AmpstekVerified Job Source

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

Brampton, ON
On-site
Posted Sep 1, 2026
1 position

Opens an external site

Employment type: Contract
Experience level: Mid-level · 2+ years
Apply by: Oct 1, 2026
Posting language: English
Working hours: 40 hours per week
Seniority: Associate
Application method: Direct apply is available

Job summary

Develop AI-native interfaces with streaming tokens and real-time reasoning feedback. Implement secure microservices to orchestrate requests across RAG, agents, and evaluation layers.

Job details

Position: Full Stack AI Engineer (React + Java/Python + GenAI) Location: Brampton, Ontario, Canada (Onsite) 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 AI-native UX. Thank You Aakash Dubey Talent Acquisition Lead Aakash.dubey@ampstek.com

What you’ll do

Develop AI-native interfaces with streaming tokens and real-time reasoning feedback. Implement secure microservices to orchestrate requests across RAG, agents, and evaluation layers.

Requirements

Requires expertise in modern frontend frameworks like React or Vue and backend runtimes such as Java or Python. Candidates must have experience building chat interfaces and a strong understanding of web security and API design.