Backend Blockchain Developer

HashEx vision is to become the #1 DeFi Intelligence and Security Provider.

We believe that only relevant, factual data and top security standards can make the DeFi market a safe financial space. If you are passionate about our common goal, we are always looking for talented individuals with knowledge, experience, and a desire to learn.

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