Senior Backend Developer (DeFi Infra/ Blockchain)

Responsibilities

• Development of integration services for interaction with public blockchain nodes
• Design and implementation of technical solutions based on the target stack: Golang, Solidity, PostgreSQL; Kubernetes (DropApp), Git, Jenkins, Nexus
• Ensure compliance with non-functional requirements (performance, fault tolerance, auditing, monitoring, security)
• Code review, design review, documentation, implementation of best practices (code review, CI/CD pipelines, test coverage)
• Support the preparation and maintenance of solutions from MVP to full product

Requirements

• 6+ years of experience in Golang development + 3+ years with Solidity or another language for smart contract creation
• Experience in developing applications for blockchain interaction and smart contracts
• Experience with at least one of the networks: Ethereum, Bitcoin, TRON
• Experience implementing solutions within a microservices architecture
• Experience designing and implementing integrations (REST, gRPC, queues)
• Experience with OpenShift/Kubernetes, containerization – Docker
• Experience with CI/CD pipelines, Jenkins, Nexus
• Practical experience with SQL, query creation, profiling, and optimization
• Experience writing unit tests

Nice to have:

• Experience with hardhat, anvil
• Knowledge of languages, compilers, and development tools for EVM
• Knowledge in cryptography (threshold signatures, zero-knowledge protocols) and/or experience with HSM