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Developer – Integration, API Development

Software EngineerSoftware EngineerOtherRemoteLeadTeam 501-1,000H1B No SponsorCompany SiteLinkedIn

Location

Virginia

Posted

106 days ago

Salary

0

Seniority

Lead

Bachelor Degree8 yrs expExperience acceptedEnglishAWSETLJavaJavaScriptJenkinsMicroservicesNode.jsPythonRaySOAPTerraform

Job Description

Developer – Integration, API Development

ARETUM

• Design and implement secure integration interfaces (RESTful APIs, SOAP, message queues, file-based) connecting vendor applications with client data systems • Develop data orchestration workflows using AWS services (Lambda, Step Functions, EventBridge, SQS/SNS) • Use VA-endorsed interoperability standards including FHIR R4, CDS Hooks, and SMART on FHIR • Build error handling, retry logic, and dead-letter queue patterns for distributed system reliability • Implement data transformation and validation logic to reconcile disparate source system formats • Create reusable integration patterns and libraries for scaling to 130+ system instances • Work with vendor-supplied containers to understand integration points and API requirements • Design and implement fault-tolerant integration patterns with automatic retry, circuit breaker, and graceful degradation strategies • Build multi-AZ deployment architectures ensuring integration availability during infrastructure failures • Develop idempotent APIs and workflows to handle duplicate processing and enable safe retries • Implement health checks, readiness probes, and self-healing mechanisms for integration endpoints • Create disaster recovery procedures including backup strategies, failover mechanisms, and recovery time objective (RTO) compliance • Design for horizontal scalability to handle variable workload demands across millions of client records • Implement secure integration patterns including encryption (at-rest and in-transit), authentication/authorization (OAuth, API keys, IAM roles), and input validation • Apply least-privilege IAM policies for cross-service and cross-account access • Implement audit logging and traceability for compliance requirements • Handle PII, PHI and other sensitive client data according to federal data protection standards • Support RMF/ATO process by documenting security controls and providing evidence for assessment • Develop comprehensive integration test suites (unit, integration, end-to-end) • Create test data sets and mocking strategies for isolated component testing • Perform load and performance testing on integration endpoints • Support security testing and vulnerability remediation activities • Document test plans, test cases, and test results for compliance review • Build serverless integration workflows using Lambda functions and Step Functions state machines • Configure API Gateway for RESTful endpoint exposure with throttling and authorization • Implement event-driven architectures using EventBridge, SNS, and SQS • Manage secrets and configuration using Secrets Manager and Parameter Store • Monitor integration health using CloudWatch metrics, logs, and alarms • Deploy infrastructure-as-code using AWS SAM, CloudFormation, or Terraform

Job Requirements

  • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field
  • Relevant professional certifications and demonstrated experience may supplement education
  • 8+ years software development experience with focus on integration and API development
  • 5+ years hands-on AWS development experience
  • 3+ years in a senior development role
  • Experience integrating with COTS/vendor applications (not building from scratch)
  • Background working with containerized applications and microservices architectures
  • Programming Languages: Python, Java, or Node.js (proficiency in at least one)
  • AWS Services: Lambda, Step Functions, API Gateway, EventBridge, SQS, SNS, S3, IAM, Secrets Manager, CloudWatch
  • Integration Patterns: RESTful APIs, asynchronous messaging, event-driven architecture, ETL workflows
  • Security: OAuth 2.0, JWT, API authentication/authorization, encryption libraries, input validation
  • CI/CD: Experience with AWS CodePipeline, CodeBuild, GitHub Actions, or Jenkins including security scanning integration
  • Infrastructure-as-Code: AWS SAM, CloudFormation, or Terraform (basic understanding)
  • Data Formats: JSON, XML, CSV, Parquet; experience with schema validation
  • Version Control: Git workflows, branching strategies, pull request processes
  • Monitoring & Debugging: CloudWatch Logs, X-Ray tracing, application performance monitoring

Benefits

  • Health Care Plan (Medical, Dental & Vision)
  • Retirement Plan (401k)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off
  • Family Leave (Maternity, Paternity)
  • Short Term & Long-Term Disability
  • Training & Development

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