Available for freelance projects

Freelance Full-stack Engineer with 9+ Years of Experience

I build robust, scalable, and maintainable software solutions spanning web applications, mobile apps, APIs, databases, blockchain, and AI technologies. Remote-first professional working with clients worldwide.

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What I Do

Services I Offer

Comprehensive software engineering services to help businesses build and scale their digital products with expertise gained from 9+ years of industry experience.

Full-stack Web Development

Custom web applications using React, Angular, or Next.js with backend integration using Node.js, NestJS, or Spring Boot.

AI Integration

Incorporating AI capabilities into applications using OpenAI, Ollama, or any AI provider, Langchain, and Hugging Face for enhanced functionality.

API Development & Integration

Robust REST and GraphQL APIs with thorough documentation, seamless third-party integrations, and performance optimization.

Mobile App Development

Native mobile applications using React Native for both iOS and Android platforms, with focus on performance and user experience.

Database Architecture

Efficient database design and implementation with SQL and NoSQL databases including PostgreSQL, MySQL, MongoDB, and DynamoDB.

Blockchain Development

Secure and efficient cryptocurrency wallet development, smart contracts, and blockchain integrations for various use cases.

Cloud Infrastructure

Cloud-native solutions using AWS, Azure, or Google Cloud with CI/CD pipelines, containerization, and serverless architectures.

System Integration

Event-driven architectures and seamless integration between multiple systems and third-party services with focus on reliability.

Technical Consulting

Strategic technical guidance to help you make informed decisions about architecture, technology selection, and implementation approaches.

Selected Work

Case Studies

Real problems solved with efficient and scalable solutions across industries.

B2B E-Commerce

Driving Performance and Productivity in a B2B E-Commerce Platform

Upgraded Brikl’s e-commerce platform to Next.js for faster performance and scalability, and delivered real-time features like bulk product upload, SKU overrides, and live order tracking using Apollo GraphQL and Zustand.

B2B E-CommerceStorefrontAdmin DashboardNext.jsGraphQL

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Blockchain

Cross-Platform Crypto Wallet for NEAR Protocol

Contributed to the development of a cross-platform crypto wallet for the NEAR Protocol using React Native, Expo, and Tamagui. Delivered core wallet features and a unified design system across web, mobile, and browser extension, enhancing user accessibility and experience.

React NativeTypeScriptBlockchainCrytographySQL

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HealthTech

Event-Driven Text & VoIP Notification System for Hospital Operations

Designed and implemented a scalable, event-driven VoIP and push notification system for Bumrungrad International Hospital to streamline patient communication. The solution reduced manual phone calls by over 99%, cutting telecom costs and improving operational efficiency.

Node.jsAzureTwilioFCMAPNsMongoDB

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Internal Tooling

Digital Transformation of File Administration Workflow at AtMetis

Built a responsive File Administration System for AtMetis to replace Excel-based workflows, helping engineers and staff manage tasks more efficiently and import client data in bulk.

Internal Business ToolingBulk Data ImportSpring BootAngularMySQL

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Tax & Compliance

Building the Frontend for Orbitax Change Reports Tracker

Built the frontend for Orbitax Change Reports Tracker using Angular, delivering dynamic dashboards, personalized email alerts, and tax law tracking across countries and regions.

AngularTypeScriptRxJSNgRxAngular MaterialSCSS

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EdTech

Speech Scoring & Licensing System for AI-Powered EdTech Tools

Delivered a speech scoring pipeline and an institutional licensing dashboard for Vantage Labs, enhancing product usability and streamlining EdTech operations for schools.

EdTechAI IntegrationAdmin DashboardAmazon TranscribeSpring Boot

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Kind Words

Testimonials

What clients and colleagues have to say about working with me.

I had the pleasure of working alongside Mazedul on a challenging hospital application project. While our time collaborating was brief, I was impressed by his work ethic, technical skills, and positive attitude as he tackled the project's backend tasks as a full-stack developer.

Kirati Likitsaichon

Team Leader Android Developer, OOZOU

Mazedul is a talented software engineer very efficient on both, fronted and backed aspects of the development. He was a great addition to Vantage development team. I worked with Mazedul on a project using AWS audio to text transcription service and I was very impressed with his work. I recommend him as a full-stack developer.

Livia Delea

Development Team Lead, Vantage Labs

Mazedul displayed excellent technical skills, problem-solving abilities, and dedication to delivering high-quality work. Throughout our collaboration, Mazedul demonstrated exceptional proficiency in React.js, Node.js, and Javascript ecosystem for both front-end and back-end development.

Zaw Lin Naing

Software Engineer, OOZOU

Good communicator, collaborator, constructive feedback provider and a professional with whom anyone would love to do teamwork.

Shafiqul Islam

Senior Software Engineer, TETON

We have been working closely together and created beautiful solutions. Quick learner and an asset to our team.

Marcel Buchner

Co-founder, AtMetis BV

He consistently goes above and beyond, yet remains humble and approachable. Mazedul is a true asset to any team or organization.

Nitanta Adhikari

iOS Engineer, OOZOU

Let's Work Together

Have a project in mind? Get in touch and let's discuss how I can help bring your ideas to life.

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