Hi, I'm

Mohamed Sajib (Sajeeb Ahmed)Web & SEO Executive · Full-Stack Web Developer

Web & SEO Executive and Full-Stack Web Developer with 4+ years of experience building scalable web applications, optimizing digital experiences, and driving online growth. Expertise spans full-stack development (MERN & Java), technical SEO, enterprise web solutions, and digital brand communications — solving complex technical challenges and building products that combine excellent user experience with measurable business impact.

View my work Download résumé

Scroll to explore

About

A little about me

Location

Tejgaon, Dhaka, Bangladesh

Availability

Available for freelance work

Connect

Years Experience

80+

Trainees Mentored

Completed Projects

Satisfied Clients

Services

How I can help

Database Development

Custom Software Development

Web Development

Search Engine Optimization (SEO)

SaaS Development

Web Design

Enterprise Content Management

User Experience Design (UED)

IT Consulting

Skills

Tools & technologies I work with

Full-Stack Development

92%

React.jsJavaScript (ES6+)TypeScriptNode.jsExpress.jsHTML5CSS3SassTailwind CSSBootstrap 5

Enterprise & Backend

85%

JavaJSPJ2EELiferay DXPREST APIs

Databases

80%

MySQLMongoDBOracle Database

SEO & Web Performance

85%

Technical SEOGoogle AnalyticsGoogle Search ConsolePerformance Optimization

CMS & Platforms

75%

WordPressEnterprise Content ManagementLiferay DXP 7.4

Tools & DevOps

88%

GitGitHubDockerViteWebpackVercelFirebaseLinuxVS Code

Design Tools

75%

FigmaCanvaAdobe ExpressSketchVistaCreate

Other

78%

AI-Assisted DevelopmentPrompt EngineeringDigital MarketingBrand CommunicationsUI/UX

Experience

Where I've worked

Executive — Web & SEO, Brand & Communications

Harrington (Blitzkrieg Group) · Dhaka, Bangladesh

Jul 2026 — Present

Lead the organization's web presence, developing, optimizing, and maintaining high-performance digital platforms that support business growth and brand visibility.
Collaborate with cross-functional teams to deliver user-focused web solutions and execute technical SEO strategies.
Drive website performance optimization, search visibility, content management, and digital branding initiatives using modern web technologies and data-driven insights.
Contribute to strategic digital initiatives through full-stack development, analytics, and AI-assisted workflows.

Course Instructor — Web Design & Development

Chittagong Hill Tracts Development Board (CHTDB) · Chattogram, Bangladesh

Aug 2025 — May 2026

Delivered intensive Web Design & Development training to 80+ trainees across multiple batches under the CHTDB ICT Skills Development Project.
Designed and delivered a curriculum covering HTML5, CSS3, Bootstrap, JavaScript (ES6), React.js, Git, GitHub, and responsive design best practices.
Mentored trainees through project-based learning, code reviews, and one-on-one technical guidance to prepare them for industry careers.
Recognized with the Best Instructor Award for outstanding teaching performance and learner outcomes.

Full-stack Developer

Biometrics-bd Ltd · Dhaka, Bangladesh

Jun 2022 — Jul 2025

Developed secure login features and custom notification systems to enhance user authentication and engagement.
Built intuitive interfaces for dealer beneficiary lists and registration application views.
Designed accessible dealer registration profiles and engineered services for efficient registration processes.
Developed web list interfaces for dealer withdrawals and services for food-friendly programs.
Built APIs for food grain license management and user-centric application list interfaces.
Implemented secure, user-friendly web payment solutions for license processing.

Frontend Web Developer (Freelance, incl. Fiverr)

Self-employed · Remote

Jun 2020 — May 2023

Designed and developed responsive web applications for clients using React.js, JavaScript, and CSS.
Implemented Firebase authentication, Google Analytics, and other web technologies to enhance UX.
Worked remotely with clients across multiple projects, maintaining quality and deadlines.

Internship Trainee

Programming Hero · San Jose, California, United States (remote)

Dec 2021 — Jun 2022

Completed the Complete Web Development course — HTML5, CSS3, Bootstrap, Tailwind CSS, JavaScript ES6, React.js, Firebase Authentication, and the MERN stack.
Collaborated with peers on group projects, gaining experience in teamwork and problem-solving.

Education

Bachelor Degree, Department of Economics

National University of Bangladesh

2017 — 2021

Higher Secondary Certificate (HSC) — Humanities

Dhaka

2013 — 2015

GPA 4.69

Secondary School Certificate (SSC)

Dhaka

— 2013

GPA 5.00

Recognition

Certificates & awards

Certificates

Full Stack Web Development
Programming Hero · 2021
JavaScript Certification
freeCodeCamp · 2020

Awards

Best Instructor Award
CHTDB ICT Skills Development Project · 2026
Honored for outstanding performance delivering Web Design & Development training, mentoring aspiring developers, and achieving excellent learner outcomes.

Projects

Featured work

A selection of client and personal projects, with live demos and source code.

Harrington Field Operations

Internal field-sales platform for Harrington's Dhaka team: role-based employee access, canonical client records with one-client-one-catalog enforcement, visit logging, follow-ups, full audit history, and management reporting. Built on MongoDB multi-document transactions so client registration and catalog allocation stay consistent, with GridFS-backed private photo storage and signed HTTP-only session cookies.

Full-StackNext.jsTypeScriptMongoDB

Harrington

Corporate website for the Harrington group — product-led marketing site covering the sanitaryware range, built and maintained in-house with a focus on page performance and technical SEO.

Web DevelopmentSEO

Live

Blitzkrieg Group

Group-of-companies corporate website presenting the parent brand and its business units, with a structured content model and search-optimised, responsive layouts.

Web DevelopmentSEO

Live

Friends Dream Society

Management system for a cooperative society, rebuilt from a mock-data prototype into a full MERN application — JWT authentication, role-based admin access, and seeded member and settings data persisted on MongoDB.

Full-StackMERNMongoDB

Code

CHTDB E-Exam Platform

Online examination platform built to support the CHTDB ICT training programme — trainees sit timed exams in the browser while instructors grade through a dedicated, role-gated teacher interface.

Full-StackReactEdTech

Code Live