Senior Full-Stack AI Engineer

Quantiphi; Boston (MA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Impactful AI projects

Growth opportunities

Competitive compensation

Collaborative culture

Job summary

Quantiphi is seeking a Full Stack Software Developer to design and build scalable, high-performance applications powering next-generation Agentic AI platforms. You will lead API-first, distributed systems development from backend microservices to modern frontend experiences, collaborating with AI/ML teams to integrate LLM-driven workflows.

This hands-on role covers architecture, developer experience, and system reliability, with opportunities to mentor peers and influence best practices across

Qualifications

• 5–10 years of experience in full stack software development.
• Frontend: React, TypeScript, Next.js; Backend: Python (FastAPI) and/or Node.js.
• Experience building REST APIs, microservices, and distributed systems.
• Hands-on with PostgreSQL and data modeling.
• Docker, Kubernetes, and cloud platforms (GCP and/or Azure).
• Strong CI/CD knowledge (GitHub Actions or similar).
• Experience with OpenTelemetry or observability tooling.
• Experience with LLMs, RAG, or agentic AI systems; LangChain/LangGraph useful.

Responsibilities

• Design and build scalable full stack applications using React/TypeScript on the frontend and Python/Node.js on the backend.
• Architect and maintain RESTful APIs and microservices with versioning and API-first design.
• Develop distributed systems with event-driven architectures and messaging (Kafka, Pub/Sub).
• Build and integrate LLM-powered applications, including RAG pipelines and agentic workflows.
• Collaborate with AI/ML teams to integrate model serving platforms and multi-agent orchestration.
• Implement real-time capabilities using WebSockets, SSE, or streaming frameworks.
• Ensure high-quality engineering standards with testing (TDD/BDD), CI/CD, and IaC.
• Deploy and manage cloud-native apps on GCP/Azure, using Docker and Kubernetes.
• Champion observability with logging, metrics, tracing (OpenTelemetry).
• Create developer tools, SDKs, docs, and API portals; mentor engineers.

Skills

Full stack development

React

TypeScript

Next.js

Python

FastAPI

Node.js

REST APIs

Distributed systems

Docker

Kubernetes

GCP/Azure

CI/CD

LLMs / RAG / Agentic AI

Tools

PostgreSQL

Job description

Quantiphi is seeking a Full Stack Software Developer to design and build scalable, high-performance applications powering next-generation Agentic AI platforms. You will lead API-first, distributed systems development from backend microservices to modern frontend experiences, collaborating with AI/ML teams to integrate LLM-driven workflows.

This hands-on role covers architecture, developer experience, and system reliability, with opportunities to mentor peers and influence best practices across