[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All American Express jobs](https://jobs.opennash.com/companies/american-express/) · [Search jobs](/search/) American Express · New York, NY # Sr Software Engineer II - Enterprise Architecture New York, NY, United States Hybrid Full-time Senior individual contributor Software Engineering Listed on American Express’s official careers site. Posted October 14, 2026. Check that it is still open and apply there. [Apply on American Express’s careers site →](https://egug.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/26014613) [OpenNash Jobs](https://jobs.opennash.com/) / [American Express](https://jobs.opennash.com/companies/american-express/) / Sr Software Engineer II - Enterprise Architecture ## Job description ### About Enterprise Architecture Enterprise Architecture is an organization within the Chief Technology Office at American Express and it is a key enabler of the company’s technology strategy. The four pillars of Enterprise Architecture include: Architecture as Code: this pillar owns and operates foundational technologies that are leveraged by engineering teams across the enterprise. ### Architecture as Design this pillar includes the solution and technical design for transformation programs and business critical projects which need architectural guidance and support. ### Governance this pillar is responsible for defining technical standards, and developing innovative tools that automate controls to ensure compliance. ### Colleague Enablement this pillar is focused on colleague development, recognition, training, and enterprise outreach. ## Responsibilities - Design, develop, and deliver scalable, high-quality software solutions across the full stack, leveraging Java and Python for enterprise-grade platforms and services - Lead the architecture and implementation of distributed systems, ensuring performance, reliability, and maintainability - Own end-to-end delivery of features—from design and development to deployment, monitoring, and support in production environments - Act as a senior member of an Agile team, driving best practices in coding standards, testing, documentation, and continuous delivery - Mentor and guide junior engineers, providing technical leadership through code reviews, design discussions, and knowledge sharing - Collaborate closely 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, ensuring strong service contracts and backward compatibility Champion engineering excellence by improving CI/CD pipelines, test automation, and developer productivity Proactively identify system bottlenecks, debug complex issues, and drive root-cause analysis with long-term fixes - Design systems 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 and challenge the status quo by proposing innovative, pragmatic solutions - Take ownership and accountability for delivering high-impact outcomes aligned with team and organizational goals ## Qualifications - 6+ years of professional software development experience with strong expertise in Java and working knowledge of Python for backend or data-driven applications Deep experience with Java ecosystems and frameworks such as Spring, Spring Boot, or equivalent - Proven experience in full-stack development, including backend services and modern frontend frameworks (e.g., React, Angular, or similar) - 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 (PostgreSQL, MySQL, Oracle) and/or NoSQL databases (Cassandra, DynamoDB, MongoDB) Experience with containerization and orchestration (Docker, Kubernetes) - Familiarity with infrastructure-as-code tools (Terraform, CloudFormation, etc.) Experience with messaging and streaming platforms such as Kafka, RabbitMQ, or JMS Practical experience with cloud platforms (AWS, Azure, or GCP) and cloud-native development patterns Hands-on experience in test data generation and unit test development and execution Preferred: Basic understanding of AI/ML concepts and Generative AI technologies, including LLMs, prompt engineering, and Retrieval-Augmented Generation (RAG) Experience with API design standards, OpenAPI/Swagger, versioning, and contract-driven development Hands-on experience with CI/CD pipelines and tools (Jenkins, GitHub Actions, GitLab CI, etc.) - Proficiency in Agile/Scrum methodologies and modern software development lifecycle practices - Bachelor’s degree in computer science, Engineering, or equivalent practical experience (advanced degree is a plus) ## At a glance - Posted by the employer: Oct 14, 2026 - First seen by OpenNash: Oct 18, 2026 - Last checked: Oct 18, 2026 - Listed for: 4 days - Location: New York, NY, United States - Work arrangement: Hybrid - Employment type: Full-time[Apply on American Express’s careers site →](https://egug.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/26014613) ## More jobs at American Express ### [Campus Graduate Masters Full-Time Engineer - 2027 Software Engineer II, Enterprise Technology Services- New York, NY](https://jobs.opennash.com/companies/american-express/jobs/eff9c7904d8738c88539/) New York, NY, United States ### [Campus Graduate Masters Summer Internship Program - 2027 Software Engineer, Enterprise Technology Services- New York, NY](https://jobs.opennash.com/companies/american-express/jobs/d088babe5a6d66f55000/) New York, NY, United States ### [Campus Undergraduate Full-Time Engineer - 2027 Software Engineer I, Enterprise Technology Services- New York, NY](https://jobs.opennash.com/companies/american-express/jobs/e46eeee7bd836f83d97f/) New York, NY, United States ### [Director-Software Engineering](https://jobs.opennash.com/companies/american-express/jobs/cfcbfd0aeb83e19857c0/) New York, NY, United States ### [Senior Software Engineer - 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