Senior Fullstack Engineer (Web3)

TL;DR

Senior Fullstack Engineer (Web3): Leading full stack development across Rails and React/React Native for a rapidly expanding global audience with an accent on shaping architecture and driving technical direction. Focus on performance, reliability, and modularity, while mentoring engineers and improving engineering practices.

Location: Must be UK based

Salary: £90000 - £120000 per annum

Company

A fast-growing sports tech company building high-performance, data-driven products for a rapidly expanding global audience.

What you will do

• Drive architectural design, long-term technical vision, and scalable system patterns.
• Lead complex full stack development across Rails and React/React Native.
• Own technical quality by setting engineering standards and reviewing code.
• Guide the team through key scaling challenges across performance, reliability, and modularity.
• Mentor and coach engineers, fostering a culture of learning and high performance.
• Work closely with stakeholders and users to translate real-world needs into robust solutions.

Requirements

• Extensive experience with Ruby on Rails or similar backend frameworks at scale.
• Strong expertise with React and/or React Native.
• Experience designing scalable architectures, APIs, and distributed systems.
• Excellent communication and leadership skills.
• Proven ability to guide teams, mentor others, and drive engineering quality.
• Someone proactive, independent, and comfortable making high-impact technical decisions.

Nice to have

• GraphQL knowledge - highly beneficial

Culture & Benefits

• Equal opportunities employer encouraging applications from all backgrounds.