Fernando Cejas

Fernando Cejas

IT Professional

Fernando Cejas is an IT professional focused on Scalability, Mobile platforms, Frontend and Leadership.

He has worked for several companies in a wide variety of projects in Kotlin, Java, Scala, Rust, Ruby, C-Sharp, PHP and in different contexts: social networks, messaging and music platforms, NFC/RFID hardware solutions and E-commerce.

Active in open source and software development communities for more than 15 years, as a part of his present, he grows, leads and helps teams to be more productive and effective. He also advocates software engineers by exploring new technologies, speaking at conferences and sharing knowledge.

Berlin, Germany
Fernando Cejas



Director of Mobile at Wire

Wire offers one of the most comprehensive collaboration suite featuring messenger, voice, video, conference calls, file-sharing, and external collaboration – all protected by the most secure end-to-end-encryption.


  • Leading and growing both iOS and Android Teams in terms of success and career development.
  • Defining product and technical tactics and strategies for the short/mid/long term.
  • Responsible for cross-team collaboration and mentoring by making use of software engineering good practices and patterns.
  • Work with Product for risk management, feature prioritization, road-mapping and resource management.
  • Taking an important role in creating developer relationships and fomenting knowledge sharing and open source contributions.

Lead Developer Advocate at IBM

International Business Machines (IBM), is a global technology company that provides hardware, software, cloud-based services and cognitive computing.


  • Led and grew a team 6 of developer advocates ensuring it success and goals.
  • Mentoring, hiring and career development by conducting 1:1 meetings and follow ups.
  • Participated in several conferences advocating and giving inspiration, educational and entertaining speeches about AI, Mobile Development and Software Engineering in general.
  • Contributed to open source communities by writing code examples and participating in open source projects.
  • Wrote blog posts, tutorials and content about Artificial Intelligent, Open Source and Engineering.
  • Created and gave workshops in technology events mainly across Europe.

Tech Lead Core Engineering at SoundCloud

SoundCloud is the world’s largest open audio platform, powered by a connected community of creators, listeners and curators on the pulse of what’s new, now and next in culture. It has over 190 million tracks from 20 million creators heard in 190 countries.


  • Main Roles: Tech Lead and Engineering Management.
  • Lead team success and goals. Took an important role on the hiring process and team organization.
  • Wrote frameworks and libraries which acted as a base for other developers in order to build up user facing features.
  • Maintained cross-cutting concerns within mobile clients.
  • Participated in architectural aspects and modularization of mobile clients: Android and iOS.
  • Took and important part on the Continuous Integration and Delivery Pipeline.

Mobile Software Engineer - Tech Lead at Tuenti - Telefónica

Tuenti is a mobile virtual network operator (MVNO), owned by Telefónica. It is a Spain-based tech company, that focuses on providing a cloud experience through its own application and its website to their customers. Originally, Tuenti was created in 2006 as a social networking (referred as the “Spanish Facebook”) with over 15 million registered users.


  • Actively involved in Android development of the social network mobile client.
  • Collaborated with the mobile QA and testing strategy, company wise.
  • Managed a team of 5 developers.

Mobile Software Engineer at Flomio


  • Led and developed a project based on NFC called 'NFC Actions' which was a free android application that would let users program their NFC Tags to perform certain actions when reading them through an Android NFC Enabled device.

Chief Technology Officer - CTO at Niula Digital


  • Responsible for establishing the company’s technical vision and leading all aspects of the company’s technology development.
  • Actively involved in Android and Backend development of a restaurant platform for making reservations.

Chief Technology Officer - CTO at Fastdove


  • Responsible for establishing the company’s technical vision and leading all aspects of the company’s technology development.

Software Architect at Aifos Solutions


  • Contributed to the architecture and design of systems based on RFID technology, specially on the health area.

Software Consultant at Tiger Customized Systems


  • Conducted, managed and developed several projects in different areas: financial, health and insurance.

DBA - Developer at Juleriaque


  • Managed and developed the storage/db infrastructure based on Data Replication using Microsoft technologies.
  • Developed the current administration system and migrated old system to new technologies.

Technical Support at Perez Solares Medical Center


  • Maintained the network infrastructure.
  • Conducted installation and maintenance of the system used in the medical center.


Degree in Computer Systems from Pontifical Catholic University of Argentina with GPA of 9.0

Degree in System Analysis from Pontifical Catholic University of Argentina with GPA of 8.5

Bachelor in Technical Development from Pontifical Catholic University of Argentina with GPA of 9.0


Fluency: Native speaker
Fluency: Native speaker
Fluency: Professional working proficiency


Engineering Leadership
Level: Master
  • Strategy
  • Planning
  • Organization
  • Risk Management
  • Growth
  • Productivity
  • Effectivenes
Software Engineering
Level: Master
  • Mobile
  • Frontend
  • Backend
Programming Languages
Level: Master
  • Kotlin
  • Java
  • Rust
  • Scala
  • Ruby


  • Cycling
  • Hiking
  • Climbing
  • Quantum Physics
  • Math
  • Technology
  • Psychology
  • Science Fiction
  • Technical Material
  • Human Behavior
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