ABOUT USSignaturit Groupis the Europeen chion of complete and secure digital transactions. Thanks to a modular platform, we automate transactional processes, from identity verification and KYC to electronic signature and legal archiving. More than 100 thousand customers rely on our solutions to accelerate their business activities, while optimizing their operations.As a certified Trusted Service Provider, we control over 35 million documents and carry out more than 180 million signatures a year, guaranteeing security, compliance and legal value.Today, more than 400 experts and passionate professionals, based in Paris, Barcelona and Valencia, are working every day towards our shared success.What you will do at SignaturitLead the frontend team, fostering high standards in code quality, performance, and maintainability.Design and maintain scalable, modular frontend architecture using React, TypeScript, and modern tooling.Review code and ensure adherence to clean code principles and testing practices.Act as the go to person for complex technical decisions, architectural direction, and system evolution.Mentor and support frontend developers, encouraging growth, continuous learning, and promoting engineering excellence across the team.Coordinate with stakeholders across product, design engineering, ensuring seamless integration, consistent delivery pipelines, and shared ownership of quality.Drive continuous improvement in development workflows, including CI/CD, testing strategies, code review processes, and tooling enhancements.Partner with the Engineering Manager to continuously improve team processes, delivery velocity, and technical quality.Strong communication and leadership skills, with the ability to drive technical discussions, define and defend architectural proposals, and collaborate effectively within cross functional agile teams.What skills will make you successful?6+ years of experience in frontend development, with strong expertise in React and Angular.Strong expertise in JavaScript and TypeScript, with a solid grasp of core language concepts and architecture design using Redux, RxJS, and component driven development.Deep understanding of CSS architecture and preprocessors such as SASS JSS, with the ability to implement responsive, mobile first, and accessible user interfaces.Proven experience with frontend build systems and tooling, including Webpack and Rollup, with a focus on performance optimization and developer experience.Strong testing culture, with hands on experience implementing unit, integration, and end to end tests in React (Jest, React Testing Library) and Angular (Jasmine, Karma).Familiarity with CI/CD pipelines and modern development workflows, using tools like GitHub Actions, GitLab CI, or Jenkins to ensure continuous integration and delivery.Language Skills: Advanced in English is required. French would be a significant plus.Nice to have: Familiarity with observability tools (logging, metrics, tracing), con