N

nesto

AI-powered mortgage lender with unbiased advice

Senior Applied AI Engineer

Full-TimePosted on 10/19/2026
No salary listed
Senior
Bachelor's
Remote in Canada
RemoteRemote role in Canada (#LI-Remote).
Software EngineeringAI Application Engineering

About the job

Requirements
  • A bachelor's degree in computer science, software engineering, or data science, or equivalent experience, and 5+ years of professional software development experience.
  • Strong proficiency with modern web API frameworks such as FastAPI or Flask, relational databases such as MySQL, and back-end development.
  • Hands-on experience running LLM-based features in production, including prompting, retrieval-augmented generation, or structured extraction.
  • Strong software engineering fundamentals, including testing, design patterns, and Agile methodology.
  • Experience designing comprehensive evaluation strategies, including golden sets, online and offline evaluations, and regression monitoring.
  • Strong collaboration and teamwork abilities.
Responsibilities
  • Own major features autonomously, guide architectural choices, and provide technical direction within the AI agent platform.
  • Own features end to end and contribute to larger projects while clearly presenting trade-offs.
  • Participate in code reviews, collaborate with peers, and provide constructive feedback to design high-quality software.
  • Collaborate with cross-functional team members to meet delivery deadlines without compromising quality.
  • Troubleshoot and debug issues and improve performance and reliability within the role's domain.
  • Design, refine, and optimize AI-driven workflows by combining deterministic rules with LLM perception, embedding-based search, and structured output extraction.
Desired Qualifications
  • Familiarity with LLM orchestration tools such as LangChain and LlamaIndex, vector databases, and document intelligence pipelines.
  • Experience managing production AI trade-offs such as cost and latency, and working in regulated domains such as OSFI E-23 compliance.

About the company

Nesto is a Canadian online mortgage lender that uses technology to simplify the mortgage process. It offers mortgage options through an AI-powered algorithm that estimates the best rate in seconds, then lets customers customize based on personal goals. The application process is straightforward, with easy document uploads for review. Nesto differentiates itself by providing unbiased, commission-free expert advice from a team of over 300 advisors across Canada, helping clients from start to finish and during the life of their loan. Revenue comes from the interest on mortgages, and the company has helped over 400,000 Canadians. Its goal is to make the mortgage experience transparent and customer-friendly by combining advanced technology with accessible expert guidance.

Company Size

501-1,000

Company Stage

Private

Total Funding

$222.6M

Headquarters

Montreal, Canada

Founded

2018

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Simplify's Take

What believers are saying

  • June 2026 Series E raised C$302 million at C$1.47 billion valuation.
  • Nesto reported over C$37 billion in 2026 originations and over C$80 billion AUM.
  • June 2025 commercial mortgage expansion and new partnerships widen distribution beyond homebuyers.

What critics are saying

  • OSFI Guideline E-23 starts May 1, 2027, scrutinizing Nesto’s AI models.
  • CMLS integration strains systems, culture, and service quality across ten offices.
  • Big-6 banks undercut spreads daily; a mortgage slump kills originations and cloud sales.

What makes nesto unique

  • June 2026 Maestro AI cut underwriting toward two minutes across Nesto Cloud.
  • June 2024 CMLS acquisition created Canada’s largest technology-enabled lender, with 1,000 employees.
  • Nesto combines direct lending, white-label software, and commission-free advice across Canada.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Health Savings Account/Flexible Spending Account
  • Paid Vacation
  • Parental Leave
  • 401(k) Company Match
  • Wellness Program
  • Mental Health Support
  • Gym Membership

Growth & Insights and Company News

6 month growth

2%

1 year growth

1%

2 year growth

0%
BetaKit
Jun 11th, 2026
Nesto secures nearly $1.5-billion valuation in new Series E round | BetaKit

The Montréal-based digital mortgage lender wants to speed up approvals using AI.

Stockwatch
Jun 10th, 2026
Stockwatch

No Hype - just the Facts. Your complete source of news and realtime quotes from the TSX, TSX-V, CSE, CBoe Canada, Montreal, Nasdaq, NYSE, Amex, OTC Markets and Cboe.

GlobeNewswire
Jun 10th, 2026
nesto raises $302 million Series E at $1.47 billion valuation to accelerate growth

This new capital will accelerate the deployment of Nesto Cloud’s AI-powered lending platform across the mortgage financing and financial services sectors....

Startup Ecosystem Canada
Sep 17th, 2025
Keypr Integrates Nesto Mortgage Services for Ontario Homebuyers

Toronto-based proptech platform Keypr has partnered with Montréal-based Nesto to incorporate mortgage services into its digital platform aimed at Ontario homebuyers.

The Montreal Gazette
Mar 19th, 2025
Susan Kudzman Joins nesto's Board of Directors

MONTREAL, March 19, 2025 (GLOBE NEWSWIRE) - nesto Inc. is pleased to announce the appointment of Susan Kudzman to its Board of Directors.