Senior Software Engineer II – Ads Manager, Front End

Instacart

. Own the Ads Manager team’s frontend technical direction and lead large, multi-quarter initiatives .

Posted 11/12/2026full-timeRemote • United StatesSenior💰 $192,000 - $242,500 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates deep expertise in building modern web applications with a focus on React and Node.js, leading frontend architecture, and driving team productivity through best practices and tooling. Proven ability to mentor engineers and manage complex, multi-stakeholder projects while ensuring performance, reliability, and security.

Highest-signal resume keywords

React DevelopmentNode.js ExpertiseFrontend ArchitectureAPI IntegrationMentoring Engineers

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ReactNode.jsState ManagementPerformance TuningREST APIsGraphQLModularizationError HandlingCI ImprovementsObservability

Soft Skills

Excellent CommunicationCollaboration Skills

Tools & Technologies

DatadogSeleniumCypressPlaywrightFigma

Industry Keywords

Frontend ModernizationTechnical Debt PaydownUser ExperienceSecurity-by-DesignLarge-Scale Data-Heavy UIs

Tech Stack

Tools & technologies

CypressGraphQLJavaScriptNode.jsReactSelenium

About the role

Key responsibilities & impact

Own the Ads Manager team’s frontend technical direction and lead large, multi-quarter initiatives
Lead the technical roadmap and architecture for Ads Manager web applications
Design, build, and maintain 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
Collaborate with frontend leads and peers on frontend standards and best practices
Champion observability, performance, and reliability, including metrics, logging, tracing, and on-call readiness
Drive frontend modernization, technical debt paydown, migrations, and legacy code refactors
Embed security-by-design and lead responses to significant security or reliability issues
Lead team-wide and cross-team initiatives, align stakeholders, and drive execution
Work with designers to build a best-in-class user experience
Mentor and sponsor engineers up to L5 and improve onboarding and team practices
Define best practices for AI-assisted development tools

Requirements

What you’ll need

8+ years of experience building modern web applications, with substantial ownership of complex, user-facing products
Deep expertise in Node.js and React, including hooks, state management, and performance tuning, in large codebases
Strong frontend architecture skills, including modularization, shared components, routing, data fetching, and error handling
Experience designing and integrating with REST and/or GraphQL APIs
Proven track record leading large, ambiguous, multi-stakeholder projects from design through rollout and operations
Demonstrated impact on team productivity and code health through abstractions, tooling, testing, and CI improvements
Experience with monitoring and observability for web applications, such as Datadog or similar
Comfortable using AI-assisted developer tools and interested in scaling their use across the team
Excellent communication and collaboration skills
Preferred: experience with large-scale data-heavy UIs, GraphQL at scale, Selenium/Cypress/Playwright, frontend performance and reliability, modernization or migrations, Figma, and mentoring L3–L5 engineers

Benefits

Comp & perks

Flexible work location from home, an office, or a coffee shop
Regular in-person events
New hire equity grant
Annual refresh grants
Competitive compensation and benefits