Backend Engineer – API Integrationen, Connectoren, Worker/Jobs, Mailer Service, QA

📋 Description

• Build robust backend systems and integrations across APIs, connectors, and background jobs.
• Design reliable authentication, OAuth, webhooks, and error handling patterns.
• Develop queue-driven, stateful workers with replay capabilities.
• Implement mailer service with attachments, logging, retries, and deduplication.
• Design schemas and migrations using PostgreSQL or equivalents.
• Ensure reliability, observability, and failure-mode analysis across distributed systems.

🎯 Requirements

• Strong backend track record, proficiency in Python, Node.js, Go, or similar.
• Experience building production API integrations with OAuth, webhooks, pagination, rate limits, and
• Relational databases knowledge, migrations, data persistence.
• Testing mindset: contract, integration, unit, and/or E2E tests.
• Experience with Docker, queues/eventing, and observability tools.
• Ability to design reliable systems beyond the happy path; remote collaboration skills.

🎁 Benefits

• 100% remote engagement.
• Flexible, project-based workload with full-time/part-time options.
• Opportunity to own backend architecture and critical delivery.