Senior Frontend Developer (React)

TL;DR

Senior Frontend Developer (React): Building and optimizing data-rich dashboards for a high-throughput adtech platform with an accent on performance, maintainability, and complex data visualization. Focus on translating partner configurations into actions across 100+ microservices and ensuring high precision for 770 million annual users.

Location: Hybrid role based in Hamburg, Germany (relocation support provided).

Company

hirify.global is a global leader in rewarded advertising, building technologies that power mobile app growth and monetization for over 770 million users.

What you will do

• Develop and maintain high-throughput dashboards for campaign management and analytics.
• Translate complex partner configurations into actions across 100+ downstream microservices.
• Build data-rich interfaces that allow business teams to analyze billions of daily events.
• Collaborate with backend teams to integrate APIs using TypeScript and React.
• Mentor junior developers and promote best practices in code structure and maintainability.
• Implement robust testing strategies using Jest and Cypress to ensure system reliability.

Requirements

• 4+ years of experience in frontend development, including 2+ years with React.
• Strong proficiency in TypeScript, Redux, and CSS-in-JS solutions like Emotion or Tailwind.
• Experience with SQL and data visualization in enterprise or analytics software.
• Proven track record of writing unit and E2E tests as part of the development lifecycle.
• Experience with CI/CD pipelines, Docker, and GitLab.
• Ability to structure applications for maintainability and code reuse.

Nice to have

• Startup or scaleup experience.

Culture & Benefits

• Work on infrastructure impacting hundreds of millions of users globally.
• Collaborate within a diverse, international team from over 40 countries.
• Fast-paced environment with frequent shipping cycles.
• Relocation support to Hamburg, Germany.
• Focus on open communication and direct problem-solving.