Lead Software Engineer - SDET

J.P. Morgan

J.P. Morgan

Software Engineering

London, UK

Posted on Apr 23, 2026

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.

Join us to shape the future of technology and quality assurance. You’ll have the opportunity to work with cutting-edge tools and frameworks, collaborating with a passionate team that values creativity and continuous improvement. We empower you to grow your skills and make a meaningful impact on our products and processes. If you thrive in a dynamic environment and enjoy solving complex challenges, this role is for you. Discover how you can advance your career while helping us deliver exceptional solutions.


As a Lead Software Development Engineer in Test (SDET) in our technology team, you will design, build, and support automated testing frameworks for backend applications. You will collaborate closely with developers and engineers to ensure robust, scalable, and reliable systems. Your expertise in Python, cloud technologies, and modern architecture will help us deliver high-quality products. You will play a key role in driving innovation and efficiency within our testing processes. Together, we foster a culture of learning, teamwork, and excellence.

Job Responsibilities:

  • Design and support automated testing frameworks for backend applications
  • Develop and maintain test scripts using Python3 and pytest
  • Implement and validate REST API functionality and principles
  • Apply modern microservice architecture concepts, including resiliency and load-balancing
  • Create and run Docker containers for testing environments
  • Build and manage CI/CD pipelines using Jenkins, GitHub Actions, or similar tools
  • Collaborate with team members to ensure quality and reliability
  • Troubleshoot and resolve issues in test automation and environments
  • Contribute to continuous improvement of testing processes
  • Document testing strategies and results
  • Stay current with industry trends and best practices

Required Qualifications, Capabilities, and Skills:

  • Prior experience as an SDET or Software Developer
  • Proficiency in Python3 and familiarity with testing frameworks (pytest preferred)
  • Experience designing and supporting automated testing frameworks for backend applications
  • Understanding of REST API design and hands-on experience
  • Knowledge of modern microservice architecture and concepts
  • Hands-on experience with Docker containers
  • Experience with at least one cloud provider: AWS, Azure, or GCP (AWS preferred)
  • Experience creating CI/CD pipelines with tools such as Jenkins or GitHub Actions (Jenkins preferred)

Preferred Qualifications, Capabilities, and Skills:

  • Experience with monitoring tools (Prometheus, Grafana, ELK, Datadog, Splunk, etc.)
  • Familiarity with backend frameworks like Spring, Micronaut, or Dropwizard (Spring is a big plus)
  • Experience with Kubernetes
  • Experience with non-functional testing
  • Knowledge of Infrastructure-as-Code concepts and tools like Terraform
  • Experience designing and supporting automated testing frameworks for frontend applications

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.
Our professionals in our Corporate Functions cover a diverse range of areas from finance and risk to human resources and marketing. Our corporate teams are an essential part of our company, ensuring that we’re setting our businesses, clients, customers and employees up for success.
Drive quality and innovation by designing automated testing solutions for backend systems and cloud environments.
See more open positions at J.P. Morgan