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Adcash

Full-Stack JavaScript Developer

Adcash

Full-Stack JavaScript Developer creating innovative ad tech solutions with a global team. Focused on both client and server environments to build and optimize ad rendering technologies.

Posted 5/3/2026full-timeSofia • 🇧🇬 BulgariaJuniorMid-LevelWebsite

Tech Stack

Tools & technologies
DockerJavaScriptKubernetesLinuxNode.jsPuppeteer

About the role

Key responsibilities & impact
  • Build and implement JavaScript code for rendering ad formats on third-party sites
  • Work with Node.js and Puppeteer to deliver, test, and optimize ad solutions
  • Use browser APIs (DOM manipulation, fetch, WebGL, sessionStorage, IndexedDB) to collect and process data
  • Troubleshoot and debug issues across both client and server environments
  • Optimize code and workflows for performance and reliability
  • Collaborate with cross-functional teams to integrate ad solutions seamlessly
  • Contribute to automation and deployment using tools like Docker, Kubernetes, and bash scripting
  • Work on advanced detection and prevention techniques to distinguish real users from bots
  • Maintain and optimize high-performance ad rendering solutions, including video formats (VAST)
  • Develop tools to ensure ads display reliably, even in challenging environments
  • Stay current with modern web technologies and bring fresh ideas to the team

Requirements

What you’ll need
  • 2+ years of professional JavaScript development experience
  • Bachelor’s degree in Computer Science (or equivalent hands-on experience)
  • Deep understanding of web technologies, including DOM manipulation and modern web APIs
  • Experience with both browser-side and server-side JavaScript
  • Strong attention to detail, ensuring precision when working with product requirements and technical implementations
  • Confident working in a Linux environment and using the terminal as part of daily development
  • Ability to pick up new tools and technologies quickly
  • Comfortable working without reliance on frameworks when needed
  • Fluent in English

Benefits

Comp & perks
  • Comprehensive health insurance coverage
  • MultiSport membership to support your well-being
  • Dedicated learning budget for courses, conferences, or books
  • Additional vacation days based on years of service
  • Shuttle program with opportunities to work from our other offices
  • Team events and activities to connect and have fun together
  • Flexible work options – on-site or remote

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
JavaScriptNode.jsPuppeteerDOM manipulationWebGLsessionStorageIndexedDBDockerKubernetesad rendering
Soft Skills
attention to detailcollaborationadaptabilityproblem-solvingcommunication
Certifications
Bachelor’s degree in Computer Science