Member of Technical Staff – Backend/Platform Engineer

TzafonSan Francisco, California

$150,000 - $250,000 / year

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Overview

Schedule

Full-time

Career level

Senior-level

Remote

On-site

Compensation

$150,000-$250,000/year

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Job Description

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.

You will:

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).

You have:

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 haves:

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

Life at Tzafon

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.

Compensation

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

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FAQs About Member of Technical Staff – Backend/Platform Engineer Jobs at Tzafon

What is the work location for this position at Tzafon?

This job at Tzafon is located in San Francisco, California, according to the details provided by the employer. Some roles may also include multiple work locations depending on the requirement.

What pay range can candidates expect for this role at Tzafon?

Candidates can expect a pay range of $150,000 and $250,000 per year.

What employment applies to this position at Tzafon?

Tzafon lists this role as a Full-time position.

What experience level is required for this role at Tzafon?

Tzafon is looking for a candidate with "Senior-level" experience level.

What benefits are offered by Tzafon for this role?

Tzafon offers following benefits: Health Insurance, Dental Insurance, Vision Insurance, and 401k Matching/Retirement Savings for this position. Actual benefits may vary depending on the employer's policies and employment terms.

What is the process to apply for this position at Tzafon?

You can apply for this role at Tzafon either through Sonara's automated application system, which helps you submit applications 10X faster with minimal effort, or by applying manually using the direct link on the job page.