# Iason Tsitsaris > Senior Front-End Software Engineer based in Athens, Greece, with over 10 years of experience building web applications, from tax and financial platforms to large-scale sports betting products. Specializes in React and TypeScript. Holds a degree in Informatics (University of Piraeus) and an MBA (University of Nicosia). - Website: https://iasontsitsaris.gr/ - CV (PDF): https://iasontsitsaris.gr/files/IasonTsitsaris.pdf - Email: info@iasontsitsaris.gr - LinkedIn: https://gr.linkedin.com/in/iason-tsitsaris-452987a4 - Location: Athens, Greece ## Experience ### Senior Front-End Software Engineer, OpenBet (Aug 2020 - Present) OpenBet is a global leader in sports betting and gaming technology. - Design and build front-end solutions in React and TypeScript, backed by Node.js services, for leading operators. - Work on scalable, high-traffic products. - Implement new features against agreed technical specifications. - Investigate and resolve production issues. Technologies: React, TypeScript, JavaScript, Node.js, JSX ### Software Engineer, SingularLogic (Apr 2014 - Jul 2020) SingularLogic is one of the largest integrated IT solutions groups in Greece. - Designed, developed and tested modules for tax, financial, accounting, hotel, retail and IoT web applications. - Implemented new modules against agreed technical specifications and resolved functional issues. - Contributed to five national election projects (European, parliamentary, regional and municipal), delivering results-reporting systems. Technologies: JavaScript, AngularJS, Backbone.js, jQuery, PHP, C#, MySQL, PostgreSQL, MongoDB, Redis ## Education ### Master of Business Administration (MBA), University of Nicosia (Jan 2019 - Feb 2021) - GPA 3.69/4.0. - Coursework: accounting, finance, marketing, decision-making, corporate strategy, enterprise information systems, IT project management, e-business. ### Degree in Informatics, University of Piraeus (Sep 2007 - Jan 2013) - Core computer science: programming, networks, databases, security, advanced mathematics. - Thesis: "Wind turbine optimization using the metaheuristic Bat algorithm", which achieved roughly 20% better results than previous research. ## Skills - Frontend: React, TypeScript, JavaScript, Angular, HTML & CSS, jQuery - Backend: Node.js, PHP, C# / .NET, REST APIs (JSON, XML) - Databases: MySQL, PostgreSQL, Microsoft SQL Server, MongoDB, Redis - DevOps & Tools: Docker, Ansible, Linux, Playwright - AI: AI-assisted development, Cursor, prompt engineering - Also worked with: Backbone.js, Underscore, Lodash, RequireJS, Ext JS - Strengths: responsible, creative, strong at multitasking, analytical and numerical skills