Full Stack AI Engineer (React + Java/Python + GenAI)

Ampstek; Brampton; On-site; CAD 90,000 - 130,000; Full time

Job summary

Ampstek is seeking a Full Stack AI Engineer (React + Java/Python + GenAI) for a long-term engagement. You will build AI-native interfaces with streaming tokens, develop secure microservices, and manage complex multi-turn agent workflows to deliver real-time reasoning feedback.

You will work across frontend and backend stacks, focusing on low latency, robust security, and accessible design across scalable architectures in a fast-paced environment.

Qualifications

• Expertise in modern frontend frameworks (React, Vue) and backend runtimes (Java, Python).
• Experience building chat interfaces or state-heavy dashboards.
• Strong understanding of web security and API design.

Responsibilities

• AI-Native Interfaces: Build responsive UIs supporting streaming tokens (SSE), agent tool-use visualization, and real-time reasoning feedback.
• API & Middle-Tier Development: Implement secure microservices that orchestrate requests across RAG, agents, and evaluation layers.
• State Management: Handle complex frontend state for multi-turn conversations, agent workflows, and partial-completion tasks.
• Performance Optimization: Ensure low-latency rendering and smooth UX across varied AI response times.

Skills

Frontend Engineering

AI-Native UX

Backend Microservices

State Management

Web Security

Performance Optimization

Event-Driven UI

Integration with AI Backends

Accessibility & Design Systems

Tools

React

Vue

Java

Python

Job description

Position: Full Stack AI Engineer (React + Java/Python + GenAI)

Duration: Long Term

Job Description:

What You Will Do:

• AI-Native Interfaces: Build responsive UIs supporting streaming tokens (SSE), agent tool-use visualization, and real-time reasoning feedback.
• API & Middle-Tier Development: Implement secure microservices that orchestrate requests across RAG, agents, and evaluation layers.
• State Management: Handle complex frontend state for multi-turn conversations, agent workflows, and partial-completion tasks.
• Performance Optimization: Ensure low-latency rendering and smooth UX across varied AI response times.

Required Qualifications:

• Expertise in modern frontend frameworks (React, Vue) and backend runtimes (Java, Python).
• Experience building chat interfaces or state-heavy dashboards.
• Strong understanding of web security and API design.

Skillset Requirements:

• Frontend Engineering: React/Vue, component architecture, state management, and streaming UI patterns.
• AI-Native UX: Designing interfaces for streaming tokens, agent tool-use visualization, and multi-turn reasoning.
• Backend Microservices: Java/Python runtimes, secure routing, and API orchestration.
• State Management: Redux, Zustand, Vuex, or equivalent for long-running agent tasks.
• Web Security: OWASP, secure API design, auth flows, and safe AI request routing.
• Performance Optimization: Low-latency rendering, concurrency handling, and streaming UI performance.
• Event-Driven UI: SSE, WebSockets, and real-time agent feedback loops.
• Integration with AI Backends: Handling varied response times, partial outputs, and agent state transitions.
• Accessibility & Design Systems: WCAG-compliant, reusable component libraries for consistent