Newfold Digital, Inc. logo

Senior AI Back-End Engineer

Job Overview

Location

Canada - Remote

Job Type

Full-time

Category

Backend Engineer

Date Posted

April 16, 2026

Full Job Description

📋 Description

  • Senior AI Back-End Engineer role focused on designing and scaling AI-powered backend systems for Network Solutions, a trusted digital identity authority with decades of experience securing domain names and protecting online infrastructure.
  • Day-to-day responsibilities include designing async REST/WebSocket APIs with Python 3.11+ and FastAPI, implementing multi-agent workflows using Semantic Kernel, integrating LLM providers (OpenAI GPT-4.1/mini, Google Gemini 2.5 Flash) via a provider-agnostic layer, delivering Retrieval-Augmented Generation (RAG) with vector stores like Azure AI Search, pgvector, or Chroma, exposing tool-using agents via OpenAI Assistants, evolving schemas with SQLModel/SQLAlchemy and Alembic, tuning Postgres for high-concurrency async access, maintaining CI/CD pipelines with Bitbucket Jenkins, instrumenting services with structlog, OpenTelemetry, and cost/latency metrics (targeting p95 < 100ms), and championing AI-assisted development practices using GitHub Copilot and Cursor.
  • The team at Network Solutions leverages modern, AI-accelerated tools to streamline digital presence management for businesses, building on a legacy of trust since the early internet to secure domains, brands, and websites for millions of customers worldwide.
  • In this role, you will deepen expertise in AI-integrated backend systems, lead technical evolution of the agent-powered platform, gain hands-on experience with cutting-edge LLM orchestration and observability, and contribute to a scalable, model-agnostic AI backbone serving millions of users while growing your impact in a supportive, innovative engineering culture.

Skills & Technologies

Python
FastAPI
PostgreSQL
Azure
Docker
Backend
Senior
Remote

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Newfold Digital, Inc. logo
Newfold Digital, Inc.
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About Newfold Digital, Inc.

Newfold Digital, Inc. is a global technology company specializing in web hosting, domain registration, and online presence solutions for small businesses and individuals. Operating under well-known brands such as Bluehost, HostGator, Domain.com, and iPage, Newfold provides integrated tools for website building, e-commerce, email hosting, and digital marketing. The company serves millions of customers worldwide through a combination of direct sales, reseller channels, and strategic partnerships. Newfold Digital focuses on simplifying the process of establishing and managing an online presence, leveraging scalable cloud infrastructure and proprietary technology platforms. Headquartered in Austin, Texas, the company employs thousands globally and continues to expand through organic growth and acquisitions in the web services and digital entrepreneurship markets.

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