Senior Backend Developer Freelance

**TapNation - Redefining Mobile Gaming Excellence**

Founded in 2019, TapNation is an innovative French company specializing in mobile game publishing. In the space of just five years, we have published over 50 games, accumulating more than a billion downloads worldwide. We rank among the world's top 15 mobile game publishers, a status achieved thanks to our approach combining creativity and technological optimization.

At TapNation, we value rapid growth, innovation and a dynamic multicultural environment. With a diverse team spread across several countries, we offer you the opportunity to work on projects that have a direct impact on the company's performance. Our values of adaptability and collaboration have enabled us to become one of France's most promising companies, recognized by French Tech 120 and voted “Champion of Growth” in 2024 by Les Echos.

When you join TapNation, you'll be joining a company with dynamic and ambitious atmosphere, where your ideas are valued.

We invest in the personal development of our employees and promote a balance between performance and well-being, certified by our Great Place to Work and Happy at Work labels. Whether you're passionate about mobile games or simply interested in a constantly evolving environment, TapNation is the place where you can bring your ambitions to life.

To continue our amazing mission, we are seeking an ambitious and results-driven Senior Backend Developer Freelancer to help our Web 3.0 team

**Role Overview
**As a Senior Backend Developer specializing in Node.js, you will be responsible for designing, developing, and maintaining the backend infrastructure that powers our real-time multiplayer gaming experiences.

By working in the Web3 Division, you will:

- **Backend Development**: Design, develop, and maintain the server-side components and APIs required for real-time multiplayer gameplay using Node.js.
- **Real-Time Communication**: Implement real-time communication protocols (WebSocket, WebRTC, etc.) to ensure smooth and low-latency multiplayer interactions.
- **Database Management**: Manage and optimize databases (e.g. Redis, BigQuery, BigTable, PubSub, DataFlow, ) to store game-related data and player information efficiently.
- **Scalability and Performance**: Architect and optimize the backend infrastructure for scalability and high performance, ensuring smooth gameplay for thousands of concurrent players.
- **Security**: Implement robust security measures to protect against cheating, hacking, and other security threats in a multiplayer gaming environment.
- **Collaboration**: Collaborate closely with game developers, designers, and other cross-functional teams to integrate multiplayer features seamlessly into mobile games.
- **Testing and Debugging**: Conduct thorough testing, debugging, and optimization of backend systems to ensure reliability and a seamless gaming experience.
- **Documentation**: Maintain clear and up-to-date documentation for APIs, services, and backend systems to facilitate teamwork and future development.

**Benefits**:

- Competitive fees.
- 15 days paid time off per year.
- Remote policy: full remote.
- You can find us at **Les Nouveaux Bureaux** offices in Paris 17e (including fitness room) if you want to say hello.

**Profile**:

- Proven experience in backend development using Node.js.
- Experience with real-time multiplayer game development is a strong plus.
- Proficiency in WebSocket, WebRTC, and other real-time communication technologies.
- Strong knowledge of databases (e.g. Redis,BigQuery, BigTable, PubSub, DataFlow) and database optimization.
- Good knowledge of the cloud provider GCP (Google Cloud Platform)
- Good knowledge and proficiency with serverless architecture is advantageous.
- Excellent problem-solving skills
- Team player and humble.
- Fluent in English.
- Good knowledge of the gaming/apps industry
- Good Knowledge about the Web3 industry is a plus

**_ TapNation is an equal-opportunity employer _**_Qualified applicants will receive consideration_** **_for employment without regard to sex, gender identity, gender expression, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law_**_._**

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