Senior Frontend Developer (f/m/d)

adjoe is a leading mobile ad platform developing cutting-edge advertising and monetization solutions that elevate its app partners’ businesses. Part of the applike group ecosystem, adjoe boasts an advanced tech stack, strong financial backing from Bertelsmann, and a motivated workforce.

Meet Your Team: Advertising Dashboard Team (part of the Demand Solutions team)

The Demand Solutions department develops core technologies to help mobile publishers acquire the right users for their apps and games. This team manages, provides, and analyzes advertisements for over 200 million daily mobile users, using in-house software, modern user interfaces, and analytics powered by state-of-the-art databases like Druid. They leverage machine learning models created by BI analysts and data scientists, working on adjoe’s Go backend to feed data to the TypeScript React frontend, while maintaining flexibility and autonomy from other tech teams.

As part of this team, the Advertising Dashboard team develops User & API interfaces for our internal business team and external advertisers to create, launch, analyze, and optimize advertising campaigns.

What You Will Do:

1. Build and maintain interactive, data-rich web applications (TypeScript React frontend). Collaborate with backend developers, QA, designers, and product leads to implement new features with appealing UIs.
2. Utilize your understanding of data query languages (e.g., SQL) with RTK Query to create seamless user experiences.
3. Work with Docker and GitLab pipelines to facilitate CI/CD workflows.
4. Create compelling data visualizations to make data speak.
5. Enable business teams to drill into data effortlessly.
6. Mentor junior developers in best practices.
7. Implement extensive unit testing and Cypress E2E test coverage.
8. Reuse code across projects via npm or yarn workspaces.

Who You Are:

1. You have 4+ years of experience in frontend development, ideally with enterprise or analytics software.
2. You have 2+ years of experience with React, Angular, or Vue.js.
3. You are familiar with Typescript, Redux, Emotion-js, JSS, Tailwind, Git, and ideally Docker.
4. If experienced with React, you know how to work with hooks.
5. You can reuse code in projects via npm modules or yarn workspaces.
6. You understand how to structure applications for clarity and maintainability.
7. You use the full testing pyramid, with experience in Jest and Cypress or similar tools.
8. You have SQL experience with various databases.
9. You are interested in designing features with a focus on user experience.
10. You keep up with new technologies and best practices to improve products.
11. Nice to have: Experience in a startup or scaleup environment.

Benefits to Support Your Ambitions:

• Invest in Your Future: Feedback and development programs to support your growth.
• Easy Arrival to adjoe: Assistance with visas, relocation bonuses, and settling into Hamburg.
• Work-Life Balance: Hybrid setup, flexible hours, 30 vacation days, remote work, gym access, and mental health support.
• Work Environment: Central office with lake views, top equipment, open spaces, snacks, and drinks.
• Community: Regular team and company events, hackathons, and social gatherings.

Skip writing cover letters. Share your most passionate personal project, your desired salary, and your earliest start date. We look forward to your application!

We welcome applicants who contribute to our company's diversity.

Your Work-Life Upgrade

• Quarterly team adventures
• Monthly company feasts
• Up to €7000 for referred friends
• Discounted city commute
• Continuous development investments

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