Staff / Senior Staff Software Engineer, User Profile

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. About the Team: The User Profile team manages all aspects of user profiles, from bidding requests to building audiences and applying complex business rules. We interact with several downstream services and stakeholders, including Bidding, Data Science, and other teams. We also own the non-programmatic workflow engine and user segment builder. Our systems are built in Golang and handle millions of requests per second with an SLA of 100ms. We leverage AWS, Kubernetes, Kafka, ScyllaDB, and other modern tools and databases. It’s important to note that we are a software services team, not a data engineering team. Watch our talk at Amazon Tech Talks: https://www.youtube.com/watch?v=lRqu-a4gPuU StackAdapt is a Remote First company, we are open to candidates located anywhere in Canada or the United States for this position. What you'll be doing: Architect scalable, low-latency backend systems and data pipelines while writing code as necessary to support the team Provide technical leadership in the design of scalable solutions and the establishment of best practices Contribute positively to the team's productivity and growth Advocate for software development best practices and conduct thorough code reviews Proactively identify and address technical challenges What you'll bring to the table: Proven track record of building scalable, distributed, data-intensive systems Experience working with large data in low-latency environments At least 7 years of experience in software development for distributed systems, architecting scalable microservices, and data pipelines in a successful high-growth technology company A strong understanding of computer science fundamentals, data structures, and algorithms Up-to-date knowledge and experience in the latest technologies, tools, and frameworks Adtech or Martech experience is a plus Experience with Go and high-performance databases is a plus StackAdapter's Enjoy: Highly competitive salary Retirement/ 401K/ Pension Savings globally Competitive Paid time off packages including birthday's off! Access to a comprehensive mental health care program Health benefits from day one of employment Work from home reimbursements Optional global WeWork membership for those who want a change from their home office and hubs in London and Toronto Robust training and onboarding program Coverage and support of personal development initiatives (conferences, courses, books etc) Access to StackAdapt programmatic courses and certifications to support continuous learning An awesome parental leave program A friendly, welcoming, and supportive culture Our 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® #1 DSP on G2 and leader in a number of categories including Cross-Channel Advertising To learn more about our privacy practices, please see our Privacy Policy . #LI-REMOTE