Zero 20 jobs in Spain

Friday Systems builds AI that allows industrial robots to adapt to dynamic warehouse environments. We focus on high-throughput palletizing and related logistic tasks, by building distributed, cloud-native systems where reliability and scalability are non-negotiable. Tiny team, zero bureaucracy, direct impact, salary + equity. THE ROLE Take end-to-end ownership of our platform: Design distributed systems, build backend (80%) and frontend (20%) services, manage cloud infrastructure and ensure quality through testing and reviews. You’ll collaborate with founders to turn business strategy into technology that scales. YOU WILL • Design, implement, and maintain distributed systems and applications with a strong focus on scalable architecture and design patterns., • Build and deploy backend services in Java and contribute to projects in Python or C++ when required., • Develop and maintain RESTful APIs and web frontends using Angular., • Own infrastructure: Containerize services with Docker, automate operations with Bash scripting, and deploy to Cloud environments (AWS) with CI/CD best practices., • Manage databases, ensuring reliability, performance, and proper data modeling., • Guarantee software quality by writing comprehensive tests, performing code reviews, and ensuring adherence to best engineering practices., • Collaborate with the Leadership Team to ensure product excellence and alignment with business strategy. Forge strong relationships with clients, effectively translating their needs into unique technology solutions., • Build and nurture a high-performing team by attracting top talent. Provide mentorship and leadership to foster a culture of quality and innovation. YOU HAVE • Track record in software engineering, architecture and design patterns. 8+ years of development experience, with at least 5 years in a senior or lead role., • Strong background developing and maintaining applications in Java and Spring framework (this is a must requirement). Working knowledge of Python and/or C++ is a strong advantage., • Hands-on experience developing modern web frontends with Angular., • Experience with Docker, Bash scripting, Linux environments, and network fundamentals for real-world production systems., • Solid understanding of databases (SQL and NoSQL) and ability to make architectural decisions, balancing performance and scalability., • Strong experience with cloud platforms, ideally AWS, including deployment, scaling, and monitoring of services., • Experience in testing methodologies (unit, integration, end-to-end) and commitment to high-quality code. HIRING PROCESS • 30-min intro & mutual fit, • Deep technical session with the Dev. Team on your past work (no LeetCode, no homework), • Two one-hour “Traits & Skills” conversations with our two other Co-founders., • Meet the team & offer