Interview Studio

Requirements found

Compliance Javascript (must) Scheduling Marketing

What this posting asks for

Level: Senior — The title says "Senior".

Main responsibilities

• Develop resilient frontend approaches to reduce ad disruptions, drawing on deep knowledge of JavaScript, TypeScript, HTML, CSS, the DOM, and browser networking.
• Partner with Ads and Web Platform teams to integrate solutions into shared rendering infrastructure, frontend architecture, and build systems.
• Design controlled experiments and phased rollouts to measure effectiveness while protecting site performance, accessibility, and user experience.
• Build instrumentation and monitoring to track mitigation effectiveness, detect regressions, and guide iteration.
• Implement ad rendering, event collection, click handling, browser extensions across multiple Ad formats.
• Contribute to broader foundational improvements in web advertising reliability, performance, and measurement.
• Raise engineering quality through thoughtful technical design, testing, code reviews, documentation, and mentorship.
• 5+ years of experience building production web applications with JavaScript, TypeScript, and/or React.
• Comfort using Codex, Cursor, Claude, or comparable agentic coding tools in day-to-day software development.
• A track record of independently delivering complex frontend projects from technical design through launch and iteration.

Competencies an interviewer will look for

• Technical skill Core
  In the posting: “We’re looking for a senior frontend engineer with deep JavaScript, TypeScript, and browser platform expertise to help strengthen Reddit’s advertising experie…” · “You will partner with product and design to work through ambiguous requirements and make sound product and engineering tradeoffs.” · “Develop resilient frontend approaches to reduce ad disruptions, drawing on deep knowledge of JavaScript, TypeScript, HTML, CSS, the DOM, and browser networking.”
  Show it by: Names the tools, languages or systems used and how; Explains a technical choice and its trade-off.
• Communication Core
  In the posting: “Raise engineering quality through thoughtful technical design, testing, code reviews, documentation, and mentorship.” · “Strong communication and collaboration skills across engineering, product, design, and data disciplines.” · “A habit of improving engineering quality through code reviews, documentation, and technical mentorship.”
  Show it by: Adapts the message to the listener; Gives an example of explaining something clearly in writing or speech.
• Teamwork and collaboration Core
  In the posting: “You will partner with product and design to work through ambiguous requirements and make sound product and engineering tradeoffs.” · “You’ll work closely with Ads and Web Platform engineers to solve complex frontend challenges while maintaining site performance, accessibility, and a dependa…” · “Partner with Ads and Web Platform teams to integrate solutions into shared rendering infrastructure, frontend architecture, and build systems.”
  Show it by: Says what they did inside a team, not only what 'we' did; Shows how a disagreement was handled.
• Ownership and accountability Core
  In the posting: “The team supports the end-to-end user ad experience, including media rendering, click behavior, special click variants like lead gen, and the UI details that…” · “A track record of independently delivering complex frontend projects from technical design through launch and iteration.” · “We will use this information to evaluate your application for employment or an independent contractor role, as applicable.”
  Show it by: Takes a task from start to finish without being chased; Owns a mistake and what was changed after it.
• Leadership and mentoring Core
  In the posting: “Raise engineering quality through thoughtful technical design, testing, code reviews, documentation, and mentorship.” · “A habit of improving engineering quality through code reviews, documentation, and technical mentorship.” · “Mental Health & Coaching Benefits”
  Show it by: Describes setting direction or a standard others followed; Names someone they coached and what changed for them.
• Customer focus Core
  In the posting: “The team supports the end-to-end user ad experience, including media rendering, click behavior, special click variants like lead gen, and the UI details that…” · “You’ll work closely with Ads and Web Platform engineers to solve complex frontend challenges while maintaining site performance, accessibility, and a dependa…” · “Design controlled experiments and phased rollouts to measure effectiveness while protecting site performance, accessibility, and user experience.”
  Show it by: Puts the customer's need in their own words; Shows a result for the customer, not only for the company.
• Data and analysis Core
  In the posting: “We are responsible for modernizing core formats infrastructure, standardized format data, drive cross-platform consistency and compliance for ad formats to r…” · “Strong communication and collaboration skills across engineering, product, design, and data disciplines.” · “Experience using instrumentation, experimentation, or product metrics to understand and improve user experiences.”
  Show it by: Uses a number to describe the situation or the result; Explains what the data showed and what was done with it.
• Adaptability and learning Core
  In the posting: “You will partner with product and design to work through ambiguous requirements and make sound product and engineering tradeoffs.” · “This role is a strong fit for someone who enjoys browser-level problem solving, navigating ambiguity, and building maintainable systems with measurable impact.” · “Ability to work effectively through ambiguous product and technical problems.”
  Show it by: Describes learning something new quickly and using it; Shows a change of plan and how they adjusted.
• Attention to detail and quality Core
  In the posting: “We are responsible for modernizing core formats infrastructure, standardized format data, drive cross-platform consistency and compliance for ad formats to r…” · “Our goal is to continuously improve ad formats infrastructure, with a focus on increasing developer efficiency and system reliability through tech stack mode…” · “Raise engineering quality through thoughtful technical design, testing, code reviews, documentation, and mentorship.”
  Show it by: Gives an example of an error caught before it caused harm; Names the check or standard they used.
• Problem solving Core
  In the posting: “You’ll work closely with Ads and Web Platform engineers to solve complex frontend challenges while maintaining site performance, accessibility, and a dependa…” · “This role is a strong fit for someone who enjoys browser-level problem solving, navigating ambiguity, and building maintainable systems with measurable impact.”
  Show it by: Describes a real problem, the options considered and the one chosen; Shows how the cause was found, not just the fix.
• Planning and organisation Core
  In the posting: “Family Planning Support” · “You will have the opportunity to opt out of recording, transcription and summarization prior to any scheduled interviews.”
  Show it by: Shows how priorities were set when everything was urgent; Mentions deadlines met and how.

Read from the posting's own words by fixed rules — no AI service. Nothing you paste is sent anywhere or stored.