Freestar

Develop and own header bidding wrapper architecture with high-quality production code and act as subject matter expert for Prebid.js and Prebid Server. | Requires 4+ years JavaScript, strong TypeScript, and deep ad tech experience with Prebid.js, Google Ad Manager, and cloud services. | Sr. Software Engineer (Remote – US only) About Freestar Freestar is a pioneering company that engineers best-in-class, cutting-edge solutions for website monetization. We achieve this by leveraging our industry-leading technology, vast data resources, and remarkable scale. Our mission is to empower Publishers to maximize their revenue potential seamlessly while freeing themselves from the burden of ad operations. This allows publishers to focus on what they do best: creating high-quality content that captivates their audience. At Freestar, we believe in the power of innovation and its endless possibilities. Our team of experts is committed to delivering high-quality solutions that meet the unique needs of our Publishers and stakeholders. We are passionate about our work and strive to create a dynamic, collaborative environment that fosters creativity and innovation. Sr. Software Engineer — Prebid & Header Bidding If you are a problem solver, have significant JavaScript experience, and you know what dynamic allocation is without having to look it up, this position is for you. As a Senior Software Engineer at Freestar, you will be a subject-matter expert on Prebid and the header bidding ecosystem, instrumental in developing high-quality solutions that handle massive amounts of monetization opportunities for some of the world’s largest websites. This role is for someone that has experience in client side monetization and scripting, has a significant amount of experience in the ad technology industry, and has in depth knowledge of how the auction lifecycle works. Located remotely and reporting directly to the Engineering Manager, you will play a pivotal role in our core projects. Your work will require deep programmatic advertising expertise, a high degree of autonomy, and a proactive approach to problem-solving that directly enhances the monetization capabilities of Freestar and its publishers. This role is tailored for individuals who live and breathe ad tech and thrive in a dynamic, challenging environment. Your passion for the programmatic ecosystem and ability to navigate complex problems independently will drive our success and push the boundaries of what is possible. Responsibilities You will serve as a senior hands-on developer, writing and shipping production code daily, reviewing your peers' pull requests, and partnering with other engineers to ensure quality across the entire codebase. You will serve as a subject matter expert for Prebid.js and Prebid Server. You will be a voice on wrapper architecture, bid adapters, modules (identity, consent, floors, analytics), and more. You will stay current on Prebid.js and Prebid Server releases, OpenRTB specification changes, and emerging standards in the header bidding ecosystem, translating those developments into concrete recommendations and upgrades for our platform. You will own our header bidding wrapper end to end. This includes having an opinion on its architecture and release cycle, evaluating and integrating new features and making key design decisions. You will work daily with Google Ad Manager, GPT, and the IMA SDK. Deep knowledge of GAM's features and capabilities is important in this role — line item architecture, key-value targeting, unified auction dynamics, Unified Pricing Rules, and more. You will be responsible for maintaining a high quality standard of code for the client-side scripts that monetize publisher sites. Your JavaScript and TypeScript will run on thousands of publisher sites at massive scale. You will be responsible for the on-page performance of our client-side scripts. You will measure and protect Core Web Vitals — including INP, LCP, and CLS — along with memory usage, script execution time, and network overhead, ensuring our monetization code enhances publisher revenue without degrading the user experience or the publisher's site performance. You will take ownership of deployed solutions, ensuring their ongoing reliability and addressing any critical issues as they arise, helping maintain system stability and performance. Qualifications & Experience Deep, hands-on expertise with Prebid.js — wrapper configuration, bid adapters, modules (identity, consent, floors, analytics). In depth knowledge of the auction lifecycle. Experience with Prebid Server — stored requests, server-side adapter configuration, s2s routing, and more. Strong working knowledge of Google Ad Manager, including GPT, line item architecture, key-value targeting, unified pricing rules, dynamic allocation, and more. 4+ years of experience in JavaScript development, with substantial TypeScript experience. Experience with Google Cloud Platform (e.g., GKE, Cloud Run, Pub/Sub, BigQuery) for deploying and operating high-throughput services. Broad ad tech fluency: OpenRTB, SSP/DSP