Blockchain Engineer (Mid Level) – Capital Markets *Experience:4–7 years total experience, including 2–4 years in blockchain / distributed ledger developmentDomain: Capital Markets / Financial ServicesRole OverviewWe are seeking a Blockchain Engineer to design, build, and maintain distributed applications across permissioned and public blockchains within capital markets environments.This is a hands-on, delivery-focused role, ideal for engineers who enjoy implementing smart contracts, backend services, and blockchain integrations while adhering to regulatory, security, privacy, and scalability best practices common to market infrastructures.Key Responsibilities**Blockchain & Smart Contract Development - Design, develop, test, and deploy smart contracts on distributed ledger platforms (permissioned and/or public) for capital markets use cases.- Implement multi-party workflows supporting post-trade processes such as settlement, asset servicing, reconciliation, or tokenised assets.- Design token models and on-chain / off-chain data interactions aligned to capital markets processing and controls.- Apply secure smart contract design principles, including access control, upgradeability, data privacy, and auditability.- Write unit, integration, and functional tests for smart contracts, incorporating business-critical scenarios (e.g. cut-offs, volume, failure handling). Platform & Integration- Integrate blockchain solutions with capital markets systems (e.g. settlement platforms, custody systems, reference data, reporting) using REST, gRPC, or JSON-RPC APIs.- Implement backend services supporting blockchain workflows using Java, Scala, Kotlin, JavaScript, Python, or similar languages.- Support Web3 or enterprise DLT integrations using relevant SDKs or client libraries.- Assist with node configuration, environment setup, and deployment across development, test,



and production environments.Engineering Practices- Participate in code reviews and follow secure development, SDLC, and DevOps best practices expected in regulated financial environments.- Debug and resolve issues across environments, including integration and data consistency issues.- Contribute to CI/CD pipelines, version control, and automated testing.- Collaborate closely with architects, technical leads, business analysts, and product teamsRequired Skills & Qualifications* Technical- Hands-on experience building solutions on at least one blockchain or DLT platform.- Solid understanding of distributed ledger fundamentals, consensus mechanisms, and transaction lifecycles.- Experience with smart contract development (EVM-based, UTXO-based, or state-machine-based paradigms).- Backend development experience (Java / Scala / Kotlin / JavaScript / Python).- Experience integrating systems using APIs and microservices.- Solid understanding of on-chain vs off-chain data design and event-driven workflows.- Experience with CI/CD, version control (Git), and testing frameworks.- Exposure to cloud platforms (AWS, Azure, or GCP). Capital Markets- Experience working in Capital Markets or Financial Services, such as securities settlement, custody, clearing, asset servicing, payments, or post-trade processing.- Familiarity with STP processing, high-volume transaction flows, and operational controls.- Awareness of regulatory, audit, and data-retention requirements typical of market infrastructures.Nice to Have- Experience with enterprise blockchains or public networks (e.g. Ethereum, L2s, permissioned DLTs).- Familiarity with Canton Network, DAML, Corda, or Hyperledger Besu.- Experience with Docker and Kubernetes.- Exposure to digital assets, tokenisation, or DLT-based post-trade platforms- Awareness of smart contract security tools and common vulnerability patterns.- Prior experience with market infrastructures, custodians, CCPs, or CSDs.

📌 Blockchain Developer (Gandhinagar)
🏢 Rainier Softech Solutions
📍 Gandhinagar