03 BLOCKCHAIN ENGINEER

• Design, build and develop a dedicated Sidechain for COGI ecosyst
• Build and maintain blockchain applications for Sidechain: Browser Wallet, Mobile Wallet, Bridges, Swap,...
• Write and audit smart contracts for new cool features
• Maintain a high-quality robust codebase, improve backend system performance
• Work on backend systems with high requirements about availability, scalability, security, maintenance
• Write high-quality, well-tested, clean, simple, and maintainable code; writing documents

For Senior Level:

• Take lead on technical best practices
• Vision to architect large-scale systems
• Coach junior members to help them gain their maximum potential
• Build a good team culture of humility, commitment and humor

• Blockchain Development Skill: Experience with Solidity, Web3, Ether.js,...
• Backend Development Skill: Experience with Backend system written in NodeJS, Golang or C++
• Expertise in database framework by using any kind of ORM
• Proven experience in operating/structuring Database (SQL and noSQL), Storage, Analysis System, Load Balancing,...
• Creative thinking and passion with backend and system development
• Working with SCRUM/Agile model
• DevOps skill is a Plus
• English skill is a Plus

For Senior Level:

• At least 2 years of relevant working experience with understanding many blockchain ecosystems in detail
• Proven experience in Algorithm, Data Structure and Optimization
• Proven experience in operating/structuring Big Data, Storage and Analysis Systems
• Proven experience in Message Queue Framework like MQTT, RapidMQ, Kafka, Pulsar,...
• Good DevOps and Network Security skills
• Self-motivated, logical thinking, and a strong passion to build high-quality products
• Good leadership and effective communication
• Good English skill