Senior ML-focused Data Platform Engineer

Employment Type: Full-time Salary: $75,000 - $90,000 a year

Position Overview

Luxury Presence is seeking a Senior ML-focused Data Platform Engineer to join our MLS data platform team. This role involves building robust data pipelines and delivering advanced ML solutions, including embeddings, fine-tuning, retrieval-augmented generation (RAG), and reinforcement learning from user feedback. Your contributions will directly impact property discovery, personalized recommendations, conversational agents, and the continuous improvement of our AI systems.

About the Data Squad

The Data Squad is responsible for ensuring the availability of clean, reliable MLS listing records and user click-stream data for our products and customers. Our team, comprised of data and software engineers, manages the entire listing pipeline, from ingestion to transformation and normalization across over 400 MLS feeds and other sources. We also enhance the platform to capture user activity data for new features and develop AI agents to automate feed onboarding and listing issue triage, thereby reducing manual effort and accelerating business impact.

Strategic Projects (Year 1)

• Autonomous MLS AI Agents: Launch AI agents to onboard new MLS feeds and triage/resolve listing issues using both structured and unstructured data.
• Evaluation & Monitoring: Expand A/B testing, offline metrics, and model-health dashboards to optimize relevance and engagement.
• Shared ML/Data Infrastructure: Establish embedding pipelines, vector databases, and personalization APIs for current and future AI features.

Responsibilities

• Architect and operate scalable batch and streaming data systems (Spark/EMR, Kafka, SQL).
• Own data quality, performance, and reliability through automated testing and monitoring.
• Design transactional and analytical data models and feature stores.
• Fine-tune embeddings and ML models; deploy RAG- and RL-based ranking pipelines.
• Integrate and optimize LLMs for conversational agents.
• Evolve the evaluation stack (A/B testing, offline metrics, model monitoring) to track end-to-end impact.
• Collaborate with product, engineering, and business stakeholders; mentor peers; and shape the long-term ML data-platform strategy.

Our Tech Stack

• Languages/Frameworks: Python, Spark Streaming, Kafka, Iceberg, Fast API & NodeJS microservices
• Cloud/Infrastructure: AWS, EMR, Kubernetes, Airflow
• Databases: Postgres, DynamoDB, Athena, ElasticSearch, LanceDB

Qualifications (Required)

• BS/MS in Computer Science or a related field, or equivalent experience.
• 5+ years of experience building large-scale data pipelines on AWS or GCP using Spark/EMR, Kafka, and SQL.
• Strong proficiency in a backend programming language such as Python or Java, with production experience in TensorFlow or PyTorch.
• Proven track record of delivering ML-powered features in recommendations, search/ranking, or conversational AI.
• Hands-on experience with embeddings, RAG, and reinforcement learning from feedback.
• Familiarity with vector databases, LLM deployment, Kubernetes/EKS, and modern CI/CD practices.
• Excellent communication skills and the ability to drive results across product, engineering, and business teams.

Preferred Qualifications

• Demonstrated success in building large-scale ranking or personalization platforms.
• Experience integrating Large Language Models into production systems.
• Experience leading projects and mentoring engineers.
• Proven success working in Agile environments.

Company Information

Luxury Presence is the leading digital platform revolutionizing the real estate industry for agents, teams, and brokerages. Our award-winning websites, cutting-edge marketing solutions, and AI-powered mobile platform empower real estate professionals to grow their business, operate more efficiently, and deliver exceptional service to their clients. Trusted by over 80,000 real estate professionals, including 31 of the nation’s top-performing agents, Luxury Presence continues to set the standard for innovation and excellence in real estate technology.

Join us in shaping the future of real estate. The real estate industry is undergoing significant transformation, and the future belongs to those who innovate.