Senior Backend Engineer - Infrastructure
New
PolandContractSenior
Salary not disclosed
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Job Details
- Experience
- 4+ years
- Required Skills
- Node.jsPythonGCPKafkaRedisRESTful APIsBigQuery
Requirements
- 4+ years backend engineering experience
- Production RESTful API experience
- Hands-on GCP services experience (Cloud Run, BigQuery, Cloud SQL, or equivalents)
- LLM API integration and tuning experience (Vertex AI, OpenAI, Anthropic, etc.)
- Stripe (or similar) billing/subscription integration experience
- End-to-end system ownership in fast-moving teams
- Strong debugging fundamentals
- Strong performance tuning fundamentals
- Strong reliability engineering fundamentals
- Python or Node.js experience (preferred)
Responsibilities
- Architect and own the core platform powering the predictive intelligence system
- Handle authentication, metering, AI pipeline orchestration, and billing
- Work directly with leadership
- Influence every major technical decision
- Own Authentication & Identity (Firebase Auth, SSO foundations, tenant/user modeling, tier-based feature gating)
- Own RCA Engine (Vertex AI/Gemini integration, prompt engineering, structured response parsing, high-performance request routing)
- Own Storage & Data Layer (Redis for ephemeral RCA storage, DuckDB + Kafka (Pub/Sub on GCP) for persistent data, Cloud SQL + pgvector for embeddings)
- Own Quota & Usage Management (Monthly RCA limits, trial tracking, enforcement logic, upgrade triggers)
- Own Billing & Subscriptions (Stripe integration, webhooks, lifecycle automation, tier transitions)
- Own Observability & Reliability (Logging, metrics, tracing, error tracking, audit logs, health checks)
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