Sr Software Engineer I
About The Position
The Sr Software Engineer I role is part of Enterprise Architecture, an organization within American Express’s Chief Technology Office that enables the company’s technology strategy. Enterprise Architecture includes Architecture as Code, Architecture as Design, Governance, and Colleague Enablement. The engineer designs, develops, and delivers enterprise-grade full-stack software and distributed systems using Java and Python. The role owns feature delivery end to end, from design and implementation through deployment, production monitoring, and support. It provides technical leadership within an Agile team, supports engineering quality and developer productivity, and collaborates with architects, product managers, and cross-functional partners to turn business needs into scalable technical solutions. The position also contributes to cloud-native development, API and microservice evolution, system reliability and observability, and the improvement of engineering practices. American Express describes a flexible working model that may be onsite, hybrid, or virtual depending on the role and business needs. The salary range is referenced, but no figures are provided in the supplied posting.
Requirements
- At least 6 years of professional software development experience, with strong Java expertise and working knowledge of Python for backend or data-driven applications.
- Deep experience with Java ecosystems and frameworks such as Spring or Spring Boot, or equivalent.
- Experience in full-stack development, including backend services and modern frontend frameworks such as React or Angular.
- Strong experience building RESTful APIs, microservices architectures, and service-to-service integrations.
- Understanding of distributed systems, concurrency, scalability, and performance optimization.
- Hands-on experience with relational databases such as PostgreSQL, MySQL, or Oracle, and/or NoSQL databases such as Cassandra, DynamoDB, or MongoDB.
- Experience with containerization and orchestration tools such as Docker and Kubernetes.
- Familiarity with infrastructure-as-code tools such as Terraform or CloudFormation.
- Experience with messaging and streaming platforms such as Kafka, RabbitMQ, or JMS.
- Practical experience with cloud platforms such as AWS, Azure, or GCP and cloud-native development patterns.
- Hands-on experience generating test data and developing and executing unit tests.
- Experience with API design standards, OpenAPI/Swagger, versioning, and contract-driven development.
- Hands-on experience with CI/CD pipelines and tools such as Jenkins, GitHub Actions, or GitLab CI.
- Proficiency in Agile/Scrum methodologies and modern software development lifecycle practices.
- Bachelor’s degree in computer science or engineering, or equivalent practical experience.
Nice To Haves
- Basic understanding of AI/ML concepts and Generative AI technologies, including LLMs, prompt engineering, and Retrieval-Augmented Generation (RAG).
- An advanced degree is a plus.
Responsibilities
- Design, develop, and deliver scalable, high-quality full-stack software solutions using Java and Python for enterprise platforms and services.
- Lead the architecture and implementation of distributed systems, focusing on performance, reliability, and maintainability.
- Own end-to-end feature delivery, from design and development through deployment, production monitoring, and support.
- Act as a senior member of an Agile team and promote coding standards, testing, documentation, and continuous delivery best practices.
- Mentor junior engineers through code reviews, design discussions, and knowledge sharing.
- Collaborate with architects, product managers, and cross-functional teams to translate business requirements into scalable technical solutions.
- Build and evolve RESTful APIs, microservices, and event-driven systems while maintaining strong service contracts and backward compatibility.
- Improve CI/CD pipelines, test automation, and developer productivity.
- Identify system bottlenecks, debug complex issues, and conduct root-cause analysis to implement long-term fixes.
- Design for scalability, resilience, and observability, including monitoring, logging, and alerting strategies.
- Contribute to cloud-native adoption, including containerization, infrastructure-as-code, and auto-scaling architectures.
- Influence technical direction by proposing innovative, pragmatic solutions and constructively challenging existing approaches.
- Take accountability for delivering high-impact outcomes aligned with team and organizational goals.
Benefits
- Competitive base salaries
- Bonus incentives
- 6% company match on retirement savings plan
- Free financial coaching and financial well-being support
- Medical, dental, vision, life insurance, and disability benefits
- Flexible working model, with hybrid, onsite, or virtual arrangements depending on role and business need
- 20+ weeks of paid parental leave for all parents, including for pregnancy, adoption, or surrogacy
- Free access to global onsite wellness centers staffed with nurses and doctors, depending on location
- Free confidential counseling support through the Healthy Minds program
- Career development and training opportunities
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What This Job Offers
Job Type
Full-time
Career Level
Senior
