Senior Full-Stack JS Engineer - React/Node.js (Hybrid UK)

Delta Capita; United States; Hybrid; USD 93,000 - 145,000; Full time

Job summary

the company Group in London or Ipswich, UK, is seeking a Full Stack Javascript Developer to architect and build blockchain-enabled web apps spanning frontend, backend and data storage. You will mentor junior developers and drive performance and UX across financial services clients.

You will work with React, TypeScript, Node.js (Express/NestJS), PostgreSQL, RESTful APIs, Docker and Kubernetes. Strong JS/TS, Redux, CI/CD, testing, and a proactive approach to security and accessibility are

Qualifications

• Proven experience with React and backend Node.js/Express or NestJS.
• Strong JavaScript/TypeScript skills and responsive design knowledge.
• Experience designing RESTful APIs and modern web security practices.

Responsibilities

• Architect and develop responsive web applications using React and TypeScript with Node.js backend.
• Lead design and development of scalable, high‑performance applications.
• Implement security, accessibility, and performance best practices.
• Develop reusable components and libraries to boost efficiency.
• Perform code reviews, testing, and debugging to maintain quality.
• Stay updated on blockchain and software development trends.
• Provide technical leadership and mentor junior developers.
• Collaborate with product managers and UX designers to improve usability.
• Enhance development processes, including tooling, CI/CD and testing.

Skills

React

TypeScript

JavaScript

RESTful APIs

Git

CI/CD

Mentoring

Problem solving

Tools

Express/NestJS

Docker

Kubernetes

PostgreSQL

Redux

Job description

the company Group in London or Ipswich, UK, is seeking a Full Stack Javascript Developer to architect and build blockchain-enabled web apps spanning frontend, backend and data storage. You will mentor junior developers and drive performance and UX across financial services clients.

You will work with React, TypeScript, Node.js (Express/NestJS), PostgreSQL, RESTful APIs, Docker and Kubernetes. Strong JS/TS, Redux, CI/CD, testing, and a proactive approach to security and accessibility are