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# Senior React Developer

- **Company:** SQLI
- **Location:** Madrid, 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 19, 2026
- **Apply:** https://www.buscojobs.com.es/senior-react-developer-en-madrid-ID-370496686

## About the Role

What you'll do Develop and maintain scalable web applications using React and NestJS Collaborate closely with product managers, designers, and backend engineers Contribute to architectural decisions and technical improvements Ensure code quality through testing, code reviews, and best engineering practices Qualifications
What we're looking for 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 Additional Information

## 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 clients to find aSenior Front-End Developerto join a high-performing engineering team working on modern digital platforms at scale.What you'll do Develop and maintain scalable web applications using React and NestJS Collaborate closely with product managers, designers, and backend engineers Contribute to architectural decisions and technical improvements Ensure code quality through testing, code reviews, and best engineering practices QualificationsWhat we're looking for 5+ years of experience in software development, with a strong focus on frontend engineering Proven experience building applications withReact Solid experience working withNestJS 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 Additional 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 notice SQLI 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


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