Senior Python Engineer — AI-Driven Backend Maestro (Cebu)

MicroSourcing International; Cebu City; On-site; PHP 1,800,000 - 2,600,000; Full time

Benefits offered by this job

Healthcare on day one

Dependent coverage

Paid time-off with cash conversion

Group life insurance

Performance bonuses

Job summary

MicroSourcing in Cebu is seeking a Senior Python Engineer to design and deliver end-to-end backend features using Python/Flask, REST APIs, and AI-assisted workflows. You will maintain data models, APIs, and third-party integrations, while ensuring reliability and scalability in production.

You will work onsite on the night shift, collaborating with cross-functional teams to maintain data integrity and drive continuous improvement across the stack, including testing with pytest and code reviews.

Qualifications

• Strong professional experience in Python and the ability to work effectively in a mature production codebase.
• Full-stack development experience, including backend development, databases, HTML/CSS, and JavaScript.
• Practical experience with Flask or a comparable Python web framework.
• Experience with relational databases, SQL, ORM-based development, and schema migrations.
• Experience integrating third-party APIs and troubleshooting authentication, webhooks, timeouts, retries, and malformed responses.

Responsibilities

• Build and deliver end-to-end product features across Python/Flask backend services, Jinja templates, JavaScript interfaces, database models, APIs, and third-party integrations.
• Develop and maintain agentic workflows connecting web applications with AI and voice systems, webhooks, queues, EHR/CRM platforms, and browser automation.
• Work within an existing production codebase, quickly understand unfamiliar code, follow established conventions, and implement pragmatic improvements without unnecessary rewrites.
• Design, integrate, and troubleshoot REST APIs, OAuth flows, webhooks, retries, idempotency, background jobs, and external-service failure handling.
• Manage PostgreSQL data, SQLAlchemy models, Alembic migrations, Redis, and asynchronous processing while maintaining data integrity.
• Develop and maintain automated tests using pytest and existing testing patterns to reduce regression risks.
• Diagnose application and integration issues using production and staging logs and monitoring tools such as CloudWatch.
• Collaborate through GitHub pull requests, automated testing, linting, staging validation, and production release workflows.
• Use modern AI engineering tools to understand code, plan and implement changes, generate tests, investigate failures, review code, and improve development productivity.
• Own production issues from investigation through resolution while continuously improving system reliability and developer velocity.

Skills

Strong debugging

Written communication

Ownership of production issues

AI code validation

Troubleshooting

Team collaboration

Education

Bachelor's degree in Computer Science or related field

Tools

Python

Flask

PostgreSQL

SQLAlchemy

Alembic

Redis

AWS (EC2, S3, SQS)

Docker

GitHub Actions

Playwright

OpenAI APIs

Job description

MicroSourcing in Cebu is seeking a Senior Python Engineer to design and deliver end-to-end backend features using Python/Flask, REST APIs, and AI-assisted workflows. You will maintain data models, APIs, and third-party integrations, while ensuring reliability and scalability in production.

You will work onsite on the night shift, collaborating with cross-functional teams to maintain data integrity and drive continuous improvement across the stack, including testing with pytest and code reviews.