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via ats_greenhouse · 10 June 2026 ·13 days ago

Senior Full-Stack Engineer

wunderkind

Montréal Remote

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About Wunderkind: 
Wunderkind ads are 'behaviorally triggered', meaning that ads are served on a premium list of publishers only when a user is done consuming content. Our proprietary tag is integrated directly on the publisher page to track on-site user behavior - making 'net new' ad placements. How we serve the ad is why we are different from our competitors in-market.
Rather than placing an ad in front of someone while they're actively trying to read content, our technology patiently waits until a visitor has stopped reading before rendering our ad on the page. And that patience pays off -- it turns out that when an ad experience respects the user's reason for visiting a page, the user respects the ad experience in return. This unique, brand safe approach to ad experience gives an advertiser's message more attention and greater engagement.
Summary
We are seeking a senior full stack engineer who can help deliver Wunderkind Advertising's roadmap across supply, demand, and platform investments. This includes building and scaling campaign placements and triggers (overlay takeovers, mastheads, in-feed, gallery / milestone units, slider placements, progress bars, ad refresh, and multiple-campaign activation), integrating SSP demand sources, improving OpenRTB-based auction flows, and evolving advertiser / publisher tooling and reporting. The ideal profile combines strong backend engineering, practical frontend product development, and fluency in ad-tech concepts and vocabulary.
<h1>The Profile We Are Looking For</h1>
<ul>
<li>A senior engineer who can move comfortably between backend services, APIs, data / event flows, and frontend product surfaces without losing momentum in either layer.</li>
<li>Someone who can reason about advertising systems using the language of supply, demand, campaigns, placements, bid requests, SSP integrations, OpenRTB, creative constraints, pacing, segmentation, and reporting.</li>
<li>An engineer who can translate roadmap themes into implementation plans - for example, new ad placements, campaign-type expansion, refresh logic, segmentation controls, bulk-edit tooling, publisher workflows, and advertiser-facing reporting capabilities.</li>
<li>A pragmatic builder who can operate in ambiguity, identify the right system boundaries, and ship incremental value while preserving long-term platform quality.</li>
<li>Ads-space experience is a strong asset; CTV, SSP, auction, or broader ad-tech experience is especially valuable.</li>
</ul>
<h1>Role Responsibilities: </h1>
<ul>
<li>Design, build, and maintain full stack product capabilities across backend services, APIs, frontend interfaces, and internal tools that support Wunderkind Advertising.</li>
<li>Implement supply-side product capabilities such as new placements, trigger logic, refresh behavior, and multi-campaign activation rules across onsite, in-app, and adjacent ad surfaces.</li>
<li>Build frontend and backend workflows that support advertiser and publisher use cases, including segmentation controls, placement configuration, campaign setup, and bulk-edit or operational tooling.</li>
<li>Contribute to demand-side integrations and optimization work, including SSP onboarding, OpenRTB request / response handling, auction logic, curation flows, and traffic-shaping or path-optimization capabilities.</li>
<li>Partner closely with product managers, designers, and engineers to translate roadmap items into clear technical designs, scoped milestones, and production-ready implementations.</li>
<li>Develop reporting and observability capabilities that improve visibility into bids, impressions, inventory, advertiser outcomes, and platform health.</li>
<li>Write clean, modular, testable code and uphold strong engineering standards through code reviews, documentation, and thoughtful system design.</li>
<li>Help shape architecture and delivery decisions around latency-sensitive systems, event-driven workflows, privacy-aware data handling, and operational reliability.</li>
<li>Support production readiness by contributing to monitoring, troubleshooting, incident response, and ongoing platform improvements.</li>
</ul>
<h1>Required Qualifications:</h1>
<ul>
<li>5+ years of professional software engineering experience, including substantial hands-on experience in both backend and frontend development.</li>
<li>Strong proficiency in at least one backend language such as Go, Java, or similar, with experience building production APIs, services, and integrations.</li>
<li>Strong proficiency in modern frontend development, ideally with React and TypeScript, including experience building product configuration or operational interfaces.</li>
<li>Experience designing and integrating with RESTful APIs, event-driven systems, and service-oriented architectures.</li>
<li>Ability to model and implement business logic for campaigns, placements, segmentation, reporting, or workflow configuration in a scalable and maintainable way.</li>
<li>Solid understanding of distributed systems fundamentals, production debugging, observability, and performance considerations.</li>
<li>Ability to reason about ad-tech concepts such as supply and demand flows, SSP integrations, OpenRTB, VAST, impression / click tracking, creative metadata, privacy signals, and latency-sensitive request paths.</li>
<li>Experience working with telemetry, analytics, or event streams to power reporting and operational visibility.</li>
<li>Comfort working across the full delivery lifecycle: discovery, technical design, implementation, testing, deployment, and post-launch support.</li>
<li>Strong problem-solving skills, attention to detail, and the judgment to make pragmatic trade-offs in ambiguous environments.</li>
<li>Ability to work independently and autonomously without requiring constant supervision.</li>
<li>Excellent communication and collaboration skills.</li>
</ul>
<h1>Additional Qualifications:</h1>
<div>
<ul>
<li>Experience in the Ads, CTV, SSP, DSP, OEM, or broader ad-tech space is a strong asset.</li>
<li>Familiarity with OpenRTB, VAST, impression / click tracking, privacy signals, and creative rendering workflows.</li>
<li>Experience building configurable campaign, placement, segmentation, or rules-based product capabilities.</li>
<li>Experience with advertiser reporting, publisher tooling, dashboards, or bulk-edit / operations interfaces.</li>
<li>Experience with Kubernetes, service-oriented architectures, queues / streams, or observability tooling.</li>
<li>Exposure to video, image, or creative-processing pipelines, including asset packaging or transformation flows.</li>
</ul>
</div>
<h1>What Success Looks Like</h1>
<ul>
<li>You independently deliver meaningful product and platform work across both backend and frontend surfaces.</li>
<li>You raise the team's ability to operate in Ads by bringing strong technical judgment and by navigating the language and constraints of the domain.</li>
<li>You contribute to roadmap delivery across new placements, campaign capabilities, integrations, and reporting without requiring heavy translation from domain experts.</li>
<li>You help reduce execution risk by identifying technical gaps early, shaping sound implementation plans, and driving work to completion.</li>
</ul>
This role is intended for a senior engineer who can bring the technical language, systems thinking, and implementation depth needed to operate effectively in a growing Ads / CTV space.
The base salary range for this role is $160,000.00 to $175,000.00. Actual compensation packages are based on several factors that are unique to each specific candidate; including but not limited to skill set, depth of experience, applicable certifications, and geographic work location. This may vary depending on living location and market rate.

This listing is from ats_greenhouse. View original listing ↗

Senior Full-Stack Engineer

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