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Sr. IT Application Solutions Architect (Full Stack Engineer)

Integration International Inc.

Washington · Hybrid Contract Senior $65 – $70/hr 2w ago

About the role

Job Summary

We are seeking a highly skilled Sr. IT Application Solutions Architect (Full Stack Engineer) to join a fast-paced Digital Technology & Innovation team. This role is ideal for a hands-on engineer with deep expertise in cloud-native application development, microservices architecture, API platforms, and modern full-stack technologies.

The ideal candidate will have strong experience with Java and Python development, AWS cloud services, reactive programming, and event-driven architecture. This role requires collaboration within Agile/SAFe teams and participation in important planning and technical ceremonies.

Key Responsibilities

  • Design, develop, and maintain scalable enterprise applications and API platforms
  • Build cloud-native microservices using Java, Python, and AWS technologies
  • Develop secure and high-performing RESTful APIs
  • Implement reactive programming patterns using Spring WebFlux and Project Reactor
  • Work with AWS services including Lambda, ECS, Fargate, API Gateway, DynamoDB, S3, Kinesis Streams, Step Functions, SQS, and SNS
  • Develop and deploy containerized applications using Docker
  • Implement Infrastructure as Code using CloudFormation
  • Build and maintain CI/CD pipelines for automated deployments
  • Collaborate with cross-functional Agile/SAFe teams
  • Participate in architecture discussions, code reviews, sprint planning, and PI planning sessions
  • Ensure application scalability, reliability, security, and performance
  • Support observability and monitoring initiatives

Required Qualifications

  • 10+ years of software development experience
  • Strong hands-on experience with Java 17+ and/or Python
  • Experience with Spring Boot, Spring WebFlux, and reactive programming
  • Expertise in REST API development and API security using OAuth2 and JWT
  • Strong experience with AWS cloud services
  • Hands-on experience with microservices and event-driven architecture
  • Experience with Docker and containerization technologies
  • Experience implementing CI/CD pipelines
  • Strong understanding of Agile/Scrum methodologies
  • Excellent communication and collaboration skills

Preferred Qualifications

  • Experience with Angular and/or Ionic Framework
  • Experience with Dynatrace or similar observability tools
  • SAFe Agile experience or certification
  • Experience with API Gateway solutions
  • Knowledge of concurrent programming and distributed systems

Skills

API GatewayAWSAWS CloudFormationAWS ECSAWS FargateAWS Kinesis StreamsAWS LambdaAWS SNSAWS SQSAWS Step FunctionsDockerDynamoDBJavaMicroservicesOAuth2PythonProject ReactorRESTS3Spring BootSpring WebFluxJWT

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