Discover the multi-channel programmatic advertising platform used by digital marketers around the world. StackAdapt is a digital advertising platform that specializes in native, display, video, connected TV, audio, in-game, and DOOH advertising.

Our state-of-the-art platform is where some of the most progressive work in machine learning meets cutting-edge user experience. StackAdapt is designed around the three core pillars of programmatic—planning, executing and analyzing.

StackAdapt is ranked as the number 1 DSP on G2. For six consecutive years with over hundreds of reviews, StackAdapt has been recognized as a high performer and the highest-ranking DSP in customer satisfaction by G2. StackAdapt was also recognized as an Enterprise Fast 15 winner as part of the Technology Fast 50™ program in 2023 and is one of Ad Age’s Best Places to Work in 2024.

StackAdapt is headquartered in Toronto, Canada. We have teams and client support across North America, EMEA, APAC, and LATAM.

StackAdapt

Discover the self-serve programmatic advertising platform used by digital marketers around the world.

StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. With 465 billion automated optimizations per second, the AI-powered StackAdapt Marketing Platform seamlessly connects brand and performance marketing to drive measurable results across the entire customer journey. The most forward-thinking marketers choose StackAdapt to orchestrate high-impact campaigns across programmatic advertising and marketing channels. We are searching for a talented Senior/Staff Applied Machine Learning Scientist to join our engineering team as we continue to expand our data science efforts. Our platform is connected to thousands of publishers and advertisers worldwide and as a result, we're dealing with millions of requests each second, making billions of decisions. We utilize the latest technologies to solve challenges in traffic, data storage, machine learning, and scalability. Want to learn more about our Data Science Team: https://alldus.com/ie/blog/podcasts/aiinaction-ned-dimitrov-stackadapt/Learn more about our team culture here: https://www.stackadapt.com/careers/data-science Watch our talk at Amazon Tech Talks: https://www.youtube.com/watch?v=lRqu-a4gPuU StackAdapt is a Remote First company, and we are open to candidates located anywhere in the UK for this position. What you'll be doing:Lead the creation and optimization of advanced machine learning algorithms—from developing new methods to refining existing techniques—to enhance advertising effectiveness and ROI using deep ML expertise.Own the end-to-end development of production-grade ML models: write efficient, scalable code and collaborate with Data Engineers to deploy and integrate algorithms into live systems.Drive the prototyping and rigorous testing of innovative algorithms and data pipelines using historical data to validate performance and scalability; lead iterative improvements based on data-driven insights.What you'll bring to the table:3+ years of industry experienceHave a Masters degree or PhD in Computer Science, Statistics, Operations Research, or a related field, with dual degrees a plus.Have the ability to take an ambiguously defined task, and break it down into actionable stepsHave a comprehensive understanding of statistics, optimization and machine learningAre proficient in coding, data structures, and algorithmsEnjoy working in a friendly, collaborative environment with others StackAdapter's Enjoy:Highly competitive salaryRetirement/ 401K/ Pension Savings globallyCompetitive Paid time off packages including birthday's off!Access to a comprehensive mental health care programHealth benefits from day one of employmentWork from home reimbursementsOptional global WeWork membership for those who want a change from their home office and hubs in London and TorontoRobust training and onboarding programCoverage and support of personal development initiatives (conferences, courses, books etc)Access to StackAdapt programmatic courses and certifications to support continuous learningAn awesome parental leave programA friendly, welcoming, and supportive cultureOur social and team events!Please note: Benefits and perks may vary depending on your country of employment and the nature of your engagement. In locations where StackAdapt does not have a legal entity, employment and benefits are administered in accordance with local regulations and partner policies.StackAdapt is a diverse and inclusive team of collaborative, hardworking individuals trying to make a dent in the universe. No matter who you are, where you are from, who you love, follow in faith, disability (or superpower) status, ethnicity, or the gender you identify with (if you’re comfortable, let us know your pronouns), you are welcome at StackAdapt. If you have any requests or requirements to support you throughout any part of the interview process, please let our Talent team know. We use artificial intelligence (AI) to streamline the resume reviews of candidates and assess their fit based on the criteria outlined in the job posting. We do not use AI to make any final hiring or interview decisions. About StackAdapt We've been recognized for our diverse and supportive workplace, high performing campaigns, award-winning customer service, and innovation. We've been awarded: G2 Top Software for 2026
2026 Best Workplaces™ for Young Talent and in Canada by Great Place to Work®
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