Arjun Hirano

Applied ML Engineer at Vercel

Applied ML Engineer at VercelToronto, CA · America/Toronto2 yrs · IC3

SourcedColdReferralActively lookingUS citizen

AI match score

67/ 100

Mixed

Last touched1mo ago

OwnerTomás Herrera

Comp expectation$201,047–$276,088

Flight riskmedium

Current role

Applied ML Engineer · Apr 2025—Present (1 yr)

Vercel

Developer Tools · growth · Team of 5

Owned headcount, roadmap, and delivery for the team.

Shipped a retrieval-augmented product feature
+76% task-completion rate in the user cohort
Designed a hybrid lexical+vector retrieval path with re-ranking; reduced hallucinations on long-tail queries.
Drove a quality-eval framework to production
69+ teams onboarded in 6 months
Built rubric-based offline evals that gated deploys; reduced regression incidents materially.
Migrated serving from a legacy stack to a unified gateway
−54% p95 latency
Rewrote the streaming path in Go, introduced batched prefill, and cut GPU cost-per-token by 28%.

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