Senior Backend Platform Engineer (PHP & Python) – Auth & Scale

Manychat, Inc; Barcelona; Presencial; EUR 70.000 - 105.000; Jornada completa

Descripción de la vacante

Manychat, Inc is seeking a Senior Backend Engineer to own backend platform initiatives across PHP and Python. You will lead company-level projects, define ownership, and shape a unified backend platform, improving observability and performance while coordinating with multiple teams.

You’ll drive architecture decisions, write ADRs/Design Docs, and work on security-minded, scalable solutions for the Auth Service.

Formación

• Production backend experience in PHP or Python.
• Experience with high-load production systems and improving their performance.
• Design multi-component systems with clear boundaries, planning for failures, rollout, and rollback, with security in mind.
• Ability to write ADRs and Design Docs to explain trade-offs.

Responsabilidades

• Lead company-level technical projects end to end, from design to rollout and support.
• Shape the shared PHP and Python platform and decide module placement.
• Build foundations for Python product launches and scaling without PHP wiring.
• Define ownership of technical components across the backend.
• Improve incident management, alerts, and dashboards (Grafana Cloud).
• Find root causes using metrics, logs, and distributed tracing.
• Incorporate performance metrics and architecture decisions for high load.

Conocimientos

PHP

Python

Backend design

Observability

Distributed tracing

High-load systems

ADRs / design docs

Herramientas

Grafana Cloud

Rollbar

CI/CD

Descripción del empleo

Manychat, Inc is seeking a Senior Backend Engineer to own backend platform initiatives across PHP and Python. You will lead company-level projects, define ownership, and shape a unified backend platform, improving observability and performance while coordinating with multiple teams.

You’ll drive architecture decisions, write ADRs/Design Docs, and work on security-minded, scalable solutions for the Auth Service.