integrations, identity solutions and EIDs, consent frameworks (TCF/GPP), Amazon TAM/APS, video (IMA SDK/VAST). Strong experience with asynchronous programming and understanding of client-server architecture. Strong problem-solving skills and ability to work in a distributed team environment. Excellent technical documentation and communication skills. Ability to be creative and contribute based on your merit. We’d love it if you had: Contributions to Prebid.js or Prebid Server open-source repositories. What you can expect in return: Full-Time, Salaried Position Flexible vacation policy The opportunity to be part of something BIG Freestar is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status, or genetic information. This role is not eligible for visa sponsorship

Manage top-tier publisher clients by maintaining relationships, optimizing ad stack performance, and collaborating with internal teams to drive revenue growth. | 2-3 years in Customer Success or Account Management with AdTech or publisher experience, strong knowledge of programmatic advertising and Google ad products, and excellent communication skills. | About Freestar: Freestar engineers cutting-edge monetization solutions for websites. By combining industry-leading technology, data, and massive scale, we enable busy site owners to seamlessly maximize revenue while freeing themselves of the hassles of ad operations. Publishers then have more time to do what they do best: create content. Job Description: Our Customer Success Managers work directly with our top-tier clients, acting as the primary point of contact. To succeed in this role, you’ll need a deep understanding of publisher needs, the ability to clearly communicate technology products, and a solid knowledge of both current and emerging advertising solutions (such as ad serving, header bidding, video, etc.). A strong grasp of monetization strategies is also essential. You will collaborate with Yield Analysts, Publisher Operations, Engineers, and Business Intelligence teams to tackle challenges and optimize our publishers' ad stacks. Responsibilities: • Have a firm grasp of each publisher's business, including their main KPIs, competitive standing, performance initiatives, and industry needs • Maintain daily and weekly contact with clients to foster the publisher relationship, building a strong rapport and ensuring clear performance strategies are being met • Lead both client-facing and internal calls, including, but not limited to, business reviews • Liaise between our clients and internal teams on a daily basis. Be the face and voice of Freestar, responding to clients via phone, email, and Slack • Monitor site performance, offering optimization ideas • Serves as a support system between the technical team and the publisher, using data to proactively diagnose, troubleshoot, and resolve anomalies • Pitch and upsell new products that will have a positive impact on our publishers' performance and overall business. While this is not a sales role, you will still need to be comfortable in offering our publishers all of the Freestar solutions that make sense for their needs. We are revenue experts, so if there is room for growth, our clients expect to hear those ideas from us • Act as an expert for both Freestar products and industry trends, providing guidance, support, and education to our publishers, with the ability to explain complex technical concepts in simple terms for clients and stakeholders with varying levels of expertise • Generate new business from current publishers by solidifying our reputation in the marketplace and fostering a strong referral network • Handle delicate situations that have been escalated and require a high level of skill and temperament to defuse and resolve • Elevate the skill set of the Customer Success team by sharing industry knowledge, promoting a culture of learning, and discussing best practices Qualifications: • 2-3 years of proven success as an Account Manager or Customer Success Manager • Experience in the AdTech industry and/or a Publisher background. Advanced understanding of the programmatic advertising ecosystem, specifically header bidding • Well-versed in Google products, including but not limited to, Google Ad Manager and Google Analytics • Familiarity with CRM and project management systems such as Salesforce, Trello, Zendesk, and Jira • Excellent verbal and written communication skills We’d also like to see: • Exceptional organizational and time management skills with the ability to navigate and properly prioritize multiple competing deadlines and projects simultaneously. • Strong work ethic and high internal drive, with a strong sense of urgency to drive projects to completion • Professional maturity and confidence, with the ability to effectively take the lead on both internal and external calls • Teamwork, interpersonal & relationship-building skills, with the ability to lead by influence and example • A proactive mindset with the ability to take initiative beyond the specific role, supporting the company and cross-functional teams in achieving our overall goals. What you can expect in return: • Full-Time, Salaried Position • Fully remote company with collaborative asynchronous teamwork • The opportunity to drive success alongside some of the top publishers in the world Freestar is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status, or genetic information. This role is not eligible for visa sponsorship

