Who We Are: Gram Games is the studio behind popular titles like 1010, Six, Merge Dragons, and Merge Magic, with more exciting projects in the pipeline. We are proudly part of the Zynga & Take-Two Interactive family. We do things differently here: we work in small self-managing teams, giving you an incredible amount of ownership, autonomy, and impact. At Gram, everyone is expected to have a razor-sharp focus on creating a tangible impact on their team, their work environment, and on the overall company strategy. If you are motivated by autonomy, constant improvement, collaboration, and a sense of belonging, this is the place for you. We are currently looking for a Senior Core Tech Developer with a passion to identify, investigate and resolve performance and architectural challenges that come with iOS & Android game development. This will involve using game metrics and profiling tools on both the live game and upcoming features to dig into performance issues, optimisations, crashes and ANR’s as well as improving the overall game architecture. You’ll be doing hands-on development and be responsible for making sure that our millions of daily players get the best, most uninterrupted experience possible. Requirements We're looking for someone who… has at least 5 years experience as a game developer has a deep, wide, demonstrated knowledge in various areas of game programming like gameplay, graphics, UI, tools etc. has previous experience working with mobile games has previously shipped at least one product in a team environment has a solid understanding of the Unity 3D game engine has strong experience using C# ( experience with other languages is a plus) has a solid understanding the life cycle of a game project both development and live operations is very comfortable with modern version control systems (git) …has strong communication skills …is goal-orientated and a strong team player designs, architects, and implements high quality, structured, and robust code. …can independently create quality solutions to problems. can quickly, and efficiently, pick up and start working with pre-existing codebases. is proficient in written and spoken English. Nice to haves: have a BSc in Game Development/Computer Science/Computer Engineering or related field have understanding / experience with the Free-to-Play model, ECS systems, optimization have some knowledge of Python, Objective-C, Swift, Java or Go are familiar with unit tests, CI/CD, networking, backend integrations etc has experience using profiling tools to look in to performance issues have worked on optimisations on previous projects that have improved the users experience or development process in some way We are proud to be an equal opportunity employer, which means we are committed to creating and celebrating diverse thoughts, cultures, and backgrounds throughout our organization. Employment with us is based on substantive ability, objective qualifications, and work ethic – not an individual’s race, creed, color, religion, sex or gender, gender identity or expression, sexual orientation, national origin or ancestry, alienage or citizenship status, physical or mental disability, pregnancy, age, genetic information, veteran status, marital status, status as a victim of domestic violence or sex offenses, reproductive health decision, or any other characteristics protected by applicable law. As an equal opportunity employer, we are committed to providing the necessary support and accommodation to qualified individuals with disabilities, health conditions, or impairments (subject to any local qualifying requirements) to ensure their full participation in the job application or interview process. Please contact us at jobsgram.gs to request any accommodations or for support related to your application for an open position. Please be aware that Zynga does not conduct job interviews or make job offers over third-party messaging apps such as Telegram, WhatsApp, or others. Zynga also does not engage in any financial exchanges during the recruitment or onboarding process, and will never ask a candidate for their personal or financial information over an app or other unofficial chat channel. Any attempt to do so may be the result of a scamp or phishing attack, and you should not engage. Zynga’s in-house recruitment team will only contact individuals through their official Company email addresses (i.e., via a zynga.com, naturalmotion.com, smallgiantgames.com, themavens.com, gram.gs email domain).