Senior Full-Stack Engineer — React/Node | Infra Platform

JPMorganChase; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

JPMorganChase is seeking a Software Engineer III in London within the Infrastructure Platforms, Data Center Services team. You will help design, build, and deliver scalable, secure software across frontend and backend services, collaborating in an agile environment to support global market infrastructure.

You will work on production-grade code, mentor peers, and leverage AI-assisted development tools while ensuring code quality and secure coding standards.

Qualifications

• Formal training or certification on software engineering concepts.
• Hands-on practical experience in system design, application development, testing, and operational stability.
• Proficiency in modern programming languages with strong experience in JavaScript/TypeScript (React, Node.js).
• Experience in large-scale environments and CI/CD practices.
• Understanding of secure coding practices and data security.

Responsibilities

• Design, develop, and deliver full-stack solutions across frontend (React) and backend (Node.js/TypeScript, Python) services.
• Create secure, high-quality production code and maintain algorithms that run reliably.
• Produce architecture and design artifacts for complex components, ensuring constraints are met.
• Mentor junior engineers and contribute to engineering communities of practice.

Skills

JavaScript/TypeScript

React

Node.js

Agile

CI/CD

Security best practices

Job description

JPMorganChase is seeking a Software Engineer III in London within the Infrastructure Platforms, Data Center Services team. You will help design, build, and deliver scalable, secure software across frontend and backend services, collaborating in an agile environment to support global market infrastructure.

You will work on production-grade code, mentor peers, and leverage AI-assisted development tools while ensuring code quality and secure coding standards.