Manage top-tier publisher clients by optimizing ad stack performance, leading client communications, collaborating with internal teams, and driving monetization strategies. | 2-3 years experience in Customer Success or Account Management in AdTech or publisher background, strong knowledge of programmatic advertising, Google products, CRM tools, and excellent communication skills. | About Freestar: Freestar engineers cutting-edge monetization solutions for websites. By combining industry-leading technology, data, and massive scale, we enable busy site owners to seamlessly maximize revenue while freeing themselves of the hassles of ad operations. Publishers then have more time to do what they do best: create content. Job Description: Our Customer Success Managers work directly with our top-tier clients, acting as the primary point of contact. To succeed in this role, you’ll need a deep understanding of publisher needs, the ability to clearly communicate technology products, and a solid knowledge of both current and emerging advertising solutions (such as ad serving, header bidding, video, etc.). A strong grasp of monetization strategies is also essential. You will collaborate with Yield Analysts, Publisher Operations, Engineers, and Business Intelligence teams to tackle challenges and optimize our publishers' ad stacks. Responsibilities: • Have a firm grasp of each publisher's business, including their main KPIs, competitive standing, performance initiatives, and industry needs • Maintain daily and weekly contact with clients to foster the publisher relationship, building a strong rapport and ensuring clear performance strategies are being met • Lead both client-facing and internal calls, including, but not limited to, business reviews • Liaise between our clients and internal teams on a daily basis. Be the face and voice of Freestar, responding to clients via phone, email, and Slack • Monitor site performance, offering optimization ideas • Serves as a support system between the technical team and the publisher, using data to proactively diagnose, troubleshoot, and resolve anomalies • Pitch and upsell new products that will have a positive impact on our publishers' performance and overall business. While this is not a sales role, you will still need to be comfortable in offering our publishers all of the Freestar solutions that make sense for their needs. We are revenue experts, so if there is room for growth, our clients expect to hear those ideas from us • Act as an expert for both Freestar products and industry trends, providing guidance, support, and education to our publishers, with the ability to explain complex technical concepts in simple terms for clients and stakeholders with varying levels of expertise • Generate new business from current publishers by solidifying our reputation in the marketplace and fostering a strong referral network • Handle delicate situations that have been escalated and require a high level of skill and temperament to defuse and resolve • Elevate the skill set of the Customer Success team by sharing industry knowledge, promoting a culture of learning, and discussing best practices Qualifications: • 2-3 years of proven success as an Account Manager or Customer Success Manager • Experience in the AdTech industry and/or a Publisher background. Advanced understanding of the programmatic advertising ecosystem, specifically header bidding • Well-versed in Google products, including but not limited to, Google Ad Manager and Google Analytics • Familiarity with CRM and project management systems such as Salesforce, Trello, Zendesk, and Jira • Excellent verbal and written communication skills We’d also like to see: • Exceptional organizational and time management skills with the ability to navigate and properly prioritize multiple competing deadlines and projects simultaneously. • Strong work ethic and high internal drive, with a strong sense of urgency to drive projects to completion • Professional maturity and confidence, with the ability to effectively take the lead on both internal and external calls • Teamwork, interpersonal & relationship-building skills, with the ability to lead by influence and example • A proactive mindset with the ability to take initiative beyond the specific role, supporting the company and cross-functional teams in achieving our overall goals. What you can expect in return: • Full-Time, Salaried Position • Fully remote company with collaborative asynchronous teamwork • The opportunity to drive success alongside some of the top publishers in the world Freestar is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status, or genetic information. This role is not eligible for visa sponsorship