Senior Fullstack Developer (f/m/d)

# Senior Fullstack Developer (f/m/d)adjoeVia arbeitnowHamburg, DEPubliée il y a 12h## Description du posteadjoe builds the technologies behind mobile apps growth and monetization. With our core product **Playtime Arcade**, we've become the global leader in rewarded advertising, an ad unit built on a simple premise: users earn real in-app rewards for engaging with new apps. The result is one of the most effective value exchanges in adtech, connecting advertisers and publishers with over 770 million users annually.**Keeping Platform Stability Front and Center for 770M+ Users**On the frontier of adjoe's most critical publisher relationships, the Partner Operations team moves fast, cuts through complexity, and contributes towards building trust and value for our partners and publishers. Operating across the full adjoe stack—backend services, SDKs, catalog, and integrations—we unblock strategic launches, build custom integrations, and resolve critical issues in production.We act as the safety net for our product teams and the first line of defense for enterprise publishers. Beyond immediate troubleshooting, we build and scale high-impact diagnostic tooling to automate root-cause resolution across client-side and microservice architectures. Combining cross-stack technical depth with rapid execution, Product Operations ensures seamless performance wherever enterprise growth meets global scale.**Your Mission & Who We Are Looking For:*** **5+ years building modern full-stack web and server applications.** You have solid, hands-on experience developing end-to-end platform features, with profound practical knowledge of **Golang** on the backend and **TypeScript / React** on the frontend.* **A strong foundation in robust backend architecture.** You contribute fresh ideas to our reliability-first **Golang** microservices (separated across several globally located data programming centers), constantly improving our existing code, API interfaces, and architecture for maximum efficiency.* **UX-optimized frontend design & seamless API communication.** You take a leading role in designing and implementing performant web and mobile frontends. You know how to show up new ways to optimize frontend-to-backend communication across protocols like **REST**, **GraphQL**, **WebSockets**, and **HTTP**.* **Clean code principles and engineering best practices.** You write scalable, maintainable code guided by **SOLID** and **DRY** principles, and apply common design patterns (such as HOC or factory pattern) to keep our web platforms clean and modular.* **Mentorship, code quality, and team growth.** You actively participate in thorough code reviews to maintain high quality standards, provide constructive feedback, and mentor junior developers to foster their growth and technical skills.* **Cross-functional collaboration and adaptability.** You collaborate smoothly with diverse roles across international teams. You stay updated on the latest full-stack trends, tools, and technologies, continuously proposing innovative solutions to enhance our application's capabilities.* **Bonus points:** Hands-on experience with cloud infrastructure and AWS services (**EC2**, **ALB**, **ECS**, **RDS**, **DynamoDB**), or prior exposure to other languages like **PHP**, **Java**, or **Python**.## ** We welcome applications from talent worldwide and provide relocation support to Hamburg, Germany for those ready to join our team.****What’s in It for You?**At adjoe, you’re not here to just close JIRA tickets, you’re helping build the infrastructure behind one of the most impactful platforms in adtech. The systems you work on will reach hundreds of millions of users and power billions of decisions every day.* **Go Big.** Own projects with impact on 770M users and push adtech boundaries.* **Move Fast.** Ship solutions multiple times a day, learn from results, and keep momentum.* **Be Direct.** Solve problems openly...
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