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Application Integration Developer Jobs (NOW HIRING)

Polarits

Python Integration Developer

Hanover, MD · On-site

$50 - $69/hr

This role focuses on API-based integrations , application-to-application orchestration , and event ... Work closely with architects, product owners, QA, and DevOps to deliver reliable solutions.

Cornerstone Defense

Integration Developer

Reston, VA · On-site

$52.25 - $69.50/hr

Integration Developer Company Overview: Cornerstone Defense, in partnership with our military ... All development staff experience full exposure to application lifecycle management (ALM), which ...

DecisionPoint | Cortek

Senior Integration Developer

$120K - $125K/yr

Overview DecisionPoint seeks a Senior Integration Developer to lead the design, implementation, and sustainment of secure data and application integrations supporting a large-scale Department of ...

Bayesian Health

Software Engineer, Application Integration

$106K - $143K/yr

Software Engineer, Application Integration In Brief * We're a rapidly growing startup on a mission to make healthcare proactive by empowering physicians, nurses, and care team members with real-time ...

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As of Sep 11, 2026, the average hourly pay for application integration developer in the United States is $52.64, according to ZipRecruiter salary data. Most workers in this role earn between $42.31 and $60.58 per hour, depending on experience, location, and employer.

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Infographic showing various Application Integration Developer job openings in the United States as of September 2026, with employment types broken down into 50% Full Time, and 50% Contract. Highlights an 100% In-person job distribution, with an average salary of $109,490 per year, or $52.6 per hour.

Python Integration Developer

Hanover, MD • On-site

Polarits
See more jobs at Polaritsexternal

$50 - $69/hr

Other

Posted 20 days ago

Key responsibilities

  • Design, develop, and support enterprise integrations using Python, including API-based integrations and orchestration components.

  • Build and consume RESTful APIs and develop data transformation, validation, and orchestration logic using JSON/XML payloads.

  • Troubleshoot, debug, and resolve integration issues across various environments and implement operational support practices such as logging, monitoring, and alerting.

Job description

Job Title: Python Integration DeveloperLocation: Hanover, MD — Hybrid (3 days/week onsite)Experience Level: Mid–SeniorIt’s a W2 RoleJob Summary

We are seeking an experienced Integration Developer with strong Python development skills to build and support enterprise integrations across cloud platforms and internal systems. This role focuses on API-based integrations , application-to-application orchestration, and event-driven messaging (JMS ) with a strong emphasis on reliability, automated reprocessing, and production support readiness across Dev/SIT/UAT/Prod environments.

Key ResponsibilitiesIntegration Development & Orchestration
  • Design, develop, and support enterprise integrations using Python (services, orchestration components, automation utilities).
  • Build and consume RESTful APIs for system-to-system communication.
  • Develop data transformation, validation, enrichment, and orchestration logic using JSON/XML payloads.
  • Build application-to-application integration orchestrations, including resilient workflows and dependency coordination across systems.
Messaging / Event-Driven Integration
  • Implement and support event-driven and batch integrations using JMS (queues/topics), including message processing and recovery patterns.
  • Implement automated reprocessing patterns (retry, replay, dead-letter / suspended queue handling) to reduce manual intervention and improve stability.
Operational Readiness & Support
  • Troubleshoot, debug, and resolve integration issues across Dev, SIT, UAT , and Production environments.
  • Implement strong logging, monitoring, and alerting practices; ensure integrations are supportable in production with clear runbooks and operational checks.
  • Participate in release execution and deployment readiness activities (checklists, verification, rollback awareness), partnering with DevOps/ops teams as needed.
Collaboration & Quality
  • Work closely with architects, product owners, QA, and DevOps to deliver reliable solutions.
  • Participate in code reviews and follow best practices for security, performance, maintainability, and documentation.
Required Skills & Qualifications
  • Strong hands-on experience with building APIs with Python using FLASK or FASTAPI Frameworks.
  • Strong experience building/consuming REST APIs and Orchestrations working with AWS/Azure services like Amazon API Gateway, Lamda, Step Function, Amazon S3, Amazon SQS, MQ, Event Bridge, MSK (Managed Streaming for Apache Kafka), CloudWatch.
  • Experience building application-to-application integration orchestration solutions.
  • Solid understanding of JSON, XML , and transformation patterns.
  • Experience with middleware/integration concepts (message-driven design, orchestration, idempotency, retries, correlation IDs).
  • Experience implementing complex orchestrations with automatic re-processing (retry/replay, failure handling, re-queue patterns).
  • Familiarity with authentication and security patterns: OAuth2, API keys, token-based auth .
  • Experience with logging, monitoring, error handling, and operational troubleshooting.
  • Strong problem-solving, debugging, and root-cause analysis skills.
Preferred / Nice-to-Have
  • Experience with integration platforms such as MuleSoft , OIC, Boomi, or similar.
  • Experience integrating with ERP/HCM systems such as Oracle Fusion and PeopleSoft .
  • Experience with CI/CD pipelines and release promotion across environments.
  • Understanding of event-driven architectures and messaging systems beyond JMS (e.g., CDC, platform events).
  • Experience supporting production integrations, hypercare, and operational handoff practices (runbooks, monitoring, escalation readiness).
  • Bachelor’s degree in Computer Science, Engineering, or equivalent experience.
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