Tzafon

Member of Technical Staff – Backend/Platform Engineer

9mo ago
WorldwideLead
Tzafon

Member of Technical Staff – Backend/Platform Engineer

9mo ago
WorldwideLeadgorustgrpcpostgresrediss3prometheuskubernetes

Backend/Platform Engineer focused on designing and operating scalable APIs and systems for machine intelligence infrastructure.

Requirements

  • Interest in building scalable systems
  • Built and operated real‑time APIs (streams, websockets, or game/RTC‑style).
  • Strong data modeling for event logs/traces; comfort with queues & idempotency.
  • Experience with sandboxed automation or similar.
  • Worked with Go and are comfortable with advanced concurrency patterns
  • Security mindset

Nice to have

  • Temporal/NATS/Kafka experience; ClickHouse/OLAP for traces; Kubernetes, Nomad.
  • Billing exposure; SOC2 experience.
  • Stack: Go, Rust, gRPC, Postgres, Redis, S3, a queue (SQS/Pub/Sub/NATS), Prometheus, Tzafon Waypoint

Conditions

  • Compensation starts at $150k-$250k and equity package.

Other

  • Tzafon is a foundation model lab building scalable compute systems and advancing machine intelligence, with offices in San Francisco, Zurich & Tel Aviv. We’ve raised over $12m in funding to advance our mission of expanding the frontiers of machine intelligence.
  • We're a team of engineers and scientists with deep backgrounds in ML infrastructure & research. Founded by IOI and IMO medalists, PhDs, and alumni from leading tech companies, we train models and build infrastructure for swarms of agents to automate work across real-world environments.
  • Design, version, and operate core APIs across our systems
  • Orchestrate processes with isolation, quotas, and guardrails.
  • Implement approvals and audit/replay.
  • Stand up observability: OpenTelemetry spans, logs, metrics, replayable traces.
  • Drive reliability (SLOs, autoscaling, backpressure, retries).
  • Full medical, dental, and vision coverage, plus 401(k) in the US
  • Office in SF, Zurich and Tel Aviv
  • Early-stage equity in a future-defining company
  • Visa sponsorship: We do sponsor visas! However, we aren't able to successfully sponsor visas for every role and every candidate. If we make you an offer, we will make every reasonable effort to get you a visa.