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# Sr Software Engineer I

- **Company:** American Express
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Artificial Intelligence, Cloud Computing, Cloud Engineering, Code Review, Continuous Integration, Github, Identity and Access Management, Key Management, PostgreSQL, MongoDB, MySQL, NoSQL, Scrum Methodology, Systems Development Life Cycle, Redis, Prometheus, Next.js, TypeScript, Software Vulnerability Management, WebSocket, Google Cloud, Enterprise Software Applications, ReactJS, Grafana, Spring-boot, Ios Frameworks, Build Server, Backend, Kubernetes, Graphql, Front End Software Development, Api Design, Api Gateway, Restful APIs, Terraform, Grpc, Api Management, Docker, Jenkins, Golang, Microservices
- **Published:** August 11, 2026
- **Apply:** https://eu.experteer.com/career/view-jobs/sr-software-engineer-i-london-grossbritannien-58902840

## About the Role

Go CI/CD pipelines (GitHub Actions, Cloud Build, Jenkins) * Create observability and monitoring using OpenTelemetry, Prometheus, Grafana, and logging solutions * Collaborate with Product, UX, Architecture, and Platform Engineering teams; perform architecture and code reviews; mentor engineers Tasks * 10+ years of enterprise full-stack experience * Strong backend with Golang, Java, Spring Boot; API design (REST, gRPC) and microservices * Frontend expertise with React.js, TypeScript, JavaScript, Next.js, UI frameworks * Experience with cloud-native development on Google Cloud Platform (GCP) and Kubernetes/Docker * CI/CD and IaC experience (Terraform, GitHub Actions, Jenkins) * Knowledge of testing (unit/integration/e2e) and observability (OpenTelemetry, Prometheus) * Security-focused SDLC, identity management, secrets management, and vulnerability remediation * Agile/Scrum experience with collaborative, code-review driven development Key requirements *

## Description

Experteer Overview Join American Express Enterprise Technology Services to design and deliver cloud-native, full-stack software at scale. You will work with cross-functional teams to build scalable backend in Go and rich frontend in React, shaping enterprise platforms and AI-enabled capabilities. This fast-paced transformation team emphasizes secure, observable, and high-availability systems that power cardmember experiences. You'll drive technical excellence, mentor peers, and contribute to a modern, resilient tech ecosystem. Pay / Benefits * Design and maintain cloud-native full-stack applications with Go backend and React/TypeScript frontend * Architect and build highly available microservices using REST, gRPC, and event-driven patterns * Develop secure backend services with authentication, authorization, and API gateways * Design and optimize relational and NoSQL databases (PostgreSQL, MySQL, MongoDB, Redis) * Build scalable API integrations (REST, GraphQL, WebSockets) and implement CI/CD pipelines (GitHub Actions, Cloud Build, Jenkins) * Create observability and monitoring using OpenTelemetry, Prometheus, Grafana, and logging solutions * Collaborate with Product, UX, Architecture, and Platform Engineering teams; perform architecture and code reviews; mentor engineers Tasks * 10+ years of enterprise full-stack experience * Strong backend with Golang, Java, Spring Boot; API design (REST, gRPC) and microservices * Frontend expertise with React.js, TypeScript, JavaScript, Next.js, UI frameworks * Experience with cloud-native development on Google Cloud Platform (GCP) and Kubernetes/Docker * CI/CD and IaC experience (Terraform, GitHub Actions, Jenkins) * Knowledge of testing (unit/integration/e2e) and observability (OpenTelemetry, Prometheus) * Security-focused SDLC, identity management, secrets management, and vulnerability remediation * Agile/Scrum experience with collaborative, code-review driven development Key requirements *


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