Software Engineer II Backend

Job Description

Overview

CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information analytics and online in the S&P 500 Index CoStar Group is on a mission to digitize the worldsreal 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 unique and valuable offeringstoour continually refined transformed and perfectedour approach to our business creating a language that has become standard in our industry for our customers and even our continue that effort today and are always working to improve and drive is how we deliver for our customersour employees and equipping the brightest minds with the best resources available we provide an invaluable edge in real estate.

Role Description:

We are seeking a Software Engineer II to join a new team building the next generation of back-end services APIs and integrations in the finance tech organization. Initially this role will focus on the systems that move financial data between external platforms and our enterprise contracting system integrating with existing APIs message queues and SQL databases. You will help build configurable reusable services that can be extended to new sources systems and acquisitions through configuration rather than one-off hard-coded integrations.

You will also help standardize how data moves across our billing systems to allow for greater visibility into patterns errors and optimizations across a payments flow of billions of dollars a year.

This positionis inRichmond VA and hasawork schedule of Monday through Thursday in office and Friday work from home.

Responsibilities:

• Contribute to technical discussions and architectural decisions aligned with business goals
• Design develop and maintain robust and scalable back-end applications and APIs using the technology stack SQL and other data tools
• Champion maintainable well-tested code and sound design: clear separation of concerns loose coupling and consistent use of established design patterns
• Collaborate with engineering product DevOps and DBA teams to deliver production systems and participate in code reviews
• Work from requirements through delivery partnering with senior engineers and business stakeholders to turn business context into technical designs and development-ready specifications

Basic Qualifications:

• Bachelors degree required from an accredited not-for-profit in-person college/university
• Track Record of committment to prior employers
• 3 years of professional experience in software development using strongly typed languages for server-side processing such as C# GoLang Java or Node with TypeScript
• Strong experience with relational databases including database design and performance optimization
• Experience building scalable APIs and system integrations across REST APIs message brokers or event streams
• Experience building configurable reusable frameworks that support multiple integrations or business processes rather than hard-coded single-purpose implementations
• Strong understanding of CI/CD principles infrastructure as code automated deployment pipelines and source control systems
• Strong analytical and problem-solving skills with attention to detail and excellent communication skills
• Experience with agentic engineering and AI-assisted development tools (e.g. Claude Code GitHub Copilot) to accelerate software delivery

Preferred Qualifications:

• Exposure to serverless computing and event-driven architecture including but not limited to RabbitMQ SQS Kafka or Azure Service Bus
• Familiarity with microservices architecture containerization (Docker Kubernetes) and cloud platforms such as AWS Azure or GCP
• Familiarity with observability tools like Kibana Datadog and other monitoring frameworks
• Experience with Elasticsearch or OpenSearch including relevance and index tuning to power fast accurate search across contract billing and reference data
• Databricks Python or other ETL processing experience
• Payments or financial systems experience a plus
• Demonstrated ability to apply AI copilots or agentic workflows for code generation code review and root-cause analysis

Whatsin it for you

When you join CoStar Groupyoullexperience 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) retirementplanwith 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 Groups 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: $108000 - $140000 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 to provide visa sponsorship for this position.

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