Integration Engineer

Simply Source Outsourcing; Cavite City; On-site; PHP 900,000 - 1,300,000; Full time

Job summary

Simply Source Outsourcing seeks a Senior-level backend/integration engineer to own the technical integration between an external exposure scanner and a client platform. You will ensure reliable API communication, secure job processing, data delivery, testing, and end-to-end integration.

You will design and maintain API contracts, build integrations for scan jobs, implement idempotency, retries, and versioning, and develop contract tests.

Qualifications

• Senior-level backend/integration engineering experience required.
• Strong experience with REST APIs, JSON, schemas, webhooks/messaging, and distributed systems.
• Solid understanding of API versioning, authentication, idempotency, retries, and error handling.
• Experience with Azure Service Bus or similar asynchronous messaging platforms.
• Experience integrating independently deployed systems.
• Strong testing and documentation practices.
• Security awareness around authorization and handling of sensitive data.

Responsibilities

• Design and maintain API/data contracts between independently deployed systems.
• Build integrations for scan jobs, status updates, findings, context, and evidence.
• Implement idempotency, retries, error handling, and versioning.
• Develop integration test fixtures, payloads, and contract tests.
• Work with external engineering teams on data mapping and integration requirements.
• Support staging, end-to-end testing, pilot troubleshooting, and technical documentation.
• Ensure integration failures are observable and recoverable.

Skills

Backend integration

Integration engineering

REST APIs

Webhooks/Messaging

Distributed systems

API versioning

Authentication

Idempotency

Retries

Testing practices

Security awareness

Azure Service Bus

Tools

Azure Service Bus

Job description

About the role

This role will own the technical integration between an external exposure scanner and a client platform, ensuring reliable API communication, secure job processing, data delivery, testing, and end-to-end integration.

Key responsibilities

• Design and maintain API/data contracts between independently deployed systems
• Build integrations for scan jobs, status updates, findings, context, and evidence
• Implement idempotency, retries, error handling, and versioning
• Develop integration test fixtures, payloads, and contract tests
• Work with external engineering teams on data mapping and integration requirements
• Support staging, end-to-end testing, pilot troubleshooting, and technical documentation
• Ensure integration failures are observable and recoverable

About you

• Senior-level experience in backend/integration engineering
• Strong experience with REST APIs, JSON, schemas, webhooks/messaging, and distributed systems
• Solid understanding of API versioning, authentication, idempotency, retries, and error handling
• Experience with Azure Service Bus or similar asynchronous messaging platforms
• Experience integrating independently deployed systems
• Strong testing and documentation practices
• Security awareness, particularly around authorization and sensitive data