Thanasis Tsiavos

Thanasis Tsiavos is a highly experienced Software Engineer with expertise in developing microservices, cloud web services, and integration applications. He has extensive knowledge in Java, Spring Boot, Kubernetes, and Apache Camel, with a track record in the finance and telecom sectors. Thanasis excels in Agile and Test-Driven Development methodologies, delivering robust and scalable solutions.

He is skilled in modernizing legacy systems and implementing innovative software solutions for complex business needs.

SOFTWARE ENGINEER January 2021 - December 2023

Sigma Technology - Karlskrona, Sweden

Designed and implemented a social portal app based on Umbraco and Azure to connect new professionals in the Blekinge, Karlskrona region. Developed microservices for Charging and Mobile Money Wallet products at Ericsson Karlskrona, utilizing Agile and TDD. Gained experience in Go and Scala for project-specific applications.

Technologies:

Kubernetes; Java 17; Spring Boot; Azure; Umbraco; Microservices Architecture; Apache Kafka; Agile Framework Methodologies; Test-driven development; Scala; GoLang; GitLab & Jenkins CI/CD; SQL; Apache Cassandra

SOFTWARE ENGINEER December 2017 - October 2021

Software Engineer | Eurobank Via ( B&R Outsourcing SA) - Athens,Greece Developed Cloud Web Services (Rest & SOAP) for e-banking middleware platforms

Developed instant payment applications using Java 11, Spring Boot, and Spring JMS on the OpenShift Platform (RedHat Kubernetes).

Build Integration applications with Java 11, utilizing Apache Camel framework and Spring Boot.

Implemented Lookup and User Authentication services for LDAP Directory Servers, including Windows Active Directory and RedHat Directory Server.

Gained experience with SEPA Payment Convertors and Payment Middleware. Developed Web Services for SWIFT Advice transactions.

Technologies:

Java 11; Spring Boot; Microservices Architecture; JBOSS, IBM MQ;RedHat OpenShift; JBoss Application Server; Java EE; Apache Camel; Hibernate ORM; MS Sql Server; IBM DB2 Database; JSON; SOAP; Rest; XML; SQL

Education

SkillSoft JAVA DEFENSIVE PROGRAMMING 2022

Cydrill SECURE CODING TRAINING 2022

B.A. 2008

Technical Institue of Piraeus, Computer Systems Engineering - Athens,Greece