A platform to engage students and companies in a win-win situation to alleviate the $1.5 trillion student debt crisis. Working with the Lean Startup Model in mind in a team of two co-founders:

• Outreach via LinkedIn Sales.
• Design and implementation of Landing pages with Wordpress.
• Design and scaffolding of prototype using hipster with Spring Boot and Angular

• Implementation of high quality, reusable and well-tested features
• Planning and prioritization of technical product backlog
• Active participation in shaping the architecture and design of software modules
• Working on process in order to improve software delivery
• Streamlining of code reviews and quality assurance, code walkthroughs
• Coaching of new (senior) engineers and onboarding to the team
• Closely working together with product/business in order to elaborate technical solutions/effort estimations

Accomplishments

• Automated 3rd level support tickets and saved hundreds of hours of work
• Implemented and executed migration to Hubspot
• Migrated pages from AngularJS to Angular6

• Full-stack development and maintenance of TestingTime web app
• Took active part in making architectural decisions, shaping the engineering roadmap
• I analyzed and improved efficiency, reliability, and scalability of the platform

Projects and accomplishments:

• Enhanced the backend to support 100.000 test users
• Drove the modularisation of the web application architecture
• Introduced Code Quality CI and switched to a PR based development workflow
• Payments system for respondents, Accounting and CRM RESTful API Integrations
• 500% memory performance optimization on core algorithms
• Refactored backend to use java 8 features (Streams API, Lamdas, Futures)
• Refactored all Web Service Integrations to use asynchronous architecture

• Full-stack development for COSMOTE POS Payments Processing and Corporate Loyalty.
• I mainly worked on the payments processing division, developing the system to support tens of thousands of daily transactions while keeping the codebase maintainable and managing code debt.

Projects:

• Euronet POS Integration
• OTE-COSMOTE merger Integration
• Special Offer Management Module (CRM Web application)

• Full-stack engineer working on the Europass CV Editor project (1 million unique users per month) as part of a SCRUM team
• I was involved in all the phases of the software lifecycle, from technical architecture and design to implementation, maintenance, and support.

Accomplishments

• Enhanced the application's mobile UX and UI with Backbone.
• Improved page loading by JS / CSS minification
• Introduced OO LESS design and incorporated Material  Design principles where (and when) possible in implementation.
• Reduced negative user feedback by 90% by enhancing the backend logging infrastructure and user interaction with a smart (context-sensitive) feedback message generation.

• Technical analysis and Development of new features
• Maintenance of the existing codebase

Accomplishments

• Large scale JSP refactoring with HTML, JS and CSS refactoring.
• Developing and maintaining test suites for the back end (with JUnit) and front end (with a Selenium like application)