Manuel Esteban
Senior Software Engineer (Back End) at Cognizant Technology Solutions Spain
Greater Madrid Metropolitan Area Spain
Summary
👤
Senior🎓
Top SchoolManuel Esteban is a Senior Back End Software Engineer with 12+ years building and optimizing large-scale Java/Spring Boot systems across telecom, banking, and IPTV domains. He combines deep performance and scalability expertise—driven by hands-on work with JMeter, SOA/CDN architectures, and middleware—with pragmatic microservice design to reduce coupling and improve system resilience. Comfortable from JVM internals to Linux VM deployments and databases like Oracle/MySQL, he has repeatedly delivered integration, stability and performance improvements for international teams. At Nokia and Alcatel-Lucent he bridged development, QA automation and Scrum responsibilities, demonstrating a rare mix of engineering and delivery leadership. Currently at Cognizant in the Madrid metro area, he’s expanding into Go while preparing for Java 8 certification, reflecting continuous upskilling. Known for proactive problem-solving and tooling-driven automation, he favors measurable performance gains over speculation.
12 years of coding experience
26 years of employment as a software developer
Certified, Oracle Certified Professional, Java SE 6 Programmer, Certified, Oracle Certified Professional, Java SE 6 Programmer at Oracle UniversityM.S, Computer Science, M.S, Computer Science at Universidad Pontificia de Salamanca
Github Skills (33)
chat10
apache9
react-native9
web-application9
electron9
javascript9
socket-io9
python9
websocket9
slack9
zulip9
nodejs9
collaboration9
react8
typescript7
Programming languages (3)
Github contributions (5)
Ydle/LogsBundle
Jan 2014 - Jan 2015
Contributions:18 commits, 1 push, 1 tag in 11 months
Ydle/framework
Mar 2014 - May 2015
Contributions:142 commits, 2 PRs, 32 pushes in 1 year 1 month
bundlephpsymfony-bundlesymfonydistribution
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