Senior Python Developer

Role Overview : The candidate will join the Messaging Platform team responsible for the core backend systems of the platform.

Core Skills : Python Backend | PostgreSQL | Async APIs | SaaS Platform | Messaging Systems

Key Responsibilities :

• Designing, developing, and maintaining backend services supporting partner and client APIs.

• Managing systems related to WhatsApp channel lifecycle management.

• Developing and improving billing-related backend services.

• Building and maintaining integrations between internal and external systems.

• Taking ownership of technical domains and driving architectural decisions.

• Ensuring systems are reliable, observable, maintainable and scalable.

• Monitoring solutions in production and resolving operational issues.

• Collaborating with experienced engineers and technical leadership on platform evolution.

• Translating business requirements into robust backend solutions.

• Participating in the complete software lifecycle from design through production support.

Must-haves :

• Deep expertise in Python, including runtime behavior, asynchronous programming, memory management, type systems, and packaging.

• Extensive backend development experience in production environments.

• Experience designing, developing, and maintaining RESTful APIs and asynchronous services.

• Strong PostgreSQL knowledge including schema design, query optimization, and performance tuning.

• Experience with message queues, background workers, and distributed system integrations.

• Ability to take full ownership of technical domains and deliver solutions from development through production.

• Strong problem-solving skills and ability to break complex requirements into manageable deliverables.

• Excellent written and verbal communication skills in remote environments.

• Ability to work independently with minimal supervision.

• Strong understanding of the business context behind technical solutions.

Nice-to-haves :

• Experience with WhatsApp Business Platform.

• Experience within B2B SaaS environments.

• Experience with messaging or communication platforms.

• Familiarity with Google Cloud Platform (GCP).

• Experience with Cloud SQL or similar managed database services.

• Experience operating highly available distributed systems.