Konstantinos C. Full-Stack Software Engineer (Java + React)

Back-End Web

Summary

- Full-Stack Software Engineer with 5 years of development experience
- Experience in AWS and messaging frameworks like Kafka and Spring Integration
- Reworked applications to meet changing market trends and individual customer demands
- Designed, developed, and implemented software applications for websites based on analyzed requirements and understanding of industry technical standards
- Reviewed code and debugged errors to improve performance
- Collaborated in a team-based, Agile environment to accomplish objectives by deadlines
- Versed in the latest technologies and most useful programming languages
- Fluent English
- Available in 1-2 weeks after approval for the project

Experience 

Full-Stack Developer, iSignThis

October 2020 - Present 

Description: Doing full-stack software development using Java8+, Javascript, and React together with Springboot + Docker + MongoDB, focusing on payment and KYC services implementation.

Team: 10 members

Responsibilities:

  • KYC for payments and regulation.
  • Implementing features and production optimization and bugs

 

Java Software Engineer, Accenture

May 2018 - October 2020

Project: Hellenic Telecommunications Organisation S.A., OTE Group (the largest technology company in Greece)

Team: 50 members

Responsibilities:

  • Reworked applications to meet changing market trends and individual customer demands.
  • Provided technical direction and system architecture expertise.
  • Designed, developed, and implemented software applications for websites based on analyzed requirements and understanding of industry technical standards.
  • Reviewed code and debugged errors to improve performance.
  • Collaborated in a team-based, Agile environment to accomplish objectives by deadlines.
  • Participated in requirements gathering and design development meetings.
  • Provided high-level customer support to remote clients using the support Redmine system, successfully resolving and closing all issues daily.
  • Worked with business users and operations teams to understand business needs and address production questions.
  • Adjusted software parameters to boost performance and incorporate new features.
  • Wrote, modified, and maintained software documentation and specifications.
  • Monitor and guide the Offshore team.
  • Understand, analyze, and task breakdown of business requirements for new projects
  • Assign, oversee and support the task completion by newer team members
  • UAT Book SIT Book
  • Creating/expanding repository and database
  • Support and test Jenkins deployment process
  • Manage deployments in Oracle W

Tools & Technologies: Java, HTML, CSS, Jms, Oracle DB


Web developer, Focus On

December 2017 - February 2018

Responsibilities:

  • Designed, developed, and implemented software applications for a website based on analyzed requirements and understanding of industry technical standards.
  • Oversaw web platform testing, troubleshooting, and user sampling prior to live deployment.
  • Wrote lines of code using HTML, CSS, JavaScript, and jQuery languages.
  • Conducted testing and review of website design for responsiveness, clarity, and effectiveness

Education

Bachelor of Science: Informatics, University of Piraeus, Piraeus

September 2010 - January 2017