Senior Application Engineer (Python/n8n)

Location: Makati, Philippines Engagement: must be open to both full time & contract engagement Work Setup: Day shift (onsite/hybrid) ***The ideal candidate is NOT purely a developer or purely a support engineer — we’re looking for someone comfortable doing BOTH. About the role This is a hands-on Application Engineer role for someone who enjoys developing solutions, troubleshooting defects, investigating production issues, and supporting applications throughout the DEV → SIT → UAT → PROD lifecycle. You will handle both backend development and application/production support. Key responsibilities Develop, maintain, and troubleshoot Python/FastAPI backend services Develop and troubleshoot n8n workflows, including webhooks, API calls, JavaScript nodes, data transformations, and sub-workflows Investigate and resolve application defects involving APIs, PostgreSQL, workflows, and enterprise integrations Perform root cause analysis (RCA) using application logs, API responses, n8n execution histories, and database queries Implement and validate fixes in DEV and support SIT/UAT testing, defect triage, retesting, and regression testing Support application releases, database migrations, configuration changes, deployment validation, and rollback activities Provide production support, post-release monitoring, hypercare, and incident troubleshooting Work closely with Development, QA, Business, Infrastructure, and Support teams Maintain technical documentation, release notes, defect records, and operational runbooks About you 5+ years of software engineering experience Strong hands-on experience with Python and FastAPI Hands-on n8n development and troubleshooting experience Strong SQL/PostgreSQL skills Experience with REST APIs, JSON/JSONB, SQLAlchemy, and database migrations Experience supporting applications across DEV, SIT, UAT, and PROD Production support, incident triage, monitoring, troubleshooting, and RCA experience Familiarity with Docker, Microsoft Azure, ACR, Git, CI/CD, and pytest Strong analytical, communication, and problem-solving skills