Job Description
We are looking for a hands-on Senior Backend Engineer — Node.js/TypeScript to build Our platform's application and API layer.
nYou will own backend services, business logic, APIs, third-party integrations, asynchronous workflows, and application-level security and transaction controls.
nYou will work closely with our Lead Full Stack Platform Engineers, Senior PostgreSQL Database Engineers, Frontend Developers, and product/architecture team.
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n This is not an architecture-only role. We are looking for someone who designs systems and then builds them.
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n What You'll Do
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- Design and build production backend services using Node.js and TypeScript n
- Build secure, well-defined and versioned REST APIs n
- Implement authentication, authorization and role-based access controlsn
- Build tenant-aware services and enforce multi-tenant authorization boundariesn
- Develop investor, issuer/property, onboarding, transaction, portfolio, wallet and marketplace backend workflowsn
- Integrate external KYC/KYB and identity providers n




- Integrate with Fireblocks custody/wallet infrastructuren
- Build payment, banking and other external service integrationsn
- Implement secure webhook ingestion, callback processing and external/internal ID mappingn
- Design idempotent transaction workflows and protect against duplicate processingn
- Implement retries, exponential backoff, rate-limit handling, reconciliation and failure recoveryn
- Build asynchronous workflows using queues/background jobsn
- Implement Redis-based caching and other distributed application patterns where appropriaten
- Work with the PostgreSQL Database Engineer on schema requirements, transaction boundaries and query patternsn
- Use Prisma ORM while understanding when database-specific approaches are requiredn
- Protect PII and financial data in transit and at restn
- Implement structured logging, monitoring and application observabilityn
- Write unit, integration and API te

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