DiligenceSquared
Engineer - Fullstack
New York City · Mid
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About the role
- About DiligenceSquared DiligenceSquared is the AI-native consulting firm.
- Our founding team brings deep experience from Blackstone and BCG, and we're backed by Y Combinator and Relentless.
- Our clients include 5 of the 10 largest private equity firms in the world and represent more than $3T in combined AUM.
Responsibilities
- Build new product features and experiences end-to-end, everything from database models to API endpoints, and integrating them with UI components for our Web App and AI Voice Agent application
- Design and build new AI-powered modules from scratch (e.g., market sizing, competitive analysis) that become core capabilities of our 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)
- You'll own complete features end-to-end - from AI-powered backend systems to polished frontend interfaces that investment professionals in Private Equity, Hedge Funds, Private Credit, and Corporate M&A use to make billion-dollar decisions.
- We deliver investment-grade market research and commercial due diligence, powered by AI agents and led by experienced consultants.
Requirements
- 3+ years of professional full-stack development experience
- Strong proficiency in React/TypeScript and Python
- 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
- Experience with Next.js and FastAPI
- Experience with Anthropic Claude API and Agent SDK
- Familiarity with agent orchestration frameworks
- Familiarity with vector databases and semantic search
- Experience building agentic systems with LLM platforms (Anthropic, OpenAI, or similar)
- Background building interfaces for AI/ML products or data-intensive applications
- Previous startup experience
Company info
- After all, we are founded by investment professionals).
- Apply learnings from each project into the product, so we're 1% better everyday (Law of Compounding is real. After all, we are founded by investment professionals).
- We're looking for a Software Engineer with deep expertise in full-stack development to help develop the next-generation AI platform for market due diligence.
This listing is sourced directly from DiligenceSquared's careers page and normalized into a canonical job model.