Available for New Opportunities

MartinAryee

> |

Specialising in responsive React and Vue.js Single Page Applications

React
Vue.js
TypeScript
Node.js
Next.js
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Professional Summary

Creative and enthusiastic UI Developer specialising in responsive React and Vue.js SPAs within Service-Oriented Architectures. Skilled in OOP and Functional Programming, UI design and animation, and both static and SSR builds using frameworks like CRA, Gatsby, Next.js, and Nuxt.js.

A dynamic developer with a keen eye for detail, experienced in leading and collaborating through the full project lifecycle: planning, design, development, testing, and CI/CD deployment. Recognised for delivering high-quality, performant code and being a go-to resource for guidance in technical teams.

Technical Excellence

Expert in React, Vue.js, TypeScript, and modern frontend frameworks

UI/UX Focus

Skilled in responsive design, animations, and accessibility standards

Full Lifecycle

Experience from planning and design to CI/CD deployment

Team Leadership

Proven track record leading teams and mentoring developers

Performance

Optimizing applications for speed, accessibility, and user experience

Results Driven

Delivering high-quality, performant code that drives business value

Core Skills & Technologies

Full-Stack Expertise

A comprehensive toolkit spanning the entire development ecosystem, from modern frontend frameworks to robust backend solutions and cutting-edge DevOps practices.

Frontend Languages & Frameworks

10 Technologies

JavaScript (ES6+)
TypeScript
React
Next.js
React Native
Vue.js
AngularJS
HTML5
CSS3
Vite
ProficiencyExpert

Styling & Design Systems

10 Technologies

CSS
SASS
Tailwind
Material-UI
Bootstrap
Styled Components
Ant Design
Gov.uk Design System
React-Spectrum
Storybook
ProficiencyExpert

State Management & Tools

10 Technologies

Redux
MobX
XState
React Query
Webpack
Babel
Parcel
AG-Grid
Chart.js
Recharts
ProficiencyExpert

Backend & Data

10 Technologies

Node.js
Express
Python
GraphQL
Apollo
TRPC
REST APIs
WebSockets
MongoDB
PostgreSQL
ProficiencyExpert

Testing & Quality

10 Technologies

Jest
Cypress
Mocha
Chai
Jasmine
React Testing Library
Enzyme
ESLint
Prettier
Husky
ProficiencyExpert

DevOps & Deployment

10 Technologies

Jenkins
Docker
Azure
TeamCity
GoCD
AWS
Git
Azure DevOps
Sentry
Mixpanel
ProficiencyExpert
15+ Years of Excellence

Professional Journey

Building cutting-edge applications and leading teams at industry-leading companies, from startups to global enterprises.

Senior Front-End Engineer

Livestock Information Ltd
Remote
Jun 2024 – Dec 2025
  • Led UI engineering across multiple livestock service applications on an Azure platform.
  • Implemented micro-frontend architecture using Module Federation.
  • Designed and governed shared design system components used across multiple teams.
  • Integrated frontend applications with Backend-for-Frontend (BFF) architecture.
  • Implemented secure identity flows using Azure AD B2C and MSAL.
  • Contributed to CI/CD pipelines by supporting automated testing and security scanning.

Technologies & Tools

React
Typescript
Storybook
NodeJS
NextJS
B2C
MSAL
Azure
React-Testing-Library
SonarCloud

Senior Front-End Engineer

Halfords / Avayler
Remote
Jan 2023 – Mar 2024
  • Built & maintained technician portal SPAs for managing vehicle services
  • Developed with TypeScript, React, React Native, integrating APIs for auth/data fetching
  • Implemented multilingual support via i18next
  • Managed state with React Query and TRPC

Technologies & Tools

TypeScript
React
React Native
i18next
React Query
TRPC
Azure

Senior Front-End Engineer

Onnec Group
Remote
Sep 2022 – Nov 2022
  • Re-developed IoT device management dashboard
  • Managed large datasets with Redux Toolkit
  • Extended Material UI components and used Recharts for data visualisation

Technologies & Tools

React
Redux Toolkit
Material UI
Recharts
IoT

Lead Front-End Engineer

BP
Canary Wharf
Sep 2021 – Aug 2022
  • Built internal Code Library & Knowledge Hub with React, React Hook Form, markdown editor
  • Real-time notifications via WebSockets
  • Optimised API calls with React Query
  • Ensured AA Accessibility compliance

Technologies & Tools

React
React Hook Form
WebSockets
React Query
Accessibility
Mixpanel

Lead Front-End Engineer

The Collective
London
Mar 2019 – Jul 2021
  • Architected multiple apps in CRA, Next.js, and Nuxt.js
  • Developed KYC document verification tool with AWS S3 integration
  • Integrated Stripe & GoCardless payment systems
  • Built content migration tool and A/B testing setup

