Senior Front End Engineer

OverviewCoStar 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.The Analytics team is responsible for the development of CoStar's customer-facing Real Estate Analytics products. We think big, creating innovative data-intensive applications that take the vast amount of data collected by our CoStar Research teams to create a fast, reliable and intuitive analytics platform for our customers. We are a collaborative group with a mix of big data, API/platform and front-end skills, and we are growing rapidly to help invent the future of Real Estate Analytics.We are searching for an experienced Senior Front End Engineer to join our team and drive the full-lifecycle development of this critical product.ResponsibilitiesDesigning, building, testing and deploying scalable, reusable and maintainable applications that handle large amounts of data.Taking full ownership of your work, from development and testing, to eventual deployment and support in production.Providing high-quality technical guidance and mentoring to other team membersCollaborating with other engineers, product owners, designers, and leadership.Becoming a trusted team member in matters of technical architecture, design and code.Advocating for evolution and improvement - both technical and non-technical - within our teams. Includes new tech, tools and best practices.Gaining a deep understanding of the CoStar business, including the Analytic products.Basic QualificationsBachelor's degree, preferably in Computer Science/Engineering. 5+ years of professional software development experience.Deep knowledge of modern JavaScript / TypeScript.Experience building front end frameworks using modern bundlers.Deep knowledge of HTML5, CSS3, and CSS preprocessors.Expertise with software development best practices, including standards, code reviews, source control, builds, testing and operations.Preferred Qualifications And SkillsExpertise with React ecosystem.Experience with Apollo GraphQL.Expertise configuring, maintaining, and optimizing Webpack, RollupJS, and/or Lerna Monorepo configurations.Experience with testing frameworks such as Jest, Mocha, and Chai.Expertise building common/shared JavaScript module packages.Experience with Amazon Web Services.Experience With D3 Or Other Charting Libraries.What's in it for YouWhen 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, tuition reimbursement, and an inter-office exchange program.Our benefits package includes (but is not limited to):Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription DrugLife, legal, and supplementary insuranceVirtual and in person mental health counseling services for individuals and familyCommuter and parking benefits401(K) retirement plan with matching contributionsEmployee stock purchase planPaid time offTuition reimbursementOn-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classesAccess to CoStar Group's Diversity, Equity, & Inclusion Employee Resource GroupsComplimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacksWe 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.This position offers a base salary range of $124,000 - $211,000, based on relevant skills and experience and includes a generous benefits plan.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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