Job Description

Company Description:
Worthland Consulting Inc. is a premier recruitment agency specializing in connecting top-tier talent with leading Web3, blockchain, and cryptocurrency companies. We are committed to helping professionals find innovative and impactful opportunities in the decentralized space.
Role Overview:
We are seeking a Backend Developer (Web3) with extensive experience in building high-performance, scalable, and decentralized applications . The ideal candidate will have strong expertise in Golang and Python , a deep understanding of Web3 technologies , and a proven track record of optimizing backend systems. This role requires proficiency in designing robust system architectures, optimizing smart contract interactions, and deploying scalable infrastructure using AWS cloud services .
As a key member of the team, you will work on Web3 backend services, blockchain integrations, and DeFi applications , contributing to the development of next-generation decentralized financial products. The ideal candidate will also possess Mandarin language proficiency , as this role involves close collaboration with teams and stakeholders in Mandarin-speaking regions.
Key Responsibilities:
Backend Architecture & Development
Design and implement high-availability, high-performance, and scalable Web3 backend services .
Optimize Golang and Python code for performance, maintainability, and security.
Develop and maintain backend microservices for processing on-chain transactions and managing blockchain data interactions.
Ensure system reliability by integrating load balancing, database sharding, and caching solutions (Redis, Memcached).
Blockchain & Smart Contract Integration
Build and optimize services that interact with EVM-compatible chains (Ethereum, Polygon, BSC) and non-EVM chains (Solana, Aptos).
Work closely with smart contract engineers to develop robust and secure DeFi and NFT applications.
Conduct security audits to prevent common attack vectors such as reentrancy, flash loans, and MEV exploits .
Infrastructure & Cloud Deployment
Deploy scalable and fault-tolerant applications using AWS services (ECS, Lambda, Fargate).
Set up CI/CD pipelines for automated testing, deployment, and monitoring (AWS CodePipeline, GitHub Actions, Kubernetes).
Optimize cloud storage and database solutions (DynamoDB, PostgreSQL, S3) to ensure high availability and performance.
Security & System Optimization
Implement DDoS protection , access control policies, and key management solutions (AWS KMS).
Ensure compliance with best security practices for blockchain applications.
Collaboration & Documentation
Work with global teams to develop and implement best practices in Web3 backend development.
Create clear and well-structured API documentation and technical specifications.
Participate in code reviews and knowledge-sharing sessions .
Required Skills & Qualifications:
5+ years of experience in backend development , including designing and maintaining large-scale applications.
Strong proficiency in Golang and Python , with a deep understanding of code optimization and system architecture.
Hands-on experience in Web3 development xe2x80x94must be familiar with blockchain protocols, smart contracts, and DeFi ecosystems .
Experience working with EVM-compatible chains (Ethereum, Polygon, BSC) and non-EVM chains (Solana, Aptos) .
Expertise in distributed systems, microservices, and event-driven architecture .
Strong knowledge of AWS cloud services, containerization (Docker, Kubernetes), and CI/CD pipelines .
Experience with database management and optimization (PostgreSQL, MySQL, DynamoDB, Redis).
Excellent communication skills in English , with the ability to collaborate with cross-functional teams.
Fluency in Mandarin is required for effective communication with internal teams and stakeholders.
Nice to Have:
Contributions to open-source Web3 projects (GitHub, DAO involvement).
Experience with Layer 2 scaling solutions (ZK-Rollups, Optimistic Rollups, cross-chain bridges).
Background in MEV (Maximal Extractable Value) and smart contract security auditing .
Deep knowledge of DeFi, NFT, and DAO ecosystems with experience designing tokenomics models .
Experience handling high-throughput blockchain transaction matching and on-chain data analysis .
Compensation & Benefits:
Competitive salary + token rewards + equity incentives .
Remote-first work environment with flexible hours .
Opportunity to work on cutting-edge Web3 projects with top developers in the industry.
Support for professional growth, open-source contributions, and technical innovation .