Stelios Modes
CTO Founder at Rillet
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolStelios Modes is a CTO and founder based in Barcelona with 15+ years of experience leading software engineering across fintech, healthcare, logistics, entertainment, publishing and digital marketplaces. As founder and CTO of Rillet since 2022, he blends hands-on development with strategic leadership to architect scalable systems and drive product roadmaps. Previously at ThoughtWorks, he led data lake implementations, data pipelines for scale-ups, and real-time payments processing for neobanks. Earlier roles at Shazam and Playfish immersed him in high-traffic microservices and performance optimization for apps with millions of users. His expertise spans high-performance backends, infrastructure automation, data warehouses and machine learning, with a track record of turning complex requirements into reliable production systems. Educated at the National Technical University of Athens and The University of Manchester (MSc in Advanced Computer Science), he combines rigorous technical training with entrepreneurial drive.
10 years of coding experience
7 years of employment as a software developer
Distinction, MSc, Advanced Computer Science, Distinction, MSc, Advanced Computer Science at The University of ManchesterDipl.-Ing., Electrical and Computer Engineering, Dipl.-Ing., Electrical and Computer Engineering at National Technical University of Athens
English, Greek, Spanish, French
Github Skills (25)
aws8
gcp8
csharp8
javascript7
inspection7
golang7
pulumi7
dotnet7
python7
serverless7
azure7
kotlin6
docker6
typescript6
containers6
Programming languages (2)
Github contributions (5)
stelmod/kotlin-koans
Aug 2018 - Aug 2018
Kotlin workshop
Contributions:5 pushes, 1 branch in 1 day
kotlin-languagekotlinworkshop
stelmod/fpinscala
Jun 2019 - Jul 2019
Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala"
Contributions:9 pushes in 12 days
gleamincrementalfunctorfunctional-programmingdeclarative-programming
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.