Senior Blockchain Developer

Description

Project Overview: The Blockchain Developer will represent the Digital Asset Innovation development team and play a key role supporting the digital transformation of assets and asset servicing functions leveraging emerging technologies such as cloud technologies, distributed ledgers, machine learning, cognitive algorithms etc., to position Northern Trust to be a key participant in the digital future. Contractor will assist with several ongoing projects. May be working on multiple projects at once. . Contractor's Role: 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. To succeed in this job role, you should possess excellent communication skills. You should also have keen eye for details. You should be able to manage multiple projects simultaneously. Experience Level: Level 3, greater than 7 years Qualifications: Bachelor's degree in Information Technology, Computer Science or a related field Experience working as a Blockchain Developer or a similar role in the IT department. Experience with Hyperledger 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 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. Experience working with Cloud platforms such as MS Azure, AWS preferred Nice to Haves: N/A Tasks and 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

Skills

Cloud, CICD, DevOps, API, Spring, Springboot, Microservices, Blockchain, Node.js, Python, Rust, Hyperledger, Smart Contracts, Distributed ledger, Hyperledger Sawtooth, Hyperledger Fabric, Hyperledger DLT, Azure, ADO

Top Skills Details

Cloud,CICD,DevOps,API,Spring,Springboot,Microservices,Blockchain,Node.js,Python,Rust,Hyperledger,Smart Contracts,Distributed ledger,Hyperledger Sawtooth,Hyperledger Fabric,Hyperledger DLT

Additional Skills & Qualifications

They ideally should have Azure (since they are an Azure environment) but not opposed to AWS. Previous (and ideally recent) Financial Services / Banking experience is highly desired. They need to have Strong communication, ability to work with off shore developers, and the ability to work independently. They should have the ability to go off and complete a task with quality.

Experience Level

Expert Level

Job Type & Location
This is a Contract position based out of Chicago, IL.
Pay and Benefits
The pay range for this position is $70.00 - $80.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a hybrid position in Chicago,IL.
Application Deadline
This position is anticipated to close on May 20, 2026.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.