Senior Front End Developer (HTML/CSS/JavaScipt)

Job Details:-

This is a job posting from company – CoStar Group

Employment TypeFull Time

Work Hours: 8

Salary: $20 To $30/An Hour

Location: California, USA

This job is 100% remote.

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Senior Front End Developer (HTML/CSS/JavaScipt)


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 organization – the industry’s largest – with global data delivery, software, and application solutions, clients can act on opportunities with confidence.

As a Senior Front-end/UI Developer, you will be responsible for implementing and supporting products and features within CoStar Group’s authentication and security platform, as leveraged across major brands such as CoStar, LoopNet,, and more. As part of the Platform and Auth Services team, your goal will be to provide a streamlined and approachable user experience to security.

This position is in our La Jolla, CA offices and is a hybrid work role with 3 days on-site and 2 days remote. Work weeks with a four 10-hour-day and 3-day weekend schedule are also available, if interested.


Work with back-end developers to implement security-based flows using a combination of traditional forms and SPAs

Design and maintain a themeable and customizable UI template to support multiple brands

Advocate standards-driven technology and best practices

Evaluate emerging technologies and seek continual improvement and refinement


2 years professional front-end development experience

Strong hand-coding ability with JavaScript

Experience with SPAs and HTML templating libraries

Fluent knowledge of latest HTML5/CSS3 standards and best practices

Experience with CSS preprocessors like LESS or SASS

Clear understanding of browser and device differences/limitations

Experience with browser-based development tools

Strong verbal and written communication skills

Bachelor’s Degree, Computer Science or relevant field


Experience with storybook development practices

Experience with design and wireframe tools, such as InVision or Figma

Experience in the .NET environment a plus

About the Company:

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; LoopNet, the most heavily trafficked mobile and online real estate marketplace; , the premier rental home resource for renters, property managers and owners; STR, the leading provider of performance benchmarking and comparative analytics to the hotel industry; BizBuySell, the largest online marketplace for businesses-for-sales; and Lands of America, the leading operator of online marketplaces for rural real estate.

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. In addition to generous compensation and performance-based incentives, you’ll be supported in both 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

Commuter and parking benefits

401(K) retirement plan with matching contributions

Employee stock purchase plan

Paid time off

Tuition reimbursement

Parental leave

Be part of a team of professionals enjoying the opportunity to learn, do, and grow in a rewarding atmosphere. But don’t just take our word for it — see why our team chose to work at and stay at CoStar Group:

We welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar is not able to provide visa sponsorship for this position

#LI-IZ1 #LI-Hybrid


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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