Open to senior engineering roles

Senior Full-Stack Engineer with 9+ Years of Experience

I design, build, and own scalable software systems across backend, frontend, cloud infrastructure, authorization, and AI — as a hands-on individual contributor from architecture through production.

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What I Do

Engineering Focus

The technical areas where I have significant hands-on experience, built up over 9+ years as an individual contributor.

Platform & Backend Engineering

Designing APIs, service boundaries, gateways, authorization systems, event-driven architectures, and multi-tenant platforms.

Full-Stack Product Engineering

Taking product features from system design through backend, frontend, database, and production deployment.

Cloud & Infrastructure

Building and operating production systems using cloud-native architecture, containers, infrastructure as code, CI/CD, and managed cloud services.

Authorization & Identity

Designing authorization models and access-control systems for multi-tenant applications, including RBAC and integration with API gateways and distributed services.

AI & LLM Engineering

Building practical AI-powered applications, RAG systems, LLM integrations, and AI-assisted product workflows.

Selected Work

Case Studies

Real problems solved with efficient and scalable solutions across industries.

A spreadsheet of visa applications with no owner or deadline column, beside the Kanban operations portal that replaced it, showing stage columns, assignees and SLA countdowns.

TravelTech

Replacing a Spreadsheet With an eVisa Platform at TravelRox

Led architecture and delivery of the eVisas platform at TravelRox: a no-code conditional visa form builder, a Kanban operations portal, customer web and mobile apps sharing one rule engine, and a Terraformed AWS backend.

Nest.jsNext.jsAWSTerraformSystem DesignTechnical Leadership

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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 Healthcare

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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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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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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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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Kind Words

Testimonials

What colleagues and collaborators have to say about the technical judgment, ownership, and reliability I bring to a team.

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

Have a challenging engineering problem?

I'm interested in working with teams building technically ambitious products. If you need someone who can take ownership from architecture through production, let's talk.

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