Senior Blockchain Developer

Senior Blockchain Developer

Location: Chicago, IL (Hybrid - onsite 3 days per week; anchor day Monday + 2 flex)

Employment Type: Contract 11+ Months

Hours: 8:00 AM - 5:00 PM CST

Role Overview

Northern Trust is seeking a Senior Blockchain Developer to join its Digital Asset Innovation team. This role will be pivotal in advancing the digital transformation of assets and asset servicing functions, leveraging emerging technologies such as cloud computing, distributed ledgers, machine learning, and cognitive algorithms.

The developer will design, implement, and administer secure, scalable blockchain solutions that position Northern Trust as a leader in the digital future.

Key Responsibilities

• Architect, develop, and deploy decentralized applications with permissioned access at both smart contract and protocol levels.
• Design and implement secure blockchain networks, ensuring resiliency, scalability, and fault tolerance.
• Develop and interact with smart contracts across leading Blockchain/DLT platforms.
• Connect off‑chain data to blockchain systems through Oracle development.
• Build integration libraries to interface with servers and APIs.
• Collaborate with engineering teams to review requirements, plan implementations, and estimate delivery timelines.
• Mentor peers on blockchain best practices and emerging technologies.
• Prepare documentation for blockchain development processes and ensure compliance with digital payment data protection standards.
• Stay current with evolving crypto technologies and cybersecurity protocols.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field.
• Proven experience as a Blockchain Developer with strong knowledge of blockchain frameworks and cryptography.
• Expertise in Java Spring Boot (mandatory).
• Strong coding ability in multiple languages: Solidity, Java, Node.js, Python, GoLang, Rust.
• Deep understanding of data structures, algorithms, and cybersecurity guidelines.
• Experience with CI/CD pipelines and cloud deployments.
• Strong communication skills with the ability to engage both technical teams and executives.
• Ability to manage multiple projects simultaneously and operate independently.

Preferred Skills (Nice‑to‑Have)

• Experience in financial services (cash, liquidity, forecasting, payments).
• Familiarity with cloud platforms such as Microsoft Azure or AWS.
• Exposure to emerging AI tools and technologies.

Interview Process

• Two rounds:
• Technical Interview
• Hiring Manager Interview