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  • LocationKrakow
  • SalaryCompetitive rates
  • Job TypePermanent
  • ReferencePAV001
  • Date posted14-Sep-23

Role- Principal Android Engineer


Our client is one of the largest Financial Institutions and Financial Services organizations in the world, with operations in 64 countries and territories.


Using technology to transform the world’s leading financial institution, this is a job for the boldest problem solvers in the tech industry.


Employment Type : UOP




  • Lead and tackle complex technical challenges while advising engineering teams.
  • Participate in technology leadership and oversee engineering as a senior lead.
  • Set engineering standards and ensure quality across teams.
  • Identify and manage technology risks and opportunities.
  • Design scalable solutions for large engineering teams.
  • Collaborate on talent acquisition and retention with recruiting and leadership.
  • Conduct diverse code reviews and provide timely feedback.
  • Demonstrate effective engineering patterns.
  • Define engineering strategy with leadership.
  • Strategically reduce technical debt and drive continuous improvement.
  • Collaborate throughout the project lifecycle, including planning, architecture, coding, and DevOps.



Required Skills:


  • Hands-on experience in using Kotlin to develop Android App
  • Knowledgable in upcoming engineering trends for the Android ecosystem
  • Experience as a technical expert on the Android platform and competency with industry-standard libraries
  • Have experience in Dagger2, Rxjava2, Retrofit2, familiar with third party lib integration
  • Master level with UI and Core Architectural Design patterns
  • Solid experience in writing Unit Tests and UI tests, must be familiar with Junit, Mockito, and Espresso
  • Experience with source code versioning tools, specifically GitHub
  • Familiar with security concepts and integration is a must, like HTTPS, cert pinning, encryption and decryption, and data protection




  • Health care, life insurance
  • Long-term projects
  • Flexible working hours


Other benefits:


  • Highly skilled tech team who is always ready to help, collaborate and share knowledge
  • Clear career engineering path and the possibility to rotate between projects and teams (for a longer time)


Have we sparked your interest?

Get in touch! We are looking forward to speaking to you


Reach out to me at or apply for this job to know more.

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NetPromoter Score


10 out of 10. Danielle has been a pleasure to work with thus far, excellent communication, and very helpful in scheduling time with distributed team members.


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Unfortunately, position I applied has been filled out before my interview with client. However, I would definietely recomend (10) Vertex to others.


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- Felt professionally represented for roles we pursued - Relevant opportunities presented in light of discussions we had and my expectations

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