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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior React Developer - **Company:** SQLI - **Location:** Valencia, Spain - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Microsoft Azure, Software Quality, Code Review, Continuous Integration, Software Architecture, Software Engineering, SQL Injection, Web Platforms, Cloud Platform System, ReactJS, Software Application Programming, Backend, Front End Software Development, NestJS, Restful APIs, Microservices - **Published:** September 7, 2026 - **Apply:** https://www.buscojobs.com.es/senior-react-developer-en-valencia-ID-369849121 ## About the Role 5+ years of experience in software development, with a strong focus on frontend engineering Proven experience building applications with React Solid experience working with NestJS Experience designing and consuming RESTful APIs Knowledge of testing frameworks and CI/CD practices Ability to work in agile, collaborative, and international environments Good communication skills in English Nice to have Experience with cloud environments (AWS, Azure, or GCP) Knowledge of microservices architectures Experience in retail, ecommerce, or customer-facing digital products ## Description SQLI is a European leader in digital transformation and customer experience, helping major international brands drive growth through technology.From strategy to implementation, we design and deliver high-performance architectures and engaging digital experiences by combining advanced technologies, proven methodologies, and deep technical expertise.With 2,200 people across 12 countries, we're looking for passionate individuals who share our values: Creative Spirit, Commitment, and Forward Thinking.Job DescriptionWe're partnering withone of our clientsto find aSenior Front-End Developerto join a high-performing engineering team working on modern digital platforms at scale.What you'll doDevelop and maintain scalable web applications using React and NestJSCollaborate closely with product managers, designers, and backend engineersContribute to architectural decisions and technical improvementsEnsure code quality through testing, code reviews, and best engineering practicesQualificationsWhat we're looking for5+ years of experience in software development, with a strong focus on frontend engineeringProven experience building applications withReactSolid experience working withNestJSExperience designing and consuming RESTful APIsKnowledge of testing frameworks and CI/CD practicesAbility to work in agile, collaborative, and international environmentsGood communication skills in EnglishNice to haveExperience with cloud environments (AWS, Azure, or GCP)Knowledge of microservices architecturesExperience in retail, ecommerce, or customer-facing digital productsAdditional InformationWhat do we offer?Permanent contract.Hybrid policy work.(1 day office, 4 days home office)UDEMYBusiness member platform with a lot of on-line learnings (certifications, courses, etc).Individual yearly training and certification budget.Intensive Fridays and July and August.Data protection noticeSQLI ensures that applicants' personal data are processed as required by the EU General Data Protection Regulation (GDPR) and Spanish Law ****** on Data Protection.Personal data is processed solely for the purpose of the selection procedure.#J-*****-Ljbffr ## Related Videos - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Watch Tests Go Brrrr! 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