Software Engineer III - Full Stack React/Java

Salary: £62,000 - 102,000 per year

Requirements:

• Formal training or certification on software engineering concepts and proficient applied experience
• Hands-on practical experience in system design, frontend application development, testing, and operational stability
• Proficient in coding in one or more languages, with demonstrated strength in Java and building services with Spring Boot or equivalent frameworks
• Strong experience building frontend applications with React and TypeScript
• Experience working with design systems and component libraries, applying consistent user interface standards at scale
• Working knowledge of web accessibility principles and implementing accessible user interface patterns
• Experience developing, debugging, and maintaining code in a large-scale environment using one or more modern programming languages and database querying languages
• Solid understanding of agile methodologies, including continuous integration and delivery, application resiliency, and security practices
• Demonstrated knowledge of software applications and technical processes within a technical discipline such as cloud, artificial intelligence, machine learning, or mobile
• Hands-on experience using enterprise-authorized AI-assisted software development tools within the work environment, 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
• Familiarity with modern frontend technologies, including state management patterns, build tooling, and testing frameworks
• Experience with API design and integration patterns, including REST; exposure to event-driven architectures is a plus
• Exposure to cloud technologies and cloud-native development practices
• Experience building automated tests across the stack, including unit, integration, and user interface testing

Responsibilities:

• Execute software solutions across design, development, and technical troubleshooting, thinking beyond conventional approaches to break down complex problems and build scalable solutions
• Create secure, high-quality production code and maintain algorithms that run synchronously with appropriate systems
• Produce architecture and design artifacts for complex applications, ensuring design constraints are met throughout the software development lifecycle
• Build and maintain full-stack features in close partnership with product and design teams to deliver high-quality, accessible user experiences
• Develop modern web interfaces using React and TypeScript, leveraging reusable components and patterns aligned to established design systems
• Ensure user interface implementations follow accessibility best practices, including keyboard navigation, semantic markup, and assistive technology support
• Design and implement backend services and APIs using Java and Spring Boot, including integration with data stores and downstream systems
• Gather, analyze, and synthesize large, diverse data sets to develop visualizations and reporting that drive continuous improvement of software applications
• Proactively identify hidden problems and patterns in data, using insights to improve coding hygiene and system architecture
• Contribute to software engineering communities of practice and events that explore new and emerging technologies
• Leverage enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity, while validating outputs through peer review, automated testing, and secure coding standards
• Apply 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

Technologies:

• AI
• API
• Backend
• Cloud
• Frontend
• Support
• Java
• Machine Learning
• Marketing
• Mobile
• REST
• React
• Security
• Spring
• Spring Boot
• TypeScript
• Web
• Fullstack

More:

We are JPMorganChase within Risk Technology, and we offer an exciting opportunity for a Software Engineer III to grow your software engineering career in a seasoned agile team focused on designing and delivering trusted, market-leading technology products in a secure, stable, and scalable way. You will work across the full stack, from React and TypeScript frontends to Java and Spring Boot backend services, supporting our risk management objectives while collaborating with talented engineers and influencing technical direction. We are a global leader in financial services with a first-class business in a first-class way approach to serving clients, and we value diversity, inclusion, and reasonable accommodations. Our corporate functions span finance, risk, human resources, and marketing, and our teams help set our businesses, clients, customers, and employees up for success.

last updated 36 week of 2026