1,827,666open jobs
106,584companies
258,955added this week
Browse all
Salary
$152k – $202k per year
Location
Hybrid (Richmond, United States)
Seniority
Staff · 7+ years exp
Visa
No sponsorship (stated in the posting)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Aug 28, 2026. CoStar Group scores B on the Alion truth index.

Overview
Company
Impact
Profile match
CoStar Group is a commercial and residential real estate information, analytics and online marketplace company headquartered in Arlington, Virginia, and included in the S&P 500 index. Its businesses include CoStar data and analytics, LoopNet, Apartments.com, Homes.com, the Ten-X auction platform, STR hospitality data, Visual Lease and the 3D capture company Matterport, with offices across the US, the UK, Canada and Australia. Current roles cover sales executives and business development directors, field photographers, software, DevOps and machine learning engineers, product managers, finance analysts and CoStar News journalists.
Lead Software Engineer, AI Automation

Job Description

Overview

CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives.

We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly uniqueand valuable offerings to our customers. We’vecontinually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver forour customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.

We areseeking a Lead Software Engineer tojoinour Web Enterprise team, responsible for designing, building, and evolving the software platforms that support our proprietary CRM ecosystem and enterprise applications across Homes.com, CoStar, Apartments.com, LoopNet, and other industry-leading brands.

This role is ideal for an experienced engineer who enjoys solving complex technical challenges, architecting scalable systems, and driving engineering innovation through the adoption of Artificial Intelligence (AI). The successful candidate will combine deep software engineering expertisewith a passion for leveragingAI-powered development and testing tools to improve software quality, developer productivity, and delivery speed.

As a technical expert, you will influence architecture, establishengineering best practices, and help drive the adoption of AI-assisted software development, intelligent automation, and modern test engineering methodologies.

CoStar is investing heavily in artificial intelligence to accelerate software delivery, improve platform observability, automate research and business workflows, enhance product experiences through intelligent agents and skills, and improve data quality across enterprise systems. Successful candidates will demonstratea willingness to learn, adopt, and apply AI technologies responsibly to solve complex business and engineering challenges.

This position is located inRichmond, VA and is in office Monday through Thursday with work from home on Friday.

Responsibilities

  • Provide technical leadership, architectural direction, and deliveryownership for a portfolio of software products and platforms.

  • Champion AI-assisted software development practices that improve developer productivity, code quality, platform reliability, and engineering efficiency.

  • Leverage AI-powered observability, monitoring, anomaly detection, and automation capabilities to improve system resiliency, incident response, and customer experience.

  • Identifyand implement intelligent solutions that streamline workflows, reduce manual effort, and accelerate business outcomes.

  • Lead the design, development, and governance of AI-powered solutions, including agents, tools, skills, copilots, and workflow automations that enhance internal operations and customer-facing products.

  • Establish and enforce engineering and testing best practices related to software quality, security, scalability, observability, and operational excellence.

  • Promote responsible AI adoption by ensuring solutions meet established security, privacy, compliance, governance, and quality standards.

  • Apply modern quality management practices to deliver reliable, maintainable, and defect-resistant software solutions.

Basic Qualifications

  • Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or a related technical field from an accredited, not for profit, in-person university or college.

  • Track recordof commitment to prior employers.

  • 7+ years of professional software engineering experience, including full-stack application development.

  • Proven experience delivering and scaling successful software products throughout the software development lifecycle.

  • Hands-on experience with TypeScript, C#, .NET, React, SQL Server, Elasticsearch, AWS, and modern cloud-native development practices.

  • Strong understanding of software architecture, distributed systems, API design, and scalable application development.

  • Experience evaluating, adopting, or developing AI-powered solutions and applications.

  • Familiarity with large language models (LLMs), agent frameworks, AI orchestration tools, and AI-assisted development platforms.

  • Understanding ofobservability, monitoring, telemetry analysis, automated incident detection, and operational intelligence platforms.

  • Strong written and verbal communication skills with the ability to effectively engage engineers, business stakeholders, and senior leadership.

Preferred Qualifications

  • Exceptional problem-solving and critical thinking skills, with a proven ability to leverageAI, technical expertise, and innovative thinking to solve complex business challenges and deliver scalable solutions.

  • Experience designing and developing automated testing platforms, quality engineering frameworks, or developer productivity solutions that accelerate software delivery, improve reliability, and reduce operational overhead.

  • Experience developing, deploying, or managing AI-powered applications, copilots, agents, intelligent search experiences, or workflow automation platforms.

  • Experience implementing AI-enabled data quality solutions, including enrichment, deduplication, classification, entity resolution, anomaly detection, and governance.

  • Experience operatinglarge-scale cloud-native applications in AWS environments.

What’sin it for you?

When you join CoStar Group, you’llexperience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed.

We offer you generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training and tuition reimbursement.

Our benefits package includes (but is not limited to):

  • Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug

  • Life, legal, and supplementary insurance

  • Virtual and in person mental health counseling services for individuals and family

  • Commuter and parking benefits

  • 401(K) retirement planwith matching contributions

  • Employee stock purchase plan

  • Paid time off

  • Tuition reimbursement

  • On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes

  • Access to CoStar Group’s Employee Resource Groups

  • Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks

The final salary or hourly rate offered for this role will fall within the range set forth below based on a variety of factors, including but not limited to, geographic location, skills, and competencies.

Base Compensation: $152,000.00-$202,000.00 Annually

We welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar Group is not able toprovide visa sponsorship for this position.

