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Design and build Billing's first Python layer: the bridge between product features and the existing PHP core. Define the patterns for service communication, orchestration, and how responsibility splits between Python and PHP. Build scalable, async services for high-load, latency-sensitive billing workflows: payments, invoicing, anti-fraud, and regulatory compliance.

Identify functionality worth extracting from the PHP core into Python services where it improves performance or maintainability. Set the testing strategy, CI/CD, and rollout practices this layer will run on, since you're the one building them from scratch. Help shape how Billing supports new products and ventures being built on top of it.



?????????? 5+ years of commercial Python development in production environments, including recent hands-on work.

Strong expertise in modern Python frameworks (FastAPI preferred; Django/Flask fine).

Experience working with PostgreSQL and large datasets.

Experience building and maintaining high-load backend systems. Strong testing practices (unit and integration tests; PyTest preferred).

Experience with CI/CD pipelines and Docker.

Experience working with money: billing, invoicing, or payment systems PHP experience Experience with loaded projects and queue systems Replication, partitioning, sharding, PL/pgSQL, and other marks of serious database work ??????? Hybrid onboarding to start remotely and relocation support for you and your family Comprehensive health insurance for you and your family Professional development budget for conferences, courses, and learning resources Hybrid work and generous leave options for work-life balance In-office perks including free meals and snacks

📌 Python Engineer For Billing And Accounts (Barcelona)
🏢 Manychat
📍 Barcelona