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Senior UI Engineer (Javascript, React.js, Redux)

Senior UI Engineer (Javascript, React.js, Redux)

Job Locations 
US-NY-New York

More information about this job


MediaMath’s strength is in numbers.  Our technology analyzes 200 billion customer opportunities daily– more volume than the top 10 stock exchanges in the world, combined. 

Over 700 Mathletes in 16 global offices are trusted by two-thirds of the Fortune 500 and partner with thousands of marketers to ensure brands connect with right audiences, in the right place, in the right time.


We believe consumers want to have meaningful conversations with their favorite and yet-to-be-discovered brands across all digital touchpoints. Our omnichannel, integrated programmatic platform unites digital media and big data to maximize the return on every marketing dollar spent by making advertising relevant, personalized, measurable and controllable.   From inventing the DSP category in 2007 to being named a DMP Forrester Challenger (our first year participating in the DMP Wave!) in 2017, we continue to deliver results for marketers more quickly and accurately than any other solution. 

Technology is changing the way brands interact with consumers.  MediaMath is powering that change.  Come be a part of it!



We're currently seeking a UI Engineer in the area of API development. Key responsibilities for this role include but are not limited to:


  • Work in an agile team on React/Redux/Go API and microservices architecture to build a market module in MediaMath's TerminalOne platform.
  • Implement, test, deploy and monitor scalable API services and UI front-end for complex workflows.
  • Create elegant, testable, and maintainable software using TDD.
  • Collaborate with product managers and team members to gather requirements, design, and develop solutions.
  • Participate in software design meetings and analyze user needs to determine technical requirements.
  • Provide support for day-to-day operational work as needed.



  • BS/MS degree in computer science, related degree, or equivalent relevant experience
  • 5+ years of professional software development experience.
  • Experience developing modern enterprise or REST applications using languages like Go/Python/Scala is a plus but not required
  • Knowledge of RDBMs like PostgreSQL/MySQL, data modeling, SQL tuning and optimization.
  • Familiarity with NoSQL data stores like DynamoDB, Elasticsearch, Redis, Memcache.
  • Knowledge in build automation, TDD/BDD, CI/CD
  • A self-starter who brings energy, passion and creativity to work every day.
  • GitHub (or similar) account for us to know you better.


MediaMath is privately held, employee owned, and headquartered in New York. Mathletes enjoy: Company equity. Performance Bonus. Comprehensive Insurance. Global Internal Mobility. Open Paid Time Off, Philanthropy and Holidays. 401(k) match. Paid Parental Leave. Cell Phone Reimbursement. Modern office space. Onsite Fitness & Wellness.