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Aaron HarpermayoAH

Aaron Harpermayo

Software Engineer (JavaScript)

€405/day
Rotherham, GB
8-15 years

Average response time: 1 hour

About Aaron

A experienced Senior JavaScript Software Engineer looking to dedicate time to helping you.

I am here to build what ever you need, from a simple landing page, to a complex component to a backend and frontend solution.

I am here to offer help, support and advice and I believe in being fair and open. If I do not understand something I will say and I will always explain myself as I understand not everyone speaks in developer talk.

I enjoy doing all things Frontend and find backend as rewarding.

I hope to offer my services to any small jobs you require.
  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • The Shopworks
    Frontend Engineer
    May 2022 - Today (4 years and 1 month)
    • ● Joined acting Senior FE Dev for 12 months, delivering a full-lifecycle User Management Area for the SPA, guiding a team of 2 using TypeScript.
    • ● Spearheaded the adoption of TypeScript, upskilling offshore teams and achieving 90% TS coverage within 12 months, significantly improving code quality and maintainability.
    • ● Enhanced user experience by implementing a session countdown and middleware-based unauthorized user handling, resolving issues with abrupt logouts.
    • ● Contributed to feature planning, Agile ceremonies, and architectural discussions, while developing React/TypeScript code and translating Figma designs into functional views.
    • ● Architected and delivered Frontend solutions, mentored up to three developers (including Junior and Mid-level), and ensured code quality through documentation and peer reviews.
    Typescript React.js Web development
  • Boohoo Group
    Full Stack Engineer
    October 2021 - May 2022 (7 months)
    • ● BAU changes and new feature requests
    • ● Progressing tickets via Jira in an AGILE Environment
    • ● Managed local staging servers using Nginx
    • ● Used Nest JS & MariaDB/mySQL and noSQL
    • ● Created/Updated tests using Jest and React testing Library
    • ● Adhered to and Created Designs for internal and external sites
    • ● some AWS SNS/SQS & GraphQL.
  • Origin Broadband (Hybrid)
    React Developer
    October 2018 - September 2020 (1 year and 11 months)
    • ● Developed and maintained front-end features using React, HTML, JS, and CSS (styled components/emotion).
    • ● Built Single Page Applications (SPAs) with React.
    • ● Collaborated with backend functions.
    • ● Utilized SQL and MySQL for data management.
    • ● Employed Git for version control.

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Education

  • 2025
  • National Diploma in ICT Professional Competence
    National Diploma in ICT Professional Competence

Skill set

Categories