Software Engineer III - Java

JPMorgan Chase & Co.; Glasgow; On-site; GBP 60,000 - 90,000; Full time

Job summary

JPMorgan Chase & Co. in the United Kingdom is seeking an experienced Java Software Engineer for the Payments Developer Portal to design, develop, and maintain backend services powering our public-facing web portal.

You will work with product partners to deliver customer-facing capabilities and internal enablement, driving platform security and developer self-service. The role emphasizes modern engineering practices, collaboration across functions, and responsible AI-assisted development to

Qualifications

• Strong Java proficiency (Java 11/17+) and concurrency fundamentals.
• Experience with Spring Boot and REST services.
• Design and implement RESTful APIs with OpenAPI guidance.
• Secure coding and safe data handling.
• Unit/integration testing with JUnit/Mockito.
• Experience designing resilient integrations and microservices.
• Exposure to CI/CD and agile development practices.

Responsibilities

• Collaborate with technical teams, product partners, and stakeholders to deliver customer-facing capabilities and internal enablement.
• Design, develop, and maintain secure, high-quality production Java services (APIs and supporting components), reviewing and debugging code.
• Contribute to decisions influencing product design, API design, application functionality, and technical operations.
• Build and integrate services supporting portal experiences such as API discovery, documentation delivery, onboarding flows, entitlements, analytics, and developer self-service.
• Implement and advocate for security best practices, including secure coding, secrets handling, authentication/authorization, and data protection.
• Participate in agile ceremonies and promote modern engineering practices (CI/CD, automated testing, trunk-based development, resiliency patterns).
• Add to the team culture of diversity, equity, inclusion, and respect.
• Leverage 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.
• 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.

Skills

Java programming

Concurrency fundamentals

REST API design

Automated testing

CI/CD pipelines

Secure coding

Team collaboration

AI-assisted tools

Tools

Spring Boot

JUnit

Mockito

OpenAPI

Docker

Kubernetes

Job description

Introductory Marketing Language

Join us to shape the future of payments technology through innovative backend development. You’ll have the opportunity to make a real impact, grow your career, and collaborate with a diverse, inclusive team. We value your expertise and encourage you to bring your ideas to the table. Experience a culture that supports your development and celebrates your contributions. Together, we’re building solutions that empower both our customers and our developers.

Job Summary

As a Java Software Engineer in the Payments Developer Portal team, you will design, develop, and maintain backend services that power our public-facing web portal. You will work closely with product partners and technical teams to deliver customer-facing capabilities and internal enablement. Your contributions will drive business impact, enhance platform security and resiliency, and support developer self-service. You will help foster a culture of diversity, equity, inclusion, and respect while advancing modern engineering practices.

Job Responsibilities

• Collaborate with technical teams, product partners, and stakeholders to deliver customer-facing capabilities and internal enablement
• Design, develop, and maintain secure, high-quality production Java services (APIs and supporting components), reviewing and debugging code
• Contribute to decisions influencing product design, API design, application functionality, and technical operations
• Build and integrate services supporting portal experiences such as API discovery, documentation delivery, onboarding flows, entitlements, analytics, and developer self-service
• Implement and advocate for security best practices, including secure coding, secrets handling, authentication/authorization, and data protection
• Participate in agile ceremonies and promote modern engineering practices (CI/CD, automated testing, trunk-based development, resiliency patterns)
• Add to the team culture of diversity, equity, inclusion, and respect
• Leverage 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
• 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

Required Qualifications, Capabilities, and Skills

• Strong proficiency with modern Java (e.g., Java 11/17+), concurrency fundamentals, and performance-aware coding
• Experience building services with Spring / Spring Boot, including dependency injection, configuration, and REST services
• Strong experience designing and implementing RESTful APIs, schema/versioning practices, and contract-first or OpenAPI-driven development
• Hands-on experience with secure coding and safe data handling
• Unit/integration testing (e.g., JUnit, Mockito) and ability to build effective automated test coverage
• Experience interacting with downstream services, troubleshooting integration issues, and designing for resiliency (timeouts, retries, circuit breakers)
• Practical experience with relational databases and SQL; familiarity with caching patterns is a plus
• Exposure to agile methodologies, CI/CD pipelines, and production support practices (monitoring, on-call readiness, post-incident reviews)
• Strong communication skills and ability to collaborate across functions
• 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

• Experience with AWS services relevant to backend platforms (e.g., IAM, ECS/EKS, EC2, S3, RDS/Aurora, CloudWatch, API Gateway, Lambda)
• Familiarity with microservices, service decomposition, event-driven patterns, and domain-driven design
• Experience with containerization and orchestration tools such as Docker and Kubernetes
• Understanding of Infrastructure as Code tools (e.g., Terraform) and environment provisioning
• Experience with observability tools and concepts (logging, metrics, tracing, OpenTelemetry)
• Exposure to integrating AI capabilities (semantic search, retrieval-based Q&A, content summarization) with attention to quality, privacy, and governance
• Understanding of modern application infrastructure design and non-functional requirements (security, scalability, availability)
• Familiarity with caching technologies (e.g., Redis or in-memory caching patterns)

Why Join Us?

If you’re ready to make an impact and grow your career in a collaborative, innovative environment, we invite you to join us and help shape the future of payments technology.

J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world’s most prominent corporations, governments, wealthy individuals and institutional investors. Our first-class business in a first-class way approach to serving clients drives everything we do. We strive to build trusted, long-term partnerships to help our clients achieve their business objectives.

We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.