Responsibilities We are currently seeking a Senior Full-stack Engineer to join our Engineering team The Senior Full-stack Engineer for the Customer Tooling Squad will play a critical role in Clio With responsibilities spanning both front‑end and back‑end development, this individual will take ownership of complex technical challenges across the customer’s ERP ecosystem and related systems They will mentor junior engineers, collaborate with cross‑functional teams, and deliver high‑quality solutions that improve the customer experience and operational workflows The Senior Fullstack Engineer will drive initiatives to modernise the customer tooling, reduce technical debt, and enhance integrations with internal and external systems, ensuring the continued success and evolution of customer support and engagement infrastructure Work across the complete stack to design, develop, and implement new features and modern web components Write and maintain clean, efficient, and reliable code for both front‑end and back‑end systems Identify and resolve issues in existing and new code to ensure the smooth, continuous operation of web applications Maintain and optimise APIs to ensure high performance and reliability Implement dynamic user interfaces in the frontend application, prioritizing seamless user experiences Lead projects through all phases from conception to finished product, collaborating with cross‑functional teams and stakeholders Drive the modernisation of the tech stack, migrating legacy systems to modern frameworks and cloud‑native architectures to ensure scalability, maintainability, and performance Benefits Specialized learning and development programs and access to an in‑house performance coach Equitable compensation for your contributions, regardless of gender, race,



or any other identifying factor Access to pay transparency on all of our global roles Company equity for applicable employees RRSP‑matching in Canada, 401k in the US, and pension plans in Ireland Hybrid model – striking the right balance between the benefits of in person connectivity that in office brings, and the flexibility of remote Adaptable paid time off (4‑week minimum with opportunities for personalization based on individual needs and achievements) Parental leave options for birthing and non‑birthing parents A $500 contribution to your child’s RESP Various health, dental, and vision benefits for you and your family, including an Employee and Family Assistance Program Virtual and In‑person Wellness Programs to support mental and physical health Paid time for volunteering through our Clio Gives program $2000 annual counseling benefit for CAD Clions Qualifications Proven experience with web components, including design and implementation, to build dynamic and reusable UI elements Bachelor’s degree in Computer Science, Engineering, or a related technical field Delivered end‑to‑end solutions by combining 4+ years of solid experience in Ruby on Rails backend development with proficiency in Java Script/Type Script frameworks to create high‑performance frontends Strong knowledge of API design and management, ensuring high availability and performance Excellent problem‑solving skills and the ability to troubleshoot and optimise complex codebases Strong expertise in cloud‑based solutions, with a particular focus on AWS environments, to build scalable and reliable systems Experience in Legal Tech, content platforms, or large‑scale data systems is desirable but not essential Familiarity with search technologies Fluent in Spanish and English

📌 Senior engineer (full-stack custom solutions) (Madrid)
🏢 Clio
📍 Madrid