Senior Blockchain Developer - Chicago, IL

Job Title: Senior Blockchain Developer

Location: Chicago, IL

Duration:13 Months

No C2C Only W2

Job Summary:

Northern Trust is seeking a highly experienced Senior Blockchain Developer to design, develop, and deploy secure, scalable, and resilient blockchain-based solutions. This role will focus on developing decentralized applications (dApps), smart contracts, blockchain integrations, and secure distributed ledger technologies while ensuring enterprise-grade performance, fault tolerance, and security.

The ideal candidate will have extensive experience in blockchain development, strong expertise in Java Spring Boot, deep knowledge of cryptography, and the ability to develop across multiple programming languages including Solidity, Java, Node.js, Python, Golang, and Rust. The candidate must also possess a strong understanding of the Software Development Lifecycle (SDLC), cybersecurity principles, data structures, and algorithms.

Key Responsibilities:

Architect, develop, and deploy decentralized applications (dApps) with permissioned access to enterprise data.

Design, implement, and administer secure, scalable, and reliable blockchain networks.

Develop and interact with smart contracts across leading Blockchain and Distributed Ledger Technology (DLT) platforms.

Design and implement blockchain protocols and application features.

Develop Oracle solutions to connect off-chain data sources with blockchain networks.

Build integration libraries and APIs to interface with enterprise applications and backend services.

Develop secure, fault-tolerant, and highly scalable blockchain systems.

Collaborate with engineering teams to gather requirements, estimate effort, and deliver high-quality solutions.

Participate in architecture reviews and technical design discussions.

Mentor and guide development teams on blockchain best practices and emerging technologies.

Prepare and maintain technical documentation related to blockchain development processes.

Ensure compliance with digital payment security and data protection regulations.

Deploy and manage applications using CI/CD pipelines and cloud platforms.

Stay current with emerging blockchain technologies, cryptographic techniques, and cybersecurity trends.

Required Skills:

10+ years of Blockchain Development experience

10+ years of Java Spring Boot experience

Strong understanding of the complete Software Development Lifecycle (SDLC)

Expertise in blockchain architecture and decentralized application development

Extensive experience with:

Solidity

Java

Node.js

Python

GoLang

Rust

Deep understanding of:

Cryptography

Data Encryption

Digital Signatures

Hashing Algorithms

Secure Key Management

Strong experience building:

Highly Available Systems

Fault-Tolerant Systems

Scalable Distributed Applications

Advanced knowledge of:

Data Structures

Algorithms

Strong understanding of:

Cybersecurity Frameworks

Security Protocols

Blockchain Security

Digital Payment Security Standards

Experience with:

Smart Contract Development

Oracle Development

API Integration

Distributed Ledger Technologies (DLT)

CI/CD Pipelines

Excellent problem-solving and software engineering skills

Preferred Qualifications:

Bachelor's Degree in Information Technology, Computer Science, or related field

Experience with cloud platforms:

AWS

Microsoft Azure

Experience deploying blockchain applications in cloud environments

Exposure to enterprise financial services platforms

Experience with modern DevOps practices and cloud-native architectures

Knowledge of advanced blockchain frameworks and emerging Web3 technologies

Soft Skills:

Excellent communication and interpersonal skills

Strong analytical and problem-solving abilities

Ability to work independently and within collaborative teams

Leadership and mentoring capabilities

Strong attention to detail

Ability to manage multiple projects simultaneously

Strong organizational and documentation skills

Adaptability to rapidly evolving technologies

Ability to work in fast-paced enterprise environments

Best Regards:

Ashley Quinn

Phone: +1-

Email: