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CoStar Group · 2 weeks ago

Senior Software Engineer - Applied AI Team

Arlington, VA

Full-time

Hybrid

Senior Level

5+ years exp

CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. They are seeking an accomplished Senior Software Engineer to design and architect large-scale, distributed systems, focusing on incorporating generative AI and building innovative GenAI-based solutions.

AnalyticsCommercial Real EstateReal Estate

No H1B

Hiring Manager

Colin Henderson

Responsibilities

Build large-scale, distributed, API-driven systems using Node.js and modern scalable design patterns on AWS

Design and implement infrastructure using Terraform, Docker, and build CI/CD pipelines for deployment

Architect and develop event-driven applications leveraging AWS services (Lambda, SQS, DynamoDB, S3, etc.)

Integrate generative AI capabilities and deploy machine learning models into production applications

Build and optimize small classifiers and work with both generative AI and classical machine learning approaches

Drive and lead software design, development standards, code reviews and production releases

Collaborate closely with other Software Engineers and AI practitioners across the organization

Continually evaluate emerging AI/ML technologies and scalable architecture patterns to identify opportunities and best practices

Willingness to take an active role in mentoring other developers

Qualification

Node.jsAWS servicesTerraformDistributed systemsDockerCI/CD pipelinesGenAI conceptsMachine learningEvent-driven applicationsUnit testingPerformance testingAgile environmentProduction developmentClassifiersModel fine-tuning.NET CoreOpenSearchRedisKafkaMentoring

Required

Bachelor's Degree required from an accredited, in-person, not for profit university or college

5+ years of production development experience with Node.js building large-scale, mission-critical applications

Strong understanding of modern scalable design patterns and distributed systems architecture

Hands-on experience with AWS services including Lambda, SQS, DynamoDB, S3, and other core AWS resources

Proficiency with Terraform for infrastructure as code

Experience with Docker and containerization technologies

Strong understanding of CI/CD pipelines and the full development lifecycle

Solid understanding of GenAI concepts and classical machine learning fundamentals

Experience in architecting, designing and building event-driven applications in an agile environment

Proficiency in unit and performance testing

A track record of commitment to previous employers

Preferred

Experience with machine learning libraries (TensorFlow, PyTorch, scikit-learn, Hugging Face Transformers) a plus

Hands-on experience deploying machine learning models to production a plus

Experience building small classifiers or working with model fine-tuning a plus

.NET Core development experience a plus

Experience with OpenSearch, Redis, Kafka a plus

Benefits

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 plan with 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 Diversity, Equity, & Inclusion Employee Resource Groups

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