Full-Stack Software Engineer III

JPMorgan Chase & Co.; Greater London; On-site; GBP 85,000 - 125,000; Full time

Job summary

JPMorgan Chase & Co. is seeking a Software Engineer III within the Infrastructure Platforms, Data Center Services team to design, build, and scale trusted market-leading technology products.

You will contribute across frontend and backend developments, emphasizing secure, high-quality production code in a fast-paced agile environment. You will mentor junior engineers, collaborate on architecture, and leverage AI-assisted tools to improve code quality and delivery speed while upholding security

Qualifications

• Formal training or certification on software engineering concepts and proficient applied experience.
• 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) required.
• Experience developing, debugging, and maintaining code in a large-scale environment using modern programming and database querying languages.
• Solid understanding of agile methodologies, including CI/CD, resiliency, and security practices.
• Demonstrated knowledge of software applications and technical processes within a technical discipline (e.g., cloud or AI/ML).
• Working knowledge of the Software Development Life Cycle.
• Hands-on experience using enterprise-authorized AI-assisted software development tools with ability to critically evaluate AI outputs.

Responsibilities

• Apply advanced technical skills to 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 and synchronously with appropriate systems.
• Produce architecture and design artifacts for complex application components, ensuring design constraints are met in implementation.
• Gather, analyze, synthesize, and develop visualizations from large data sets in support of continuous improvement of software applications.
• Proactively identify hidden problems and patterns in data, and use these insights to drive improvements to coding hygiene and system architecture.
• Develop subject matter expertise in a specific technical domain relevant to Data Center Services (e.g., UI/UX, backend architecture, SDLC tooling, testing strategy, or operational support).
• Contribute to software engineering communities of practice and employee resource groups through facilitation, guest speaking, or content contribution.
• Mentor junior software engineers and actively support their technical growth and development.
• Leverages enterprise-authorized AI coding assist tools to improve code quality, delivery speed, and productivity, while validating outputs through peers, tests, and secure coding standards.
• Applies knowledge of SDLC tools including AI-assisted development to improve value realized by automation.

Skills

Software engineering fundamentals

Agile methodologies

Mentoring & coaching

Collaborative energy

Security practices

Education

Formal training or certification on software engineering concepts

Tools

React

Node.js

TypeScript

Python

AI-assisted development tools

Job description

Join a team that is redefining how enterprise infrastructure technology is built, delivered, and scaled. At JPMorganChase, we invest in our engineers — giving you access to cutting-edge tools, meaningful mentorship, and the opportunity to grow your career across one of the world's most complex and innovative technology organizations. Here, your work doesn't just support a product — it powers the infrastructure that keeps global markets moving.

As a Software Engineer III at JPMorganChase within the Infrastructure Platforms, Data Center Services team, you serve as a seasoned member of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible for carrying out critical technology solutions across multiple technical areas within various business functions in support of the firm's business objectives. In this role, you will bring both technical depth and collaborative energy to a team that values quality, innovation, and continuous improvement.

Job Responsibilities

• Apply advanced technical skills to 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 and synchronously with appropriate systems
• Produce architecture and design artifacts for complex application components, ensuring design constraints are met in implementation
• Gather, analyze, synthesize, and develop visualizations from large data sets in support of continuous improvement of software applications
• Proactively identify hidden problems and patterns in data, and use these insights to drive improvements to coding hygiene and system architecture
• Develop subject matter expertise in a specific technical domain relevant to Data Center Services (e.g., UI/UX, backend architecture, software development lifecycle tooling, testing strategy, or operational support)
• Contribute to software engineering communities of practice and employee resource groups through facilitation, guest speaking, or content contribution
• Mentor junior software engineers and actively support their technical growth and development
• Leverages enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards
• Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation

Required qualifications, capabilities, and skills

• Formal training or certification on software engineering concepts and proficient applied experience
• 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) required
• Experience developing, debugging, and maintaining code in a large-scale environment using modern programming and database querying languages
• Solid understanding of agile methodologies, including continuous integration/continuous delivery, application resiliency, and security practices
• Demonstrated knowledge of software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence/machine learning, or mobile)
• Working knowledge of the Software Development Life Cycle
• Hands-on experience using enterprise-authorized AI-assisted software development tools within the work environment (e.g., for coding, testing, troubleshooting, or documentation) with demonstrated ability to critically evaluate and validate AI-generated outputs
• Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations

Preferred qualifications, capabilities, and skills

• Familiarity with Python for backend services or tooling
• Exposure to cloud technologies and infrastructure-as-code practices
• Experience with artificial intelligence or machine learning concepts and tooling relevant to infrastructure and operations use cases