Engineer - Fullstack at DiligenceSquared

Department: Engineering

Compensation

$160,000 – $200,000/yr

Setup: On-site
Location: New York, New York
Type: Full-time
Level: mid
Posted: Dec 10, 2025

Description

DiligenceSquared is hiring a Software Engineer to build end-to-end full-stack features for its AI-native market due diligence platform. The role covers database models, API endpoints, React/TypeScript and Python frontend and backend development, AI agent orchestration, voice AI pipelines, data visualization, and production LLM systems. Candidates need at least three years of full-stack experience, strong React/TypeScript and Python skills, production LLM and agentic-systems experience, PostgreSQL and SQL database design, and a track record of shipping user-facing products.

Required Skills

React/TypeScript
Python
LLM platforms
PostgreSQL
SQL database design
API design
Next.js
FastAPI
Supabase

Additional Information

Required Previous Experiences: 3+ years of professional full-stack development experience
Experience building agentic systems with LLM platforms
Deep hands-on experience with LLMs in production
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
Preferred Qualifications: Experience with Next.js and FastAPI
Experience with Anthropic Claude API and Agent SDK
Familiarity with agent orchestration frameworks
Background building interfaces for AI/ML products or data-intensive applications
Familiarity with vector databases and semantic search
Experience with Supabase
Previous startup experience
Translation Company Name: DiligenceSquared