Position: Blockchain Developer
Company: DMarket
Experience required: 3y
English level: upper

**Who we are:** Our company started from gamers community garage sales in 2008. We develop and support our own game projects and always try to keep that old-school gaming community’s sense of friendship and humor in our company. We launched an e-commerce Steam™ skins trading platform with 2 million visitors monthly and became the World’s TOP #1 merchant of digital goods. And now we are developing a new worldwide project.

**Responsibilities:**

- Lead design and development on the blockchain infrastructure elements
- Serve as the organization's SME and advise on blockchain integration techniques including the proper use of relevant APIs and libraries
- Work with the Platform Assurance team and Information Security to establish proper operations, management, and security controls and processes
- Engage in both product definition and development of the microservices related to blockchain integration
- Provide guidance related to securing interactions between the core cloud platform and various blockchain technologies.

**Requirements:**

- B.S. in Computer Science or Software Engineering
- At least 3 years of experience with blockchain technology integrations including a deep understanding of blockchain concepts and hands-on development experience
- Proven expertise implementing Bitcoin and Ethereum nodes (validator, full, archive)
- EVM compatible smart-contract development
- Significant exposure to integration with blockchain developer platforms such as QuickNode, Blockdaemon, or Alchemy

**Would be a plus:**

- Understanding and implementing different types of consensus mechanisms in blockchain

**Would be nice to have:**

- Experience with developer-oriented blockchain technologies such as Ethereum smart contracts and Web3 libraries
- Experience with financial systems or other environments with high transaction throughout and stringent security requirements
- Experience working with agile methodologies (Kanban, CI/CD, TDD, Paired Programming)
- Experience with Google Cloud and GKE

**We offer:**
- Team of like-minded professionals
- Insurance
- A unique project with modern technologies
- The perspective of career and financial growth
- Free lunches at the office
- Paid English classes
- Budget for professional development
- Chill-out zone with kicker, gamepad, VR
- The coffee point with a real barista
- Flexible timetable and modern office in the center of Kyiv