Senior Full-Stack Developer
My Client is a fast-growing technology company building high-performance, real-time digital products used at significant live and large-scale environments.
They are seeking a Senior Full-Stack Developer to play a key role in shaping and scaling their core platform.
This is a senior, hands-on position working closely with the CTO to architect, build and optimise systems that must perform reliably under substantial concurrent usage.
The Role
You will collaborate directly with the CTO (an experienced full-stack engineer) to design and deliver robust, scalable systems.
This role spans frontend, backend and infrastructure. It is ideal for someone who enjoys technical ownership, architectural input and solving complex engineering challenges.
Key Responsibilities
Design and implement scalable cloud-based architectures using Infrastructure as Code
Build and enhance high-performance, real-time web applications
Develop systems capable of handling high-throughput, concurrent usage
Improve performance, reliability and scalability across existing products
Build new web applications, services and supporting infrastructure
Implement comprehensive unit testing and conduct load/performance testing
Establish and maintain CI/CD pipelines
Improve developer experience and streamline onboarding processes
Contribute to technical strategy and architectural decisions
About You
You are:
5+ years’ experience in full-stack development
Strong in web fundamentals, networking concepts and security best practices
Comfortable moving between frontend, backend and infrastructure
Experienced designing and implementing AWS-based architectures using IaC
Confident building scalable, low-latency real-time systems (e.g. WebSockets, event-driven systems)
A collaborative team player who values paired programming and knowledge sharing
An articulate communicator with strong analytical thinking
Calm and solutions-focused when working under pressure
Tech Stack
You don’t need experience in everything listed, but strong exposure to comparable technologies is expected.
Frontend: React, JavaScript/TypeScript, CSS
Backend: Node.js, Redis, DynamoDB, MySQL
AWS services such as CloudFront, ECS, Lambda, S3 and EC2
Tools & Practices: Git, Infrastructure as Code, Vite, Webpack, Docker, CI/CD, Unit Testing
Bonus: Terraform
Benefits:
MacBook Pro and modern equipment
Remote-first (UK-based)
25 days holiday + bank holidays
Flexible working (core hours 9:00–5:30)
Supportive, high-trust culture
Interested? Please Click Apply Now!
Senior Full-Stack Developer