Open to opportunities

Spiros Zafrantsas

@spiroszafrantsas

Message

Seasoned front-end developer with 20 years of software development experience.

Greece

Message

What I'm looking for

I am looking for a role that fosters innovation, encourages collaboration, and offers opportunities for professional growth.

Seasoned Senior Frontend Developer with over a decade of experience, specializing in modern JavaScript frameworks, particularly Vue.js (including Composition API), Nuxt.js 3, and Quasar. Proven track record in architecting scalable frontend applications, driving design system adoption via Storybook, and enforcing robust testing practices using Cypress and Jest. Adept at TypeScript, HTML/CSS, with hands-on experience in cross-platform development (Flutter) and performance monitoring (Sentry). Successfully led migrations of legacy codebases, contributed to mono-repo setups (NX.dev), and collaborated closely with backend teams on REST API integration. Passionate about clean code principles, mentoring teams, and driving product-focused development in agile environments.

Experience

Work history, roles, and key accomplishments

Senior Frontend Developer

Truckbeat

Dec 2021 - Apr 2025 (3 years 4 months)

Migrated the codebase to Vue.js 3 (Composition API), TypeScript, and Pinia, while introducing Storybook for managing shared UI components and promoting a Design System. Implemented Cypress and Jest for E2E and unit testing, and migrated a PWA app to Flutter (Android and iOS). Collaborated with backend teams on REST API requirements, configured CI/CD pipelines on Bitbucket and AWS Amplify, and ment

Vue.Js 3)TypeScript Pinia Storybook Cypress Jest Flutter NX.Dev Sentry CI CD Nx.Dev

Senior Frontend Developer

Interworks.cloud

Sep 2018 - Dec 2021 (3 years 3 months)

Modernized the frontend stack using Vue.js, TypeScript, and Webpack, and introduced Storybook for managing shared UI components and promoting a Design System. Led the refactoring of payment gateway architecture, integrating Stripe and PayPal, and collaborated with backend teams on REST API requirements. Configured CI/CD pipelines on Azure and mentored team members on modern frontend technologies a

Vue.Js TypeScript Webpack Storybook Stripe PayPal REST APIs

Senior Game Developer

Zeusplay

May 2004 - Aug 2018 (14 years 3 months)

Designed and implemented a client-side slot game framework using ActionScript 3 and later HTML5/JavaScript. Built the back office web application with Vue.js and JavaScript, and collaborated with backend teams on REST API requirements and design. Developed internal tools using C# and Visual Basic to support game development workflows.

ActionScript HTML5 JavaScript Vue.Js C++Visual Basic REST APIs Game Development

Education

Degrees, certifications, and relevant coursework

Private Vocational Institute of Pythagoras

Informatics and Multimedia Specialist, Informatics and Multimedia

Graduated in 2002 from the Private Vocational Institute of Pythagoras, specializing in Informatics and Multimedia. This program provided foundational knowledge and skills in various aspects of information technology and multimedia applications.