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Sr. Blockchain Developer

Apolis
Chicago, IL Contractor
POSTED ON 6/7/2026
AVAILABLE BEFORE 7/5/2026

Immediately looking for a Senior Blockchain Developer
Local to Chicago, IL - it''s an onsite role - also accepting candidates willing to relocate for this project immediately.

We are seeking an experienced Senior Blockchain Developer to join a cutting-edge Digital Asset Innovation team. This role is ideal for a hands-on developer with strong Java/Spring Boot expertise and proven experience building solutions using Blockchain/Distributed Ledger Technologies (DLT).

Key Requirements:

  • Strong experience with Java and Spring Boot (required)
  • Hands-on Blockchain development experience (Ethereum, Hyperledger, Corda, Solidity, Smart Contracts, etc.)
  • Experience designing and developing secure, scalable, and high-performance applications
  • Strong understanding of cryptography, cybersecurity, and distributed systems
  • Experience with REST APIs, microservices, and CI/CD pipelines
  • Knowledge of cloud platforms such as AWS or Azure is a plus
  • Bachelor''s degree in Computer Science, Information Technology, or a related field

Responsibilities:

  • Design, develop, and deploy blockchain-based applications and smart contracts
  • Build secure and scalable distributed systems
  • Integrate blockchain solutions with enterprise applications and APIs
  • Collaborate with cross-functional teams to deliver innovative digital asset solutions
  • Mentor team members and contribute to best practices and technical standards

If you have a passion for emerging technologies and a strong background in Java and Blockchain development, we''d love to hear from you.

Salary : $80 - $85

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