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

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 Overview

We are looking for a Smart Contract Developer to design, build, test, and maintain smart contract logic that implements core business rules and financial behaviors. This role is highly hands-on and execution-focused, responsible for translating product and business requirements into reliable, well-tested smart contract code.

Depending on the platform, this may involve developing Vault smart contracts (Python-based) within Thought Machine or blockchain-based smart contracts using languages such as Solidity.

Key Responsibilities

• Develop and maintain smart contracts that implement business logic and financial rules
• Translate product requirements into executable contract logic, including:
• Interest calculation
• Fees and charges
• Limits, thresholds, and penalties
• Event-driven contract behavior
• Write smart contracts using:
• Vault smart contracts (Python) for core banking platforms
• Blockchain smart contracts (e.g., Solidity) where applicable
• Test, debug, and optimize smart contract code to ensure accuracy, performance, and reliability
• Collaborate closely with architects, product owners, and domain experts to ensure correct implementation of business rules
• Participate in code reviews and contribute to best practices for smart contract development
• Support deployment, versioning, and maintenance of smart contracts in production environments