Senior Full-Stack Engineer - AI Infra & APIs (Hybrid NYC)

Tavily; New York (NY); Hybrid; USD 147,000 - 224,000; Full time

Benefits offered by this job

Health insurance

401(k) plan with company match

Parental leave

Remote work reimbursement

Disability & life insurance

Job summary

Tavily in New York City is seeking a Senior Full Stack Engineer to build and scale agentic web infrastructure for developer access to our platform. The role offers hybrid work in NYC and impact across API gateway, self-serve onboarding, and enterprise identity.

You’ll ship features end-to-end, own critical interfaces, and work with AI-driven products. The ideal candidate has 5+ years of full-stack experience, strong backend with Python (plus Go/C++/C), and a proven track record delivering

Qualifications

• 5+ years of full-stack engineering on customer-facing products or high-throughput APIs.
• Strong backend experience, preferably in Python; Go, C++ or C with Python exposure also fits.
• Shipped production UI with modern frontend framework such as React, Next.js or TanStack, ideally in TypeScript.
• Built data-heavy interfaces such as tables, charts and filters that stay fast.
• Experience with latency-sensitive, high-QPS APIs: caching, async work, queues, retries and rate limiting.
• Experience with on-call for production systems and operating in a mature, user-facing system.
• Strong product and design sense for interfaces and APIs; able to explain trade-offs clearly.

Responsibilities

• Design and ship features end to end, from the interface to the services and data behind it.
• Build and improve the API gateway: high traffic, low latency, reliable.
• Turn usage, billing and team data into fast, usable interfaces: tables, charts, filters and forms.
• Shape the self-serve journey from signup through activation.
• Build and operate identity and team access in production: OAuth and OIDC, role-based access, SAML SSO and SCIM.
• Control feature rollouts with flags and entitlements after rollout.
• Improve the public interfaces developers and agents use: the SDKs, CLI, MCP servers and docs.

Job description

Tavily in New York City is seeking a Senior Full Stack Engineer to build and scale agentic web infrastructure for developer access to our platform. The role offers hybrid work in NYC and impact across API gateway, self-serve onboarding, and enterprise identity.

You’ll ship features end-to-end, own critical interfaces, and work with AI-driven products. The ideal candidate has 5+ years of full-stack experience, strong backend with Python (plus Go/C++/C), and a proven track record delivering