Golden Gate Ventures


Cybersecurity Researcher at Aptoide
Lisbon, PT

We are looking for a Cybersecurity Researcher (PhD) to join our R&D team and work alongside with a product being used by 200 millions of people from all over the world. If you have genuine interest in cybersecurity, blockchain and mobile industry, then this is for you!

You will join the R&D team that aims to re-invent how App Stores deal with malware focusing on developing reputation systems for decision support on quality and security matters.

You will do applied research integrated in a fast-paced startup environment.



  • Research new ideas, design experiments, and develop and assess solutions for the project TrustChain, pushing the scientific frontier;

  • Collaborate with R&D team to develop prototypes and deployable software systems;

  • Study, use and adapt current state of the art in areas of Cybersecurity and Blockchain to solve specific problems of Android App Stores.

  • Produce technical reports, proposals, publications and presentations.



  • PhD in Computer Science with focus on blockchain or cybersecurity (mandatory)

  • Strong programming skills in Python, Java, or other languages;

  • Ability and willingness to write reports and documentation.


Nice to Have

  • Previous applied research experience (in industry);

  • Knowledge of reputation systems of app stores;

  • Previous experience in blockchain projects;

  • Previous participation in Portugal 2020 or Horizon 2020 R&D projects.