Staff Backend AI Platform Engineer at Freshworks
San Mateo, CA
$225,000–$278,000from the description
Jul 1, 2026
San Mateo, CA
Jul 21, 2026
What this job asks for AI summary
A senior backend engineering role focused on building the core infrastructure of an agentic AI platform, including agent runtime orchestration, multi-agent communication, stateful memory services, and high-performance APIs. The work spans RAG pipelines, vector database integrations, workflow engines, and cloud-native microservices, with some responsibility for mentoring junior engineers. Suited to experienced backend engineers with hands-on AI/ML platform development and distributed systems expertise.
Senior level · 6+ years · San Francisco-Oakland-Hayward, CA · Full-time
“or” means any one of them counts — you don't need all of them.
Posted 5 times — it's one opening, so apply once.
We read this from the posting text with AI. Skim the description below before ruling yourself out.
How this req sits in the market our data
Roughly 120 people in the San Francisco-Oakland-Hayward, CA area plausibly meet what this posting asks for (software developers). range 60–180
Applicant volume Light — Few people clear these requirements, so an application that does clear them gets looked at. Worth applying to even if you miss a nice-to-have.
Rare in this occupation — lead with these, and say what you built with them.
Most people in this occupation already list these. Still required — just not what gets you shortlisted.
What the occupation pays Median $190,744 (middle half $167,095–$224,501). This posting is about at that midpoint.
Estimated from BLS employment for this occupation and area, per-skill prevalence across our listing corpus, and published wage benchmarks — as of Jul 28, 2026. It is a model, not a headcount.
Why we read it this way (7)
The title 'Backend AI Platform Engineer' carries no explicit seniority level word, so advertised seniority is Unspecified; however, the 6+ years requirement, lead-engineer ownership, and mentorship responsibilities support a Senior classification.
LangChain, LangGraph, and LangSmith are listed together under Required Qualifications as 'hands-on experience with LangChain, LangGraph, or LangSmith' — treated as a single interchangeable gate with alternatives. LangSmith also appears separately as a required telemetry/observability integration; it is emitted twice to capture both the framework gate and the specific integration requirement.
Pinecone, Weaviate, and FAISS are listed as example vector databases ('e.g., Pinecone, Weaviate, FAISS') under Required Qualifications; Pinecone is used as the primary name with the others as alternatives.
Temporal and Airflow are listed as interchangeable workflow engine options under Required Qualifications.
RBAC, SSO, and OAuth2 appear under Preferred Qualifications ('Background in enterprise security') and are marked preferred accordingly.
The role is hybrid (3 days/week onsite in San Mateo, CA) — not fully remote. San Mateo falls within the San Francisco-Oakland-Hayward, CA CBSA (41860).
The 1-2+ years of AI/ML platform experience is a role-level qualifier, not tied to a specific named technology, so it is captured in the overall years minimum context only (the 6+ years overall experience is the binding floor).
Read the full posting
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