Mandrel

Staff / Senior Software Engineer

Mandrel
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10 months ago
New York, NY, USASenior / Staff+

Base Salary

$175k - $250k/yr

Responsibilities

  • Design, develop, test, and deploy systems that automate finance workflows and produce real-time financial insights.
  • Define and contribute to the technical roadmap, translate customer and internal requirements into scalable architectures, and identify improvement opportunities.
  • Develop AI-powered data pipelines that extract, classify, and link unstructured operational and finance data.
  • Architect real-time synchronization systems using GraphQL subscriptions, WebSockets, and PubSub.
  • Design multi-tenant procurement, inventory, and accounting features with organization-level data isolation.
  • Build integrations with ecommerce, warehouse, financial, logistics, and email platforms.
  • Optimize background processing for document analysis, data aggregation, and automated financial reconciliation.
  • Influence engineering standards, establish best practices for system design, code quality, testing, and operations, and mentor teammates.

Requirements

  • At least 5 years of full-stack industry experience building complex, data-intensive applications.
  • Proficiency with TypeScript, NestJS, GraphQL, Next.js, PostgreSQL, and Redis.
  • Experience architecting systems from scratch, ideally in finance, accounting, supply chain, or another B2B domain.
  • Experience building real-time systems using WebSockets, subscriptions, and event-driven architectures.
  • Experience with AI/ML integrations, agentic workflows, document processing, and content extraction.
  • Understanding of multi-tenant architecture patterns and enterprise security requirements.
  • Experience with AWS and Docker.
  • Ability to work with complex domains and translate requirements into technical solutions.
  • Bonus experience with inventory management, document processing, financial systems, or general ledger systems.

Benefits

  • Competitive salary and equity package
  • Unlimited vacation, with 15 days encouraged
  • Comprehensive medical, dental, and vision insurance
  • Relocation assistance to New York City
  • In-person role in New York with a collaborative culture

Tech Stack

AWSDockerGraphQLNestJSNext.jsPostgreSQLRedisTypeScript
Mandrel

About Mandrel

11-50 employees

Mandrel is building the AI-native ERP for commerce. Our platform helps operators replace brittle spreadsheets and legacy systems with software that reflects how finance and ops at consumer brands works today: real-time visibility, cleaner workflows, and better decisions.

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