George Papantoniou

GP

Looking for a job

George Papantoniou

@georgepapantoniou

Junior backend developer building FastAPI platforms for scientific data analysis and particle simulations.

What I'm looking for

I'm seeking an opportunity as a Junior Backend, Full Stack, or Software Developer.

I built a Scientific Data Platform with JWT-based authentication, RESTful APIs, CSV uploads, and statistical analysis tools with histogram visualizations.

For my Particle Simulation Platform, I developed a real-time simulation engine in Python with Newtonian gravity calculations and interactive visualization using HTML Canvas. I also built the frontend-backend communication with React and FastAPI and deployed the frontend and backend services.

My projects also include a Retro Games Application with reusable React components, external API integrations, and search and filtering. I'm pursuing an MSc in Applied Informatics and am seeking a junior backend, full-stack, or software developer opportunity.

Experience

Work history, roles, and key accomplishments

TE

Current

Customer Service Agent

Current

Teleperformance

Jan 2024 - Present (2 years 9 months)

Handled customer inquiries through inbound calls, messaging, and email workflows. Utilized Pega CRM platform for ticket management and issue resolution.

Communication Skills Problem Solving Customer Service CRM PEGA

SE

Freelance Science Tutor

Self Employed

Jan 2020 - Dec 2022 (2 years 11 months)

Delivered personalized instruction in Physics, Mathematics, and Chemistry. Designed customized learning plans and educational materials.

Teaching Physics Mathematics Chemistry Curriculum Design

JB

Store Assistant Manager

Join Juice Bars

Jan 2017 - Dec 2018 (1 year 11 months)

Supervised daily store operations and customer service activities.

Store Operations Customer Service Supervision

OP

Store Shift Manager

OPAP

Jan 2014 - Dec 2016 (2 years 11 months)

Managed financial transactions and daily reconciliation processes.

Financial Transactions Reconciliations Cash Management

Education

Degrees, certifications, and relevant coursework

IU

International Hellenic University

MSc, Applied Informatics

2025 -

Pursuing an MSc in Applied Informatics, expected to complete in the future.

IB

IBM

Program, Full Stack Development & Data Science

2024 - 2024

Completed the IBM Full Stack Development & Data Science Program.

AT

Aristotle University of Thessaloniki

BSc, Physics

2014 - 2023

Completed a BSc in Physics.

CI

Cisco

CCNA 200-301, Networking

Earned the CCNA 200-301 certification.

Tech stack

Software and tools used professionally

Pandas

MySQL

PostgreSQL

MongoDB

SQLite

Oracle

Node.js

Django

React

axios

JavaScript

Python

HTML5

Java

Kotlin

C++

FastAPI

SQLAlchemy

Vercel

Git

Docker

Render

SQL

Vite

Recharts

Power BI

Availability

Looking for a job

Location

Greece

Authorized to work in

Website

gepapant.github.io

Salary expectations

20k+ EUR

Social media

Job categories

Backend Engineer Full Stack Developer Software Developer

Skills

Backend Development Fullstack Development REST APIs Scientific Computing Data Analysis Python fastAPI React JavaScript SQL JWT Authentication Pandas PostgreSQL MySQL SQLite

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