Senior Software Engineer

Senior Software Engineer I AMEX
• Burgess Hill, West Sussex, United Kingdom

Hybrid

At American Express, our culture is built on a 175-year history of innovation, shared leadership behaviors, and an unwavering commitment to back our customers, communities, and colleagues. As part of Team Amex, you'll experience this powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career.

Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express.

As part of our diverse tech team, you can architect, code and ship software that makes us an essential part of our customers’ digital lives. You will work alongside talented engineers in an open, supportive, inclusive environment where your voice is valued, and you make your own decisions on what tech to use to solve challenging problems. Amex offers a range of opportunities to work with the latest technologies and encourages you to back the broader engineering community through open source.

We provide dedicated time to invest in your professional development.

We are on a journey to develop a best‑in‑class, modern document and report storage solution for the enterprise, to support the digital‑first strategy, improve cost efficiency, and ensure better self‑service for all our consumers as part of our technology roadmap. With over 30 billion servicing communications stored, continuing to invest in innovation, modernization, and leading‑edge technologies is critically important as we move through our platform and product journey.

We are looking for a Senior Software Engineer I to deliver world‑class software solutions supporting our platform vision. This includes using a leading‑edge modern technology stack, fostering an engineering culture of excellence, supporting legacy mainframe applications, innovating with new capabilities, designing and building APIs, and cultivating continual improvement in system quality, performance, and robust coding frameworks.

Translate user needs into system requirements, partner with Solution Architect and Senior Engineer to ensure design meets technology standards and uses appropriate design patterns. Develop software applications to high coding standards, ensure code is testable throughout and meets the resilience of test automation tools. Measure and optimize application code performance and integration of component systems. Support deployment of changes into production.

Ensure adherence to CI/CD toolsets.

Member of a product engineering team within the US Consumer Services and Enterprise Digital & Data Technology, reporting to an Engineering Director.

• University degree in computer science, computer engineering, or other technical discipline
• 8+ years of mainframe application support and mainframe application development
• Function as member of an agile team by contributing to application support & software builds through consistent development practices (tools, common components, and documentation)
• Ability to effectively interpret technical and business objectives and challenges and articulate solutions
• Hands‑on expertise with application design
• Willingness to learn new technologies and exploit them to their optimal potential
• Experience with design and coding across one or more platforms
• Participate in code reviews and automated testing
• Debug software components and identify code defects for remediation
• Enable the deployment, support, and monitoring of software across test, integration, and production environments
• Automate deployments in test or production environments
• At the core of Software Engineering, the candidate must be able to demonstrate some of the following core competencies:

• Mainframe application support and application development experience.
• Experience with the support of the Systemware Product Suite. This is a critical experience requirement.
• Supervises and mentors Software Engineers and cross‑functional team of colleagues in…