Senior Frontend Developer | DefenceTech

Senior Frontend Developer | DefenceTech

2026-05-28T00:00:00

London

Greater London

UK

EC2V 8

Any

Apply4U

2026-06-25T08:17:01.083

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Senior Frontend Developer | Defence Tech Startup | React / TypeScriptA rapidly growing defence tech startup is looking for a Senior Frontend Developer to join its high-calibre engineering team building next-generation software products used in real-world operational environments.Founded by engineers from Palantir Technologies and backed by significant funding, the company is tackling technically complex problems with a strong emphasis on product quality, speed, and real-world impact.This is a great opportunity for someone who enjoys working in a highly technical, fast-paced environment alongside genuinely strong engineers in a collaborative and low-ego team.The RoleYou'll play a key role in designing and building modern frontend applications that sit at the core of the platform. The work is highly product-focused, with engineers given real ownership and influence over technical direction.The team works primarily with:ReactTypeScriptModern frontend architecture and toolingSome Rust across parts of the platformWhat They're Looking ForStrong experience building frontend applications with React and TypeScriptProduct-minded engineer who cares about usability and performanceComfortable working closely with backend engineers, designers, and end usersSomeone who enjoys ownership and moving quickly in a startup environmentWhy Join?Exceptional founding team with backgrounds from top-tier engineering companiesWell-funded business with ambitious long-term visionHigh technical bar without a corporate environmentStrong in-person engineering culture with flexibility when neededOpportunity to work on genuinely meaningful technology with real-world impactIf you enjoy working with smart people, solving hard technical problems, and building products that actually matter, this could be a very strong fit.

The Role

You'll play a key role in designing and building modern frontend applications that sit at the core of the platform. The work is highly product-focused, with engineers given real ownership and influence over technical direction.The team works primarily with: React, TypeScript, modern frontend architecture and tooling, and some Rust across parts of the platform.

What They're Looking For

• Strong experience building frontend applications with React and TypeScript


• Product-minded engineer who cares about usability and performance


• Comfortable working closely with backend engineers, designers, and end users


• Someone who enjoys ownership and moving quickly in a startup environment

Why Join?

• Exceptional founding team with backgrounds from top-tier engineering companies


• Well-funded business with ambitious long-term vision


• High technical bar without a corporate environment


• Strong in-person engineering culture with flexibility when needed


• Opportunity to work on genuinely meaningful technology with real-world impact

#s1-Gen

Senior Frontend Developer | Defence Tech Startup | React / TypeScriptA rapidly growing defence tech startup is looking for a Senior Frontend Developer to join its high-calibre engineering team building next-generation software products used in real-world operational environments.Founded by engineers from Palantir Technologies and backed by significant funding, the company is tackling technically complex problems with a strong emphasis on product quality, speed, and real-world impact.This is a great opportunity for someone who enjoys working in a highly technical, fast-paced environment alongside genuinely strong engineers in a collaborative and low-ego team.The RoleYou'll play a key role in designing and building modern frontend applications that sit at the core of the platform. The work is highly product-focused, with engineers given real ownership and influence over technical direction.The team works primarily with:ReactTypeScriptModern frontend architecture and toolingSome Rust
across parts of the platformWhat They're Looking ForStrong experience building frontend applications with React and TypeScriptProduct-minded engineer who cares about usability and performanceComfortable working closely with backend engineers, designers, and end usersSomeone who enjoys ownership and moving quickly in a startup environmentWhy Join?Exceptional founding team with backgrounds from top-tier engineering companiesWell-funded business with ambitious long-term visionHigh technical bar without a corporate environmentStrong in-person engineering culture with flexibility when neededOpportunity to work on genuinely meaningful technology with real-world impactIf you enjoy working with smart people, solving hard technical problems, and building products that actually matter, this could be a very strong fit.