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Haystack

Software Engineer

Haystack
United Kingdom · Full-time · Mid-Senior

Senior Developer (Node/React) | London | Remote-Friendly | £80,000 - £96,000


We're working with a high-traffic global eCommerce powerhouse on this exciting opportunity.


Join a high-performing product team behind a massive global platform handling thousands of transactions every single day. We are looking for a pragmatic, innovative Full Stack Engineer to build scalable, high-performing software using a modern Node.js, React, and TypeScript stack.


The Role


• Build and maintain robust, scalable applications across the full stack using Node.js, React, and TypeScript.

• Influence architectural decisions and technology choices to drive the platform's global growth.

• Optimize both Front End and Back End performance to ensure a seamless experience for a massive user base.

• Collaborate in an agile environment to deliver clean, maintainable, and highly testable code.

• Design and develop end-to-end solutions that directly enhance the customer journey on a global scale.


What You'll Need


• Deep expertise in React and the JavaScript/TypeScript ecosystem, including HTML5 and CSS3.

• Strong Back End proficiency specifically with Node.js and building robust APIs.

• Solid experience with cloud platforms such as AWS, Azure, or Google Cloud Platform (GCP).

• A background in high-traffic environments, ideally within the eCommerce or retail sectors.

• Familiarity with modern CI/CD pipelines using tools like Jenkins or GitHub Actions.


What's On Offer


• Competitive salary and the chance to work on a product with genuine global impact.

• A flexible, remote-friendly working environment that supports a healthy work-life balance.

• A collaborative engineering culture where your ideas on architecture and tech choice truly matter.

• Opportunity for continuous growth within a forward-thinking, high-scale technical team.


Apply via Haystack today!

Key Skills

Ranked by relevance

react cloud google cloud platform typescript jenkins html5 cicd aws
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Posted
Mar 02, 2026
Type
Full-time
Level
Mid-Senior
Location
Greater London
Company
Haystack

Industries

Technology Information Internet

Categories

Information Technology

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