Senior Frontend Engineer (Ads Manager)

Quick Facts

Role: Senior Frontend Engineer (Ads Manager). Focus: advertiser-facing web applications and campaign management experiences.

Description

Build and modernize the Ads Manager frontend for brands, agencies, and retailers to plan, launch, and optimize advertising campaigns. You will lead multi-quarter technical initiatives, define architectural patterns, and elevate the component library, design system, performance, and accessibility across the platform.

Responsibilities

• Lead the Ads Manager technical roadmap and architecture for web applications.
• Design, build, and maintain high-quality React UIs for campaign creation, management, reporting, and optimization.
• Define and evolve shared components, state management, and reusable abstractions.
• Partner with backend teams on API and data contracts for robust, observable, and cost-efficient systems.
• Champion observability, performance, and reliability using metrics, logging, and tracing; support on-call readiness for critical flows.
• Drive frontend modernization and technical debt paydown via migrations and refactors.
• Embed security-by-design into frontend architecture and respond to major security/reliability issues affecting Ads Manager UI.
• Collaborate closely with designers and mentor/sponsor engineers (up to L5) to improve onboarding and team practices.
• Help define how the team uses AI-assisted development tools (for code, tests, and refactors) with shared best practices.

Requirements

• 8+ years of experience building modern web applications with substantial ownership of complex, user-facing products.
• Deep expertise in Node.js and React (hooks, state management, performance tuning) in large codebases.
• Strong frontend architecture skills: modularization, shared components, routing, data fetching, and error handling.
• Experience designing and integrating with REST and/or GraphQL APIs.
• Track record leading large, ambiguous, multi-stakeholder projects from design through rollout and operations.
• Demonstrated impact on productivity and code health through abstractions, tooling, testing, and CI improvements.
• Experience with monitoring and observability for web apps (e.g., Datadog or similar).
• Comfortable using AI-assisted developer tools daily and interested in scaling them across the team.
• Excellent communication and collaboration skills.

Benefits

• Highly market-competitive compensation.
• Comprehensive benefits; role is eligible for a new hire equity grant and annual refresh grants.
• Remote position with Flex First flexibility.
• Base pay range depends on permanent work location.