Sergio Bachiller
Product Developer at Audiense
Córdoba, Andalusia, Spain
Summary
👤
Senior🎓
Top SchoolSergio Bachiller is a product-focused backend lead with 17 years of experience designing scalable, high-performance architectures and leading distributed teams. Currently a Senior Product Developer at Audiense, he combines TypeScript/React full-stack delivery with building MCP servers that integrate LLMs and apply prompt-engineering for robust, real-time data augmentation. He has a strong track record in authentication and security work, evidenced by substantive contributions to the widely used SimpleSAMLphp project where he improved XML parsing and SAML validation. Sergio pairs hands-on coding and performance optimization with people leadership—defining tasks, mentoring engineers, and driving cross-functional collaboration. His background spans academia, open-source coordination, and international consultancy (including a UN Volunteers audit), showing both technical depth and civic-minded engagement. Based in Córdoba, Spain, he brings a pragmatic blend of legacy systems experience and modern AI/ML-infused product development.
17 years of coding experience
Master of Computer Science, Computer science, Master of Computer Science, Computer science at Universidad de CórdobaIntensive English Language Program, Inglés/English, Intensive English Language Program, Inglés/English at Virginia Commonwealth University
English, Portuguese
Stackoverflow
301reputation
13kreached
7answers
0questions
Github Skills (16)
security10
xml10
authentication10
php10
xmlsec10
user-authentication10
saml10
nested-forms6
foreign-keys6
doctrine6
primary-key6
forms6
twig6
symfony6
subquery6
Programming languages (12)
Github contributions (5)
simplesamlphp/simplesamlphp
May 2015 - Dec 2018
SimpleSAMLphp is an application written in native PHP that deals with authentication.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:23 commits, 13 PRs, 36 comments in 3 years 7 months
Contributions summary:Sergio primarily contributed to the SimpleSAMLphp project by modifying core PHP code related to XML parsing, signature validation, and SAML-related functionalities. Their work involved refactoring code, fixing object operator issues, and updating the codebase to use the SAML2_DOMDocumentFactory class. The changes encompassed multiple files within the library and modules, indicating a focus on enhancing the authentication and security aspects of the application. They also fixed an issue in the dependency file.
securityphpauthenticationsaml2saml
aulasoftwarelibre/idea
Sep 2017 - Sep 2022
Gestor de actividades en grupo
Contributions:423 commits, 72 PRs, 228 pushes in 5 years
phpgestorlaravelsymfonygrupo
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