As a JavaScript Engineer at GumGum, you’ll build and maintain our main ad server client that is used on thousands of publisher sites. You’ll create and implement new features and services, as well as improve existing code.

You are skilled at writing both vanilla JavaScript and using new libraries and packages. You’re using ES6 and are comfortable with building tools. You enjoy working in a highly collaborative environment, sharing, and contributing to our team’s collective knowledge, processes and code implementations.

Responsibilities

Design, develop, and maintain new features and improvements for GumGum’s Ad Server JavaScript library
Implement tests, ensuring proper functionality and graceful degradation on multiple browsers
Support and troubleshoot implementations of the script on publisher sites
Collaborate with a variety of teams including Big Data, DevOps, Product, and Publisher Development

Minimum Qualifications

At least three years of JavaScript experience
Core understanding of JavaScript, including ES6 and modern building tools
Extensive knowledge of Web technologies like HTTP protocol, CDNs and server-side cache techniques
Extensive experience working directly with the DOM and BOM, cross-frame communication and code injection and execution.
Knowledge of HTML5 and CSS3 features, polyfills and graceful degradation
Extensive experience with Cross-browser compatibility and browser developer tools
Experience with embedded 3rd party scripts
Experience with Git, automation tools and command-line style of work
Strong communications skills and customer service attitude

Preferred Qualifications

Server-side JS
Interest in functional programming
Experience with TDD, Unit test and UI test software, headless software
Interest and experience in web and mobile advertising

Benefits & Perks

Competitive health, vision and dental benefits
Healthcare and dependent care FSA
Employer-matched 401(k) plan
Stock incentive program
Paid parental leave
Commuter Benefits
Fitness reimbursement and wellness workshops
Discounted Pet Health Program
Flexible time off and work schedule
Incredible work/life balance with a collaborative and friendly work space
GumGum Gives Back volunteering opportunities
Team building lunches and events, and monthly company celebrations

Career & Personal Development Focus

Ongoing learning and development for education opportunities such as webinars, books, classes, relevant conferences and events
Opportunities to pursue business related side projects and yearly Hackathon
Highly encouraged to contribute to open source software, including our own open source software
Environment of learning from peers, including meetups, presentations and blog posts
Opportunity to work with cutting edge technology
Life Skills sessions - geared towards the whole life/health/person
Leadership Bites Dinner Series - connecting current and future GumGum leaders over great food and meaningful conversation

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We invite you to learn more about GumGum!

Our Team...
GumGum is an AI company with expertise in computer vision built on the imagination of its people. Each day, our talented team of thinkers and doers comes together to solve hard problems on behalf of the world’s most successful businesses. Through a combination of computer science, creativity and hustle, we’ve produced a series of major technology breakthroughs across a variety of industries - from advertising to sports.

Our Tech...
GumGum is constantly evolving to be at the forefront of computer vision and machine learning advancements. With nearly 10 years experience, we use our proprietary image recognition technology to deliver highly engaging, contextually relevant ad experiences across premium publishers all over the world.

Our Products & Services...
Our Advertising business serves contextual marketing messages in line with content users are actively engaged with.

Our Sports business helps marketers and rights holders understand the full media value of their sponsorship investments across broadcast and social media. And we deliver on brand safety by leveraging our AI to detect unsafe text and imagery, allowing us to deliver ads in brand safe, contextually relevant environments.

Our Hackathons...
What’s a Hackathon? We’re glad you asked. Our employees split into teams and spend 48 hours ‘hacking’ together before presenting their ideas to our executive team. It’s a chance for anyone within our company to showcase the visions they want to bring to fruition.

Our Culture...
GumGum recently earned LA’s Best Places to Work Award, and it’s no surprise why. With company-sponsored social hours, annual holiday celebrations and on-site gatherings, GumGummers enjoy a fun, creative and collaborative workplace. We pride ourselves on our strong track record of giving employees the autonomy and support they need to succeed.

Oh, and doggies...
We love our dogs so much, we even have an Instagram dedicated to them! Follow us: @dogsofgumgum

GumGum is committed to providing equal opportunities. GumGum prohibits unlawful discrimination based on race, color, creed, sex, religion, marital status, registered domestic partner status, age, national origin, ancestry, citizenship status, veteran status, genetic information, physical or mental disability, medical condition including genetic characteristics, sexual orientation, gender, gender identity or expression (including transgender status), pregnancy, childbirth, or related medical conditions, or any other consideration made unlawful by federal, state, or local laws (“Protected Characteristics”). It also prohibits unlawful discrimination based on the perception that anyone has any of those characteristics, or is associated with a person who has or is perceived as having any of those characteristics.