Sombra is a Ukrainian IT company and in this difficult time for Ukraine, we are actively helping our country and volunteers. We are working full time to continue providing help to our army to defeat the russian occupier. We have opened our own volunteer coordination center to support the army and help displaced people.
19 травня 2022

Middle/Senior Frontend Engineer (React Native) (вакансія неактивна)

Київ, Львів, Івано-Франківськ, за кордоном, віддалено

Our customer ( Brooklyn, New York) is a pioneering healthcare technology company with the power to unlock the mysteries of what it is to be human. They collect accurate real-world data that is relevant and actionable, tailored to everything from patient support to clinical trials.

Technologies to be used in the project:
React Native, React, JS including ECMA-2015 standard


• 3+ years of experience;
• Experience with React Native;
• Familiarity with React;
• Familiarity with JS including ECMA-2015 standard;
• Knowledge of open-source libraries;
• Experience with code management in GitHub;
• Experience implementing/using REST APIs;
• English- Upper-Intermediate.

Nice to have:

• Familiarity with iOS and Android platforms;
• Experience building highly secure systems;
• Experience implementing software design patterns;
• Knowledge of the general web development landscape, architectures, trends, and emerging technologies;
• Demonstrated interests in privacy/security, philanthropy and/or innovation/exploration;
• Education: Bachelor’s Degree in Computer Science or equivalent.


• Work closely with the platform team to propose and develop workflow and data flow to achieve the proposed product requirements;
• Design and build cutting-edge responsive web applications for mobile devices, tablets, and PC;
• Work with external data sources and APIs;
• Perform code validation for functionality, and robustness, including edge cases, usability, and general reliability;
• Work on bug fixing and improving application performance;
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

What we offer:

• Annual paid vacation of 18 working days;
• Annual paid illness of 10 days;
• Paying taxes and conducting private entrepreneurs;
• Flexible working hours
• Internal education(corporate library, Udemy courses);
• English training courses;
• Compensation for sports activities (up to 6000 UAH\year);
• 50 % cost compensation for attending courses for self-development;
• Corporate doctor;
• Maternity\Paternity leave;
• Technical equipment: laptop, mouse, keyboard, monitor, chair;
• Opportunity of sabbatical leave;
• Career development plan;
• Internal Referral program;
• Opportunity to take part in company volunteering activities;
• Technical community events.