Software Engineer- Full Stack, Unified Ads Platform

The opportunityAt Unity, we're building a world-class advertising platform that operates at a massive global scale. The Ads team powers the systems that connect advertisers with creators and players, driving performance, reliability, and growth across our ecosystem.As a Senior Full-Stack Engineer on the Unified Ads Platform team, you'll own the service layer where advertiser and publisher entities live. Campaigns and budget caps, applications and ad units, creative packs and the moderation pipeline behind them, offerwall currency, A/B tests, LevelPlay integration. These are the records the rest of the ads estate reads from, and our APIs are the source of truth for them across serving, billing, and reporting.This role goes beyond building an API and moving on. The data you model is consumed by systems you don't own, in paths where a wrong value costs money. You'll design contracts that stay stable as the product changes, keep state consistent across service boundaries, and own the correctness and availability of all of it in production.This role is ideal for someone strong on both sides of the stack who thinks in terms of data contracts and correctness, and who wants real ownership of systems other engineering teams depend on.What you'll be doingDesign, build, and operate services in our TypeScript platform (NestJS) across a large domain model, owning the APIs and data contracts that downstream ads systems depend onModel entity data for scale and change — relational schema design, migrations, and schema evolution against tables that serving, billing, and reporting all read fromDesign and build event-driven integrations with Kafka and Google Cloud Pub/Sub, using patterns such as transactional outbox and idempotent consumers to maintain consistency across service boundaries.Deliver the user-facing surfaces on top of the platform in React and TypeScript, turning dense entity and performance data into workflows publishers and advertisers can trustOperate what you build on Kubernetes, where the service declares its own cloud infrastructure alongside its code, and take real ownership of its SLOsDrive observability and quality across the platform — distributed tracing, metrics, and testing frameworksSet the standards for how the service is built and hold the line on them in design and code review, mentoring engineers as you goWhat we're looking for6+ years building and operating production software, with real depth on both backend services and modern frontendAdvanced TypeScript, and experience with an opinionated, modular Node backend framework — NestJS, or comparable dependency-injection and module architecturesStrong data modelling and SQL — schema design, migrations, and performance at scale, alongside the API versioning judgment that goes with it. You've had to change something other teams read from, safelyEvent-driven systems — Kafka, Pub/Sub, or similar. You understand delivery semantics, ordering, and idempotency, and what happens when two systems disagreeAdvanced React, with strong judgment around component design, state management, and performance in data-intensive interfacesCloud-native operation — containerized services on Kubernetes, and comfort owning the system in production, including deployment, scaling, monitoring, incident response, and on-callStrong ownership mindset — focused on correctness, observability, and long-term maintainability, backed by real engineering discipline in testing, review, and accessibilityYou might also haveExperience with GoBackground in ads, attribution, billing, or monetization systemsInfrastructure-as-code experience — Kubernetes-native resource management, Terraform, or service meshFamiliarity with OpenTelemetry and distributed tracing in productionExperience with design systems or configuration-driven UI frameworksExposure to cross-team technical alignment or guild-style quality initiativesZone A: $172,400 - $224,100Zone B: $153,400 - $199,400Zone C: $135,800 - $176,400This range reflects the anticipated base salary for this position. Beyond base salary, this role may be eligible for equity awards and participation in our company incentive plans (such as annual discretionary bonuses or sales commissions). The final offer amount will depend on several factors, including geographic location and the candidate’s relevant experience, professional background, and skill set.BenefitsAt Unity, we want our team members to thrive. We offer a wide range of benefits designed to support well-being and work-life balance.Please note: Benefits eligibility, specific offerings, and coverage vary based on the country and employment status.While specific benefits vary, here are some of the ways we strive to take care of our eligible team members globally: Comprehensive health, life, and disability insurance | Commute subsidy | Employee stock ownership | Competitive retirement/pension plans | Generous vacation and personal days | Support for new parents through leave and family-care programs | Office food snacks | Mental Health and Wellbeing programs and support | Employee Resource Groups | Global Employee Assistance Program | Training and development programs | Volunteering and donation matching programLife at UnityUnity [NYSE: U] is the world’s leading game engine, powering play for more than 3 billion consumers each month. The top mobile games in the world, the most played PC indie titles, the most innovative console games, and virtually all of the top XR and Web Games are developed, deployed, and grown in Unity. Unity also enables teams across industries like automotive, manufacturing, and healthcare to design, simulate, and collaborate in 3D — closing the gap between ideas and reality. For more information, please visit .Unity is a proud equal opportunity employer. We are committed to fostering an inclusive, innovative environment and celebrate our employees across age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, or any other protected status in accordance with applicable law. Our differences are strengths that enable us to support the growing and evolving needs of our customers, partners, and collaborators. If you have a disability that means there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience, please fill out this form to let us know.Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.Headhunters and recruitment agencies may not submit resumes/CVs through this Web site or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third-party agency or company that does not have a signed agreement with Unity.Your privacy is important to us. Please take a moment to review ourProspect andApplicant Privacy Policies. Should you have any concerns about your privacy, please contact us at View email address on click.appcast.io: Mountain View, CA, USA; Bellevue, WA, USA; San Francisco, CA, USAType: Full time