Lead Software Developer, Costar Group - London

CoStar; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading real estate information provider in London is looking for a Lead Software Developer. You will develop robust, efficient applications using C#, .NET, and SQL Server while engaging with a collaborative culture. The ideal candidate has over 5 years of experience in .NET development and strong SQL skills. This role offers competitive benefits including private medical coverage, dental cover, and generous leave.

Benefits

Full private medical cover

Dental cover

Life Assurance

Generous annual leave

Qualifications

• 5+ years of .NET development (C#) experience, including Web API.
• 3+ years of experience with SQL Server, writing SQL queries, and ETL.
• Expertise in database design and complex T-SQL programming.

Responsibilities

• Understand business drivers for software development.
• Involvement in design, architecture, and development activities.
• Collaborate with QA to ensure software quality.

Skills

C# development

.NET Framework

SQL Server

Python

Data pipeline engineering

Education

Bachelor’s Degree or equivalent experience

Tools

.NET Core

AWS

Databricks

Job description

Lead Software Developer, Costar Group - London

Job Description

COSTAR GROUP – LEAD SOFTWARE DEVELOPER - LONDON

OVERVIEW

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.

CoStar is the global leader in commercial real estate information, analytics and news. Commercial Real Estate industry professionals around the globe use CoStar to access the most comprehensive data to make decisions with confidence. CoStar delivers immediate, verified commercial real estate information on over 5.9 million properties across every market. Learn more about CoStar.

RESPONSIBILITIES

• Deeply understand what drives the business for which you are building software. We firmly believe that what separates a good developer from a great one is a deep understanding of the business that they are supporting.

• Hands‑on involvement in design, architecture, and development activities in the creation of applications ranging 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. (Our customers are not beta testers.)

• Act as a key member of the product launch team and work closely to DevOps to resolve operational issues.

• Deliver work products that meet specifications, are free of defects, and have optimal performance.

• Take an active role in mentoring other developers.

QUALIFICATIONS

• Bachelor’s Degree or equivalent experience.

• A track record of commitment to prior employers.

• 5+ years of .NET development (C#) 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.

• Facilitate discussions among developers to exchange ideas and introduce innovative technologies.

• Evaluate emerging technologies to identify opportunities, trends, and best practices that can be leveraged to strengthen CoStar’s technology platform and development practices.

• Experience with .NET Core, Python, Jupyter, Notebook, AWS and NoSQL databases.

• Experience with Databricks and Lakehouse architecture.

WHAT’S IN IT FOR YOU?

Working at CoStar Group means you'll enjoy a culture of collaboration and innovation that attracts the best and brightest across a broad range of disciplines. As well as having an outstanding working environment based in the Blue Fin or one of our key UK-wide hubs. Other perks include full private medical cover, dental cover, Life Assurance and member rewards, 28 days annual leave, a competitive pension, season ticket loans, enhanced maternity and paternity pay and much more!

At CoStar, we recognise the positive value of diversity and promote equality. We aim at all times to recruit the person who is most suited to the job and welcome applications from people of all backgrounds – men and women, people of all ages, sexual orientations, nationalities, religions and beliefs. However, we particularly encourage applications from women, disabled and Black, Asian and Minority Ethnic (BAME) candidates, as these groups are underrepresented throughout the commercial real estate industry

#CoStar

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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