Senior React Native

Iryna Yekholova

Recruiter

i.yekholova@geniusee.com

+380 93 793 03 20

@Eholivs

Apply now

About the project

An AI platform CCTV with real-time detection, instant incident notifications, and decision-ready analytics.

Requirements

4+ years of experience building production-grade hybrid mobile apps for iOS and Android.
Proficiency in TypeScript, but also knowledge in at least one native language (i.e, Swift, Kotlin).
Deep knowledge of React Native (New Architecture).
Hands-on experience with platform SDKs and device-level APIs (e.g., permissions, networking, secure storage).
Hands-on experience implementing push notifications on both iOS and Android, including action buttons and background handlers.
Experience with mobile video: prefetching, caching, HLS/MP4 trade-offs, and playback reliability.
Knowledge of mobile security controls (i.e, biometric auth, TLS pinning).
Familiarity with LAN and real-time communication protocols (MQTT, WebSocket, or SSE), including mTLS and LAN discovery (mDNS/Bonjour).
Experience building resilient, low-latency mobile experiences with robust offline support and background syncing.
Experience automating releases to Google Play, Apple TestFlight, and managing code signing workflows.
Hands-on experience with OTA deployment and CI/CD (Expo Updates, CodePush, or similar).
Hands-on experience with bridging React Native with native iOS (Swift) and Android (Kotlin) components to optimize performance and access platform-specific APIs.
Upper-Intermediate English or higher.

Would be a plus

Experience with device attestation (Play Integrity, DeviceCheck, App Attest).
Experience with MDM/kiosk applications.
Background in building apps with LAN fallback or offline-first patterns.

What you will get

Competitive salary and good compensation package;
Exciting, challenging and stable startup projects with a modern stack;
Corporate English course;
Ability to practice English and communication skills through permanent interaction with clients from all over the world;
Professional study compensation, online courses and certifications;
Career development opportunity, semi-annual and annual salary review process;
Necessary equipment to perform work tasks;
VIP medical insurance or sports coverage;
Informal and friendly atmosphere;
The ability to focus on your work: a lack of bureaucracy and micromanagement;
Flexible working hours (start your day between 8:00 and 11:30);
Team buildings, corporate events;
Paid vacation (18 working days) and sick leaves;
Cozy offices in 2 cities ( Kyiv & Lviv ) with electricity and Wi-Fi (Generator & Starlink);
Compensation for coworking (except for employees from Kyiv and Lviv);
Corporate lunch + soft skills clubs;
Unlimited work from home from anywhere in the world (remote);
Geniusee has its own charity fund.

Please be informed that the data administrator is Geniusee LLC with headquarter at BC Y4, Yaroslavsky Lane 4, 04071, Kyiv, Ukraine. Processing of personal data is carried out in accordance with the Law of Ukraine "On Protection of Personal Data" dated 01.06.2010 No. 2297-VI. You have the right to request access to your personal data, their release, removal or restriction of admission, the right to make a warning against admission, as well as the right to transfer the data and to make arrangements. The submission of data is voluntary and this personal data is processed in order to manage candidate applications and recruitment (selection process, interview follow-up, your job alerts management). Refusal to provide these obligations may result in a lack of opportunity to conduct the recruitment process.

Candidate personal data is addressed to Geniusee and is available to our recruitment teams, our employees involved in the recruitment process, our HR teams, and our IT teams which administrate our tools. As a part of our recruitment process evaluation, some of your data (name, surname, email address) may be used in charge of organizing events during which we may invite certain candidates.