Lewis Hadden

Charting the stations0%

02Where I've worked

Docked at the tether array92 km from Home

Work experience

Almost a decade across IBM, Sopra Steria, ERGO Travel and ADP: frontend, full stack and cloud architecture.

  • 08 roles
  • 04 companies
  • since 2018

  1. Jan 2025 – Jun 2026, 1 year 6 months

    Senior Full Stack Engineer (Contractor)

    ADP

    Building enterprise features for ADP's payroll platform, used by 950,000+ clients worldwide. Focused on React migrations, WCAG accessibility compliance, and controlled feature rollouts via feature flags.

    • React
    • Tailwind CSS
    • Cypress
    • React Testing Library
    • Webpack
    • JavaScript
    • REST API
    • Jest
    • Virtual Machines

  2. Apr 2024 – Nov 2024, 8 months

    Lead Full Stack Engineer

    ERGO Travel Insurance

    Led full-stack delivery of production digital services for a travel insurance MGA. Defined company-wide dev standards, architected Azure infrastructure, and established the foundational UI boilerplate and local development tooling.

    • Next.js
    • TypeScript
    • Azure
    • Cosmos DB
    • Serverless Functions
    • React
    • CSS Modules
    • Node.js
    • Event Hubs
    • Blob & Table Storage
    • DevOps Pipelines
    • Docker
    • Jest

  3. Jun 2023 – Dec 2023, 7 months

    Cloud Infrastructure Architect

    Sopra Steria

    Sole architect of a greenfield Azure cloud infrastructure for UK Power Networks. Designed the database schema, security model, and produced comprehensive architecture documentation for a new energy sector microsite.

    • Azure
    • Cosmos DB
    • REST API
    • Serverless Functions
    • Content Delivery Network
    • Blob Storage

  4. Aug 2022 – Apr 2023, 9 months

    Lead Software Engineer

    Sopra Steria

    Led development of real-time traffic management dashboards for the Singapore Land Transport Authority. Delivered complex Angular components and engineered a bespoke split-tunnel VPN solution for secure environment access.

    • Angular 8+
    • TypeScript
    • React
    • Flutter
    • Node.js
    • HTML5
    • SCSS / CSS3
    • Jest
    • PowerBI
    • Split Tunnelling (VPN)

  5. Jan 2022 – Jul 2022, 7 months

    Senior Full Stack Developer

    IBM

    Led an agile team delivering a new e-commerce journey for Audi UK. Architected the full AWS stack (Lambda, DynamoDB, EC2, API Gateway) while managing sprints, presenting to stakeholders, and mentoring engineers.

    • React
    • Redux
    • TypeScript
    • AWS
    • Node.js
    • DynamoDB
    • JavaScript
    • Carbon Design System
    • Jest + Enzyme
    • CloudFormation
    • Lambda
    • EC2
    • S3
    • API Gateway
    • JIRA

  6. Jan 2021 – Jan 2022, 1 year 1 month

    Lead Front End Developer

    IBM

    Led a frontend team building a drag-and-drop micro-frontend platform for Audi UK, enabling content editors to create bespoke SPAs without writing code. Pioneered a shared Redux store across independent React apps and achieved 100% test coverage.

    • React
    • Redux
    • TypeScript
    • Micro-Frontends
    • Adobe Experience Manager
    • JavaScript
    • Jest + Enzyme
    • AWS
    • FeatureHub
    • GitHub Workflows
    • Adobe Launch
    • JIRA

  7. Aug 2018 – Jan 2021, 2 years 6 months

    Front End Developer

    IBM

    Contributed to the Audi UK website in a fast-paced agile team. Built React/Redux features, wrote automated test suites with WebdriverIO and BrowserStack, and helped migrate the legacy tech stack to AWS.

    • React
    • Redux
    • TypeScript
    • AWS
    • Adobe Experience Manager
    • JavaScript
    • Webpack
    • Babel
    • Jest + Enzyme
    • WebdriverIO
    • BrowserStack
    • Carbon Design System
    • Docker

  8. Jan 2018 – Aug 2018, 8 months

    QA Tester

    IBM

    Performed manual and automated testing across IBM web applications. Wrote automated test suites using WebdriverIO and Selenium with BrowserStack cross-browser coverage, and managed defect escalation through JIRA.

    • Selenium
    • WebdriverIO
    • Cucumber / Gherkin
    • BrowserStack
    • JIRA
    • Appium
    • Node.js
    • React
    • JavaScript
    • HTML
    • CSS

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