Job Overview
Location
Miami
Job Type
Full-time
Category
Software Engineering
Date Posted
April 15, 2026
Full Job Description
đź“‹ Description
- • Senior Software Engineer role at Katapult Labs, Inc., a stealth-stage legal technology company applying AI to plaintiff-side litigation at institutional scale, focused on building infrastructure that doesn't yet exist in the legal industry.
- • The role requires a Founding Builder to work across the full stack with a backend-first mindset, owning architecture end-to-end, designing systems around AI (including LLM orchestration, agentic workflows, and MCP integrations), and collaborating closely with a product-leaning counterpart.
- • Day-to-day responsibilities include designing and shipping production-grade systems, operating with high autonomy and low ego, communicating precisely, flagging blockers early, and building systems where precision matters due to real-world consequences in regulated domains.
- • The team operates in a small, deliberate, high-stakes engineering culture where engineers think in systems, not features, and are expected to own complex platforms without hand-holding in a domain where wrong outputs have serious implications.
- • The company is building the foundation for how law is practiced end-to-end, having raised a seed round that was 75% oversubscribed in February 2026, and is defining the future of legal technology through AI-driven infrastructure.
- • The person in this role will learn to build AI-native systems at scale, work in high-precision regulated environments, and gain ownership in an early-stage, well-funded startup with meaningful equity (0.20%–0.99%).
🎯 Requirements
- • Software engineering depth with a backend-first instinct and experience owning complex platforms and products end-to-end without hand-holding.
- • AI-native by default: experience designing systems with and for AI, including building with LLMs in production as infrastructure, not just as a feature.
- • Proven ability to operate at high autonomy, low maintenance, low ego, with precise communication, early blocker flagging, and shipping in fast-moving environments.
- • Prior exposure to domains where precision matters: legal, compliance, healthcare, or fintech, with understanding of the consequences of wrong outputs in regulated contexts.
- • Fluency in English and Spanish (bilingual requirement).
- • Must be based in New York or Miami (or exceptional candidates in other locations considered) and able to commit to 3 nights on-site in Miami or NYC every month (85% remote role).
🏖️ Benefits
- • Monster equity: 0.20%–0.99% of the business as of May 2026 — meaningful, early-stage ownership in a well-funded company.
- • 4-round interview process including founder screen, blind work sample, half-day panel (ethics + adversarial assessments), and social event with the team.
- • Hybrid work model: 85% remote with required monthly in-person meetings (3 nights) in New York or Miami.
- • Opportunity to work on cutting-edge AI infrastructure in legal tech, including LLM orchestration, agentic workflows, and MCP integrations.
- • Access to a modern tech stack: Next.js 16, React 19, TypeScript 5.9, Tailwind CSS 4, shadcn/ui, Radix UI, Recharts, MapLibre GL, Framer Motion, Lucide React, Anthropic Claude API, Auth.js (NextAuth v5), Drizzle ORM, PostgreSQL, DuckDB, S3-backed Parquet files, and Python 3.13 with Hive-partitioned Parquet on S3.
Skills & Technologies
About Katapult Labs, Inc.
Katapult Labs is a technology company focused on developing advanced solutions for various industries. They specialize in areas such as artificial intelligence, machine learning, and data analytics to help businesses optimize operations, gain deeper insights, and drive innovation. Their platform offers tools for predictive modeling, process automation, and intelligent decision-making, catering to clients looking to leverage cutting-edge technology for competitive advantage. Katapult Labs aims to transform complex data into actionable strategies, empowering organizations to achieve their goals more efficiently and effectively through tailored technological applications and expert consulting services.
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