Senior Software Engineer (C#/.NET), CoStar - London

at  CoStar Group

QUALIFICATIONS

• 5+ years of C#/.NET development experience, including cross-platform communication technologies such as Web API
• 3+ years of experience with SQL Server, writing SQL queries, data matching/cleansing/enriching as well as ETL/data pipeline engineering
• A demonstrable track record of building and launching successful products that leverage terabytes of data
• Ability to analyse technical requirements and design new architectures, data models and ETL strategies.
• Expertise in database design, complex T-SQL programming, performance tuning and index analysis
• Hands-on experience with cloud-based relational and non-relational databases
• Willingness to take an active role in mentoring other developers is a strength
• Experience with Python, Databricks, Spark and/or Lakehouse architecture is a strong plus

ROLE DESCRIPTION

CoStar is deeply committed to delivering high-performing applications that can change the way our customers use commercial real estate data. Every day customers use our data and products to make multi-million-dollar investment decisions. We are growing rapidly and searching for experienced C#/.NET engineers who can take us to the next level.

RESPONSIBILITIES

• Develop a deep understanding of what drives the business you are building software for, as we firmly believe this is what separates a good engineer from a great one
• Hands-on involvement in design, architecture and development activities, creating applications that range the entirety of the research process
• Work on big, distributed, API-driven systems that operate on massive amounts of data in high transaction volume applications for tens of thousands of users, while producing bullet-proof code that is robust, efficient and maintainable; our primary tools are C#, .NET Framework, Python, JSON, SQL Server, AWS and Databricks
• Collaborate with your QA resources to ensure that the software you deliver is of the highest quality
• Act as a key member of the product launch team and work closely with DevOps to resolve operational issues