Senior Fullstack (React+Next+Node), Madrid

Senior Fullstack (React+Next+Node)

Senior Fullstack (React+Next+Node) Developer

English and Spanish Required / Madrid-based

Are you one of those Fullstack Engineerswho loves to learn from and teach your colleagues, push yourself to the limit, and take part in very demanding projects with the latest technology?

At Cognizant Spain we have got the Team that youll want to be part of : great colleagues to count on, continuous training, and interesting projects!

We are seeking a highly skilled Senior Software Engineer to join our dynamic team. You would ideally have expertise in React JS, Node JS, Next JS, and Google Cloud Services. This role requires proficiency in English and Spanish and offers a hybrid work model.

Why choose us? - HIGH QUALITY PROJECTS. You will take part in demanding international projects. Show us what youre made of!

• LATEST TECHNOLOGIES. We know you love the fascinating world of JavaScript, which is why youll continue to grow in this field.
• LEARNING. Your current knowledge is never enough, is it? Youll have access to learning platforms that will train you to become an expert or even start learning one of those skills you know youve been wanting to study.
• TEAMWORK. This team will always be there for you! We know youre tough and have a no task too small attitude, but youll always have a talented teammate to count on if you need to!
• INTERNATIONAL TEAM. If you stand out among your peers because youve got great English communication skills, youll be able to put that to good use! If its not your strongest suit, dont worry! Heres where you can improve it by working alongside teams distributed all around the world.
• CAREER PLAN. It is a fact, here youll grow in every direction : vertically towards gaining more responsibilities and increasing in category, and horizontally towards learning new technologies and becoming an expert in your business.

Other benefits that youll find :

• Restaurant tickets for every working day!
• Permanent contract : you are here to grow with us!
• Referral program : its time to bring your colleagues to an awesome team and get rewarded for it!
• Salary and bonuses : its a matter of reaching an agreement. Well discuss it on our first call!

What will make you successful in this position? - Having strong experience in React JS, Next JS, and ideally Node JS.

• Having strong understanding of testing strategies and tools like Jest Cypress or Playwright.
• Having experience with modern frontend build tools and state management libraries (Redux Zustand Recoil).
• Having familiarity with design tokens and UI consistency best practices.
• Having knowledge of performance optimization techniques (lazy loading code splitting asset management).
• Having understanding of accessibility best practices (WCAG compliance).
• Having experience with GitHub Actions for CI / CD automation.
• Having knowledge of Terraform and Infrastructure as Code (IaC).
• Having familiarity with performance monitoring and debugging tools.
• Having Full-stack experience (Node.js GraphQL) is a plus.

What will be your mission? - Develop and maintain React / Next.js applications with a focus on performance and scalability.

• Implement different rendering strategies to balance performance and SEO.
• Ensure high code quality through unit integration and end-to-end testing (Jest React Testing Library Cypress etc.).
• Collaborate with backend engineers, designers, and product managers.
• Improve CI / CD pipelines (experience with GitHub Actions is a plus).
• Optimize applications for performance and accessibility.

To sum up!

Apply to this position if you want to continue being a successful Fullstack Developer surrounded by a healthy and trendy environment!

The Cognizant community :

We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive.

• Cognizant is a global community with more than 300,000 associates around the world.
• We dont just dream of a better way - we make it happen.
• We take care of our people, clients, company, communities and climate by doing whats right.
• We foster an innovative environment where you can build the career path thats right for you.

About us :

Cognizant is one of the worlds leading professional services companies, transforming clients business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ-100 and one of Forbes Worlds Best Employers 2024) is consistently listed among the most admired companies in the world.

React,Next,Node