CoStar Group

Frontend Engineer - BizBuySell - San Francisco

CoStar Group • $125K — $172K *
San Francisco, CA 94112In-Person
Information Technology
Less than 5 years of experience
6 days ago
Job Overview by Ladders

Qualifications

  • Bachelor's degree from an accredited university or college
  • Strong working knowledge of modern web technologies (HTML5, CSS, JavaScript)
  • Experience with a modern SPA framework (Angular, Vue) and TypeScript
  • Proven ability to write clean and maintainable code
  • Experience working in an Agile development environment
  • Excellent communication and collaboration skills
  • A track record of commitment to prior employers.

Responsibilities

  • Design, develop, and support high-traffic web applications using ASP.NET Core MVC and frontend technologies such as Angular and TypeScript.
  • Build responsive and accessible interfaces that work reliably across various browsers and devices.
  • Lead the establishment of architectural best practices and mentor junior team members.
  • Analyze requirements to architect new components and web pages.
  • Implement product features and continuously improve code quality and specifications.
  • Participate in code reviews, source control management, and testing processes.
  • Take ownership of tasks and deliver solutions from concept to implementation.

Benefits

  • 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 or reimbursed fitness center membership costs
  • Access to Employee Resource Groups
  • Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and healthy snacks.
Full Job Description
Frontend Engineer - BizBuySell - San Francisco


Job Description


BizBuySell operates the internet's largest and most heavily trafficked business for sale marketplaces, with more business listings, more unique users, and more leads delivered than any other platform. Our customers include small business buyers, sellers, owners, brokers, and others who need our information and services to help them buy or sell a business or franchise.  Buying and selling a business is time consuming and arduous process. We are on a mission to automate that complex process into easy and manageable one for both sellers as well as buyers. This role is central to building compelling experience in our platform with native support to multiple languages, currencies, and locale preferences. 

BizBuySell is looking for a Frontend Engineer who is passionate about building intuitive, high-performance web experiences that simplify the complex process of buying and selling a business for both buyers and sellers.

Learn more about BizBuySell - www.bizbuysell.com

This positionis located inSan Francisco and is 5 days onsite. 

Responsibilities:

  • ​Design, develop, and support high-traffic, real-time web applications using ASP.NET Core MVC on the backend and Angular, Vue, TypeScript, HTML5, CSS, and JavaScript on the frontend, ensuring they are performant, maintainable, and reusable.

  • Build responsive, accessible (WCAG-compliant) interfaces that work reliably across browsers and devices.

  • Lead inestablishingarchitectural best practices and mentorjunior team members

  • Analyze technical requirements and architect new components and web pages.

  • Implement product features, refine specifications, and continuously improve code quality.

  • Apply software design patterns and best practices for building reusable and maintainable code.

  • Participate in code reviews, source control management, build automation, and testing processes.

  • Take ownership of assigned tasks and deliver solutions from concept to implementation.  

  • Collaborate with engineers, product managers, and business partners on product design, feature development and delivery.

  • Gain a deep understanding of the company's business domain and products.

Basic Qualifications: 

  • Bachelor's degree from an accredited, not-for-profit, in-person University or College

  • A track record of commitment to prior employers. 

  • Strong working knowledge of modern web technologies (HTML5, CSS, JavaScript). 

  • Experience with a modern SPA framework (Angular, Vue, etc.) and TypeScript. 

  • Proven ability to write clean, maintainable, and well-documented code. 

  • Experience working in an Agile development environment. 

  • Excellent communication and collaboration skills. 

Preferred Qualifications:

  • Experience building and deploying web applications to a cloud platform (AWS, Azure).

  • Experience with relational databases (e.g., SQL Server, MySQL).

  • Experience with software testing frameworks (e.g., Jest, Mocha).

  • Deep understanding of software design patterns and principles.

  • Experience inmicroservices architectures.

  • Experience mentoring junior developers.

  • Effective use of AI-assisted development tools (e.g., Claude Code, Copilot) to accelerate delivery whilemaintainingstrong code quality and architectural judgment.

What’sin 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 and tuition reimbursement.

  • 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)

  • Access to CoStar Group’s Employee Resource Groups

  • Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks

The final salary or hourly rate offered for this role will fall within the range set forth below based on a variety of factors, including but not limited to, geographic location, skills, and competencies.


Base Compensation: $125,000 - $172,000


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

#LI-AV1

#BizBuySell


About CoStar Group

CoStar Group is a provider of information, analytics and marketing services to the commercial property industry in the United States, Canada, the United Kingdom, France, Germany, and Spain. Founded in 1987 by Andrew C. Florance, the company has grown to include online database CoStar and many online marketplaces, including Apartments.com, LoopNet, Lands of America, and BizBuySell. CoStar Group was founded in 1987 by Andrew C. Florance in Washington, D.C. In 1998, the company became a public company via an initial public offering on the NASDAQ, raising $22.5 million. In 2004, CoStar Group, Inc. v. LoopNet, Inc. became a landmark case in copyright law. In October 2009, the company acquired a building in Washington, D.C., now its headquarters, from the Mortgage Bankers Association for $41.3 million. The building had sold 2 years earlier for $79 million and the company claims it used its analytics data to know the right time to buy. In April 2012, CoStar Group acquired LoopNet for $860 million. In April 2014, the company acquired Apartments.com for $585 million. In April 2015, the company acquired Apartment Finder for $170 million. In July, the company acquired Belbex an online marketplace and information provider for commercial property based in Spain. In February 2017, the company acquired Westside Rentals. In February 2018, the company acquired ForRent.com from Dominion Enterprises for $350 million in cash and $35 million in stock. In October, the company acquired Realla.co an online marketplace for commercial property based in the United Kingdom. In November, the company acquired Cozy Services for $68 million.
Learn more about CoStar Group
Size
4,742 employees
Market Cap
$31.3 billion
Industry
Information Technology
Net Income
$227.1 million
Founded
1987
5 Year Trend
+18.3%
Revenue
$1.6 billion
NASDAQ
CSGP
* Ladders Estimates

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