Senior Smart Contract Developer to design, build, test, and maintain smart contract logic that implements core business rules and financial behaviors

S.i. Systems

📍 Toronto, Ontario, Canada 💼 Contract 🕒 Posted March 23, 2026

Apply Now Similar Jobs

Job Description

Contract: 6 months
Hybrid
Must Haves:
Hands-on experience writing and maintaining smart contracts
Strong programming skills in:
Python (for Vault smart contracts), and/or
Solidity or other blockchain contract languages
Experience implementing complex business logic in code
Strong understanding of:
Financial rules and calculations (interest, fees, penalties, limits)
Event-driven programming concepts
Experience with testing, debugging, and optimizing production-grade code
Ability to work closely with technical and non-technical stakeholders
Nice to Have
Experience with Thought Machine Vault smart contracts
Background in financial services, fintech, or payments
Familiarity with secure coding practices for smart contracts
Exposure to CI/CD pipelines and automated testing frameworks
Smart Contract Developer
Role O...
            

Ready to Apply?

Submit your application today and join our talented team at S.i. Systems.

Submit Application

Job Details

Location Toronto, Ontario
Job Type Contract
Category Computer Occupations
Posted Date March 23, 2026
Application Deadline May 02, 2026