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Engineer - Fullstack

DiligenceSquared· Engineering
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New York City$160k - $200kFull-timePosted 3w ago

About the role

Software Engineer (full-stack) for an AI-powered market due diligence platform. Own end-to-end features from backend AI systems to frontend UI, targeting investment professionals.

Responsibilities

  • Build new product features and experiences end-to-end, from database models to API endpoints, and integrating them with UI components for Web App and AI Voice Agent.
  • Design and build new AI-powered modules from scratch (e.g., market sizing, competitive analysis) that become core capabilities of the research platform.
  • Build and own product foundations across the stack (AI agent orchestration, voice AI pipelines, interactive data visualization, app and API performance, intelligent automations).
  • Apply learnings from each project into the product to achieve continuous improvement.

Qualifications

  • 3+ years of professional full-stack development experience
  • Strong proficiency in React/TypeScript and Python
  • Experience building agentic systems with LLM platforms (Anthropic, OpenAI, or similar)
  • Deep hands-on experience with LLMs in production - building reliable agentic systems, not just API calls
  • Experience with PostgreSQL and SQL database design
  • Experience with modern frontend architecture, state management, and API design
  • Track record of shipping user-facing products end-to-end

Skills

Required:Full-stack developmentReactTypeScriptPythonLLM platformsProduction-level LLMsPostgreSQLFrontend architecture
Last updated Oct 25, 2026. Interested? Apply on the company site.
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About DiligenceSquared

AI-powered market due diligence for investment decisions

DiligenceSquared delivers AI-powered market due diligence for investment decisions - like the $500k McKinsey reports, but automated, auditable, and at a fraction of the cost. When Private Equity funds evaluate deals, they pay firms like McKinsey, BCG, and Bain $500K-$1M for market due diligence. The process takes weeks, and the output is a static PowerPoint that's impossible to audit. A single large-cap PE fund can spend >$30M annually on this and the total market is $10B per year. Our AI agents conduct expert interviews and synthesize insights with every claim linked to source transcripts. No black box, no "trust me" slides, and no 10x mark-up for human labor. Frederik bought these reports as a Principal at Blackstone. Soren sold them as a Principal at BCG. Harshil is a repeat founder and former Software Engineer at Google. We've seen both sides and know what matters in due diligence - and now we automate it. Our clients already include 8 leading private equity funds with over $2.4 trillion in combined AUM.

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