Location: Chicago, IL
Salary: $70.00 USD Hourly - $90.00 USD Hourly
Description: Our client is currently seeking a Blockchain Developer(Java Springboot)
Key Responsibilities - Architect, develop, and deploy decentralized applications (dApps) with permissioned access at both smart contract and protocol levels
- Design, build, and interact with smart contracts across major blockchain/DLT platforms
- Develop blockchain oracles to integrate off-chain data with on-chain systems
- Build and maintain integration libraries to connect blockchain systems with backend servers and APIs
- Collaborate with cross-functional teams to gather requirements, define architecture, and estimate delivery timelines
- Ensure system robustness, including scalability, resiliency, and fault tolerance
- Provide technical mentorship and promote best practices within the engineering team
- Develop and maintain comprehensive documentation for blockchain processes and workflows
- Ensure compliance with data protection regulations, particularly in digital payments
- Stay updated with the latest advancements in blockchain, cryptography, and cybersecurity
Required Qualifications - Bachelor's degree in Computer Science, Information Technology, or a related field
- Proven experience as a Blockchain Developer or in a similar role
- Strong hands-on experience with Java Spring Boot (mandatory)
- Solid understanding of the software development lifecycle (SDLC)
- Proficiency in one or more programming languages such as Solidity, Java, Node.js, Python, Go, or Rust
- Strong knowledge of data structures and algorithms
- Experience with cryptographic techniques and secure system design
- Understanding of cybersecurity principles, standards, and common attack vectors
- Ability to design scalable, high-performance systems
- Strong problem-solving skills and ability to work independently or within a team
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