Penn Foster

Ten-X - Senior Software Engineer (C# /.. Participate and drive continuous improvement within CoStar’s Agile/Scrum teams.. Proficiency in API Frameworks and Tools such as Swagger, Postman, or similar tools for API development, documentation, and testing. On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes. Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks

senior software engineer

Ten-X - Senior Software Engineer (C# / .NET)    Job Description
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 and the NASDAQ 100, 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 unique and valuable offerings to our customers. We’ve continually 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 for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.
Ten-X is the world’s largest, online commercial real estate auction platform. The Ten-X platform empowers brokers, sellers and buyers with data-driven technology and comprehensive marketing tools to expand market visibility and decrease time to close deals.
Learn more about Ten-X.
Our team is seeking an accomplished Senior Software Engineer to join our team in supporting multiple software products and brands across the organization, such as www.Ten-X.com. You will have a direct impact on highly visible web applications that touch more than 30,000 users. You continuously learn emerging technologies and architecture advancements and apply the learnings to improve Ten-X’s software products.
This position is located in Irvine, CA and offers a hybrid schedule of 3 days onsite, 2 days remote.
Responsibilities
Design and develop using Object Oriented design principles and software design patterns to attain high reusability and maintainability.
Deep knowledge and experience in writing unit testable software with C#
Optimize API performance through caching mechanisms, data pagination, request/response compression, and other performance enhancement techniques.
Effectively troubleshoot API-related issues, debugging problems, and provide efficient solutions.
Develop an in-depth understanding of CoStar’s product architecture and frameworks.
Maintain and contribute to CoStar’s product platform as necessary.
Develop database stored procedures and SQL scripts/ETL jobs that meet CoStar database standards to implement product requirements.
Participate and drive continuous improvement within CoStar’s Agile/Scrum teams.
Build consensus among different teams working on software development projects.
Facilitate discussions among other .NET and database developers to exchange new ideas and improvements.
Continually evaluate emerging technologies to identify opportunities, trends and best practices that can be used to strengthen CoStar’s technology platform and development practices.

Basic Qualifications
7+ years of production development experience with C# .NET (or .NET Core)
Hands-on API design and development using RESTful or SOAP APIs. Familiar with API best practices, versioning, authentication, and security considerations.
Proficiency in API Frameworks and Tools such as Swagger, Postman, or similar tools for API development, documentation, and testing
Experience in SQL or NoSQL databases and be capable of efficiently write stored procedures, functions and ad-hoc queries to manipulate data through APIs.
A demonstrable track record of building and launching successful products and platforms
Deliver products that meet specifications and performance SLA
Experienced in unit, performance, and automation testing
Deeply understand what drives the business for which you are building software
Take an active role in mentoring developers with ability to build consensus
Bachelor’s Degree required from an accredited, not for profit university or college
A track record of commitment to prior employers
Preferred Qualifications
Experience in relational database design (MS SQL or MySQL) including performance tuning
Experience with AWS S3, AWS SQS, AWS DynamoDB, AWS OpenSearch, Redis Cache, Apache Kafka and Datadog
Experience with tools like logging frameworks, error tracking tools, or debugging tools is a plus.

What’s in it for You
When you join CoStar Group, you’ll experience 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, tuition reimbursement, and an inter-office exchange program.
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 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
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.
This position offers a base salary range of  $121,200 - $190,800  based on relevant skills and experience and includes a generous benefits plan.
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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

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