Full Stack Developer (Hybrid/Remote)
Summary
Senior full stack developer building a next-generation financial services platform: customer-facing portals, backend services and REST APIs, with ownership over architecture, security and performance, plus code review and mentoring. Hybrid role based in Madrid (Retiro) using React/Angular, Java/Python/Node.js/Go and AI-assisted tooling.
Senior Full Stack Software Developer - FinTech Platform
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At Shakers, we're partnering with a company building a next-generation financial services platform to bring on a Senior Full Stack Software Developer. It's a hands-on role with real ownership over core systems, working two days a week from a Madrid office in Retiro.
The team is building out the core of a financial platform from the ground up: customer-facing portals, backend services, and the APIs that tie everything together. There's real ownership here, working closely with product, data and business stakeholders on architecture, security and performance decisions, while also reviewing code and mentoring less senior developers. Delivery speed matters, and the team leans on AI-assisted tooling (Copilot, Cursor, Claude Code) to move fast without cutting corners on quality.
Develop customer-facing portal experiences on the front end
Build and scale backend services and REST APIs
Uphold security, performance and reliability standards across the stack
Partner with product, data and business teams on delivery
Review code and support the growth of junior developers
Use AI-assisted tools to accelerate development without compromising quality
5+ years of professional software development experience
~ Strong hands-on experience across front-end (React or Angular) and back-end (Java, Python, Node.js or Go)
~ Fluent English
~ Availability for a hybrid model in Madrid (Retiro), 2 days/week onsite
Experience in FinTech, financial software or payment systems
Experience mentoring developers or leading technical projects
Familiarity with Docker, Kubernetes or DevOps practices
Why this project
Direct collaboration with the internal product, data and business teams
Sounds like you, or like someone in your network? xqbhyrx Reach out or share it along; FullStackDeveloper #FinTech #SoftwareEngineering #Hybrid #Madrid #Freelance #Shakers
Hay opciones de teletrabajo/trabajo desde casa disponibles para este puesto.