Senior React Native Engineer
Prosta 51, Warszawa
On The Spot Development
About the team
44pixels 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 role
We 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

On The Spot Development to firma specjalizująca się w tworzeniu oprogramowania na zamówienie. Oferuje wsparcie w zakresie developmentu dla startupów oraz firm, w tym usługi takie jak Offshore Development Center, Custom S...
Senior React Native Engineer
Senior React Native Engineer
Prosta 51, Warszawa
On The Spot Development