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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Frontend Engineer - €40.000 - €50.000 A Year - Remote - **Company:** Dempo - **Location:** Santander, Spain (Remote available) - **Salary:** €40,000.0 - €50,000.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, HTML, JavaScript (Programming Language), Agile Methodology, Amazon Web Services, Microsoft Azure, Cascading Style Sheets (CSS), Continuous Integration, Performance Tuning, Preprocessor, Software Engineering, Cloud Platform System, ReactJS, Caching, Backend, Git, AngularJS, Front End Software Development, Restful APIs - **Published:** September 25, 2026 - **Apply:** https://www.buscojobs.com.es/senior-frontend-engineer-%E2%82%AC-40-000-%E2%82%AC-50-000-a-year-remote-en-santander-ID-373642347 ## About the Role If you thrive in modern frontend development and want to grow with a dynamic team, we'd love to meet you.As we continue expanding our team, we are currently looking for a Frontend engineer with the following profile:ResponsibilitiesBuild responsive, high-performance web applicationsCollaborate across design, backend, and product teamsWrite clean, scalable, and maintainable codeDesign systems and make key technical decisionsMentor developers and support code qualityOptimise performance and anticipate edge casesRequirementsMinimum 5 years of experience developing.Strong experience with modern Typescript.Experience with React and testing with Jest, Karma, Cypress.Solid knowledge of HTML, Javascript, CSS preprocessors, and responsive design.Understanding of REST APIs and integration with back-end services.Experience with Git and CI/CD pipelinesPassion for clean code and continuous learning.Strong problem-solving, communication, and teamwork skillsAdvanced Spanish and intermediate EnglishExperience working in Agile environments with an open and collaborative mindsetNice to Have (experience with)Angular and Jasmin.Knowledge of performance optimisation techniques (lazy loading, code splitting, caching strategies). Experience with different cloud environments (Azure, AWS or GCP). Exposure to micro-frontend architectures.Mentoring junior developers.What We Offer at DempoPermanent contractFlexible working hours (core hours 09:*******:30)Remote-first culture, with the option to work from our Granada office (Forum area)30 working days of vacationPrivate health insuranceWork equipment provided (You choose between Macbook or Lenovo)Continuous professional development, including:· Unlimited access to online courses· Learning time within working hours· Certifications and specialised training fundsReferral programmeOpportunity-based bonusesStable, long-term projectsClear professional growth opportunitiesSelection ProcessWith pleasure, we receive your CV and we give you a callNow it's when we put faces to names, we'd love to get to chat with you! ## Description Senior Frontend Engineer Join DempoTransform Frontend development with us!At Dempo, we are a growing software development company where innovation, collaboration, and continuous professional growth are part of everyday life.We're looking for passionate technologists who enjoy solving complex challenges, working in collaborative environments, and continuously improving their craft.If you thrive in modern frontend development and want to grow with a dynamic team, we'd love to meet you.As we continue expanding our team, we are currently looking for a Frontend engineer with the following profile:ResponsibilitiesBuild responsive, high-performance web applicationsCollaborate across design, backend, and product teamsWrite clean, scalable, and maintainable codeDesign systems and make key technical decisionsMentor developers and support code qualityOptimise performance and anticipate edge casesRequirementsMinimum 5 years of experience developing.Strong experience with modern Typescript.Experience with React and testing with Jest, Karma, Cypress.Solid knowledge of HTML, Javascript, CSS preprocessors, and responsive design.Understanding of REST APIs and integration with back-end services.Experience with Git and CI/CD pipelinesPassion for clean code and continuous learning.Strong problem-solving, communication, and teamwork skillsAdvanced Spanish and intermediate EnglishExperience working in Agile environments with an open and collaborative mindsetNice to Have (experience with)Angular and Jasmin.Knowledge of performance optimisation techniques (lazy loading, code splitting, caching strategies).Experience with different cloud environments (Azure, AWS or GCP).Exposure to micro-frontend architectures.Mentoring junior developers.What We Offer at DempoPermanent contractFlexible working hours (core hours 09:*******:30)Remote-first culture, with the option to work from our Granada office (Forum area)30 working days of vacationPrivate health insuranceWork equipment provided (You choose between Macbook or Lenovo)Continuous professional development, including:· Unlimited access to online courses· Learning time within working hours· Certifications and specialised training fundsReferral programmeOpportunity-based bonusesStable, long-term projectsClear professional growth opportunitiesSelection ProcessWith pleasure, we receive your CV and we give you a callNow it's when we put faces to names, we'd love to get to chat with you!Let's deepen a bit more with a technical interview, a chance to meet your People PartnerWe get back to you with offer and feedSalary Range€20,000 - €30,000 ? Junior€30,000 - €40,000 ? Standard€40,000 - €50,000 ? Senior€50,000+ ? 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