Sr Software Engineer II - Enterprise Architecture
About The Position
The Senior Software Engineer II will join 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 role designs, develops, and delivers scalable software across the full stack, using Java and Python to build enterprise platforms and services. It leads architecture and implementation of distributed systems and owns features through design, development, deployment, monitoring, and production support. The engineer provides technical leadership on an Agile team, mentors junior engineers, collaborates with architects and product and cross-functional teams, and helps shape technical direction. The position also advances engineering excellence, cloud-native adoption, system reliability, and developer productivity. American Express describes a culture grounded in innovation, shared values, leadership behaviors, and a commitment to customers, communities, and colleagues. The company offers support for colleague well-being, learning, and career development. Its Amex Flex working model may be onsite, hybrid, or fully virtual depending on the role and business needs. The posting does not provide a specific salary range; pay depends on location, experience, and other job-related factors.
Requirements
- 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 equivalents.
- Proven full-stack development experience, including backend services and modern frontend frameworks such as React or Angular.
- Strong experience building RESTful APIs, microservices architectures, and service-to-service integrations.
- Solid 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, 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.
- Lead the architecture and implementation of distributed systems, ensuring performance, reliability, and maintainability.
- Own feature delivery end to end, from design and development through deployment, monitoring, and production support.
- Serve 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, with strong service contracts and backward compatibility.
- Improve CI/CD pipelines, test automation, and developer productivity.
- Identify system bottlenecks, debug complex issues, and lead root-cause analysis and 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.
- Take ownership and accountability for 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
- Comprehensive 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, regardless of gender, for pregnancy, adoption, or surrogacy
- Free access to global onsite wellness centers staffed with nurses and doctors, depending on location
- Free and 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
