Python Developer
Software Engineer
Software Engineer with about 6 years of experience building scalable cloud-native systems across finance, energy, and supply chain sectors. Proven track record building high-performance applications using Python (Django, FastAPI, Flask), React and blockchain technologies (Hyperledger, Solidity), serving 5,000+ users. Specialized in quantitative trading systems, real-time data pipelines, and optimizing algorithmic workflows for low-latency, high-throughput environments.
Experience: 6 years
Yearly salary: $0
Hourly rate: $0
Nationality: 🇬🇷 Greece
Residency: 🇬🇷 Greece
Experience
Blockchain & Data Engineer
Wings ICT Solutions 2023 - 2025
Architected scalable private blockchain network systems, using Hyperledger Besu, implementing custom smart contracts (Solidity) and permissioned consensus mechanisms for enhanced supply chain transparency and integrity. Implemented a Python Flask-based RESTful microservices to expose 20+ endpoints for blockchain interaction layers, enabling faster retrieval and analytics. Orchestrated serverless data ingestion using Azure Functions and API Management, unifying 7 distinct sources into a single MongoDB datastore, resulting in a 50% reduction in data latency and reducing infrastructure costs by 25%.
Full Stack Engineer / Product Manager
Evolution Projects Plus 2020 - 2023
Delivered a Python Django-based Waste Data Management System using MySQL and ML, forecasting waste volumes with 92% accuracy using scikit-learn, adopted by 45+ municipalities. Led end-to-end product development of award-winning enterprise platform: a Python FastAPI, ReactJS and PostgreSQL-based Dynamic Workflow Management System for DEDA S.A., scaling to 5,000+ unique users and managing 10,000+ user applications. Built multi-platform energy complaint portals (RAE) and real-time geospatial fault systems (Mytilineos) using PostGIS and Leaflet.js, along with Python FastAPI, ReactJS, PostgreSQL and Redis, handling 2,000+ field tickets.
Skills
aws
backend
blockchain
freelance
grafana
hardhat
hyperledger-fabric
postgres
react
redis
solidity
python
english
german
greek