Senior Full-Stack Engineer - FinTech Platform (Madrid)

Shakers; As Catro Rúas; Híbrido; EUR 70.000 - 110.000; Jornada completa

Descripción de la vacante

Shakers partners with a company building a next-generation financial services platform. We seek a Senior Full Stack Software Developer who will own core systems and contribute hands-on work, with two days per week onsite in Madrid (Retiro).

You will design and build customer-facing portals, scalable backend services and APIs, and collaborate with product, data and security teams to ensure high quality, performance and reliability while mentoring juniors and embracing DevOps practices.

Formación

• 5+ years of professional software development experience.
• Hands-on frontend and backend development.
• Experience with high-volume/transactional systems.
• Strong problem-solving skills.
• Fluent English.
• Hybrid work model in Madrid (Retiro), 2 days onsite.

Responsabilidades

• Design and build core modules of a financial services platform.
• Develop customer-facing portal experiences on the front end.
• Build and scale backend services and REST APIs.
• Contribute to architecture decisions and technical direction.
• Uphold security, performance and reliability standards across the stack.
• Partner with product, data and business teams on delivery.
• Review code and mentor junior developers.
• Use AI-assisted tools to accelerate development.

Conocimientos

5+ years experience

Front-end development

Back-end development

React

Angular

Java

Python

Node.js

Go

Problem solving

English fluency

Herramientas

Docker

Kubernetes

DevOps practices

Descripción del empleo

Shakers partners with a company building a next-generation financial services platform. We seek a Senior Full Stack Software Developer who will own core systems and contribute hands-on work, with two days per week onsite in Madrid (Retiro).

You will design and build customer-facing portals, scalable backend services and APIs, and collaborate with product, data and security teams to ensure high quality, performance and reliability while mentoring juniors and embracing DevOps practices.