Senior Front-End Developer

Company Description

AdStart Media (www.adstartmedia.com) is a technology-driven company active in digital advertising and mobile payments, well-established and rapidly expanding globally. As a global organization, we take pride in our partnerships with renowned international brands, esteemed publishing houses, media buyers, and innovative app developers. Our culture is characterized by youthfulness, a spirit of collaboration, and a vibrant social atmosphere.

At our core, we embody a performance-driven ethos, firmly believing that meaningful connections are the catalysts for growth. We highly value diverse perspectives and opinions, as they play a pivotal role in making a substantial impact during our rapid expansion phase.

Job Description

We are looking for an experienced Senior Front-End Developer. This role is ideal for a technically strong and creative developer who can design scalable front-end architectures, ensure automation test readiness, and work closely with designers, back-end engineers, and business teams.

YOUR MAIN DUTIES

• Lead the design and implementation of front-end applications using Next.js/ReactJS and modern web technologies.
• Build, optimize, and maintain landing pages, CMS-driven sites, and CRM dashboards.
• Translate design mockups from Figma/Zeplin/Photoshop into responsive and performant code.
• Define and implement front-end architecture that supports automation testing and CI/CD.
• Integrate with RESTful APIs and back-end systems, ensuring performance and reliability.
• Maintain and extend existing WordPress/PHP-based sites as needed.
• Mentor junior developers and ensure code quality, maintainability, and documentation.

Qualifications

• Experience: 5+ years in front-end web development.4
• Core Skills: HTML, CSS, JavaScript, TypeScript, ReactJS, Next.js.
• Additional Knowledge:
  • Basic understanding of PHP and WordPress integration.
  • Strong skills in API integration, authentication, and data-driven interfaces.
  • Experience with unit testing frameworks (Jest, Jasmine, or Testing Library).
  • Understanding of Agile/Scrum, Git workflow, and CI/CD pipelines.
• Architecture: Able to design scalable, maintainable front-end systems with test automation readiness.
• Nice to Have:
  • Experience with Java or microservice-based environments.
  • Knowledge of carrier value-added services (VAS), telecom billing, or subscription platforms.
  • Experience with AWS infrastructure.
• Soft Skills:
  • Strong ownership, attention to detail, and communication.
  • Ability to mentor and lead junior developers.
  • Proactive and solution-oriented mindset.

Additional Information

• An environment with high energy, flat hierarchy, positive attitude, and growth you would expect from a startup coupled with all of the security and benefits of an established company
• Competitive salary and flexible work life balance
• Paid annual leave and sick leave
• Fun team building activities including annual company trip, parties and other benefits
• An inclusive environment of friends who happen to work together
• And much more