Sr Software Engineer II - Ads Manager (Front End)
Instacart · United States - Remote
About this role
**Sr Software Engineer II - Ads Manager (Front End)** **About Instacart** We’re transforming the grocery industry—helping people access the food they love and more time to enjoy it together. Instacart is a lifeline for millions, and we’re building the teams to keep pushing the shopping cart forward. **Flex First** Instacart is a Flex First company. Choose where you do your best work (home, office, or your favorite coffee shop) while staying connected through regular in-person events. --- ## Overview The **Ads Manager** team builds the core self-serve platform that brands, agencies, and retailers use to create, manage, and optimize advertising campaigns on Instacart. You’ll help own: - Campaign creation flows - Creative management - Reporting dashboards - Design system foundations We’re hiring a **Senior Frontend Engineer II (L6)** to co-own the technical roadmap for the advertiser-facing experience, modernize frontend architecture, and scale complex campaign management and reporting—while elevating the component library, design system, performance, and accessibility. --- ## What you’ll do - Lead the technical roadmap and architecture for Ads Manager web applications, balancing near-term delivery with long-term scalability. - Design, build, and maintain high-quality **React** UIs for campaign creation, management, reporting, and optimization. - Define and evolve shared components, state management, and abstractions to improve extensibility and maintainability. - Partner with backend teams on API and data contracts for robust, observable, and cost-efficient systems. - Collaborate with other frontend leads to align on standards and best practices. - Champion observability, performance, reliability, and on-call readiness for critical flows (metrics, logging, tracing). - Drive modernization and technical debt paydown (migrations, refactors of legacy frontend code). - Embed **security-by-design** into frontend architecture and lead response for significant security/reliability issues impacting Ads Manager UI. - Propose and lead team-wide/cross-team initiatives, aligning stakeholders and driving execution. - Work closely with designers to build a best-in-class user experience. - Mentor and sponsor engineers up to L5; improve onboarding and team practices; help resolve cross-team execution issues. - Help define how the team uses **AI-assisted development tools** (code, tests, refactors), including patterns and best practices. --- ## About you ### Minimum Qualifications - **8+ years** 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, error handling. - Experience designing/integrating with **REST and/or GraphQL** APIs with backend teams. - Proven track record leading large, ambiguous, multi-stakeholder projects from design through rollout and operations. - Demonstrated impact on team productivity and code health via abstractions, tooling, testing, and CI improvements. - Experience with monitoring/observability for web apps (e.g., Datadog or similar). - Comfortable using AI-assisted developer tools day-to-day; interested in scaling usage across the team. - Excellent communication and collaboration with engineers, PMs, designers, and partners. ### Preferred Qualifications - Experience lead
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