Lefteris Karageorgiou

Lefteris Karageorgiou Email and Phone Number

Senior Solutions Architect @ Amazon Web Services (AWS)
London, England, GB
Lefteris Karageorgiou's Location
United Kingdom, United Kingdom
About Lefteris Karageorgiou

Lefteris is a Solutions Architect at Amazon Web Services with 20 years of experience in Software Engineering. He is part of a community that specializes in Serverless computing and Java. Throughout his career, Lefteris has demonstrated expertise in successfully leading the migration of large monolithic systems to event-driven microservices architectures.Additionally, he has served as an AWS Tech Instructor, training more than 200 individuals on the AWS cloud platform. Lefteris is a frequent speaker at technical conferences and meetups, where he shares his knowledge and expertise on topics such as event-driven microservices, serverless, and cloud computing.Lefteris is also a passionate technical writer, having contributed as a Technical Author for Java Code Geeks, one of the most popular blogs for Java Programmers. He is also the author of the book "Mastering Event-Driven Microservices in AWS" (https://amz.run/9V3y), a practical guide that equips readers with the knowledge and skills to design, build, and operate resilient, scalable, and fault-tolerant systems using AWS serverless services.

Lefteris Karageorgiou's Current Company Details
Amazon Web Services (AWS)

Amazon Web Services (Aws)

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Senior Solutions Architect
London, England, GB
Website:
aws.amazon.com
Employees:
142019
Lefteris Karageorgiou Work Experience Details
  • Amazon Web Services (Aws)
    Senior Solutions Architect
    Amazon Web Services (Aws)
    London, England, Gb
    View
  • Amazon Web Services (Aws)
    Solutions Architect
    Amazon Web Services (Aws) Nov 2022 - Present
    Seattle, Wa, Us
    View
  • Ava™ - An Orange Education Label
    Author Of Mastering Event-Driven Microservices In Aws
    Ava™ - An Orange Education Label Aug 2024 - Present
    New Delhi, Delhi, In
    Author of the book 📕''𝐌𝐚𝐬𝐭𝐞𝐫𝐢𝐧𝐠 𝐄𝐯𝐞𝐧𝐭-𝐃𝐫𝐢𝐯𝐞𝐧 𝐌𝐢𝐜𝐫𝐨𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐢𝐧 𝐀𝐖𝐒''.This comprehensive guide is perfect for developers, architects, and tech enthusiasts who want to dive deep into event-driven systems and master the art of leveraging AWS Serverless services for powerful microservice architectures.👉 For International Buyers (AVA™): https://lnkd.in/gfG7kVUS👉 For Indian Buyers (AVA™): https://lnkd.in/gHu_9fX8👉 Amazon International: https://amz.run/9V3y👉 Amazon India: https://amz.run/9V3x
    View
  • Top Town
    Co-Founder & Cto
    Top Town Jul 2021 - Dec 2023
    View
  • The Signal Group
    Senior Software Engineer
    The Signal Group Oct 2019 - Oct 2022
    Glyfada, Attica, Gr
    View
  • Code.Hub
    Aws - Senior Tech Instructor
    Code.Hub Jul 2019 - Oct 2022
    Athens, Attiki, Gr
    Teaching AWS (certification programs, labs) to companies and individuals
    View
  • Zulutrade
    Lead Software Engineer
    Zulutrade May 2015 - Sep 2019
    Pireaus, Gr
    • Design and lead the migration of the backend APIs from a monolithic application to event-driven microservices using Java 8, Spring Boot/Cloud, RabbitMQ, Redis, AWS• Implementation of a multithreaded Java application responsible for getting Market Data using the FIX protocol• Refactored Statistics and Ranking application and improved performance by 30%• Responsible for the full life cycle of the software design process including requirements, design, implementation, testing, deployment, maintenance• Improved performance, scalability and availability of the website• Achieved 90% in integration and unit test coverage• Responsible for code reviews, following coding standards and creating API documentationTechnologies-Frameworks:Java 7/8, Spring Boot, Spring Cloud, Hibernate, MySQL, JMS, RabbitMQ, Redis, Tomcat, JBoss, Maven, Git, Docker, Jenkins, Swagger, Angular, Bootstrap
    View
  • Java Code Geeks
    Technical Author
    Java Code Geeks Feb 2019 - Jun 2019
    My published articles can be found on: https://examples.javacodegeeks.com/author/lefteris-karageorgiou/
    View
  • Inspired Gaming Group
    Senior Java Developer
    Inspired Gaming Group Mar 2012 - Apr 2015
    New York , New York , Us
    • Lead the design and development of server-side web applications using Java, Spring, JPA, Hibernate• Implementation of frontend web applications using Spring MVC, JSP, Thymeleaf, AngularJs, Bootstrap• Involved in load testing and optimization of web applications• Following Agile Scrum, TDD and Pair Programming methodologies
    View
  • Vermantia Media Group
    Java Developer
    Vermantia Media Group Dec 2010 - Feb 2012
    Athens, Attica, Gr
    • Designed and developed REST APIs for Gaming Applications in J2EE and Oracle• Developed J2SE multi-threaded application responsible for parsing sports data in XML and send in real time to clients via web sockets• Implemented internal CMS application in JSP for managing the sports data
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  • Intrasoft International
    Application Analyst
    Intrasoft International Sep 2008 - Dec 2010
    Luxembourg, Lu
    • Analysis and design of the requirements and specifications of Customs Applications• Daily maintenance of the applications deployed on AIX Systems• Development of Oracle 9i SQL/PL-SQL queries for reporting
    View

Lefteris Karageorgiou Education Details

  • Athens Information Technology
    Athens Information Technology
    Software Development
  • University Of Patras
    University Of Patras
    Computer Science

Frequently Asked Questions about Lefteris Karageorgiou

What company does Lefteris Karageorgiou work for?

Lefteris Karageorgiou works for Amazon Web Services (Aws)

What is Lefteris Karageorgiou's role at the current company?

Lefteris Karageorgiou's current role is Senior Solutions Architect.

What schools did Lefteris Karageorgiou attend?

Lefteris Karageorgiou attended Athens Information Technology, University Of Patras.

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