Available for freelance projects

Hi, I'm Efazul Karim

Building scalable full-stack systems and automation-driven products for real-world businesses.

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About Me

About Me

My Journey

I build full-stack web apps, mobile apps, backend systems, and AI-assisted tools that save time and scale reliably. Specializing in React, Next.js, React Native, Python, Node.js, and Docker across frontend, backend, mobile, and automation.

I specialize in full-stack development with expertise across multiple domains. On the front-end, I work with React, Next.js, and TypeScript to build modern web applications. As an expert mobile developer, I create cross-platform mobile apps using React Native. For backend development, I design and implement robust APIs, microservices, and database solutions using Node.js, Python, and various database technologies. I believe in writing clean, maintainable code and creating intuitive user experiences across all platforms.

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Skills & Expertise

Technologies and tools I use to build scalable backend systems and automation workflows.

Frontend

  • React, Next.js, TypeScript
  • Tailwind CSS, Framer Motion
  • Responsive UI, Accessibility

Backend

  • Python, Node.js
  • REST APIs, Webhooks
  • Authentication, Background jobs

Mobile Apps

  • React Native, Expo
  • Cross-platform iOS & Android
  • Native modules, Push notifications

DevOps / Infra

  • Docker, VPS, Github Actions
  • CI/CD
  • Monitoring & Logging

Automation & AI

  • n8n / custom pipelines
  • LLM APIs (GLM, OpenAI-like)
  • Automation Bots
  • Document & Report Automation
Work History

Professional Experience

A showcase of my professional journey and the skills I've developed along the way.

Senior Full-stack Product Developer

Full-time
Apr 2022 - Present
BitSic•
Remote

Building full-stack enterprise level applications for clients, specializing in scalable web and mobile solutions with React Native, robust backend APIs, and modern frontend technologies.

ReactReact NativeNext.jsTypeScriptNode.jsPythonDjangoExpress.jsMySQLPostgreSQLMongoDBREST APIGraphQLSoftware DesignObject-Relational Mapping (ORM)Tailwind CSSDockerAWS

Full Stack Developer

Contract
Jul 2024 - Present
Fionetix•
Remote

Developing full-stack applications with focus on modern web technologies, mobile app development, and scalable backend solutions.

ReactReact NativeNext.jsTypeScriptNode.jsPythonExpress.jsMySQLPostgreSQLSoftware DesignTailwind CSSREST APIGitDocker

Freelance Developer & Consultant

Contract
Jan 2020 - Mar 2022
Self-employed•
Remote

Provided end-to-end web and mobile development services for diverse clients across multiple industries. Built custom software solutions, e-commerce platforms, and business applications with focus on scalability and user experience.

ReactNext.jsReact NativeTypeScriptNode.jsPythonDjangoExpress.jsPostgreSQLMongoDBREST APITailwind CSSGitProject ManagementClient CommunicationTechnical Consulting

GitHub Activity

A snapshot of my open-source contributions and coding activity

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Academic Journey

Education & Certifications

My academic journey and continuous learning path that has shaped my professional skills.

Bachelor of Science - BSc, Computer Science and Engineering

Southeast University
Dhaka, Bangladesh

Completed rigorous coursework in algorithms, data structures, and software engineering. Demonstrated strong problem-solving skills through competitive programming and academic projects.

Full Stack Development, Computer Science

freeCodeCamp
Online

Gained hands-on experience in full-stack web development, completing over 300 hours of coding challenges and building 5+ comprehensive projects. Mastered modern web technologies including React, Node.js, and database management.

Featured Projects

Here are some projects I've worked on that showcase my skills and approach to problem-solving.

Education Management System - Image 1
1 / 7
Completed
Education Management System
A comprehensive SaaS platform for educational institutions designed to streamline administration, academics, and communication. This multi-role system features robust modules for student management, attendance tracking, exam and result processing, fee management, and payroll. It includes an integrated SMS gateway, document management system, and a public-facing Web CMS. The dashboard provides real-time statistics and analytics, supported by a scalable Express.js/PostgreSQL backend.
ReactTypeScriptTailwind CSS+5
View Details
Litigation Management System - Image 1
1 / 6
Completed
Litigation Management System
A comprehensive litigation management platform designed for law firms to streamline case tracking, document management, and court scheduling.
React 19TypeScriptVite+5
DemoView Details
Bangladesh Naval Academy Website - Image 1
1 / 5
Completed
Bangladesh Naval Academy Website
A pixel-perfect, comprehensive web application for the Bangladesh Naval Academy (BNA). Converted from complex Figma designs with high precision, handling numerous edge cases. Serves as an informational portal showcasing history, courses, training, and facilities.
React.jsReact RouterTailwind CSS+4
DemoView Details
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Let's Connect

Interested in working together or have questions? Feel free to reach out!