Staff Tooling Engineer — AI-Driven Platforms (Hybrid)

Sierra Ventures; New York (NY); Hybrid; USD 168,000 - 240,000; Full time

Benefits offered by this job

Competitive starting pay

Discretionary annual bonus

Long-term equity grant

Comprehensive health plans

401K with company matching

Paid Parental Leave

Flexible time off

Job summary

Gemini is seeking a Staff Software Engineer (Product) on the Tooling team in New York City. You will shape customer-facing platform tooling spanning backend, web, and mobile, setting technical direction across multiple systems and teams.

The position emphasizes AI-assisted development, automation, and a hybrid work model with in-person presence twice weekly at the NYC office. You will mentor engineers and influence architectural decisions company-wide.

Qualifications

• 8+ years of software engineering experience building and operating complex production systems at scale.
• A track record of independently designing and delivering large, multi-system or multi-team projects from architecture through operation.
• Demonstrated ability to work across multiple layers of the stack: backend services plus web and/or mobile.
• Proficiency in a typed language (e.g., TypeScript, Scala, Java, Go) and comfort with JavaScript/TypeScript for web and mobile surfaces.
• Experience building consumer-facing applications with UX/UI understanding.
• Fluency in using AI coding tools and automation in daily workflow.
• Expertise in unit and integration testing and code health.

Responsibilities

• Independently scope, design, and deliver solutions for large, complex, cross-cutting challenges spanning backend services, web, and mobile.
• Drive the architecture behind onboarding, compliance (KYC/identity), and customer support workflows for millions of users.
• Set technical direction beyond your immediate team and provide guidance across product units.
• Leverage AI coding tools and agentic development pipelines to raise development efficiency.
• Own the DevOps lifecycle for your systems including monitoring, security, and disaster recovery.

Skills

Software engineering

Multi-system design

Backend / web / mobile

Typed languages

JavaScript/TypeScript

UX/UI understanding

AI tooling

Unit/integration testing

Technical leadership

Communication

Tools

React/React Native

Cloud / Microservices

Job description

Gemini is seeking a Staff Software Engineer (Product) on the Tooling team in New York City. You will shape customer-facing platform tooling spanning backend, web, and mobile, setting technical direction across multiple systems and teams.

The position emphasizes AI-assisted development, automation, and a hybrid work model with in-person presence twice weekly at the NYC office. You will mentor engineers and influence architectural decisions company-wide.