Q1 Technologies, Inc. is hiring a

Web3 DLT Developer

Job Description

DLT Developer – Canton / Daml / Digital Assets

Must Have Technical/Functional Skills

DLT Developer – Canton / Daml / Digital Assets , Agile concepts, CI/CD

10+ years’ experience

Roles & Responsibilities

• Strong understanding of blockchain/DLT fundamentals, smart contracts, ledger state, consensus, and node/participant concepts.

• Hands-on experience with at least one DLT platform:

• Preferred: Canton / Daml / Solana

• Alternate: Ethereum / Solidity

• Experience designing smart-contract or ledger-state models.

• Experience with Java, REST APIs, JSON, event-driven integration, and enterprise backend systems.

• Understanding of transaction lifecycle, idempotency, state machines, exception handling, and audit trails.

• Familiarity with Kafka or equivalent event-streaming technology.

• Experience with Git, CI/CD, Docker, Kubernetes/OpenShift, and automated testing.

• Ability to work in a banking-grade environment with security, audit, and compliance expectations.

• Canton participant node setup and Daml smart-contract development.

• Daml templates, choices, signatories, observers, parties, contract lifecycle, and Ledger API.

• Knowledge of commercial banking, payments, deposit accounts, DDA, book transfers, or liquidity systems.

• Experience with ISO 20022, payment orchestration, account validation, or ledger reconciliation.

• Knowledge of OAuth2/OIDC, certificate handling, KMS/HSM, and role-based entitlements.

• Exposure to Splunk, Dynatrace, OpenTelemetry, or similar observability tools.

• Design and develop DLT smart contracts

• Build DLT ledger-state models

• Implement smart-contract controls

• Integrate DLT contracts with backend services through Canton Ledger API / JSON API or equivalent integration layer.

• Support DLT participant node setup, local sandbox setup, ledger package deployment, and contract lifecycle testing.

• Work with Java/Spring Boot developers to connect API with DLT Integration Service.

• Publish and consume transfer lifecycle events through Kafka or equivalent event-streaming layer.

• Build audit-friendly ledger flows that capture transfer intent, validation, reservation, posting, completion, failure, and reversal states.

• Collaborate with architects, payment SMEs, security, infrastructure, and QA teams.

• Prepare technical documentation, sequence diagrams, contract models, and runbooks.

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