Careers

Full-Stack App Developer (m/f/d)

We are looking for a talented and driven Full-Stack App Developer to take full ownership of the MOBROG application. You will be responsible for developing and maintaining both the front-end and back-end of our mobile platform, while continuously shipping high-impact features that directly drive business growth. This is a high-ownership role for someone who thrives in a fast paced environment and takes pride in building polished, scalable products.

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Arbeitsort

Hamburg, Germany/ Remote

Working Time

Full Time/ Part Time

Level

Full Ownership

This is who we are at SPLENDID RESEARCH

We are an international market research institute based in Hamburg. In our daily work, we support clients from a wide range of industries with all aspects of their market research from a single source: from conception and data collection through to in-depth analysis.

What unites us is our curiosity as researchers and our passion for results that create real value for our clients.

You are welcome to read more here about how our success story began and the milestones we have reached so far.

But we are more than just a market research institute. Our team is made up of motivated, skilled, and highly qualified people. At SPLENDID RESEARCH, bright minds from a wide variety of fields find an employer that enables them to fully develop their own potential. Innovation and creative freedom are highly valued here.

We stand for team spirit, personal responsibility, and efficiency. These values define who we are and are shared with all new Splendid colleagues from the very first moment. In addition to the right values, we offer varied, interesting, and challenging tasks, the opportunity to work in a growing team, room for your own ideas as well as further training opportunities, performance-based compensation, and many additional benefits.

Key Responsibilities

Own the end-to-end development of the MOBROG mobile app, from front-end implementation to backend architecture
Build and maintain cross-platform mobile applications using Flutter
Design and manage relational and NoSQL databases, with a strong focus on Firebase (Firestore, Authentication, Cloud Functions, Storage)
Write and optimize SQL queries and manage structured data layers
Architect and implement push notification systems (FCM and equivalent services) for user engagement and retention
Develop supporting web interfaces and internal tooling using JavaScript and modern web frameworks
Identify and deliver new app features with measurable business impact — from scoping to production
Monitor app performance, crash reporting, and analytics to drive continuous improvement
Ensure app security, data integrity, and compliance with platform guidelines (iOS & Android)
Collaborate with stakeholders to translate business requirements into technical solutions

Required Skills & Experience

Proficiency in Flutter & Dart for cross-platform mobile development
Strong knowledge of Firebase (Firestore, Auth, Cloud Functions, Hosting, FCM)
Solid SQL skills and experience with relational database design
Experience building and consuming REST APIs
JavaScript proficiency for web and backend scripting
Familiarity with push notification infrastructure and delivery systems
Experience with version control (Git) and CI/CD pipelines
Understanding of mobile app deployment on Google Play Store and Apple App Store

Nice to have

Experience with web development
Product thinking — ability to define, prioritize, and scope features
Familiarity with cloud platforms (GCP, AWS, or Azure)
Experience with app performance optimization and profiling tools

What we’re looking for

You are a self-starter who can navigate ambiguity, make smart architectural decisions independently, and deliver results with a high bar for quality. You think like a product owner, ship like an engineer, and always have the end user in mind.