Mandrel
Staff / Senior Software Engineer
New York Office · Staff+
Sponsorship not specifiedDetected 225 days ago
TypeScriptNext.jsDistributed SystemsFull-Stack DevelopmentPostgreSQLRedisAWSCloud PlatformsDockerGraphQLWebSocketsMachine LearningData EngineeringAccountingQuickBooksSupply ChainLogisticsProcurementERPInventory ManagementShopify
About the role
- This is a deeply autonomous role where you will shape both the product and the underlying engineering foundation.
Responsibilities
- Design, develop, test and deploy systems that automate key finance workflows and transform data into real-time financial insights for our brands.
- Develop and refine AI-powered data pipelines for extracting, classifying, and linking unstructured data from a variety of operations and finance data sources, including supply chain documentation
- Architect and implement real-time data synchronization systems using GraphQL subscriptions, WebSockets, and PubSub to keep data instantly updated across all users
- Design multi-tenant enterprise features for procurement, inventory, and accounting automation with organization-level data isolation
- Build sophisticated integration layers connecting ecommerce platforms (Shopify, Amazon), warehouse platforms, financial software (Bill, QuickBooks), logistics providers, and email inboxes
- Optimize background processing systems for document analysis, data aggregation, and automated financial reconciliation workflows
- Influence engineering standards and mentor teammates, helping establish best practices for system design, code quality, testing, and operations
- 5+ years of full-stack industry experience building complex, data-intensive applications
- Experience building real-time systems (WebSockets, subscriptions, event-driven architectures)
Nice to have
- Shape how real businesses run their accounting and finance operations - your work directly improves financial accuracy and operational performance.
- Experience architecting systems from scratch - ideally in finance, accounting, supply chain, or other B2B domains
- Experience with AI/ML integrations (agentic workflows, document processing, content extraction)
- Understand multi-tenant architecture patterns and enterprise security requirements
- Experience with cloud platforms (AWS) and containerization (Docker)
- Comfortable working with complex domains and translating requirements into technical solutions
Compensation
- Competitive salary & equity package
Benefits
- Competitive salary & equity package
- Unlimited vacation (with 15 days encouraged)
- Comprehensive medical, dental, and vision insurance
Company info
- Define and contribute to the technical roadmap, working with customers and the internal team translate requirements into scalable architectures and identify opportunities for improvement
- Play a key role as an early team member at a growing startup with a high level of ownership, working directly with the founding team and customers
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This listing is sourced directly from Mandrel's careers page and normalized into a canonical job model.