Žiga Flis

CTO • Blockchain Developer • Full-Stack Engineer

Building the decentralized future with cutting-edge blockchain technology and innovative solutions

About Me

As a Chief Technology Officer and seasoned blockchain developer, I specialize in building secure, scalable decentralized applications and smart contracts. With over 8 years of experience in software development and system engineering, I bring a unique blend of technical expertise and leadership skills.

My journey in blockchain technology began in 2019, and since then, I've been at the forefront of Web3 innovation, developing cutting-edge solutions in Solidity, Substrate, and various blockchain ecosystems.

Ljubljana, Slovenia
CTO & Full-Stack Developer
Blockchain Specialist
8+
Years Experience
50+
Projects Completed
20+
Technologies Mastered

Professional Experience

A journey through blockchain innovation, full-stack development, and technical leadership

Current

Chief Technology Officer

Full-time

Oct 2021 - Present · 4 yrs 5 mos

  • Lead and mentor a cross-functional development team to deliver high-quality blockchain solutions
  • Establish and enforce security best practices across all development processes and smart contract deployments
  • Architect and develop production-grade smart contracts for decentralized applications
  • Oversee front-end integration strategies and ensure seamless blockchain connectivity
  • Drive technical strategy and make critical architectural decisions for product development
BlockchainSmart ContractsSolidityTeam LeadershipSecurity
Current

Owner & Full-Stack Developer

Self-employed

Feb 2020 - Present · 6 yrs 1 mo

  • Design and develop responsive front-end applications using React and modern JavaScript frameworks
  • Build and maintain custom WordPress solutions for enterprise clients
  • Create secure and efficient smart contracts using Solidity for blockchain applications
  • Develop scalable backend systems and APIs using Node.js
  • Deliver comprehensive IT solutions tailored to client business requirements
  • Provide expert blockchain consulting services for Web3 projects and token implementations
ReactWordPressSolidityNode.jsBlockchainConsulting

Information Technology Specialist

Part-time

Sep 2019 - Jan 2022 · 2 yrs 5 mos

  • IT infrastructure management and VPN technology implementation
IT InfrastructureVPNNetwork Security

Smart Contract Developer

Part-time

Sep 2019 - Jan 2022 · 2 yrs 5 mos

  • Developed blockchain solutions using Solidity and Substrate frameworks
  • Architected and implemented DAO governance systems and smart contract infrastructure
  • Integrated Web3.js with React front-end applications for seamless blockchain interactions
  • Managed smart contract deployments and implemented comprehensive security protocols
SoliditySubstrateDAOReactWeb3.jsSecurity

Lead Developer

Contract

Apr 2021 - Dec 2021 · 9 mos

  • Designed and developed fully decentralized Initial DEX Offering (IDO) smart contracts
  • Led a development team through the complete software development lifecycle
SoliditySmart ContractsIDOTeam ManagementBlockchain

Smart Contract Developer

Full-time

Jan 2020 - Mar 2021 · 1 yr 3 mos

  • Developed comprehensive ecosystem smart contracts using Solidity
  • Integrated blockchain functionality with React front-end applications using Web3.js
SolidityReactWeb3.jsSmart Contracts

System Engineer

Full-time

Oct 2019 - Feb 2020 · 5 mos

  • Managed system engineering operations and maintained critical IT infrastructure
System EngineeringIT Infrastructure

System Administrator

Full-time

Jun 2016 - Sep 2019 · 3 yrs 4 mos

  • Administered enterprise systems and provided comprehensive IT support services
System AdministrationIT SupportNetwork Management

Skills & Expertise

Blockchain & Web3

Solidity95%
Smart Contracts95%
Web3.js/Ethers.js90%
Substrate80%
DAO Development85%

Frontend Development

React95%
Next.js90%
TypeScript90%
Tailwind CSS85%

Backend & Infrastructure

Node.js85%
System Administration80%
WordPress75%
IT Infrastructure80%

Leadership & Management

Team Management90%
Security Best Practices95%
Technical Architecture90%
Blockchain Consulting85%

Get In Touch

Interested in collaboration or have a project in mind? Let's connect and build something amazing together.

Email

contact@flisko.si

Location

Ljubljana, Slovenia