning, or idempotency patterns.
Data Layer & Database
1/10
Working with databases
No backend data-layer artifacts, migrations, or tuned queries; only client Firebase configuration is present so there is no evidence of transactional or schema-evolution decisions.
Scalability & Performance
1/10
Handling load and speed
No measurable scalability or performance engineering; only build tooling is present (no caching strategies, queues, connection pooling, or load-testing artifacts).
System Architecture
2/10
Overall system structure
Basic module boundaries in a React component hierarchy are evident, showing UI decomposition, but there is no evidence of deliberate service decomposition, graceful degradation, or config/secret management beyond client env vars.
Security & Auth
2/10
Protecting data and access
Client-side authentication/configuration hygiene is modestly addressed via environment-backed Firebase config and useAuth imports, but there is no server-side auth lifecycle, token revocation, or boundary validation shown.
Reliability & Observability
1/10
Stability and monitoring
Little to no observability or resilience practices are present; the code includes linting configuration which indicates attention to code quality but no timeouts, retries, structured logging, or metrics.
Expertise
Node.js• Intern
Microservices & API Architecture• Intern
Databases & Vector Storage• Intern
Industries
Travel & Tourism• Junior
Technologies
MongoDB
Express
Recommendations
- Develop responsive React UI features and component libraries for single-page applications.
- Implement simple REST APIs using Node.js and Express with explicit versioning, input validation, and database migrations for MongoDB.
- Add basic production hygiene: structured logging, health checks, timeouts, and simple retry strategies plus CI checks and linting enforcement.
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories: