Senior AI Back-End Engineer

🕒 April 15

🇨🇦 Canada – Remote

💵 $90k - $150k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 50%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Newfold Digital

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2021

💼 Consulting

📣 Marketing

📦 Logistics

💰 Venture Round on 2021-01

Consulting • Marketing • Logistics

Newfold Digital is a leading web presence solutions provider serving millions of small-to-medium businesses globally. Through its portfolio of brands, including Bluehost, CrazyDomains, HostGator, Network Solutions, Register. com, Web. com, and many others, Newfold Digital helps customers of all sizes build a digital presence that delivers results and adds value to businesses. With extensive product offerings such as domains, website builders, hosting, security, online marketing, professional website design, and SEO services, along with personalized support, Newfold Digital collaborates with its customers to meet their online presence needs.

📋 Description

• Design and scale asynchronous REST/WebSocket APIs using Python 3.11+ and FastAPI • Implement multi-agent workflows with Semantic Kernel to route traffic among specialized LLM agents • Integrate OpenAI GPT-4.1/mini and Google Gemini 2.5 Flash behind a provider-agnostic layer • Deliver Retrieval-Augmented Generation using Azure AI Search, pgvector, or Chroma • Expose tool-using agents via OpenAI Assistants Code Interpreter for data-analysis and file-manipulation tasks • Evolve schemas with SQLModel, SQLAlchemy 2, and Alembic; tune Postgres for high-concurrency async access • Maintain CI/CD pipelines that lint, type-check, test, package with Docker, and deploy • Instrument services with structlog JSON logs, OpenTelemetry traces, and cost/latency metrics while maintaining p95 under 100 ms • Champion AI-assisted development with GitHub Copilot and Cursor • Share pragmatic problem-solving practices with the team • Build the agent-powered backbone of the AI platform for millions of users

🎯 Requirements

• 5+ years building production APIs in Python • 2+ years with FastAPI or a similar async stack • Deep knowledge of async I/O, Pydantic v2, dependency injection, and observability • Hands-on experience with Semantic Kernel or comparable agent frameworks • Practical RAG implementations using Azure AI Search, pgvector, or Chroma • Strong Postgres skills, including SQLModel, SQLAlchemy 2, and Alembic migrations • Proven integrations or side projects with LLM APIs including OpenAI and Gemini • Structured-output design experience • Dependency management via Poetry and virtual-environment isolation • End-to-end CI/CD ownership • Excellent analytical and problem-solving ability • Remote work readiness with daily overlap of at least 09:00–13:00 EST

🏖️ Benefits

• Work-life balance • Diversity and inclusion programs • Learning and development opportunities • 20+ affinity groups for networking and global connection • Competitive HMO benefits – 175k MBL with one free dependent upon one year of service • Punctuality Bonus • Generous Vacation policy • Mentoring and career growth opportunities