WHO WE ARE We help creators get more out of every conversation with Instagram-focused automations and support for other channels like Messenger, WhatsApp, and TikTok. Better engagement, more sales, and real, sustainable growth. With a diverse team of 350+ people across three continents, we’re building the leading Chat Marketing platform - trusted by more than 1.5 million customers worldwide.

We’re building intelligent, production-grade systems that power conversations at scale - and we’re just getting started. WHO WE'RE LOOKING FOR We’re hiring a Senior Python Engineer to build and evolve a Python-based platform layer that extends and scales Manychat’s eng core. This is not a standalone backend.

WHAT YOU'LL DO Design and build a Python-based platform layer that integrates with the core system. Define and evolve patterns for service communication, orchestration, and responsibility split between core and Python services. Identify and extract functionality from the core into scalable services where it improves performance or maintainability. Ensure reliability of cross-system interactions through observability (monitoring, logging, tracing).

Drive engineering quality: testing strategy, CI/CD, safe rollout practices. 5+ years of commercial Python development in production environments.



~ Strong expertise in modern Python frameworks (FastAPI preferred; Django/Flask acceptable). ~ 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. ~ It would be great if you have: Experience working with loaded projects and queue systems. Replication, partioning, sharding, PL/pgSQL, and other attributes of profound work with databases. 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.

We do not discriminate against qualified employees or applicants because of race, color, religion, gender identity, sex, sexual preference, sexual identity, pregnancy, national origin, ancestry, citizenship, age, marital status, physical disability, mental disability, medical condition, military status, or any other characteristic protected by local law or ordinance.

📌 Senior Python Engineer (Billing) (Barcelona)
🏢 Doist
📍 Barcelona