Senior Full Stack Developer Node.js

We are currently partnering with a leading technology consultancy to recruit a

Senior Full-Stack Engineer to join their growing team. Youll be working on a production-critical trading platform for a large enterprise client, contributing to a system that is long-lived, high-performing, and continuously evolving. This is an opportunity to work in a highly experienced engineering environment where ownership, autonomy, and technical excellence are key. Key Responsibilities

Design, develop, and maintain features across a full-stack trading platform

Take end-to-end ownership of features from concept through to production

Build scalable applications using

TypeScript (Node.js & React)

Collaborate with DevOps teams on CI/CD pipelines, infrastructure, and observability

Work with technologies including

Redis, MS SQL, WebSockets

Contribute to automated testing using

Jest and Playwright

Participate in code reviews and uphold engineering best practices

Engage directly with stakeholders to understand and shape requirements

Utilise modern

AI/LLM development tools to enhance productivity

Technical Environment

TypeScript, Node.js, React

Docker, Kubernetes

GitHub & GitHub Actions

Grafana, Prometheus, SonarQube

Requirements

Minimum

8 years experience in software development

At least

3 years working with TypeScript , including Node.js and React

Proven experience building and maintaining production-grade systems

Comfortable working in a senior, autonomous team environment

Strong communication skills

Desirable Experience

Background in trading, financial services, or real-time systems

Exposure to functional programming (e.g. OCaml, Haskell)

Understanding of DevOps practices (monitoring, logging, automation)

Benefits

Hybrid working model (London-based)

£1,000 annual training allowance + dedicated learning days

Annual bonus (performance-based)

Stock options

Regular team events

Birthday off

Employee referral scheme

About the Client

Our client is a well-established engineering consultancy specialising in high-assurance systems and advanced technologies . They are known for delivering robust, scalable solutions and fostering a strong engineering culture focused on quality and innovation. If this role is of interest, please apply with your latest CV or reach out for a confidential discussion.

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