Backend Developer NodeJS/Typescrypt

Este es un puesto de trabajo remoto.

About the Mission We are looking for a Senior Backend Developer to join our team and help us build a robust, scalable platform from the ground up, leveraging insights gained from our Beta and current product usage.

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.

Requisitos Required Skills & Experience 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) Ventajas What We Offer Contract type: Freelance / Self-Employed Salary range: 50,000 -55,000 gross per year 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