Associate Software Engineer

Summary

Join Kargo's Creative Production Ad Tech team as an Associate Rich Media Engineer! You'll build interactive ad experiences, mini-games, and animations for digital advertising campaigns. Collaborate with designers and developers to push the boundaries of rich media advertising, integrating APIs and optimizing performance across platforms. This role requires proficiency in HTML5, JavaScript, and CSS, along with experience working with RESTful APIs. The ideal candidate will have a strong portfolio showcasing past work and a passion for innovation in rich media advertising. The position offers a competitive salary and is based in Los Angeles with a hybrid remote/in-office work model.

Requirements

• Strong portfolio (ie. Github) demonstrating past work experience
• Proficiency in JavaScript (Typescript, ES6), HTML5, and CSS
• Experience working with RESTful APIs and JSON to fetch and display dynamic data
• Ability to manage ambiguity, work autonomously, multi-task, and meet fast evolving deadlines with a curiosity and passion for building rich, new experiences
• An aptitude and honed intuition for tasteful, visual design details
• Understanding of browser performance optimizations, debugging, and responsive design principles
• A clean sense of design aesthetics and a natural propensity towards simplification over complication
• Excellent communication, presentation, interpersonal, and analytical skills; the ability to communicate complex, interactive design concepts clearly and persuasively

Responsibilities

• Develop Interactive Ad Experiences – Code and optimize rich media ads, interactive games, and animated banners using HTML5, JavaScript, and CSS3 using a variety of ad building technologies
• Hit APIs & Integrate Data – Consume third-party APIs (e.g., weather, real-time product data feeds, sports) to enhance interactivity and personalization in ad experiences
• Optimize Performance & Compatibility – Ensure fast, smooth, and cross-platform performance across different devices and browsers
• Collaborate with Designers & Marketers – Work closely with our ad designers and product teams to bring creative concepts to life
• Experiment & Innovate – Research and implement new rich media techniques and animation libraries, staying up-to-date with the latest and newest technologies
• Test & Debug – Ensure high-quality, bug-free ad executions that meet industry standards
• Develop a lean JavaScript library of reusable tools for everything from complex animations to gaming
• Collaborate with other engineering teams to help implement ad units with complex rich media interactions
• Identify and initiate investigations into new production technologies, prototype and test solutions for product features, and design and validate production designs that deliver an exceptional user experience

Preferred Qualifications

• Basic knowledge of Ad Tech (e.g., Google Ads, DV360, Celtra, Google Studio, programmatic platforms) is a plus
• Familiar with the current technical capabilities and limitations of mobile rich media, and know “what works where” across devices and desktop
• Familiarity with the full stack, Node.js, or other backend frameworks
• Familiarity with unit testing, automation testing, and quality assurance
• Familiarity with A/B testing and analytics integration is a plus

Benefits

• Salary Range: $80,000 - $110,000
• Job Location: Los Angeles, CA (3 days in office)  / Remote