Senior React Native Engineer (offline)

Requirements:
5+ years professional experience with mobile app development
Proven experience as a Mobile Developer using React Native and AWS Amplify (preferred)
Experience with other AWS Services (Lambda, AppSync, Amplify, SNS, SES)
Proficiency in javascript
Experience in native mobile development in Swift, Objective-C, Java and deployment of apps in Apple and Android Appstore
Experience with GraphQL
Deep understanding of concepts like JSX, Virtual DOM, component lifecycle
Experience with encryption and data protection
Solid understanding of React Native coding principles and tools like Sentry, Bitrise, Hockeyapp, Redux, ESLint, Jest, Enzyme, Git
At least Intermediate English level

Responsibilities:
Working on development of Mobile App (primarily iOS, future Android)
Work in agile 2-week iterative sprint cycles
Work with Lead Architect on Secure design of the mobile application, propose technical options for implementation
Implement functionality as per agreed upon design document and specification
Create well documented and testable code
Follow OWASP Secure Coding best practices
Write unit test and security focused automated test suites
Bring new ideas to the table to help increase efficiency, conduct better unit testing, and incorporate new technologies

What we offer:
50% cost compensation for attending courses and seminars on self-development;
70% cost compensation for sports activities;
Regular Performance Review;
Career opportunities;
Internal University;
English training courses at the office;
Annual paid vacation (18 working days);
Paid sickness leave;
Corporate doctor;
Corporate events.

About Sombra

Sombra is a software development company that works with US, Canadian, and European clients. We combine deep technological expertise with human values, and value proactivity, making the customers happy, changes, open and honest relationships, and self-development.

We do: UI/UX, Innovative Web Application Development, Mobile App Development, DevOps & Cloud, Blockchain, IoT, AI

Sombra’s mission is to make every effort so that Sombra - a team of people who are beyond passionate about their work - continues to work and grow, despite the trials of the war in Ukraine. We work hard to fulfill the trust and expectations that our clients have put on us, to protect and develop our unique team, and to support other companies facing the challenge of working at such difficult times.

Our Vision - Freedom and Victory!

Today, Sombra has 300+ specialists and continues to expand.
The company’s offices are in Lviv, Kyiv, and Ivano-Frankivsk.
The company supports a hybrid work format in all locations — team members can choose to work remotely or from the company’s offices.

Sombra’s achievements:
On the Clutch platform, Sombra was ranked the best software development company of 2022 and entered the top 5 as a fast-growing and stable Ukrainian IT company.

Sombra is a Ukrainian tech company that continues to work and support the people of Ukraine. Since the beginning of the full-scale invasion by russian troops, we have been helping the Armed Forces of Ukraine every day.

Sombra continues to develop and expand rapidly, so we invite you to join our team!

Company website:
https://sombrainc.com/

DOU company page:
https://jobs.dou.ua/companies/sombra/