
Backend Engineer – API Integrations, Connectors, Workers/Jobs, Mailer Service, QA
MTR Legal Rechtsanwälte
part-time
Posted on:
Location Type: Remote
Location: Germany
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About the role
- You build integrations that remain resilient under rate limits, webhooks, timeouts, and retries
- Connectors (prioritized): Box + HubSpot, then Microsoft Graph, then Asana/Billing
- Workers/Jobs: queue-driven, stateful, replayable
- Mailer Service: PDF attachments, logging, retries, delivery checks, deduplication/idempotency
- Audit events + persistence (correlation IDs, traceability)
- QA: contract/integration tests + end-to-end regression for delivery/deadlines
Requirements
- Strong backend track record (Python/Node/Go acceptable)
- Production API integrations (OAuth, webhooks, pagination, rate limits)
- Databases/schemas + clean migrations
- Failure-mode thinking + testing mindset
Benefits
- 100% remote (CET/Europe preferred)
- Project-based; start ASAP; workload/commitment by agreement
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
PythonNodeGoAPI integrationsOAuthwebhookspaginationdatabasesmigrationscontract tests
Soft Skills
failure-mode thinkingtesting mindset