Senior Frontend Developer (f/m/d)

Join to apply for the Senior Frontend Developer (f/m/d) role at adjoe

adjoe is a leading mobile ad platform developing cutting-edge advertising and monetization solutions that take its app partners’ business to the next level. Part of the applike group ecosystem, adjoe is home to an advanced tech stack, powerful financial backing from Bertelsmann, and a highly motivated workforce.

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

The Demand Solutions department builds core technologies to help mobile publishers acquire the right users for their apps and games. The team manages, provides, and analyzes advertisements for over 200 million daily mobile users, developing modern user interfaces and powering analytics with databases like Druid. They leverage machine learning models and work on adjoe’s Go backend and TypeScript React frontend.

As part of this team, the Advertising Dashboard team develops User & API interfaces for internal teams 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).
2. Collaborate with backend developers, QA, designers, and product leads to design and implement features with appealing interfaces.
3. Utilize data query languages (e.g., SQL) with RTK Query for seamless user experiences.
4. Work with Docker and GitLab pipelines for CI/CD workflows.
5. Create compelling data visualizations to make data speak.
6. Enable business teams to drill into data effortlessly.
7. Mentor junior developers in best practices.
8. Implement extensive unit and E2E testing with tools like Jest and Cypress.
9. Reuse code across projects via npm or yarn workspaces.

Who You Are:

1. 4+ years of frontend development experience, preferably in enterprise or analytics software.
2. 2+ years of experience with React, Angular, or Vue.js.
3. Proficiency in Typescript, Redux, Emotion-js, JSS, Tailwind, Git, and ideally Docker.
4. Experience with React hooks, application structuring, and code reuse via npm/yarn.
5. Knowledge of testing frameworks like Jest and Cypress.
6. Experience with SQL and databases.
7. Interest in user experience design and new technologies.
8. Nice to have: startup or scale-up experience.

Benefits:

• Career growth support through feedback and development programs.
• Relocation assistance, visa support, and settling-in services in Hamburg.
• Hybrid work setup, flexible hours, 30 vacation days, remote work options, and gym access.
• Beautiful office views, open spaces, snacks, and social events.

Skip cover letters—share your passion projects, salary expectations, and earliest start date. We value diversity and welcome all applicants.