Alexis Zagkrempa

Available to hire

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
See more

Language

Greek, Modern
Fluent
Russian
Fluent
English
Advanced
German
Beginner

Work Experience

Co-Founder and Full Stack Developer at Kriterion
August 1, 2024 - October 1, 2024
Built the core architecture of the application, including SQL Server data model, mostly Node.js backend and frontend in TypeScript. Managed hosting on Azure, leveraged Azure ML environment for forecasting, created API endpoints for integration with ordering systems, designed user onboarding flows, implemented authentication/authorization with RBAC, and created CI/CD pipelines with GitHub Actions. Reduced per-store forecast processing time from ~4 minutes to ~27 seconds on average.
React Developer at Pandectes
August 1, 2024 - October 1, 2024
Added new features for the Shopify App (Plugin) using React, TypeScript, JavaScript, GraphQL, and Shopify Liquid. Designed and built a feature for a Privacy Center for merchants’ accounts and improved integration with external apps. Worked with MongoDB and MySQL; collaborated via Git/GitHub; contributed to Tech Stack updates using Remix React Framework.
Technical Support Agent at Pandectes
March 1, 2024 - August 1, 2024
Shopify app technical support focusing on GDPR compliance worldwide. Tasks included helping Shopify stores become compliant with privacy laws (GDPR, CCPA, etc.), gathering 150+ five-star reviews, time and ticket management, writing technical articles and maintaining the help desk; produced 80+ tutorial videos on YouTube; set up Google Tag Manager and Google Analytics events; developed a Google Chrome extension for automated compliance checks; assisted with cookie banner setups for recognizable brands.
Technical Support Agent at Pandectes
October 1, 2024 - April 1, 2025
Shopify App support with GDPR and privacy compliance responsibilities; continued to improve support efficiency across multiple tickets and chats; contributed to documentation and tutorials.

Education

Bachelor of Science in Computer Engineering at University of Patras
September 1, 2022 - January 1, 2027

Qualifications

FreeCodeCamp - Responsive Web Design
January 1, 2021 - March 5, 2026
JavaScript Algorithms and Data Structures
January 1, 2021 - March 5, 2026

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Education