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Hi, I’m Simon Timothy Mall. I’m a Senior Full-Stack Developer with 9 years of experience, specializing in TypeScript, Node.js, NestJS, Express.js, React.js, and GraphQL. I focus on type-safe application development, dependency injection, microservices, RESTful and GraphQL APIs, and modern full-stack practices. I enjoy building scalable, robust software, leading architecture discussions, mentoring teammates, and delivering high-quality products through CI/CD and cloud deployments (AWS/Azure). I’ve shipped crypto wallets, healthcare apps, and blockchain-based apps, with emphasis on performance, accessibility, and security.…Hi, I’m Simon Timothy Mall. I’m a Senior Full-Stack Developer with 9 years of experience, specializing in TypeScript, Node.js, NestJS, Express.js, React.js, and GraphQL. I focus on type-safe application development, dependency injection, microservices, RESTful and GraphQL APIs, and modern full-stack practices. I enjoy building scalable, robust software, leading architecture discussions, mentoring teammates, and delivering high-quality products through CI/CD and cloud deployments (AWS/Azure). I’ve shipped crypto wallets, healthcare apps, and blockchain-based apps, with emphasis on performance, accessibility, and security.

Simon Timothy Mall

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

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Hi, I’m Simon Timothy Mall. I’m a Senior Full-Stack Developer with 9 years of experience, specializing in TypeScript, Node.js, NestJS, Express.js, React.js, and GraphQL. I focus on type-safe application development, dependency injection, microservices, RESTful and GraphQL APIs, and modern full-stack practices. I enjoy building scalable, robust software, leading architecture discussions, mentoring teammates, and delivering high-quality products through CI/CD and cloud deployments (AWS/Azure). I’ve shipped crypto wallets, healthcare apps, and blockchain-based apps, with emphasis on performance, accessibility, and security.…Hi, I’m Simon Timothy Mall. I’m a Senior Full-Stack Developer with 9 years of experience, specializing in TypeScript, Node.js, NestJS, Express.js, React.js, and GraphQL. I focus on type-safe application development, dependency injection, microservices, RESTful and GraphQL APIs, and modern full-stack practices. I enjoy building scalable, robust software, leading architecture discussions, mentoring teammates, and delivering high-quality products through CI/CD and cloud deployments (AWS/Azure). I’ve shipped crypto wallets, healthcare apps, and blockchain-based apps, with emphasis on performance, accessibility, and security.

Available to hire

Hi, I’m Simon Timothy Mall. I’m a Senior Full-Stack Developer with 9 years of experience, specializing in TypeScript, Node.js, NestJS, Express.js, React.js, and GraphQL. I focus on type-safe application development, dependency injection, microservices, RESTful and GraphQL APIs, and modern full-stack practices.

I enjoy building scalable, robust software, leading architecture discussions, mentoring teammates, and delivering high-quality products through CI/CD and cloud deployments (AWS/Azure). I’ve shipped crypto wallets, healthcare apps, and blockchain-based apps, with emphasis on performance, accessibility, and security.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Full-stack Developer at Green Stone LLC

August 1, 2021 - October 1, 2025

Developed crypto mobile wallets with React Native; built healthcare mobile apps; implemented server-rendered blockchain apps with Next.js, React, and Redux to improve SEO and UX; created multiple React components for a large-scale e-commerce app; built RESTful APIs with Node.js and Express and integrated charts libraries (D3.js) with React; led architecture and CI/CD efforts, cloud deployments, and microservices design.

Full-stack Developer at Wave Stream LLC

September 1, 2017 - July 1, 2021

Used React and Next.js for NFT & DeFi frontend; developed frontend with React, Redux Saga; built internal APIs with Node.js; contributed to e-commerce platform using Angular and Node.js; implemented Terraform-based infrastructure and Kubernetes deployments; built CI/CD pipelines and led test planning for crypto trading platforms.

Junior Front-End Developer at TechPoint Global

June 1, 2016 - August 1, 2017

Built a mobile-responsive React website via React Native; contributed to feature development using React and GraphQL; designed front-end UI/UX and integrated with existing APIs; created and maintained infrastructure as code with Terraform and deployed in AWS/Azure; built and maintained CI/CD pipelines.