Senior Software Engineer I – Enterprise Architecture

American Express

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

Posted 10/9/2026full-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, alongside proficiency in building scalable RESTful APIs and microservices. Capable of leading Agile teams, mentoring junior engineers, and driving continuous delivery practices while ensuring system scalability and performance optimization.

Highest-signal resume keywords

Java DevelopmentFull-Stack DevelopmentRESTful API DevelopmentMicroservices ArchitectureAgile/Scrum Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaPythonSpringSpring BootReactAngularPostgreSQLDockerKubernetesCI/CD

Soft Skills

MentoringCollaborationProblem-SolvingCommunication

Tools & Technologies

AWSAzureGCPTerraformCloudFormationKafkaRabbitMQJenkinsGitHub ActionsGitLab CI

Industry Keywords

Distributed SystemsCloud-Native DevelopmentInfrastructure-as-CodePerformance OptimizationTest Automation

Tech Stack

Tools & technologies

AngularAWSAzureCassandraCloudDistributed SystemsDockerDynamoDBGoogle Cloud PlatformJavaJenkinsKafkaKubernetesMicroservicesMongoDBMySQLNoSQLOraclePostgresPythonRabbitMQReactSpringSpring BootSpringBootTerraform

About the role

Key responsibilities & impact

Design, develop, and deliver scalable, high-quality software solutions across the full stack 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
Act as a senior member of an Agile team, driving coding, testing, documentation, and continuous delivery best practices
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
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 delivery of high-impact outcomes aligned with organizational goals

Requirements

What you’ll need

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
Basic understanding of AI/ML concepts and Generative AI technologies, including LLMs, prompt engineering, and Retrieval-Augmented Generation (RAG) preferred
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

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