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# Founding Engineer

- **Company:** Open Talents, Inc.
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Salary:** $160,000 - $240,000
- **Contract:** Permanent contract
- **Skills:** Computer-Aided Design, Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, PostgreSQL, Machine Learning, Node.Js, Redis, OpenAI, Prometheus, Next.js, TypeScript, Data Logging, Pinecone, Tailwind, ReactJS, Evaluation Pipelines, Retrieval-Augmented Generation, Open-source Models, Large Language Models, Grafana, Model Validation, Reliability of Systems, Backend, Pgvector, Kubernetes, Low Latency, Sentry, Weaviate, Graphql, Front End Software Development, Restful APIs, Terraform, Docker
- **Published:** November 13, 2026
- **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=3066812192-2

## About the Role

* Experience building production LLM systems beyond prototypes
 * Hands-on fine-tuning experience (LoRA, adapters, evaluation pipelines)
 * Background in ML engineering or applied NLP
 * Experience designing complex frontend UX for data-heavy or AI-driven products
 * Familiarity with model evaluation, guardrails and hallucination mitigation

## Description

Senior Software Engineer (TypeScript / React / LLM Systems) * AI Infrastructure * $250,000 * Hybrid (2 days/week) * New York, NY

Must be based in NYC & the role requires US Citizenship due to regulatory constraints. No sponsorship/visas/Green Card., We're hiring a Senior Software Engineer to help build production-grade LLM-powered systems used in high-impact, real-world workflows.

This is a true SWE + ML role. You'll sit at the intersection of frontend UX, backend systems, and applied machine learning - owning features end to end. That includes React-heavy user interfaces, TypeScript services, and the pipelines that power LLM reasoning, retrieval and fine-tuning behind the scenes.

You'll work closely with product, design and ML engineers to ship tools where reliability, clarity and user experience matter just as much as model quality., * Design and build TypeScript services that power LLM workflows including RAG pipelines, prompt orchestration and fine-tuning flows.

 * Develop rich, intuitive React interfaces for AI-driven products - heavy focus on UX, clarity and usability.
 * Implement retrieval systems using vector databases, hybrid search and structured data sources.
 * Work hands-on with LLM APIs and open-source models (OpenAI, Anthropic, open-weight models).
 * Collaborate with ML engineers on evaluation, fine-tuning strategies and production rollout.
 * Own backend architecture across Node.js services, async pipelines and model-facing APIs.
 * Improve system reliability through logging, monitoring, tracing and failure handling.
 * Mentor engineers and contribute to design and architecture decisions across the platform.

Tech Stack

Frontend: React, TypeScript, Next.js, Tailwind CSS, Storybook

Backend: Node.js, TypeScript, REST, GraphQL

LLM Systems: RAG pipelines, fine-tuning workflows, prompt orchestration

Data & Retrieval: PostgreSQL, Vector DBs (Pinecone, Weaviate, pgvector), Redis

Infrastructure: AWS, Docker, Kubernetes, Terraform

Observability: OpenTelemetry, Prometheus, Grafana, Sentry