Sebastián Rajo
Engineering Manager Verification Platform Team
Barcelona, Catalonia, Spain
Summary
🤩
Rockstar🎓
Top SchoolSebastián Rajo is an engineering manager and seasoned software engineer with 14 years of experience building reliable, secure systems across Java, C#, JavaScript, Python and Swift. Currently leading the Verification Platform team at Veriff after a progression from senior engineer roles, he blends hands-on backend expertise (Postgres, MongoDB, RabbitMQ, Elasticsearch) with a strong emphasis on design patterns, testing and maintainable code. He mentors teams to deliver scalable, well-crafted software and values developer experience, process discipline and collaborative culture. An active open-source contributor, he strengthened security and Python 3 support in the mongoaudit auditing tool, reflecting a practical interest in security and tooling. Sebastián is also pursuing a master’s in Cybersecurity and Privacy, underscoring a deepening focus on secure platform engineering.
14 years of coding experience
14 years of employment as a software developer
UOC (Universitat Oberta de Catalunya)
Spanish, English, Catalan
Stackoverflow
536reputation
78kreached
10answers
2questions
Github Skills (22)
python10
it-security10
databases10
authentication10
user-authentication10
mongodb-database10
security10
mongodb10
database10
testing9
pentest9
pentesting9
cli8
encryption8
facebook-chat6
Programming languages (6)
Github contributions (5)
stampery/mongoaudit
Apr 2017 - May 2020
🔥 A powerful MongoDB auditing and pentesting tool 🔥
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:1 release, 11 commits, 9 PRs in 3 years 1 month
Contributions summary:Sebastián primarily contributed to the `mongoaudit` project by refactoring test responses and improving code consistency. They fixed inconsistencies in method responses and modified code related to TLS and role validation. Furthermore, they addressed issues related to the Mongo authenticate mechanism when using SSL/TLS, which directly improves the security aspects of the tool. The user also added Python 3 support and fixed a pymongo version issue.
securityauthenticationinfosecpentesting-toolpentesting
elecay/explorer
May 2013 - Nov 2015
Contributions:30 commits, 4 PRs, 3 pushes in 2 years 6 months
firefoxlinuxbluetoothemailfile-explorer
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