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You will play a key role in designing and implementing the backend architecture that powers our application and integrations with various gym management systems across Europe.
Your Responsibilities
- Design and implement the server-side application logic, develop APIs, create libraries, and manage system components.
- Integrate with external services, such as different Gym Management Software, to enhance functionality and provide data insights.
- Support our customers by implementing their feedback and resolving technical issues.
- Collaborate closely with the team to build a consistent, efficient, and responsive application.
- Write clean, maintainable, and well-tested code.
- Communicate directly with clients for product conception, onboarding, and training purposes.
- Occasionally travel within Europe to better understand gym workflows and user needs.
- 10+ years of experience building backend systems (including at least 1 year using Node.js with TypeScript)
- Proven production experience with SQL databases (ideally PostgreSQL using Prisma ORM)
- Passion for mentoring and sharing knowledge with less experienced developers
- Strong sense of ownership and commitment to writing high-quality, testable code
- Fast learner with a creative mindset and problem-solving attitude
- Customer-obsessed mindset you deeply care about user experience
- Experience working in agile, fast-paced startup environments
- Excellent communication skills; fluent English (C1 level)
- Contract type: Freelance / Self-Employed (Autónomo)
- Fully remote work environment
- Sport card to support your fitness goals
- Private medical care
- Exciting opportunity to shape a product from the ground up within a dynamic startup environment
Key Skills
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