Senior Engineer, JavaScript

Company: Magnite
Location: Broomfield
Posted on: May 14, 2025

Job Description:

Senior Engineer, JavaScriptBroomfield, COLos Angeles, CANew York City, NYHybrid Schedule (M/F remote, T/W/TH in-office)At Magnite, we cultivate an environment of continuous growth and collaboration. Our work impacts what millions of people read, watch, and buy, and we're looking for people to help us tackle that responsibility with creativity and focus. Magnite (NASDAQ: MGNI) is the world's largest independent sell-side advertising platform. Publishers use our technology to monetize their content across all screens and formats including CTV / streaming, online video, display, and audio. Our tech fuels billions of transactions per day!About this team:Magnite is looking for an experienced software engineer with a strong background in full stack Javascript development. We believe engineers should be at the heart of product and business decisions - not just implementation. We look for developers who are eager to work across the stack, deliver impactful features quickly, and help shape our platform in meaningful ways. We believe in an environment based on open discussions, with a "can-do" atmosphere. On this team you will have the opportunity to be an active contributor to the open source community while working with talented engineers in a fast-paced, agile development environment, on a high-profile application with a measurable revenue impact.In this role, you will:

• Participate in the design, development, testing, release, and maintenance of a core product offering as it relates to a critical open-source auctioning system (Prebid)
• Manage individual project priorities, deadlines, and deliverables with your technical expertise
• Be a creative problem-solver able to design and implement reliable and maintainable solutions to challenging problems
• Translate evolving business requirements into thoughtful, maintainable technical designs
• Write clean, production-ready code with appropriate unit and integration tests
• Balance engineering quality with the need for speed and iteration, delivering well-crafted solutions at a sustainable pace
• Support the operation of services in production
• Perform design and code reviewsWe're looking for someone with:
  • BA/BS degree in Computer Science or related technical field or equivalent practical experience
  • 4+ years of relevant work experience in software development
  • Primary development experience in Javascript with a strong understanding of performance trade-offs, the event loop, async/await/promises, functional constructs, and other advanced topics
  • Experience with Node.js and associated build/test tools (e.g., Webpack, npm).
  • Experience writing unit tests
  • A strong understanding of algorithms, data structures, and an ability to recognize the business and technical trade-offs between different solutions
  • Experience with development and CI tools like git, Jenkins, JiraNice to Have:
    • Familiarity with Linux environments and containerized development (e.g., Docker).
    • MySQL or other Relational DB experience with SQL and Table design
    • Experience building web services with other programming languages such as Java or Python
    • Experience building UIs with Javascript libraries such as React
    • Typescript
    • General Ad Technology Experience
    • Proven integration skills of prebid.js, googletag, and other relevant header bidding technologies in a production environmentPerks and Benefits:
      • Comprehensive Healthcare Coverage from Day One
      • Generous Time Off
      • Holiday Breaks and Quarterly Wellness Days
      • Equity and Employee Stock Purchase Plan
      • Family-Focused Benefits and Parental Leave
      • 401k Retirement Savings Plan with Employer Match
      • Disability and Life Insurance
      • Cell Phone Subsidy
      • Fitness and Wellness ReimbursementCompany Culture:We believe collaboration is essential to success. Magnite's hybrid schedule includes two days worked remotely (Monday and Friday) and three days on-site (Tuesday, Wednesday and Thursday). Our offices provide catered lunches, beverages, snacks, training and development, and office events to support your work week. We also understand you have appointments, families, hobbies, and other commitments. Magnite strives to maintain a healthy work/life integration for all employees so you can bring your best every day - both at work and at home.
        • Community Service and Volunteer Events
        • Company-Matched Charitable Contributions
        • Wellness Coach and Mental Health Support
        • Career Development Initiatives and a Career Growth Framework
        • Culture and Inclusion Programs
        • Bonusly Peer-to-Peer Recognition ProgramAbout Us The world's leading agencies and brands trust our platform to access brand-safe, high-quality ad inventory and execute billions of advertising transactions each month. Anchored in bustling New York City, sunny Los Angeles, mile-high Denver, historic London, and down under in Sydney, Magnite has offices across North America, EMEA, LATAM, and APAC.In Colorado, the base salary range for this position is: $130,000 - $140,000 in addition to an annual variable bonus based on performance and company equity (NASDAQ: MGNI).In New York, the base salary range for this position is: $155,000 - $165,000 in addition to an annual variable bonus based on performance and company equity (NASDAQ: MGNI).In California, the base salary range for this position is: $145,000 - $155,000 in addition to an annual variable bonus based on performance and company equity (NASDAQ: MGNI).For Los Angeles-based applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.The material job duties of this specific job position for which Magnite reasonably believes that a criminal history may have a direct, adverse, and negative relationship include:
          • Having access to the Company's Confidential Information or trade secrets including data related to customers, clients, vendors, business partners, or suppliers
          • Work with cross teams to access datasets, databases, formulas, algorithms, tools, products, prototypes, systems applications, and technologies in any stage of developmentMagnite is an Equal Opportunity Employer and does not discriminate against applicants due to race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, sexual orientation or any other federal, state or local protected class.Our Commitment: We aim to incorporate a wide range of voices into our Magnite culture, cultivating an environment where employees feel welcomed, cared for, and encouraged to freely share ideas. We are committed to employee growth, collaboration, inclusion, and innovation. We invest in Magnite's local communities. We seek talent from all backgrounds to champion corporate values of seeing the big picture and being catalysts of change.Want to learn more about us?Check out our for Magnite announcements and Ad Tech industry news!Recruiting Agency NoticeMagnite does not accept agency resumes and is not responsible for any fees related to unsolicited resumes. Required
            Preferred

            Job Industries

            • Other

Keywords: Magnite, Littleton , Senior Engineer, JavaScript, Engineering , Broomfield, Colorado