Senior Software Engineer II – Enterprise Architecture

American Express

. Design, develop, and deliver scalable, high-quality full-stack software solutions using Java and Python .

Posted 9/17/2026full-timePhoenix • Arizona • United StatesSenior💰 $123,000 - $215,250 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in full-stack software development with a strong focus on Java and Python, including building scalable RESTful APIs and microservices. Proficient in cloud-native development, CI/CD practices, and mentoring junior engineers while driving high-impact outcomes.

Highest-signal resume keywords

Java ExpertiseFull-Stack DevelopmentRESTful API DevelopmentCloud-Native DevelopmentCI/CD Pipeline Improvement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaPythonSpringSpring BootReactAngularPostgreSQLDockerKubernetesAWS

Soft Skills

MentoringCollaborationProblem-SolvingCommunication

Tools & Technologies

TerraformCloudFormationKafkaRabbitMQJenkinsGitHub ActionsGitLab CI

Certifications & Qualifications

Bachelor's Degree in Computer ScienceAdvanced Degree (Preferred)

Industry Keywords

AgileMicroservicesDistributed SystemsInfrastructure-as-CodeObservabilityAI/ML Concepts

Tech Stack

Tools & technologies

AngularAWSAzureCassandraCloudDistributed SystemsDockerDynamoDBGoogle Cloud PlatformJavaJenkinsKafkaKubernetesMicroservicesMongoDBMySQLNoSQLOraclePostgresPythonRabbitMQReactSpringSpring BootSpringBootTerraform

About the role

Key responsibilities & impact

Design, develop, and deliver scalable, high-quality full-stack software solutions using Java and Python
Lead the architecture and implementation of distributed systems
Own end-to-end feature delivery from design and development through deployment, monitoring, and production support
Drive coding standards, testing, documentation, and continuous delivery as a senior Agile team member
Mentor and guide 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 drive root-cause analysis with long-term fixes
Design for scalability, resilience, and observability, including monitoring, logging, and alerting
Contribute to cloud-native adoption, containerization, infrastructure-as-code, and auto-scaling architectures
Influence technical direction by proposing innovative, pragmatic solutions
Own accountability for high-impact outcomes aligned with team and organizational goals

Requirements

What you’ll need

6+ years of professional software development experience
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 and Spring Boot, or equivalent
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
Understanding of distributed systems, concurrency, scalability, and performance optimization
Experience with relational databases such as PostgreSQL, MySQL, or Oracle and/or NoSQL databases such as Cassandra, DynamoDB, or MongoDB
Experience with 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 AWS, Azure, or GCP and cloud-native development patterns
Experience in test data generation and unit test development and execution
Experience with API design standards, OpenAPI/Swagger, versioning, and contract-driven development
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, Engineering, or equivalent practical experience
Employment eligibility to work with American Express in the United States; visa sponsorship will not be pursued
Basic understanding of AI/ML concepts and Generative AI technologies, including LLMs, prompt engineering, and Retrieval-Augmented Generation (RAG), preferred
Advanced degree is a plus

Benefits

Comp & perks

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 paid parental leave for all parents, regardless of gender, offered for pregnancy, adoption or surrogacy
Free access to global on-site wellness centers staffed with nurses and doctors (depending on location)
Free and confidential counseling support through our Healthy Minds program
Career development and training opportunities