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Hi, I’m Martin Zhang, a Full Stack Web Developer and VoIP Engineer with 8+ years' experience delivering secure, high-performance web and real-time communication solutions. I specialize in building scalable architectures, API integrations, and cloud deployments using Docker and AWS, with a focus on usability and business efficiency.…

Martin Zhang

Full Stack Developer, Web Developer, Front-End Developer, +2

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Hi, I’m Martin Zhang, a Full Stack Web Developer and VoIP Engineer with 8+ years' experience delivering secure, high-performance web and real-time communication solutions. I specialize in building scalable architectures, API integrations, and cloud deployments using Docker and AWS, with a focus on usability and business efficiency.…

Available to hire

Hi, I’m Martin Zhang, a Full Stack Web Developer and VoIP Engineer with 8+ years’ experience delivering secure, high-performance web and real-time communication solutions.

I specialize in building scalable architectures, API integrations, and cloud deployments using Docker and AWS, with a focus on usability and business efficiency.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Chinese

Fluent

Work Experience

Front-end Developer at Property Panorama

October 1, 2025 - October 1, 2025

Built frontend with React for auto-posting to social sites; used Django REST Framework for backend; implemented cron-based subscriptions via Django Celery and integrated data with third-party APIs. Containerized backend and frontend components using Docker. Wrote unit tests with Enzyme/Jest for React and Django TestCase for the backend.

Backend & Front-end Developer at RGTN

July 1, 2022 - July 1, 2022

Rebuilt the frontend in Angular 9, later migrated to Angular 12–14. Built backend services in Node.js to support VoIP API development. Integrated two third-party VoIP APIs and implemented 2FA for security. Also integrated Google Tag Manager and created charts from database data using Chart.js.

Front-End Developer / Backend Developer / API Developer at REDWORKS

October 1, 2018 - October 1, 2018

Rebuilt Front End from Angular.js to Angular 6. Implemented backend in PHP/Perl and API development in Perl. Integrated PortaBilling API for VoIP services, SIGNICAT API for digital signatures, and COIN API for number porting.

Full Stack Web Developer at PropertyPanorama

November 1, 2022 - October 1, 2025

Developed front-end with React for automated posting to social platforms; built backend services with Django REST Framework; implemented Celery for scheduled automation; containerized frontend and backend with Docker; wrote automated tests with Jest and Django Test Case.

Full Stack Web Developer / VoIP Engineer at RGTN

December 1, 2020 - July 1, 2022

Rebuilt and optimized front-end from Angular 9 to Angular 14; implemented IVR with drag-and-drop and Text-to-Speech; developed .NET-based backend APIs for VoIP operations; added 2FA authentication; integrated PortaOne, Rabobank, and Nextpertise VoIP APIs; created analytics dashboards using Chart.js and Google Tag Manager.

Senior Angular Developer at Redworks

July 1, 2019 - October 1, 2020

Rebuilt legacy front-end from Angular.js to Angular 8 to improve performance and UX; developed .NET Core backend features for VoIP; built middleware using PHP and Perl; created and maintained APIs for internal and external clients; integrated PortaBilling, SIGNICAT, and COIN APIs for VoIP ops and onboarding.

Full Stack Web and App Developer at TBU

February 1, 2017 - March 1, 2019

Developed an automated grading web system using ASP.NET MVC; built PC terminal applications for uploading and processing examination papers; managed and optimized Microsoft SQL Server databases.

Experienced Developer at Freelance

January 1, 2015 - February 1, 2017

Created front-end projects with Angular.js; built back-end services using Laravel; developed desktop automation apps in Python; delivered RESTful APIs supporting web and PC applications.