Position: Senior Mobile Security Researcher (AdTech Platform)
Company: Sigma Software Group
Experience required: 5y
English level: fluent

We welcome an experienced, proactive professional in security engineering to join our team. 
As a Mobile Security Researcher, you will have an opportunity to recommend changes to the product, use innovative approaches to R&D activities, optimize working processes at the customer's organization, and help with the growth of the account by sharing insights with the Account Manager.

Ready for a challenge?

**Customer**
Our Customer's company is headquartered in San Francisco, USA, with offices in New York, Dublin, Sydney, London, Tokyo, Chicago, and Salt Lake City.

The Customer's data infrastructure team processes 100TB of compressed data, 6 trillion of events, and 100B of real time events daily on a scalable, highly available platform.

**Project**
The project involves investigating iOS and Android security alongside with web security, which is not a typical task and presupposes R D activities more than just coding.
The project helps to extract non-personal data of users to help B2C clients target their advertisements better. Basically, the biggest value is saving costs of customers on ads by displaying them to the right users.
The biggest and most interesting challenge is conducting research and development activities, which is about creativity, non-typical tasks. The main duty is to cooperate with other R D members of the team and dig deep into the basics of Internet to come up with the best techniques to achieve business goals.

**Responsibilities**
Research and develop new methods for researching browser/cache/network vulnerabilities in the context of Android and iOS in order to identify users based on unique characteristics
Find how to apply this knowledge to exchange identifiers between browsers/web views/applications
Take an active part in daily discussions with Customer representatives and team members in the company to find the best ways to achieve business goals
Take an active part in weekly meetings and discussions on ways to optimize marketing campaigns

**Requirements**
At least 5 years of experience in security engineering
At least 2 years of experience in building mobile products
Knowledge of DNS, Caches, iOS security, Android security, Web security
Understanding of fundamental design principles behind a scalable application
Experience with research development works
Strong analytical abilities
Experience with writing unit/integration tests
At least Upper-Intermediate level of English