https://jobs.co.uk/job/smart-contract-developer-arm--c48fda58-2faa-4c76-8528-9a9d53604240 RSS feed for Smart Contract Developer at ARM. en-gb Sun, 16 Aug 2026 04:24:31 GMT https://jobs.co.uk/job/smart-contract-developer-arm--c48fda58-2faa-4c76-8528-9a9d53604240 https://jobs.co.uk/job/smart-contract-developer-arm--c48fda58-2faa-4c76-8528-9a9d53604240 Sat, 15 Aug 2026 11:52:16 GMT Location: London | Salary: 10000-500000 Annual | Type: Contract | Role OverviewWe are seeking an experienced Smart Contract Developer to support a major Core Banking transformation using Thought Machine Vault Core. The role focuses on designing, developing and maintaining Lending and Savings products using Vault Smart Contracts. You will translate complex business requirements into robust, testable product logic and work closely with Product Managers, Business Analysts, Architects, QA and engineering teams. Key ResponsibilitiesDevelop and maintain Vault Smart Contracts for Lending and Savings products.Translate business requirements into scalable, maintainable product logic.Implement interest, accruals, repayments, fees, payment allocation, balances and lifecycle events.Support product migration from legacy systems to Vault.Collaborate with Product, Business Analysis, Architecture and Engineering teams.Develop automated tests covering business rules, edge cases and regression scenarios.Participate in code reviews and technical design discussions.Investigate defects and support functional, integration, migration and production testing.Validate and reconcile financial calculations between legacy systems and Vault.Support releases and produce techni... Contract