Senior Frontend Engineer [JavaScript, TypeScript, React]

We are seeking a talented and innovative Senior AdTech Engineer with a strong front-end focus to join our dynamic Ad Tech team. In this role, you will be at the forefront of designing and developing cutting-edge ad products and playing a key part in enhancing the video experience across our platforms. You will be responsible for architecting and implementing sophisticated user interfaces and ad interactions that drive engagement and revenue. If you are passionate about leveraging your front-end expertise to build engaging ad solutions and improve video monetization, this is the perfect opportunity for you.

• Ad Product Development: Design, develop, and maintain high-quality, scalable, and engaging front-end solutions for a suite of innovative ad products.
• Video Experience Enhancement: Lead front-end development efforts to significantly improve the video player experience, optimize video ad delivery (e.g., VAST, VPAID, IMA SDK), and enhance video monetization strategies.
• Cross-Functional Collaboration: Work closely with product managers, UI/UX designers, backend engineers, and ad operations teams to conceptualize, build, test, and iterate on new ad features and video functionalities.
• Technical Excellence: Write clean, efficient, well-documented, and thoroughly tested code using modern JavaScript frameworks (e.g., React, Vue.js, Angular) and web technologies (HTML5, CSS3, responsive design).
• Ad Tech Integration: Integrate with various ad tech platforms, third-party services, and APIs related to ad serving, header bidding (e.g., Prebid.js), analytics, and consent management.
• Performance & Optimization: Champion best practices in front-end development, focusing on ad rendering speed, viewability, Core Web Vitals, accessibility, and cross-browser compatibility.
• Problem Solving: Proactively identify, troubleshoot, and resolve complex front-end issues related to ad behavior, video playback, user interaction, and system integrations.
• Innovation & Trends: Stay current with emerging trends and technologies in front-end development, digital advertising (programmatic, video, native), and video streaming technologies.
• Mentorship: Provide technical guidance and mentorship to junior engineers, fostering a collaborative and knowledge-sharing team environment.
• Agile Practices: Actively participate in agile development processes, including sprint planning, daily stand-ups, code reviews, and retrospectives, to ensure timely and high-quality delivery.

• 5+ years of professional software development experience with a strong emphasis on front-end technologies and complex web applications.   
• Proven expertise in modern JavaScript (ES6+), TypeScript, HTML5, CSS3, and extensive experience with at least one major front-end framework/library (e.g., React, Angular, Vue.js).
• Demonstrable experience in building and optimizing user interfaces for ad products and/or advanced video players.
• Solid understanding of the digital advertising ecosystem, including concepts like ad serving, programmatic advertising, video ad standards (VAST, VPAID, SIMID), viewability, and common ad formats.
• Strong analytical, problem-solving, and debugging skills with a keen attention to detail.
• Excellent communication and interpersonal skills, with the ability to articulate technical concepts clearly and collaborate effectively in a team setting.   
• A genuine passion for creating exceptional user experiences, tackling challenging technical problems, and driving innovation in the ad tech space.
• Fluency in English, with the ability to communicate ideas effectively.

• Experience with Prebid.js or other header bidding frameworks.
• Familiarity with Google Ad Manager (GAM).
• Understanding of privacy regulations impacting digital advertising (e.g., GDPR, CCPA) and consent management platforms (CMPs).
• Contributions to open-source projects related to ad tech or front-end development.

• MacBook Pro and all the gear you need for work
• Free access to a multitude of popular online courses and books sponsored by our company
• Company stock options
• Company swag packages
• Cafeteria Benefit Program (including private medical care, gym membership, shopping/wellness bonus, etc.)
• VTO (Voluntary Time Off) - a day off every quarter for volunteering non-profit
• Frequent team bonding events
• Flexible work hours & time-off
• Employee Interest and Hobby Groups supported by our company
• Open, energetic and fan-focused, international work environment

Fandom is the world’s largest fan platform where fans immerse themselves in imagined worlds across entertainment and gaming. Reaching more than 350 million unique visitors per month and hosting more than 250,000 wikis, Fandom is the #1 source for in-depth information on pop culture, gaming, TV and film, where fans learn about and celebrate their favorite fandoms. Fandom’s Gaming division manages the online video game retailer Fanatical. Fandom Productions, the content arm of Fandom, enhances the fan experience through curated editorial coverage and branded content from trusted and established publishing brands Gamespot, TV Guide and Metacritic, along with its Emmy-nominated Honest Trailers and the weekly video news program The Loop. For more information follow @getfandom or visit: www.fandom.com.

Fandom is an equal opportunity employer. Fandom values diversity, and all employment decisions are made on the basis of job requirements and individual qualifications.

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