Fullstack Engineer

Job Description Who We Are

Horizon Media, founded in 1989 by Bill Koenigsberg, is recognized as one of the most innovative marketing and advertising firms. We are headquartered in New York City, with offices in Los Angeles and Toronto. A leader in driving business solutions for marketers, Horizon is known for its highly personal approach to client service. Renowned for its incredible culture, Horizon is consistently named to all the prestigious annual Best Places to Work lists published by Fortune, AdAge, Crain’s New York Business and Los Angeles Business Journal.

Together we are building a place of belonging. At Horizon, we understand the value that different perspectives can bring to our clients and culture, so we strive for an environment where our employees feel welcomed, safe and empowered. We value YOU and believe that your authentic voice and unique perspective allows us to create a more rewarding culture, and experience, together.

Our simple recipe for success? We hire talented people (thinkers, doers, dreamers, makers), challenge them and give them every opportunity to grow.

As a Junior Frontend Software Engineer, you will be responsible for developing and maintaining modern React-based user interfaces while collaborating with senior engineers to build scalable web applications.

• Front-End Application Development:
  Develop and maintain modern front-end applications using React.js and Type Script
• Build reusable, responsive user interface components using HTML5 and CSS3
• Consume REST APIs using Axios or Fetch and display API data within the application
• Work with JSON data structures and integrate backend services into the UI
• Collaborate with senior engineers to implement new features and enhancements

• Implement front-end functionality using asynchronous programming patterns including Promises and async/await
• Debug application issues using browser developer tools
• Participate in code reviews and incorporate feedback from senior engineers
• Collaborating with cross-functional teams in an Agile development environment
• Learn and contribute to modern front-end development practices

• Write clean, maintainable, and well-documented code
• Use Git for source control, including branching, merging, pull requests, and collaboration
• Follow established coding standards and engineering best practices
• Participate in testing, debugging, and issue resolution
• Continuously developing technical skills and contributing to team knowledge sharing

• Bachelor's degree in Computer Science or related field
• 1-3 Years professional experience developing front end applications
• Strong understanding of React.js, JavaScript (ES6+), HTML5, CSS3
• Experience with Typescript
• Experience consuming REST API’s using Axios or Fetch
• Comfortable working with JSON data and API responses
• Understanding of asynchronous programming, such as promises, async/await
• Familiarity with common data structures including Arrays, objects, maps, sets
• Experience with common Git commands such as push, pull, merge, fork, clone
• Basic debugging skills using browser developer tools

• Experience with Next.js
• Experience with Tailwind
• Experience with Claude Code/Codex
• Understanding of micro frontend architecture
• Understanding of module federation
• Experience with AWS Amplify/ Cubernetes/Docker
• Experience working in an Agile environment
• Understanding of responsive design

• React.js
• Typescript
• JavaScript ES6+
• HTML5
• CSS3
• REST APIs
• AWS/GCP
• Git

• Next.js
• Tailwind
• Python
• Experience working with the business users or stakeholders to build and test UI components
• Experience with integrating Data lakes and platforms such as Databricks…