Backend Blockchain Developer

HashEx vision is to become #1 DeFi Security Provider.

We believe that by providing a full stack of affordable tools and services, we can set the new security standards and make the decentralized world better and safer, together. We're always looking for talented humans who are passionate about security, and ready to build the future alongside us.

Now we are looking for a Backend Blockchain Developer.

Responsibilities:

• Working with development teams and product managers to ideate and develop software solutions
• Designing server-side architecture
• Writing effective APIs
• Database architecture development
• Creating security and data protection settings
• Testing software to ensure responsiveness and efficiency
• Troubleshooting, debugging and upgrading applications
• Writing technical documentation
• Working effectively with a high degree of autonomy, within a collaboratively minded team

Qualifications

• Solid knowledge of computer science fundamentals: algorithms, data structures, databases, distributed systems, networking
• Strong knowledge of Typescript and Node.js
• Understanding of API design (REST, RPC)
• Experience in working with Blockchain-based applications
• Experience in deploying enterprise-grade dApps on a major platform
• Good understanding of git and continuous integration tools
• Ability to learn and adapt to a rapidly evolving tech stack
• Strong communication and collaboration skills
• Good written English

Preferred

• Experience working with GraphQL
• Strong understanding of Layer 2 and ETH 2.0, zero-knowledge proofs, meta-transactions and other Ethereum concepts
• Experience working in the DeFi ecosystem
• Indexing mechanisms in databases (PostgreSQL, ClickHouse)
• Experience working with Docker
• Experience with Linux shell (sh, bash, zsh, etc)

Benefits:

• Fast-growing company and unique business challenges
• International working environment in a team of people who are passionate about big goals
• Great career opportunities in a developing company
• Opportunity to develop both personally and professionally
• Progressive salary and bonuses
• Remote work and flexible hours
• Annual corporate retreat