Senior Backend Developer

AstroPay; Madrid, Barcelona; Presencial; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A forward-thinking payment solution company in Madrid is seeking a Senior Backend Developer. This role involves designing and building scalable backend systems, optimizing performance, and ensuring reliability. Candidates must have over 5 years of experience and strong programming skills in Java, Go, or Node.js. Join a dynamic team focused on innovative solutions in the online payment industry.

Servicios

Flexible hours

Professional growth

Team engagement activities

Global connectivity

Training opportunities

Formación

• 5+ years of experience as a backend developer.
• Strong knowledge of backend architectures and microservices.
• Experience with cloud environments and database optimization.

Responsabilidades

• Design, develop and maintain backend systems, APIs and databases.
• Work closely with product teams to deliver high-quality solutions.
• Monitor and improve system reliability.

Conocimientos

Programming skills in Java, Go, Node.js

Knowledge of databases

Experience with distributed systems

Familiarity with CI/CD pipelines

Descripción del empleo

At AstroPay, we believe in empowering people to reach their full potential and to be part of an innovative and forward-thinking company. Our goal is to provide a cutting-edge online payment solution that goes beyond just a traditional wallet. We are dedicated to creating a dynamic and challenging work environment that fosters creativity, innovation, and a strong sense of community among our team.

Our multinational and multicultural team is made up of talented and motivated individuals who are passionate about delivering the best possible experience to our customers and users. We value teamwork, collaboration, and a can-do attitude, and we’re always looking for new talent to join our growing company.

If you’re looking for an exciting opportunity to work with a dynamic and innovative company, AstroPay is the perfect place for you. With our entrepreneurial spirit and drive to succeed, we offer an environment where you can grow both personally and professionally. Join us today and be part of our mission to revolutionize the online payment industry.

We are seeking experienced Senior Backend Developers to join our engineering teams. This role involves designing and building scalable backend systems that power AstroPay’s core products. Candidates should have a solid grasp of backend architectures, microservices, APIs, and data handling.

About the role

As a Senior Backend Developer at AstroPay, you’ll join a high-impact team responsible for designing, building, and maintaining the core services that power our global financial ecosystem. Your work will be instrumental in supporting high-volume, real-time transactions across multiple regions. This role goes beyond writing clean and scalable code — it’s about understanding system architecture, optimizing performance, and collaborating with other teams to build solutions that are both innovative and robust. If you're passionate about backend engineering and want to contribute to a platform that moves millions of dollars daily, this is your opportunity.

Responsibilities
- Design, develop and maintain backend systems, APIs and databases.
- Work closely with product teams to deliver high-quality solutions.
- Contribute to architectural decisions and ensure code quality and performance.
- Monitor and improve system reliability.

Requirements
- 5+ years of experience as a backend developer.
- Strong programming skills in Java, Go, Node.js or similar.
- Strong knowledge in databases.
- Experience with distributed systems and microservices.
- Familiarity with CI/CD pipelines, cloud environments, and database optimization.

• Flexible hours: We are results-oriented.
• Professional growth: Take off your professional career. Explore your passions.
• AstroTeam: Get in touch with your team and have fun.
• AstroHouse: Meet and connect with AstroPayers all over the world.
• Training: Keep building your knowledge on the platform of your choice.
  

ImportantNotice: By submitting your application for this position, you acknowledge and consent to the completion of a comprehensive background check as a mandatory part of the final hiring process. This procedure is essential to uphold the standards and integrity of our organization. We appreciate your cooperation and understanding.

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