Senior Full-Stack JS Engineer – React/Node, FinTech

Delta Capita; Ipswich; Hybrid; GBP 60,000 - 95,000; Full time

Job summary

Delta Capita seeks a skilled Full Stack JavaScript Developer to build blockchain and DLT solutions at MACH. You will architect and deliver frontend, backend and database layers, optimise performance, and mentor junior developers across product teams.

Responsibilities include designing scalable web apps with React/TypeScript and Node.js, ensuring security, accessibility and performance, and driving CI/CD improvements while collaborating with product managers and UX designers.

Qualifications

• Experience with React and modern frontend tooling.
• Backend frameworks like Express/NestJS and RESTful APIs.
• Strong JavaScript/TypeScript, HTML5, CSS3, responsive design.
• Knowledge of PostgreSQL and relational DB design.
• Familiar with Redux or similar state management.
• Experience with Git, CI/CD pipelines and testing frameworks.
• Hands-on with Docker/Kubernetes and cloud services.
• Able to mentor juniors and lead technical discussions.

Responsibilities

• Architect, develop responsive web apps using React/TypeScript and Node.js.
• Lead design and development of scalable, high-performance applications.
• Implement security, accessibility, and performance best practices.
• Develop reusable components and libraries to improve efficiency.
• Perform code reviews, testing and debugging to ensure quality.
• Stay updated on blockchain and software trends and mentor juniors.

Skills

React

TypeScript

Node.js

Express/NestJS

RESTful APIs

Redux

PostgreSQL

CI/CD

Git

Docker

Kubernetes

AWS

Blockchain basics

Tools

Docker

Kubernetes

Helm

Git

CI/CD tooling

AWS

Job description

Delta Capita seeks a skilled Full Stack JavaScript Developer to build blockchain and DLT solutions at MACH. You will architect and deliver frontend, backend and database layers, optimise performance, and mentor junior developers across product teams.

Responsibilities include designing scalable web apps with React/TypeScript and Node.js, ensuring security, accessibility and performance, and driving CI/CD improvements while collaborating with product managers and UX designers.