Full Stack Software Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Full Stack Software Engineer based in Spain. Join a high-growth fintech and cryptocurrency environment where your engineering expertise will help power secure, scalable, and high-volume financial transactions. As a Full Stack Software Engineer, you will build and maintain backend services and frontend applications that support customer-facing products and internal operational workflows. You will work across modern technologies, including Golang, Java, React, Next.js, and TypeScript, taking ownership of features from technical design through production deployment. Your work will contribute to reliable transaction processing, secure authentication, and seamless integrations with third-party services. Collaborating with engineers and other stakeholders, you will help shape architectural decisions and maintain high standards for performance, security, and observability. This fully remote opportunity is suited to an engineer who enjoys solving complex technical challenges and building impactful products in a regulated financial technology environment.