At a Glance
- Tasks: Design and develop innovative software solutions using cutting-edge technologies.
- Company: Join American Express, a leader in financial services and technology innovation.
- Benefits: Enjoy competitive salary, health benefits, and opportunities for remote work.
- Other info: Collaborative environment with strong focus on career growth and mentorship.
- Why this job: Be part of a dynamic team transforming payment products and services.
- Qualifications: 10+ years in software development with expertise in Golang and React.js.
The predicted salary is between 67500 - 82500 £ per year.
The Enterprise Technology Services organization partners with every part of the American Express business to power the company’s growth and innovation with trust and efficiency, and drive competitive differentiation with speed. We support the delivery and operations of technology, digital, and data capabilities, platforms, and services globally. Specifically, our team is responsible for the company’s technology engineering, architecture, and infrastructure, providing 24x7 support to ensure an uninterrupted, high-quality experience for customers and colleagues.
We also provide product management for core enterprise platforms, and lead technology risk and information security, enterprise data governance and platforms, digital product and design, and enterprise AI platforms on behalf of the company. American Express is embarking on an exciting transformation driven by an energetic new team of high performers. This group is nimble and creative with the power to shape our technology and product roadmap. If you have the talent and desire to deliver innovative payment products and services at a rapid pace, serving our customers seamlessly across physical, digital, mobile, and social media, join our transformation team!
You will be part of a fast-paced, entrepreneurial team responsible for delivering world-class cardmember experiences. We are looking for an innovative, experienced, and talented senior software engineer who will work closely with business unit and development team to develop new system capabilities as defined within the technical/functional specifications.
Responsibilities:- Design, develop, and maintain scalable, cloud-native full-stack applications using Golang for backend services and React.js, TypeScript, and modern frontend frameworks for rich, responsive user experiences.
- Architect and develop highly available microservices using Go, RESTful APIs, gRPC, event-driven architectures, and asynchronous messaging technologies.
- Build modern frontend applications using React.js, TypeScript, JavaScript (ES6+), HTML5, CSS3, and component-based architectures with reusable UI libraries and design systems.
- Develop secure backend services using Go, implementing authentication, authorization, API gateways, caching, concurrency patterns, and distributed transaction management.
- Design and optimize relational and NoSQL databases including PostgreSQL, MySQL, Cloud SQL, MongoDB, Redis, and BigQuery.
- Build scalable API integrations using REST, GraphQL, gRPC, WebSockets, and event streaming technologies such as Kafka or Google Pub/Sub.
- Deploy and operate cloud-native applications on Google Cloud Platform (GCP) using services including GKE, Cloud Run, Cloud Functions, Cloud Storage, Cloud SQL, Pub/Sub, Secret Manager, IAM, Load Balancing, API Gateway, Memorystore, and Vertex AI.
- Implement Infrastructure as Code (IaC) using Terraform, automate deployments through GitHub Actions, Cloud Build, Jenkins, and Docker/Kubernetes-based CI/CD pipelines.
- Design resilient, secure, and observable distributed systems using OpenTelemetry, Cloud Monitoring, Prometheus, Grafana, Datadog, and centralized logging solutions.
- Collaborate closely with Product, UX, Architecture, and Platform Engineering teams to deliver scalable, secure, and high-quality software solutions.
- Conduct architecture reviews, perform code reviews, mentor engineers, and promote engineering best practices across frontend, backend, and cloud platforms.
- Bachelor's degree in Computer Science, Engineering, or a related discipline with 10+ years of experience designing, developing, and delivering enterprise-scale full-stack software solutions.
- Strong experience developing backend services using Golang, Java, Spring Boot, and modern API frameworks, with expertise in designing scalable RESTful APIs, gRPC services, microservices, and distributed systems.
- Extensive frontend development experience using React.js, TypeScript, JavaScript (ES6+), Next.js, HTML5, CSS3, and modern UI frameworks such as Material UI or Tailwind CSS, with strong knowledge of responsive design, accessibility (WCAG), and component-driven architecture.
- Experience building end-to-end full-stack applications by integrating modern frontend frameworks with cloud-native backend services, including state management (Redux Toolkit, React Query, Context API), authentication (OAuth2, OpenID Connect, JWT), and API integration using REST, GraphQL, and WebSockets.
- Experience building and deploying cloud-native applications using Docker, Kubernetes, Helm, and container orchestration platforms, with a strong understanding of scalability, resilience, and high availability.
- Experience designing distributed systems using microservices, event-driven architectures, messaging platforms (Kafka, Google Pub/Sub), caching technologies (Redis), and asynchronous communication patterns.
- Demonstrated ability to leverage AI tools for software engineering productivity, including intelligent code generation, automated testing, documentation generation, code reviews, refactoring, debugging, and developer workflow automation using GitHub Copilot, Gemini Code Assist, ChatGPT, and similar platforms.
- Strong knowledge of frontend and backend testing methodologies, including unit testing, integration testing, end-to-end testing, and API testing using tools such as Jest, React Testing Library, Playwright, Cypress, Go testing, and Postman.
- Experience implementing observability and operational excellence using OpenTelemetry, Prometheus, Grafana, Google Cloud Monitoring, Cloud Logging, and application performance monitoring tools.
- Strong understanding of application security, cloud security best practices, OWASP principles, secure software development lifecycle (SSDLC), identity management, secrets management, and vulnerability remediation.
- Experience working in Agile/Scrum environments with GitHub-based collaborative development practices, code reviews, mentoring engineers, and driving technical excellence across full-stack engineering teams.
- Knowledge of payments industry.
- Experience with coding skills across a variety of distributed technologies.
- Experience with a broad range of software languages and payments technologies.
Considerations for sponsorship: Depending on factors such as business unit requirements, the nature of the position, cost and applicable laws, American Express may provide visa sponsorship for certain positions.
Sr Software Engineer I in London employer: American Express
American Express is an exceptional employer that fosters a culture of innovation and collaboration, empowering employees to thrive in their careers. With a strong commitment to holistic well-being, the company offers competitive salaries, comprehensive benefits, and flexible working arrangements, ensuring that team members can balance their personal and professional lives effectively. The opportunity for career development and mentorship within a globally recognised financial services leader makes American Express an attractive choice for those seeking meaningful and rewarding employment in the heart of the UK.
StudySmarter Expert Advice🤫
We think this is how you could land Sr Software Engineer I in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at American Express or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to American Express.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like American Express.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like American Express that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Sr Software Engineer I in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at American Express.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at American Express and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at American Express
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If American Express uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
