Cross Source
Mobile Application Engineer

Mobile Application Engineer

Sofia full-time

Job Description

We are looking for an experienced Mobile Application Engineer to be a part of our growing team and make an impact.

In this role, you will lead the company's primary product architecture and design.

Develop and maintain a complex-trading platform app, which is highly configurable, has extensive network API and web sockets traffic, is feature-rich, and has over 1 million downloads.

It is a great opportunity to learn, contribute and influence!


• You will be involved in all aspects of development including design, UX, performance, test, release, deploy.
• You will mentor the team for good mobile coding practices.
• Optimize the app performance extensively using monitoring tools
• Be the focal point for the product/QA/R&D manager.
• Suggest new features and/or enhancements.
• You will integrate with different tools for marketing, analyzing, and promoting the app.


• 3+ years of experience in developing a complex highly performant app in react native - A must
• BSc. in CS or equivalent.
• Deep understanding of Javascript and js engines.
• Experienced with mobile echo systems including hybrid, native, and react native.

We offer:

• A stable job and career development opportunities
• Ongoing Learning and Training
• Attractive salary.
• Additional health insurance
• Friendly working environment
• Special benefits for our team members (Multisport Card, CoolFit Happy Hours, Fruits and food, etc.)

Cross Source LTD - Recruitment Agency (license № 2767 from 21.03.2019)

Contact Information

Phone: 0897 902220

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