Senior Backend Engineer

Hydra X is building institutional-grade infrastructure across custody, exchange, tokenisation and digital asset networks.

We are looking for a Senior Backend / Blockchain Engineer with strong Web2 engineering fundamentals and practical experience, or strong interest, in blockchain and distributed ledger technologies.

A key priority workstream may involve the Canton Network, including applications for institutional asset issuance, settlement and transaction workflows. However, this is not a Canton-only role. The engineer should also be able to contribute to Hydra X’s broader products across custody, exchange, tokenisation and digital asset infrastructure.

Experience with Canton or DAML is a strong plus, but not mandatory. We are looking for someone with strong backend capability, blockchain familiarity and the ability to learn new technologies quickly.

What You’ll Do

• Build production-grade backend services and applications for digital asset infrastructure.
• Design APIs, integration layers and services connecting Hydra X products with blockchain networks, distributed ledgers and enterprise systems.
• Support Canton-related workstreams where relevant, including technical exploration, integration design and implementation.
• Work with ledger concepts such as validator interaction, party-to-party workflows, asset issuance, transfers and settlement flows.
• Work with wallets, private keys, signing flows, identity and infrastructure-level authentication where relevant.
• Write unit, integration and end-to-end tests to ensure application logic is reliable and production-ready.
• Collaborate with DevOps on deployment, monitoring, observability and production hardening.
• Work with Product & Technology, Sales Engineering and Client Solutions to translate business and client requirements into technical solutions.

Technical Requirements

Web2 / Backend

• Backend skills — You are comfortable in one or more backend languages such as Python, Go, Java, Kotlin, Scala, TypeScript or Node.js.
• API know-how — You can design and consume REST APIs, and understand authentication, pagination, retries, timeouts, idempotency and error handling.
• Database experience — You are comfortable with relational databases such as PostgreSQL, including schema design, migrations and query performance.
• System design — You understand how to design reliable backend services, integration layers and distributed systems.
• Testing mindset — You write unit, integration and end-to-end tests.
• Tooling — You are comfortable with Git, CI/CD pipelines and modern software development workflows.

Blockchain / Digital Assets

• Blockchain fundamentals — You understand addresses, transactions, smart contracts, consensus, immutability and blockchain network concepts.
• Smart contract or ledger experience — You have worked with, or are willing to learn, technologies such as Solidity, Rust, Hyperledger Fabric, Corda, DAML or similar.
• Wallets and keys — You understand private keys, wallets, signing flows and the security implications of handling digital assets.
• Node and network interaction — You have worked with blockchain nodes, validators or network APIs, or are comfortable learning how they operate.
• Digital asset workflows — You are interested in tokenisation, custody, settlement and institutional digital asset infrastructure.

Canton / DAML

• Canton and DAML — Prior experience is not required, but you should be excited to learn and work with Canton and DAML if relevant projects proceed.
• Institutional DLT workflows — Experience with permissioned networks, privacy-preserving ledgers or regulated financial infrastructure would be highly valuable.

Nice to Have

• Experience in capital markets, custody, exchanges, tokenisation or institutional digital assets.
• Experience working with regulated financial institutions or enterprise clients.
• Experience with Docker, Kubernetes, Helm, cloud environments, Prometheus or Grafana.
• Frontend experience with React, Vue or Angular.

Why Join Us?

• Build real institutional digital asset infrastructure used by regulated financial institutions.
• Work across custody, exchange, tokenisation and emerging digital asset networks.
• Help Hydra X build Canton capability while contributing to broader production systems.
• Join a team where engineering decisions need to balance innovation, security, regulatory expectations and production readiness.