Date Posted: 06/03/2026
Hiring Organization: Rose International
Position Number: 502281
Industry: Financial Services
Job Title: Senior Blockchain Developer
Job Location: Chicago, IL, USA, 60604
Work Model: Hybrid
Work Model Details: 3 days in office, 2 remote
Shift: M-F First Shift
Employment Type: Temporary
FT/PT: Full-Time
Estimated Duration (In months): 13
Min Hourly Rate($): 114.28
Max Hourly Rate($): 118.52
Must Have Skills/Attributes: Cryptography, GoLang, Java, NodeJs, Python, SDLC, Spring Boot
Experience Desired: Java SpringBoot experience (5+ yrs); Experience working as a Blockchain Developer or a similar role in the IT department (3+ yrs); Experience leading to a complete understanding of the software development lifecycle (10+ yrs); Expertise in building robust systems (resiliency, fault tolerance, scalability) at scale (10+ yrs); Code in various languages such as Solidity, Java, NodeJs, Python, GoLang, Rust and others (3+ yrs); Experience in working with various types of cryptography to secure data (3+ yrs); Outstanding understanding of data structures and algorithms (3+ yrs)
Required Minimum Education: Bachelor’s Degree
Job Description
Education:
• Bachelor’s degree in Information Technology or Computer Science
Required Qualifications:
• Java Springboot experience is a must
• Experience working as a Blockchain Developer or a similar role in the IT department
• Experience leading to a complete understanding of the software development lifecycle
• Expertise in building robust systems (resiliency, fault tolerance, scalability) at scale
• Demonstrate excellent ability to code in various languages such as Solidity, Java, NodeJs, Python, GoLang, Rust and others
• Experience in working with various types of cryptography to secure data
• Outstanding understanding of data structures and algorithms
• Knowledge of various cybersecurity guidelines and protocols
• Strong understanding and knowledge of various kinds of cyberattacks
• Ability to work in a team or individually as and when required
• Possess excellent communication skills
• Have keen eye for details
• Manage multiple projects simultaneously
Preferred Qualifications:
• Experience working with Cloud platforms such as MS Azure, AWS preferred
Senior Blockchain Developer Summary:
• As a Blockchain Developer, you are responsible for developing application features and interfaces using blockchain technology
• You will be also responsible for designing and developing a system that is secure, reliable and scalable
• Your primary goal for this job role will be designing, implementing, and administering a secure blockchain network
• You should be highly knowledgeable about various blockchain technologies
• You should also have an excellent understanding of cryptography and its uses in the blockchain network
• You should be knowledgeable about packing & deploying apps via CI/CD pipelines to a cloud platform
Job Responsibilities:
• Architect, develop and deploy decentralized applications providing permissioned access to data at both the smart contract and protocol level
• Develop & Interacting with Smart Contracts implemented on most common Blockchain/DLT technology platforms
• Oracle development (connecting "off-chain" data to the blockchain)
• Construct integration libraries to interface with our server and APIs
• Collaborate closely with the rest of the engineering team to review application requirements, help plan implementation details and estimate delivery timelines
• Provide mentorship to your peers in the engineering team through education on best practices
• Preparing documentation on the blockchain development processes
• Adhering to all the rules and regulations of data protection for digital payments
• Staying updated with the latest crypto technologies for data protection
Benefits:
For information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website.
California Pay Equity:
For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.
Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.
If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department.
Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).
Rose is an assembly of people grounded in honesty, truth and dignity for all of its employees and contractors.
Samba, Consultant
Rose International maintained good communication during assignments and are very informative through email and phone calls.
Sade, Consultant
It was great working for Rose International. Everyone was extremely helpful.
Rosann, Consultant
Rose International has been great to me. I thank everyone there for all of their hard work; it has not gone unnoticed.
Melody, Consultant
My on-boarding with Rose was outstanding. The packets of information, the process, and great attention to detail each person gave me allowed me to get started quickly.I appreciated each person's friendly and helpful attitude.
Diana, Consultant
EMPLOYEE COMMENTS