Alert: Unity has received reports of scams where individuals purporting to be Unity HR representatives conduct bogus employment interviews via email or text, and then request payment as a condition for receiving an offer of employment. Please be aware that Unity does not conduct interviews by email or text, and will never request payment as a condition for applying for a position or receiving an offer of employment. These scam operators may also ask for your personal information (name, address, birthdate, social security number, etc.) which you should not provide to them. The opportunity We are looking for our new Senior SDK Developer to join our Monetization team in Montreal! In this role, you will be working on the Mediation SDK under Unity's Grow Services division, which aims to help developers monetize and manage the player lifecycle. You will build and optimize SDKs that developers embed in their games and connect to backend services at Unity. What you'll be doing Contribute, design, implement, test, and improve functionalities in Unity Mediation SDK, and extend the Unity engine to support advanced monetization capabilities. Take responsibility for the lifecycle of new features from inception through release. Collaborate, support and mentor other team members to ensure high‑quality product delivery that brings the best experience to game developers and gamers. Write high‑quality and scalable code that supports the existing and future functionality of the product. Collaborate remotely with the team and cross‑functional, distributed teams, advocating for our company values and culture to maintain an inclusive working environment. What we're looking for Strong experience with C# and Unity Package development, with mobile development experience on iOS or Android. Experience writing and maintaining efficient code at scale, with proficiency in developing automated tests to ensure code quality and reliability. Ability to discuss and understand code design fluently and in depth. Experience working with AI and building tools that enhance developer productivity and product capabilities. Strong interpersonal and communication skills, with successful experience collaborating with cross‑functional teams. You might also have Experience extending the Unity Editor/Engine. Experience with Mediation SDKs or Ads Networks. Good understanding or interest in Monetization within applications, and passion for the gaming industry. Additional information Relocation support is not available for this position. Work visa/immigration sponsorship is not available for this position. 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 Well‑being programs and support. Employee Resource Groups. Global Employee Assistance Program. Training and development programs. Volunteering and donation matching program. Life at Unity Unity (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. 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. This position requires the incumbent to have 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 website 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 our Prospect Privacy Policy and Applicant Privacy Policy. Should you have any concerns about your privacy, please contact us at #J-18808-Ljbffr