Senior Full-Stack Developer

About this role

Senior Full-Stack Developer (JavaScript / Node.js) | Remote | £50,000 - £70,000
We're working with our client on this exciting opportunity.


Join a fast-growing tech company building high-performance, real-time digital products for large-scale environments. This is a pivotal role for a Senior Full-Stack Developer to shape and scale core platforms, working closely with the CTO on cutting-edge AWS-based architectures.


The Role

• Collaborate with the CTO to design and deliver robust, scalable systems spanning frontend, backend, and infrastructure.
• Architect and implement cloud-based solutions using Infrastructure as Code (Terraform).
• Build and enhance high-performance, real-time web applications with React, JavaScript/TypeScript, and Node.js.
• Develop systems capable of handling high-throughput, concurrent usage with Redis and DynamoDB.

What You'll Need

• 5+ years of full-stack development experience, comfortable across frontend, backend, and infrastructure.
• Strong expertise in designing and implementing AWS architectures (CloudFront, ECS, Lambda, S3, EC2) using IaC.
• Experience building scalable, low-latency real-time systems (WebSockets, event-driven architectures).
• Proficiency with Git, Docker, CI/CD pipelines, and comprehensive unit testing.

What's On Offer

• MacBook Pro and modern equipment for a top-tier development experience.
• Remote-first work environment, offering flexibility and work-life balance.
• 25 days holiday plus bank holidays, ensuring ample time for rest and rejuvenation.
• Supportive, high-trust culture with opportunities for technical ownership and architectural input.

Apply via Haystack today!