Blockchain Engineer at Nubit

Job Description

Key Responsibilities

• Develop and maintain backend services that integrate with various blockchain nodes and protocols.
• Build reliable APIs and SDKs to support core products (wallets, swaps, yield services, and fiat on/off ramps).
• Ensure system performance, scalability, and stability in high-load production environments.
• Conduct code reviews and enforce development quality standards.
• [Blockchain Focus] Design and optimize components for parsing, indexing, and validating blockchain data (transactions, events, blocks).
• [Senior Candidates] Drive architectural improvements and evaluate emerging blockchain technologies.
• [Senior Candidates] Mentor team members, establish coding standards, and contribute to technical roadmap planning.

Job Requirements

• Proficiency in Go (primary) and experience with Rust, Java, or other backend languages.
• Solid understanding of blockchain fundamentals (consensus mechanisms, nodes, cryptography, event logs).
• Experience integrating with blockchain RPCs, WebSocket APIs, and related infrastructure.
• Familiarity with distributed systems, microservices, and asynchronous message queues.
• Excellent teamwork and communication skills.
• [Senior Candidates] 3+ years of backend or blockchain development experience.

Preferred Qualifications

• Experience developing blockchain explorers, indexing services, or data integration pipelines.
• Familiarity with Ethereum, Solana, Tron, or similar ecosystems.
• Knowledge of databases (Postgres, RocksDB, Timescale) and performance tuning.
• Proficiency with GitHub workflows (including Actions, PR reviews, and security best practices).
• Strong English proficiency (written and spoken).
• Regular use of AI-assisted development tools to enhance productivity.

Benefits

• Opportunity to work on globally leading Web3 projects with a technology-driven, flat management structure.
• Highly competitive salary + additional performance-based incentives.
• Abundant technical growth opportunities: participation in top-tier industry conferences and collaboration with elite development teams.
• Flexible work arrangements + remote work support + additional benefits.