Apostolos Emmanouilidis
Senior Technology Architect at Helloworld Travel Limited
Greece
Summary
👤
Senior🎓
Top SchoolApostolos Emmanouilidis is a Senior Technology Architect with 13 years of hands-on experience building and modernizing enterprise systems across Telecom, Retail and Insurance in multinational environments. He specializes in software architecture, API-first integration, SOA/microservices, omnichannel e-commerce and performance tuning, and has led cross-functional delivery teams and external vendors. Apostolos blends pragmatic engineering with architectural rigor—knowing when safe shortcuts speed delivery without compromising maintainability—and has driven cloud, containerization and CI/CD adoptions (including containerized WebLogic and Azure deployments). He has a track record of solving long-standing operational issues, implementing secure integration patterns (mTLS, SAML) and delivering test automation and performance improvements at scale. An active contributor to open-source (notably backend improvements and tests for AeroGear UnifiedPush Server), he enjoys mentoring teams and fostering collaborative practices like pair programming and code reviews. Based in Greece with extensive international delivery experience, he pairs an MSc in Information Systems with a persistent focus on resilient, business-aligned solutions.
13 years of coding experience
6 years of employment as a software developer
Master of Science (M.Sc.) 2 years Information Systems, Master of Science (M.Sc.) 2 years Information Systems at Athens University of Economics and Business
English, Greek
Stackoverflow
7,217reputation
843kreached
179answers
3questions
google-maps
top-5%
soap
top-5%
jquery-mobile
top-1%
jquery
top-5%
cordova
top-5%
java
top-5%
Github Skills (31)
unit-testing10
api-rest10
api-design10
restful-api10
jquery-mobile10
java10
javas10
rest-api10
cordova9
javascript9
push-notifications9
webservice9
jquery9
soap9
apple-push-notifications9
Programming languages (3)
Github contributions (5)
aerogear/aerogear-unifiedpush-server
Jun 2013 - Nov 2013
:rocket: AeroGear UnifiedPush Server
Role in this project:
Backend Developer
Backend DeveloperContributions:9 commits in 4 months
Contributions summary:Apostolos primarily focused on enhancing the backend functionality of the AeroGear UnifiedPush Server. Their contributions included adding preflight DELETE handlers and returning entities in POST responses to improve API behavior and cross-origin resource sharing (CORS) support. Additionally, the user added unit tests for service implementations, demonstrating a commitment to code quality and maintainability. Minor improvements and refactoring, such as making variant descriptions optional, were also implemented.
wildflyapnspush-notificationsfcmaerogear
tolis-e/jQuery-Mobile-Progress-Bar-with-Percentage
Feb 2013 - Jul 2019
Contributions:109 commits, 2 pushes in 6 years 6 months
method-chainingprogress-barprototypebasisconfigure
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