CoStar Realty Information, Inc

RoR/JavaScript Developer

  • Job Type: Full Time
  • Industry Type: IT Sector
  • Industry Location: Ndon
  • Experience: NA
  • No. of Positions: 1
  • Primary Skills: JavaScript Developer CTO Web
  • Secondary Skills: BASIC IT
  • Job Location: Ndon, Remote
  • Posted Date: Posted today
Job Description

RoR/JavaScript Developer

Job Description

CoStar delivers real-time, verified commercial real estate data that helps clients confidently spot great opportunities and make smart choices ahead of competitors. By combining the power of CoStar's independent research organisation - the industry's largest - with global data delivery, software and application solutions, clients can act on opportunities with confidence.
Realla, part of CoStar Group, is the leading commercial property portal in the UK, with the highest traffic of any dedicated 'commercial only' portal, and the largest index of available commercial real estate. Our mission is to provide a better search experience for commercial tenants and investors, and support agents and landlords in their digital marketing efforts to drive more, better quality enquiries and decrease transaction times.
We are looking for an experienced and flexible JavaScript developer to join our engineering team. Reporting to the Realla CTO, the successful candidate will play a key role in maintaining the highest standards of code and improving site performance.
With the continuous growth of Realla, it's an exciting time to join our team. As a JavaScript Developer, you'll have the opportunity to work with cutting-edge technology with an international remit.


  • Working on the frontend of our marketplace application
  • Supporting the development of roadmap features
  • Develop in Ruby on Rails, JavaScript components and a Vue JS SPA
  • Map search
  • Managing paid search performance via google adverts
  • Suggest and implement site performance improvements in line with Core Web Vitals requirements


  • Bachelor's degree in computer science or proven experience
  • Demonstrable experience in a Rails + JavaScript role on a public facing site
  • Core: Ruby on Rails, JavaScript


  • Desirable: Webpack, Vue JS, VueX, SSR, Core Web Vitals, ElasticSearch
  • Ability to work autonomously
  • Ability to work within a fast-paced, collaborative environment
  • Bilingual: French, German and Spanish

Founded in 1987, CoStar Group is the leading provider of commercial real estate information, analytics, and online marketplaces. Our suite of online services enables clients to analyze, interpret and gain unmatched insight on commercial property values, market conditions and current availability. Behind some of the most well-known brands in the industry, CoStar Group includes CoStar, the largest provider of CRE research and real-time data; Realla, the UK's newest online commercial real estate marketplace; STR, the leading provider of performance benchmarking and comparative analytics to the hotel industry.
Headquartered in Washington, DC, CoStar Group maintains offices throughout the U.S. and in Europe, Canada, and Asia with a staff of over 4,300 worldwide.


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 Shard, other perks include full private medical cover and member rewards, 25 days annual leave, a competitive pension, season ticket loans, birthday lunches and much more! Take a look at our Instagram Page @CoStarSocial to find out 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 -people of all ages, gender identity, 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 Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

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