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About the Role

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.

Responsibilities

Design, 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 on
Model entity data for scale and change — relational schema design, migrations, and schema evolution against tables that serving, billing, and reporting all read from
Design 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 trust
Operate what you build on Kubernetes, where the service declares its own cloud infrastructure alongside its code, and take real ownership of its SLOs
Drive observability and quality across the platform — distributed tracing, metrics, and testing frameworks
Set the standards for how the service is built and hold the line on them in design and code review, mentoring engineers as you go

Requirements

6+ years building and operating production software, with real depth on both backend services and modern frontend
Advanced TypeScript, and experience with an opinionated, modular Node backend framework — NestJS, or comparable dependency-injection and module architectures
Strong 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, safely
Event-driven systems — Kafka, Pub/Sub, or similar. You understand delivery semantics, ordering, and idempotency, and what happens when two systems disagree
Advanced React, with strong judgment around component design, state management, and performance in data-intensive interfaces
Cloud-native operation — containerized services on Kubernetes, and comfort owning the system in production, including deployment, scaling, monitoring, incident response, and on-call
Strong ownership mindset — focused on correctness, observability, and long-term maintainability, backed by real engineering discipline in testing, review, and accessibility
Sufficient knowledge of English for professional verbal and written exchanges, as frequent communication with global colleagues is required.

Skills

TypeScript
NestJS
Node.js
SQL
Kafka
Google Cloud Pub/Sub
React
Kubernetes
Go

Location

Zone A
Zone B

Work Type

Full-time

Experience Level

Senior
6+ years

Salary/Compensations

Zone A: $135,400 - $175,900
Zone B: $125,300 - $162,800

Benefits

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 program

About the Company

Unity 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 www.unity.com.

Equal Opportunity

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.