Senior Frontend Developer
Description For Senior Frontend Developer
adjoe, a pioneering force in mobile advertising technology, is seeking a Senior Frontend Developer to join their Advertising Solutions team in Hamburg. The role offers an exciting opportunity to work on high-performance systems processing massive datasets for over 600 million users worldwide. The company, backed by a $100M investment from Bertelsmann, specializes in AI-powered advertising solutions including Playtime and Arcade.
The position involves building sophisticated data-rich web applications using TypeScript and React, working closely with a cross-functional team to create intuitive dashboards and visualization tools. You'll be handling complex data operations, implementing advanced algorithms, and maintaining high-performance systems that process 2B requests daily.
The ideal candidate brings 4+ years of frontend development experience, with deep expertise in React and modern web technologies. You'll need strong skills in TypeScript, testing frameworks, and database operations. The role offers significant growth opportunities through regular feedback and development programs.
Benefits include a flexible hybrid work arrangement, generous vacation policy, mental health support, and relocation assistance for international candidates. The modern office, located with a view of the Alster lake in Hamburg, provides an inspiring work environment with various amenities including an in-house gym.
This role is perfect for a senior developer who wants to make a significant impact in the adtech industry while working with cutting-edge technologies and massive scale data operations. The position offers both technical challenges and leadership opportunities, including mentoring junior developers and shaping the future of mobile advertising technology.
Responsibilities For Senior Frontend Developer
- Build and maintain highly interactive data-rich web applications using TypeScript React
- Collaborate with backend developers, QA, product designer, and Product Lead
- Create data visualizations and implement features with focus on user experience
- Work with Docker and GitLab pipelines for CI/CD workflows
- Mentor junior developers in best practices
- Implement unit testing and Cypress E2E test coverage
- Create reusable code components via npm or yarn workspaces
Requirements For Senior Frontend Developer
- 4+ years experience in frontend development
- 2+ years experience with React, Angular, or Vue.js
- Experience with TypeScript, Redux, Emotion-js, JSS, Tailwind
- Knowledge of Git and Docker
- Experience with React hooks
- Knowledge of code reusability via npm modules or yarn workspaces
- Experience with Jest and Cypress for automated testing
- SQL and database experience
- Strong understanding of application structure and maintainability
Benefits For Senior Frontend Developer
- Regular feedback and development program
- Visa sponsorship and relocation support
- 30 vacation days
- 3 weeks remote work per year
- Hybrid work setup with core office days
- In-house gym with fitness classes
- Mental health support through EAP
- Office with Alster lake view
- Regular team and company events
- Flexible working hours
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