Senior Node & React Engineer — Build Scalable Web Platforms

Cognizant; l'Hospitalet de Llobregat; Híbrido; EUR 60.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Restaurant tickets

Permanent contract

Referral program

Learning and certification programs

Performance bonuses

Descripción de la vacante

Cognizant is seeking a passionate Node & React Engineer to join our growing technology team in a fast-paced, international environment. You will design, develop, and maintain scalable web applications using Node.js, React, and cloud-native technologies.

You will collaborate with cross-functional teams to deliver high-quality software, APIs, and microservices, while participating in CI/CD processes and agile delivery. English proficiency and strong problem-solving skills are required.

Formación

• 5+ years of professional software development experience.
• Strong experience with JavaScript (ES6+) and TypeScript.
• Solid hands-on experience with Node.js and React development.
• Experience in developing RESTful APIs and microservices architectures.
• Knowledge of SQL and NoSQL databases.
• Familiarity with cloud platforms such as AWS and/or Azure.
• Experience working with Agile methodologies and collaborative software development practices.
• Strong analytical, problem-solving, and communication skills.
• Professional proficiency in English (written and spoken).

Responsabilidades

• Design, develop, and maintain scalable backend services and APIs using Node.js and modern frameworks such as Express or NestJS.
• Build responsive, user-friendly front-end applications using React and TypeScript.
• Integrate third-party services, APIs, and microservices architectures.
• Collaborate with Business Analysts, Product Owners, Architects, QA Engineers, and UX teams to deliver high-quality solutions.
• Write clean, maintainable, and testable code following software engineering best practices.
• Participate in code reviews and contribute to continuous improvement initiatives.
• Optimize application performance, security, and scalability.
• Support CI/CD processes and cloud deployments across AWS and Azure environments.
• Work within Agile teams, contributing to sprint planning, estimations, and delivery activities.

Conocimientos

JavaScript (ES6+)

TypeScript

Node.js

React

RESTful APIs

Microservices

Cloud (AWS/Azure)

SQL/NoSQL

Agile

English

Educación

Bachelor's or Master's in CS/Software Eng

Herramientas

NestJS

Express.js

Docker

Kubernetes

Descripción del empleo

Cognizant is seeking a passionate Node & React Engineer to join our growing technology team in a fast-paced, international environment. You will design, develop, and maintain scalable web applications using Node.js, React, and cloud-native technologies.

You will collaborate with cross-functional teams to deliver high-quality software, APIs, and microservices, while participating in CI/CD processes and agile delivery. English proficiency and strong problem-solving skills are required.