Senior Frontend Developer (f/m/d)

TN Germany; Hamburg; Vor Ort; EUR 60.000 - 80.000; Vollzeit

Zusammenfassung

A leading mobile ad platform in Hamburg is seeking a Senior Frontend Developer to join their Advertising Dashboard Team. You will build interactive applications using TypeScript and React, collaborate with various teams, and mentor junior developers. The role offers a hybrid work setup, generous vacation days, and opportunities for personal growth.

Leistungen

30 vacation days

Relocation bonus

In-house gym access

Flexible working hours

Qualifikationen

• 4+ years experience in frontend development.
• 2+ years experience with React, Angular, or Vue.js.
• Experience with SQL and different databases.

Aufgaben

• Build and maintain interactive data-rich web applications.
• Collaborate with backend developers and product designers.
• Provide mentorship to junior developers.

Kenntnisse

Frontend Development

React

SQL

Docker

Git

Tools

TypeScript

Redux

Emotion-js

JSS

Tailwind

Jobbeschreibung

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Senior Frontend Developer (f/m/d), Hamburg

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Client:

adjoe GmbH

Location:

Hamburg, Germany

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

699b11453246

Job Views:

2

Posted:

11.05.2025

Expiry Date:

25.06.2025

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Job Description:

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 theapplike group ecosystem, adjoe is home to an advanced tech stack, powerful financial backing from Bertelsmann, and a highly motivated workforce to be reckoned with.

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

The Demand Solutions department builds the core technologies to help mobile publishers acquire the right users for their apps and games. The team is proud that adjoe’s software – developed 100 percent in-house – manages, provides, and analyzes advertisements for more than 200 million daily mobile users. adjoe’s Demand Solutions department builds modern user interfaces and software and powers its analytics in the dashboard with state-of-the-art databases like Druid. All to give advertisers and account managers the insights they need. The team provides statistical data via a dashboard in order to supply our partners with valuable insights. For this we leverage machine learning models built by our BI analysts and data scientists. Besides delivering high standards, Demand Solutions remains flexible and autonomous from adjoe’s other tech teams. To develop new platform features fast, this versatile team works on adjoe’s Go backend, which feeds data to the TypeScript React frontend.

As part of the Demand Solutions team, the Advertising Dashboard team is responsible for development of User & API interfaces that we provide for our internal business team and external advertisers to create, launch, analyze and optimize advertising campaigns.

What You Will Do:

• Build and maintain highly interactive data-rich web applications (TypeScript React frontend).Collaborate closely with backend developers, QA, a product designer, and the Product Lead to design and implement new features while keeping an eye on appealing user interfaces.
• Leverage your understanding of data query languages (e.g. SQL) with RTK Query to create meaningful and seamless user experiences.
• Work with Docker and GitLab pipelines to facilitate Continuous Integration and Continuous Delivery (CI/CD) workflows.
• Make our data speak by creating stunning data visualizations.
• Enable our Business teams to effortlessly drill into data.
• Provide junior developers with mentorship in best practices.
• Work with extensive unit testing and Cypress E2E test coverage.
• Reuse code in other projects via npm or yarn workspaces.

Who You Are:

• You have overall 4+ years’ experience in frontend development (ideally working on enterprise and/or analytics software)
• You have 2+ years’ experience in working with React, Angular, or Vue.js
• You have gained knowledge of working in Typescript, Redux, Emotion-js, JSS, Tailwind, or a similar framework, Git, and (ideally) Docker
• If you have worked with React, you know how to work with hooks
• You know how to reuse code in other projects via npm modules or yarn workspaces
• You know how to structure an application and make it easy to understand for other developers
• You use the entire pyramid of tests and have worked with Jest and Cypress or similar tools to implement your automated tests
• You have experience with SQL and working with different databases
• You are interested in designing and implementing features while keeping an eye on user experience
• You have a keen interest in new technologies and best-practice approaches in the market to continuously improve products
• Nice to have: You have some previous experience in a startup/scaleup

Fuel for the Journey: Benefits to Support Your Ambitions

• Invest in Your Future: Regular feedback and our development program support your growth, helping you expand your skill set and achieve your career goals.
• Easy Arrival to adjoe: From signing to settling in Hamburg, we’ve got you covered. Need a visa? No problem. Ready to build your new life and career at adjoe in Hamburg? We support every ambition—from learning German to a relocation bonus that helps you make Hamburg feel like home.
• Live Your Best Life, at Work and Beyond: We work in a hybrid setup with core office days on Monday, Tuesday, and Thursday, plus flexible working hours. Enjoy 30 vacation days, 3 weeks of remote work per year, and free access to an in-house gym with lots of different fitness classes and mental health support through our Employee Assistance Program (EAP).
• Thrive Where You Work: Enjoy the Alster lake view from our central office with top-notch equipment, fun open spaces, and a large variety of snacks and drinks.
• Join the Community! Participate in regular team and company events, including hackathons and social gatherings. We work together, and we celebrate together, too.

Skip writing cover letters. Tell us about your most passionate personal project, your desired salary and your earliest possible start date. We are looking forward to your application!

We welcome applications from people who will contribute to the diversity of our company.

Believe in better adtech and build it. That’s the adjoe manifesto. Our investment is powered by media giants Bertelsmann. Our brains are powered by our love for a challenge. Our mission is powered by building better and bolder ad technologies. And our home is in Hamburg, Germany – in the applike group. Interested in joining our growing international team?