About the team44pixels is a venture capital-funded startup at the forefront of the mobile AI applications industry. Our mission is to revolutionize how users interact with AI through cutting-edge mobile apps. Backed by some of the most prestigious names in venture capital, we are on a rapid growth trajectory and are looking to expand our team with innovative, driven, and passionate individuals.About the roleWe are looking for a Senior Mobile Engineer with React Native experience to join our team. This is a great opportunity to join us at an early stage and grow with the company as we develop more products and hire more. We believe in investing in people, and therefore are looking for someone with ambition and high agency, who will become part of the core engineering team.Responsibilities Write reusable, testable, and efficient code Help design and implement functional requirements for the mobile application and platform Create beautiful, performant and polished interfaces

Optimize applications’ performance, from API interactions to UI animations

Requirements 5+ years of proven React Native and Typescript experience 2+ apps live in App Store or Google Play Experience with production application development cycle At least basic knowledge of Typescript and rock-solid knowledge of JavaScript Experience with 3rd party frameworks and SDKs (AppsFlyer, Firebase, Purchasely, Braze etc) Strong understanding of native build tools, like XCode, Gradle, and Android studio Solid knowledge of platform features (push notifications, in-app purchases etc) Understanding of software engineering practices and principles

Good communication, collaboration and team skills

Nice to have A bachelor’s or equivalent degree in the relevant field Experience in back-end, front-end or any other tech stack Experience in native mobile development (iOS or Android) Experience with LLMs, ImageGen or other AI tech

Experience with setting up CI/CD pipelines for mobile apps

‍Benefits Work in a highly professional team. Informal and friendly atmosphere in the team Paid vacation — 20 business days per year, 100% sick leave payment Equipment provision Partially compensated educational costs (for courses, certifications, professional events, etc.) Legal and Accounting support in Poland Ability to work from our comfortable downtown office in Warsaw 5 sick days per year Medical insurance (after the end of the probationary period) English and Polish classes 2 times a week (online) Bright and memorable corporate life: corporate parties, gifts to employees on significant dates