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AI Engineer - Quantitative Analyst

Remote

About Longmark Group

Longmark Group is an alternative asset management platform specializing in residential real estate. With a mission to redefine the industry, Longmark approaches asset management differently, starting with operational excellence as its foundation and evolving into a leader in capital markets innovation.

Since 2021, the team at Longmark has acquired and managed single-family rental properties in high-demand markets across the Midwest and Sun Belt. Backed by a 100+ person team with expertise at top institutions like Blackstone, Progress Residential, and Goldman Sachs and led by CEO Brian Hardecker, Longmark embodies its core values:

  • Innovative Thinking, Grounded Execution: Longmark challenges traditional approaches, combining innovative strategies with disciplined execution to drive smarter investments.
  • Principled Leadership: Trust is built on fairness and transparency. Longmark commits to doing what’s right, ensuring every decision reflects a focus on sustainable success.
  • Entrepreneurial Spirit and Strength: Longmark fosters bold action, empowering its team to think critically, act decisively, and innovate confidently within a framework of operational excellence.
  • Data Sophistication: Advanced data capabilities drive precision in decision-making, ensuring exceptional outcomes for investors and partners.

We’re building the world’s largest alternative asset manager the smart way and are seeking dynamic professionals who want to be part of this journey.

As an AI Engineer/Quantitative Analyst at our real estate tech platform, you'll spearhead the development of sophisticated AI frameworks and multi-agent systems that drive our investment decision-making. This role combines cutting-edge AI engineering with quantitative analysis to optimize our residential real estate investment platform. You'll architect scalable AI solutions, develop LLM-driven applications, and apply advanced statistical methods to enhance our risk assessment and pricing strategies. You'll collaborate across teams to transform complex data into actionable insights that deliver consistent returns for our alternative asset management platform. The ideal candidate brings expertise in AI frameworks, cloud deployment, and financial engineering, with a passion for solving real-world problems in the proptech/fintech space.

Key Responsibilities

AI DEVELOPMENT & DEPLOYMENT 

  • Architect scalable AI frameworks and workflows, ensuring efficiency and robustness.
  • Develop and operate AI agents and multi-agent systems, including LLM-driven solutions (OpenAI, Anthropic, Llama, etc.).
  • Create custom AI interaction frameworks and tools—building from the ground up, if necessary.
  • Containerize and deploy AI solutions using Docker and AWS services (ECS, SageMaker, Bedrock, Lambda).

ADVANCED AI FRAMEWORKS & TOOLS 

  • Work with or evaluate platforms like LiteLLM, LangGraph, N8N, latenode, Perplexity, Aider, and Cursor (or similar) to deliver robust AI applications.
  • Demonstrate the ability to choose the right framework or tool for each use case, with clear reasoning around advantages and limitations.
  • Collaborate with product managers and DevOps to integrate AI solutions seamlessly and securely.

AI AGENTS & CHATBOTS 

  • Develop sophisticated AI-driven chatbots/assistants to streamline real-time interactions and generate data-driven insights.
  • Experiment with new and existing large language models, optimizing them for domain-specific tasks in residential real estate.
  • Maintain a user-centric focus, ensuring solutions directly address customer needs.

DATA & ANALYTICS 

  • Leverage Snowflake (or similar data warehouse solutions) for effective data storage and analytics.
  • Implement end-to-end data processes (ETL/pipelines) in Python, SQL, Bash, and GraphQL(optional).
  • Conduct R&D in AI optimization, reinforcement learning, and advanced analytical methods.

QUANTITATIVE ANALYSIS & FINANCIAL ENGINEERING 

  • Apply techniques in applied math, financial engineering, and statistics to refine real estate risk, pricing, and investment strategies.
  • Build Statistical, ML, and Deep Learning models (least requirement is understanding how linear and logistic regression work; ML models come second; Deep Learning is optional as our use is limited).
  • Integrate analytical methods into AI workflows to improve decision-making and returns.

REQUIRED QUALIFICATIONS 

  • Expertise in AI frameworks, large language models, and deep learning techniques.
  • Experience architecting AI workflows at scale, preferably on cloud platforms like AWS.
  • At least 1 year of experience integrating software engineering best practices with LLM deployments.
  • Proficiency in Python, SQL, Bash, and GraphQL for AI and data-related development.
  • Familiarity with multi-agent systems, plus relevant frameworks (LiteLLM, LangGraph, or similar).
  • Working knowledge of Snowflake (or other data warehouses).
  • Applied math, financial engineering, or statistical background.
  • Experience in mortgage or real estate is a plus (we are a fintech/proptech company).
  • Passion for understanding customer problems and delivering AI-driven solutions.

WHAT SETS YOU APART 

  • Ability to build and optimize AI solutions independently, minimizing third-party dependencies.
  • Strong communication skills for conveying complex AI concepts to both technical and non-technical stakeholders.
  • Collaborative mindset for partnering with product managers, DevOps, and cross-functional teams.
  • Proven track record of researching and implementing cutting-edge AI technologies in a production environment.

Benefits: 

  • Generous PTO to recharge and maintain a healthy work-life balance.
  • Paid maternity and paternity leave to support your growing family.
  • 401(k) program with matching to help you plan for a secure future.
  • Opportunities for professional growth and development in a fast-paced, innovative environment.
  • A supportive, mission-driven team that values collaboration and shared success.

Why Join Longmark Group?

At Longmark Group, our innovative strategies and culture empower every team member to make meaningful contributions and drive exceptional outcomes for investors and communities alike. Joining Longmark means joining a company that values expertise, collaboration, and a commitment to excellence.

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