Senior Software Engineer (C#/.NET/React)

Overview

Develop and maintain large-scale distributed systems using C#, .NET, React, AWS.

Key Responsibilities

• tech evaluation
• full stack
• distributed systems
• api development
• design leadership
• code review

Tasks

-Continually evaluate emerging technologies to identify opportunities, trends, and best practices that can be leveraged to strength CoStar’s technology platform and develop practices. -Produce bullet-proof code that is robust, efficient and maintainable; our primary tools are React JS ,C#, .NET Framework, AWS (Dynamo/S3/Lambda), SQL Server -Build big, distributed, API-driven systems for tens of thousands of users -Drive and lead software design, development standards, code reviews.

Requirements

• react
• javascript
• sql server
• c#
• .net
• azure

What You Bring

-Strong communication skills (to both business and technical partners) -4+ years of experience in React JS, JavaScript -3+ years of experience in MS SQL Server OR Database Design in T-SQL programming/performance tuning -A track record of commitment to prior employers -Experience with RESTful web services -Bachelor’s degree required from an accredited, not-for-profit University or College -Experience in architecting, designing and building large scale distributed, services-oriented systems and web applications in an agile environment -Knowledge of cloud platforms (Azure or AWS) -Data modeling experience from conceptual, logical and physical designs -Advanced SQL Querying -4+ years of experience in C#, .NET Framework & Web API 2.0 Development -Data modeling experience

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Benefits

-Paid time off -Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug -Tuition reimbursement -Employee stock purchase plan -Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks -Commuter and parking benefits -On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes -Virtual and in person mental health counseling services for individuals and family -Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups -401(K) retirement plan with matching contributions -Life, legal, and supplementary insurance

About Costar Group

-Offers comprehensive data on properties, tenants, leases, and market conditions globally. -Known for its pioneering technology and research, delivers powerful insights to commercial real estate professionals. -Its旗舰平台, CoStar, provides unmatched property data, news, and analytics. -Platforms used by real estate professionals, from brokers to investors to property managers. -Expanded through strategic acquisitions, including the purchase of LoopNet and Apartments.com. -Data-driven insights help clients make informed investment and leasing decisions, shaping the global real estate market.

Sector Specialisms

Visa Sponsorship

-costar group does not provide visa sponsorship for this position.

Security Clearance

-company maintains a drug‑free workplace and performs pre‑employment substance abuse testing.