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Blockchain / Web3 Developer

Dimitris Triantafyllidis

Enterprise chains, smart contracts and the infrastructure around them. Currently building at UBITECH, in Thessaloniki, Greece.

years in blockchain: 2
networks worked with: 6
projects shipped: 7

Hire me View work

~/dimitris — zsh

$ whoami
blockchain_developer
$ cat skills.json
Solidity | TypeScript | Besu | Chainlink
$ status
OPEN TO WORK
$

01 · TECHNICAL_SKILLS

languages & libraries

TypeScript9/10
Ethers / Wagmi8/10
Python7/10
Viem7/10
Web37/10
Solidity6/10

networks

public

Ethereum
Arbitrum
Sepolia

permissioned

Hyperledger Besu
Fabric
Quorum

expertise

DeFi
Cross-chain / CCIP
Node infrastructure
Smart contracts
ERC20
NFTs
Identity management

dev_tools

Foundry
Hardhat
Wagmi / Viem
Ethers
Docker
Kubernetes

02 · PROJECTS_DEPLOYED

Currently buildingFeatured
Blockchain Factory
A platform where users can deploy and manage their own Hyperledger Besu networks — spin up chains, add and remove nodes, pause, resume or remove networks, deploy smart contracts, and manage multiple blockchains and projects from one place. Currently in active development.
- Besu
- Node orchestration
- Multi-tenant
- Contract deployment
Current
UBITECH — Enterprise blockchain
Building blockchain solutions that integrate frontend and backend systems.
- Besu
- Web3
- Graph
- Chainlink
- Foundry
- Ethers / Wagmi
Testnet
Cross-chain Rebase Token Bridge
Deposit ETH on Sepolia and bridge rebase tokens to Arbitrum Sepolia via Chainlink CCIP.
Cyfrin Foundry course build
- Next.js
- Wagmi
- Viem
- TanStack Query
- Tailwind
Research
Sandwich Attack Research (Uniswap V2)
An empirical MEV study on Ethereum mainnet — detection pipeline, dataset and a short paper. Research, not a product.
- TypeScript
- Node
- viem
- PostgreSQL
- Python (pandas/matplotlib)
Infra guide
Chainlink Local Node + Besu setup
Run a Chainlink node locally and deploy contracts on a Besu network.
- Docker
- Foundry
- Chainlink oracle
Mainnet
ACS Courier Tracking
Blockchain-integrated courier order tracking with Keycloak identity management.
CERTH
- React
- Node.js
- Hyperledger Fabric
Early work
Early on-chain work
ERC20 tokens and NFT contracts — early Ethereum work.
- ERC20
- NFTs
- Ethereum

View all projects on GitHub

03 · WORK_HISTORY.LOG

Blockchain (Fullstack) Developer
current
UBITECH
Mar 2025 — Current
- Building blockchain solutions that integrate frontend and backend systems.
- Working across Besu, Web3, Graph, Chainlink, Foundry and Ethers/Wagmi.
Frontend Developer
Part-time, freelance
3NS.ai
Apr 2024 — Jun 2024
- Assisted in developing Web3 AI-powered domain solutions and related platform features.
- Mainly frontend and on-chain interactions, also touching Solidity contracts and Node/TypeScript services.
Research Assistant — blockchain / web / mobile
CERTH — Centre for Research & Technology Hellas
Feb 2020 — Oct 2022
- Blockchain-integrated courier order tracking for ACS, with Keycloak identity management.
- Built on React, Node.js and Hyperledger Fabric.

Career progression

2018
Web Developer
SmartMoves
2020
Research Assistant
CERTH
2022
Fullstack Engineer
Quality & Reliability
2023
Senior Frontend
EUIPO
2025
Blockchain Developer
UBITECH

04 · ESTABLISH_CONNECTION

contact.sh

quick_connect

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© 2026 Dimitris Triantafyllidis