Senior Full-Stack & AI Engineer - Remote

Infuse; Town of Poland (NY); On-site; USD 140,000 - 210,000; Full time

Benefits offered by this job

Remote work

Paid vacation

Career development

Job summary

INFUSE is seeking an experienced Senior Fullstack / AI Engineer to own end-to-end feature development, from backend to AI services and UI visualization. You will work with modern stacks including Vue 3/React, TypeScript, Node.js, NestJS, Python, and FastAPI to build AI agents and data processing pipelines.

Responsibilities include building and integrating LLM features, managing vector databases, data infrastructure, and robust testing.

Qualifications

• Senior, 4–5+ years in product development with hands-on experience in LLM integration and data engineering.
• Deep knowledge of Node.js, NestJS ecosystem, TypeScript (Vue 3, NestJS) and backend development with Python.

Responsibilities

• Backend: deep expertise in Node.js and/or Python (FastAPI); asynchronous programming, RESTful APIs and microservice architectures.
• LLM integration: production experience with LLM APIs (Anthropic, OpenAI or similar) including structured outputs, retries, streaming and rate limits.

Skills

Node.js

NestJS

TypeScript

Python

LLM integration

LangChain

Embeddings

Semantic search

Vector DB

Tools

Docker

Kubernetes

Redis

Kafka

ClickHouse

PostgreSQL

S3/MinIO

Job description

INFUSE is seeking an experienced Senior Fullstack / AI Engineer to own end-to-end feature development, from backend to AI services and UI visualization. You will work with modern stacks including Vue 3/React, TypeScript, Node.js, NestJS, Python, and FastAPI to build AI agents and data processing pipelines.

Responsibilities include building and integrating LLM features, managing vector databases, data infrastructure, and robust testing.