Sr Blockchain Developer | Chicago, Illinois, United States Job Summary: Senior Blockchain Developer Location: Chicago, IL (Remote Eligible) | Job Type: Contract About the Role Join a pioneering Digital Asset Innovation team as a Senior Blockchain Developer, driving the digital transformation of asset servicing functions at Northern Trust. Leverage your expertise in Java and blockchain technologies to architect, build, and secure next-generation decentralized solutions. Engage with a forward-thinking team utilizing emerging technologies such as cloud, distributed ledgers, and machine learning to position our organization at the forefront of the digital asset space. Responsibilities - Architect, implement, and maintain secure, scalable blockchain networks and decentralized applications - Design and deploy smart contracts and protocol-level access controls on leading Blockchain/DLT platforms - Integrate off-chain data with on-chain processes through Oracle development - Build robust integration libraries to connect blockchain solutions with internal servers and APIs - Lead code reviews, provide mentorship, and contribute to best practices across the engineering team - Document blockchain development processes and ensure compliance with data protection regulations - Stay updated on the latest trends in cryptography, cybersecurity, and blockchain advancements - Manage multiple projects simultaneously, delivering high-impact solutions on time and within scope Required Skills and Experience - Proven experience developing with Java Spring Boot in production environments - Demonstrated hands-on blockchain development, including smart contract creation and deployment - Proficiency in coding languages such as Solidity, NodeJs, Python, GoLang, or Rust - Deep understanding of cryptography, data structures, algorithms, and cybersecurity protocols - Track record of building resilient, scalable systems for enterprise environments - Bachelor's degree in Information Technology, Computer Science, or related field - Strong communication skills and attention to detail - Experience across the software development lifecycle Preferred Skills - Experience deploying applications via CI/CD pipelines to cloud platforms (Azure or AWS) - Familiarity with digital payments compliance and regulatory frameworks - Knowledge of the latest crypto technologies for data protection Benefits - Opportunity to lead digital transformation projects at a top financial institution - Collaborative, innovative work culture with cutting-edge technology adoption - Professional growth through mentorship and exposure to advanced blockchain ecosystems - Flexible remote work options How to Apply If you are ready to drive innovation in digital asset management and possess a passion for blockchain technology, submit your resume today. Take the next step in your blockchain career and make a tangible impact on the future of finance.