Technologies & Tools

React
Next.js
Nuxt.js
AWS S3
Stripe
GoCardless
KYC

Senior Front-End Developer

News UK (The Times)
London
Jan 2018 – Feb 2019
  • Rebuilt digital checkout process in React
  • Ran multi-variant tests to improve conversions
  • Implemented accessibility and analytics tracking
  • Worked with shared components for React/React Native apps

Technologies & Tools

React
React Native
A/B Testing
Analytics
Accessibility

Senior Fullstack Developer

Expedia
Islington
Jun 2017 – Dec 2017
  • Led front-end engineering and development of internal React/Node applications
  • Created multiple API endpoints within Node/Express
  • Managed form input/validation with MobX and ValidatorJS
  • Hosted applications in AWS with Jenkins CI/CD

Technologies & Tools

React
Node.js
Express
MobX
AWS
Jenkins

Lead Front-End Developer

Deltatre Media
Wimbledon
Jun 2016 – Mar 2017
  • Re-developed ATP's TennisTV streaming site as an isomorphic React SPA
  • Managed state with ImmutableJS and Redux; integrated payment system (MPP)
  • Built Channel 4 Paralympics streaming site in AngularJS
  • Hosted in Azure with Continuous Deployment

Technologies & Tools

React
AngularJS
Redux
ImmutableJS
Azure
MPP

Lead Front-End Developer

Paze.me
Moorgate
Aug 2015 – Feb 2016
  • Built FinTech startup site as AngularJS SPA
  • Custom form validation using AngularJS directives and ng-messages
  • Applied TDD for maintainable code

Technologies & Tools

AngularJS
TDD
FinTech
Form Validation
Directives

Senior Fullstack Developer

Quidco
Shoreditch
Jun 2015 – Aug 2015
  • Developed international site version with AngularJS 1.3 and Sails framework
  • Integrated Single Sign-On with Passport.js
  • Configured Node/Express server and Redis

Technologies & Tools

AngularJS
Sails.js
Node.js
Express
Passport.js
Redis

Lead Front-End Developer

Gov.uk (Home Office)
Westminster
Mar 2014 – Mar 2015
  • Built UK Passport Renewal site with Node/Express following GDS principles
  • Integrated face detection, auto-crop/rotate, and ICAO compliance checks
  • Worked on Virtual Press Office and Dynamic Response Tool for UK Airports
  • Ensured high accessibility standards

Technologies & Tools

Node.js
Express
GDS
Accessibility
Face Detection
ICAO

Senior Front-End Developer & Freelancer

Various Agencies & Startups
London
Oct 2006 – Dec 2013
  • Built interactive JS/Flash apps and games for Ten Alps Communicate
  • Developed AngularJS SPA with responsive design for The World Weekly
  • Created interactive websites and visualizations for major brands
  • Worked with clients including Siemens, Investis, MoneyAM, RMG

Technologies & Tools

JavaScript
jQuery
AngularJS
HTML5
Flash ActionScript
PHP
Drupal
Academic Foundation

Education

Trent University, Canada

2002 – 2005

Dual Major: Mathematics & Computer Science

Comprehensive coursework covering Programming, Compilers, GUI Design, Data Structures, Discrete Mathematics, Advanced Calculus, Linear Algebra, and Micro/Macro Economics, providing a strong foundation in both theoretical computer science and practical programming skills.

Additional Qualifications

Akosombo International School, Ghana (1998 – 2000)
A-Level equivalent: Mathematics, Additional Mathematics, Geography (Grade A); English, Economics, Science, Social Studies (Grade B)

Career Highlights

Notable Achievements

UK Passport Renewal System

Delivered UK Passport Renewal system at Home Office, integrating face detection, auto-cropping, and ICAO compliance

Channel 4 Paralympics

Developed Channel 4 Paralympics 2016 streaming platform for global audiences

Multi-Language Applications

Architected multi-language, multi-market apps with optimised server-client state management

ATP TennisTV Platform

Rebuilt ATP TennisTV streaming service as an isomorphic React SPA with subscription/payment integration

GDS-Compliant Digital Services

Built UK government digital services following strict GDS principles, including Virtual Press Office and Dynamic Response Tool

Performance Monitoring

Integrated advanced analytics and performance monitoring into production apps for optimal user experience

What Colleagues Say

Recommendations

"Produces high-quality code, well-liked, and can pick up technology fast. Would rehire without hesitation."

Mark Lambert

Engineering Manager

Halfords (Avayler)

"Forward-thinking developer who always delivers great results when challenged with difficult problems."

Elvir Leonard

Technology Leader

The Collective

Ready to Collaborate

Let's Connect

Ready to discuss your next project or explore opportunities? I'm always interested in challenging frontend development roles and exciting collaborations that push the boundaries of web technology.

Email

Drop me a line anytime

mr.aryee@gmail.com

Phone

Let's have a quick chat

07949 578684

LinkedIn

Connect professionally

linkedin.com/in/mraryee
Available for New Opportunities

Ready to Build Something Amazing?

Currently seeking senior frontend development roles where I can leverage my expertise in React, Vue.js, and modern web technologies to create exceptional user experiences and drive innovation.