Overview
Principal Software Engineer - React
Location: Remote (UK / Ireland)
Type: Permanent | Full-time
Contact: Ryan Quinn on LinkedIn
Company: OCHO - Building Teams
The Opportunity
My client is hiring a Principal Software Engineer (React) to help shape the next generation of cloud-based solutions. This is a chance to establish technical leadership while staying hands-on, guiding the design and delivery of front-end systems that power merchant-first platforms at scale.
You'll work on data-rich, customer-facing applications using React and modern JavaScript, collaborating with UX and Product teams to build intuitive portals, secure hosted payment pages, and reusable component libraries.
If you're looking for a role where you can lead, mentor, and still code, this is it.
What You'll Do
* Lead the design and delivery of front-end applications using modern JavaScript and React
* Translate prototypes into pixel-perfect, responsive, accessible user interfaces
* Collaborate with UX, Product, and Engineering teams to deliver merchant-first solutions
* Build and maintain a reusable component library and help define the design system
* Contribute across the software lifecycle, from requirements through to release
* Mentor engineers, provide technical direction, and foster best practices in front-end development
* Support deployment activities, ensuring quality and reliability at scale
What You'll Bring
* 10+ years' experience in software engineering, with strong front-end expertise
* Deep knowledge of JavaScript (ES6/7+), React, HTML, CSS (SASS, LESS, or SCSS)
* Hands-on experience with build tools
* Strong design sense, able to deliver data-rich applications (D3.js or similar)
* Experience integrating with REST APIs and modern authentication (OAuth2 / OIDC)
* Track record of building scalable front-end systems optimised for performance
* Strong analytical and problem-solving skills, with the ability to lead by example
* Comfortable mentoring, coaching, and providing technical leadership across teams
Nice to Have
* Experience with Vue or Angular in addition to React
* Background in fintech, or other regulated industries
Why Join?
* Remote-first role across the UK and Ireland
* Opportunity to establish technical leadership while staying hands-on
* Work in small, empowered teams with autonomy and impact
* Inclusive culture where growth, learning, and collaboration are prioritised
Interested? Connect with Ryan Quinn on LinkedIn for an informal chat, or apply directly with your CV.
OCHO - Building Teams
Skills:
JavaScript AWS TypeScript
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