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,827,666 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

AI/ML
Similar stack
Same company
Richmond
$80k – $180k per year • Equity 0.2–1% • In office • Full-Time • San Francisco
AI/ML
Function Calling
Human-in-the-Loop
LLM Guardrails
Tool Use
Apply
$149k – $314k per year • In office • Full-Time • 7+ years exp • Bachelor's Degree • San Francisco • Columbia • New York
Python
Java
C++
AI/ML
Copilot
Cursor
Claude Code
AI Agents
OpenAI Codex
Agentforce
Frontend
Redux
DevOps
GCP
Envoy
AWS
Kubernetes
Grafana
Apply
$600k per year • Equity • Remote (United States) • United States
Python
Java
Scala
AI/ML
AI Agents
LLM
Anomaly Detection
Feature Store
Recommender Systems
Apply
≈ $229k – $469k per year (Estimated) • In office • 6+ years exp • Bachelor's Degree • New York
Python
Databases
DuckDB
AI/ML
Spark
CUDA Toolkit
Quantization
SGLang
AWQ
Kubeflow
Ray
CUDA
Machine Learning
DevOps
AWS
Kubernetes
Amazon ECS
Apply
≈ $198k – $405k per year (Estimated) • In office • Full-Time • San Francisco
Python
AI/ML
Fine-tuning
Reinforcement Learning
JAX
Multimodal AI
AI Agents
PyTorch
SFT
Post-training
World Models
Physical AI
Embodied AI
Reward Modeling
Robotics
Reinforcement Learning
Digital Twin
Apply
≈ $34k – $57k per year (Estimated) • In office • Internship • Bachelor's Degree • Plano
Python
TypeScript
C#
C#
.NET
DevOps
Azure
Git
Apply
In office • Internship • Bachelor's Degree • Plano
Python
TypeScript
C#
C#
.NET
DevOps
Azure
Management
Outlook
Microsoft Office
Apply
≈ $33k – $56k per year (Estimated) • In office • Internship • Bachelor's Degree • Plano
TypeScript
C#
C#
.NET
DevOps
Azure
Management
Outlook
Apply
≈ $85k – $171k per year (Estimated) • In office • 15+ years exp • High School Diploma • Thornhill
ABAP
ABAP
SAP BTP
Databases
SAP BW
DevOps
AWS
Apply
In office • Bachelor's Degree • Mexico City
Python
SQL
Databases
Snowflake
AI/ML
AI Agents
Analytics
Power BI
Apply
$270k – $307k per year • Equity • Remote (United States) • Full-Time • 5+ years exp • Bachelor's Degree • Sunnyvale
Python
AI/ML
Computer Vision
Transformers
Pandas
NumPy
PyTorch
Gaussian Splatting
World Models
Machine Learning
DevOps
GCP
Azure
AWS
Robotics
Digital Twin
Apply
$270k – $307k per year • Equity • In office • Full-Time • 5+ years exp • Bachelor's Degree • Sunnyvale
Python
AI/ML
Diffusion Models
Computer Vision
Transformers
Pandas
NumPy
PyTorch
Gaussian Splatting
World Models
Machine Learning
Robotics
Digital Twin
Apply
$190k – $253k per year • Equity • In office • Full-Time • 5+ years exp • Bachelor's Degree • Sunnyvale
Python
C++
C++
PyTorch C++
AI/ML
OpenCV
CUDA Toolkit
JAX
Multimodal AI
Computer Vision
PyTorch
Gaussian Splatting
CUDA
NeRF
Machine Learning
DevOps
Git
Robotics
SLAM
Localization
Digital Twin
Management
Agile
Apply
$173k – $253k per year • Equity • Hybrid • Full-Time • 5+ years exp • Bachelor's Degree • Sunnyvale
Python
AI/ML
Quantization
Knowledge Distillation
Computer Vision
Kubeflow
TensorFlow
PyTorch
Model Distillation
Machine Learning
DevOps
GCP
Azure
CI/CD
Git
AWS
Docker
Kubernetes
Robotics
Digital Twin
Management
Agile
Apply
≈ $85k – $218k per year (Estimated) • In office • Full-Time • Sydney
Databases
Snowflake
AI/ML
dbt
AI Agents
VLM
LLM
LLM Guardrails
Machine Learning
DevOps
CI/CD
AWS
Apply
$175k – $200k per year • Equity • In office • Full-Time • 10+ years exp • PhD • Richmond
Apply
$74k – $85k per year • Hybrid • Full-Time • 3+ years exp • High School Diploma • McLean • Richmond • Chicago • Plano • Wilmington
C#
C#
.NET
Management
Microsoft Office
Apply
$152k – $173k per year • In office • Full-Time • 7+ years exp • High School Diploma • Richmond • McLean • Cambridge • Chicago
DevOps
Incident Management
Management
ITIL
Apply
$230k – $262k per year • In office • Full-Time • 9+ years exp • Bachelor's Degree • Richmond • McLean
Python
Go
JavaScript
Rust
TypeScript
C#
C++
Node JS
Scala
Python
FastAPI
AI/ML
LangGraph
LangChain
LlamaIndex
CUDA Toolkit
Fine-tuning
Embeddings
Function Calling
AI Agents
Ollama
Semantic Kernel
AWS Bedrock
LLM
RAG
CUDA
OpenAI
Anthropic
Hugging Face
GraphRAG
LLM Guardrails
Agentic Workflows
Tool Use
Frontend
Tailwind CSS
Next.js
React.js
DevOps
GCP
WebSockets
Azure
CI/CD
Git
AWS
Bitbucket
GitHub
Apply
$165k – $188k per year • In office • Full-Time • 7+ years exp • Bachelor's Degree • McLean • Richmond
Python
SQL
AI/ML
Spark
DevOps
AWS
Analytics
Tableau
Apply
See all jobs
This is one of many
1,827,666 more open roles from verified company boards, updated every day.