Blockchain Developer

Dice is the leading career destination for tech experts at every stage of their careers. Our client, Purplejack Technologies LLC, is seeking the following. Apply via Dice today!

• ]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px) var(--thread-response-height))] scroll-mt-[calc(var(--header-height) min(200px,max(70px,20svh)))]" dir="auto" data-turn-id="request-WEB:f499b63b-0a97-4e0e-93b1-953721660f72-0" data-turn-id-container="request-WEB:f499b63b-0a97-4e0e-93b1-953721660f72-0" data-testid="conversation-turn-2" data-scroll-anchor="false" data-turn="assistant">
  
  

We are currently hiring for a Senior Blockchain Developer for a 9 months hybrid contract position in Chicago, IL. If you have strong experience in Blockchain Development, Smart Contracts, Cryptography, and Java Spring Boot, we''d love to connect with you.

Position Details

Role: Senior Blockchain Developer

Location: Chicago, IL (Hybrid)

Duration: 9 Months Contract

Interview: Video

Required Qualifications

• Bachelor''s Degree in Information Technology, Computer Science, or related field
• Strong hands-on experience with Java Spring Boot (Mandatory)
• Proven experience as a Blockchain Developer
• Deep understanding of the Software Development Life Cycle (SDLC)
• Expertise in building highly scalable, resilient, and fault-tolerant systems
• Strong programming experience in one or more of the following:
• Solidity
• Java
• Node.js
• Python
• GoLang
• Rust
• Strong knowledge of Cryptography and secure data handling
• Excellent understanding of Data Structures and Algorithms
• Experience with cybersecurity standards, protocols, and threat mitigation
• Strong communication and collaboration skills
• Ability to manage multiple priorities and projects simultaneously
  
  

Preferred Qualifications

• Experience with cloud platforms such as AWS and/or Microsoft Azure
• Knowledge of CI/CD pipelines and cloud-based application deployment
  
  

Key Responsibilities

• Architect, develop, and deploy decentralized applications (dApps)
• Design and implement secure, scalable blockchain networks
• Develop and interact with Smart Contracts across Blockchain/DLT platforms
• Build Oracle solutions to connect off-chain data with blockchain systems
• Develop integration libraries and APIs for blockchain-based applications
• Collaborate with engineering teams to define requirements and delivery timelines
• Mentor team members on blockchain development best practices
• Create and maintain technical documentation
• Ensure compliance with digital payment security and data protection standards
• Stay current with emerging blockchain, cryptography, and cybersecurity technologies
  
  

Ideal Candidate

The ideal candidate will have extensive experience in blockchain architecture, smart contract development, cryptography, distributed systems, and enterprise-grade application development using Java Spring Boot. This role requires a strong technical leader capable of building secure and scalable blockchain solutions in a cloud-enabled environment.