Blockchain Software Engineer

About the job

Versana is looking for a highly motivated Software Engineer to contribute to our Application Development team's technical implementation of Versana's real-time syndicated loan platform, including its blockchain and digital-asset infrastructure. The platform delivers a streamlined interface that provides clients with secure, real-time access to loan data, analytics, and positions.

As a Software Engineer, you'll work closely with engineers, product and project managers, and UX designers to own and deliver features end to end. You must have a strong technical foundation in full-stack engineering, including hands-on experience integrating blockchain and Web3 technologies into enterprise systems, along with a passion for scalable and secure design.

You will play a hands-on role in one of Versana's product verticals, owning the design and delivery of performant, secure, and intuitive applications, including blockchain-integrated capabilities, that set a new standard for the syndicated loan market.

Key Responsibilities

Technical Delivery

• Own the technical delivery of features and projects from design through deployment, ensuring quality, performance, and scalability

• Contribute to architectural discussions and code reviews

• Adhere to coding standards, architectural principles, and security best practices

• Collaborate with Product and UX teams to translate client needs into high-impact solutions

• Build test automation across the full stack of our software and follow engineering best practices

• Optimize application performance and reliability in a cloud environment

• Implement blockchain integrations, node connectivity, transaction submission, event monitoring, wallet/custody interactions, and signing/approval workflows, using enterprise-grade backend and Web3 libraries

• Write, test, and deploy smart contracts (Solidity or equivalent) following established security practices, handle full transaction lifecycle, submission, confirmation, idempotency, and failure/reversal handling, with audit-friendly logging

Collaboration & Communication

• Partner with Product Managers and Technical Project Managers to understand scope, timelines, and priorities.

• Communicate project status, risks, and dependencies to stakeholders clearly and proactively.

Must Have

• 5+ years of backend software development experience, with expertise in one or more languages (e.g., Java/Spring Boot, Node.js, Python, Go)

• Hands-on experience building on blockchain/DLT platforms (e.g., Ethereum, Solana, Hyperledger Besu, or Canton/Daml), including transaction lifecycle (gas, nonce, confirmations, finality) and event processing

• Strong understanding of application architecture, design patterns, and performance optimization

• Proficiency with REST APIs, and database technologies (SQL and NoSQL)

• Hands-on experience with Git, Maven/Gradle, and CI/CD pipelines

• Excellent communication, analytical, and problem-solving skills

• Curiosity and willingness to learn and grow within a collaborative team environment

Nice to Have

• Experience with frontend frameworks (React/Angular) using TypeScript/JavaScript

• Knowledge of Docker, Kubernetes, and cloud computing platforms

• Understanding of wallet/custody infrastructure, key-management patterns, and building audit-friendly, idempotent transaction flows in regulated or security-sensitive environment

• Experience with end-to-end testing frameworks (Playwright, Selenium, Cucumber, etc.)

• Exposure to advanced UI frameworks, charting libraries, or design systems (AG Grid, D3, etc.)

• Familiarity with accessibility and responsive design principles

• Experience in financial services, particularly syndicated loans or leveraged finance

• Familiarity with compliance/security frameworks (SOC2, NIST, ISO 27001) or experience coordinating third-party security audits / custody-provider integrations (e.g., Fireblocks, Turnkey)

• Experience with event-streaming platforms (Kafka or equivalent) for transaction/ledger event publishing

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