Senior Front-End Developer - Hybrid, React & TS

Cognizant; Lomas del Mirador, Buenos Aires; Híbrido; ARS 1.200.000 - 2.000.000; Jornada completa

Descripción de la vacante

Cognizant is seeking a Senior Front-End Developer to design and build intuitive, scalable web experiences for a clinical protocol authoring platform. You will collaborate with product managers, UX designers, clinical stakeholders, security teams, and platform engineers to deliver modern digital experiences supporting clinical research.

You will work with React, TypeScript, REST/GraphQL, and ensure accessibility, security, performance, and maintainability while contributing to reusable UI

Formación

• 15+ years of software engineering experience with a strong focus on front-end development.
• Extensive experience with React and TypeScript, or comparable experience with Angular or Vue.
• Strong expertise in JavaScript, HTML5, CSS3, responsive design, and web performance optimization.
• Experience developing reusable UI components, design systems, and enterprise-scale web applications.
• Strong knowledge of REST and GraphQL integrations, API consumption, and state management patterns.
• Experience implementing secure coding practices, authentication, authorization, and accessibility standards.
• Familiarity with automated testing frameworks, CI/CD pipelines, source control, and code quality tools.
• Bachelor's or Master's degree in Computer Science, Engineering, Information Technology, or a related field.

Responsabilidades

• Design and develop modern web applications using React, TypeScript, and enterprise front-end technologies.
• Build user-friendly interfaces that support protocol authoring, content management, review workflows, approvals, and collaborative editing experiences.
• Integrate front-end applications with REST and GraphQL services, identity platforms, workflow engines, and other enterprise systems.
• Ensure solutions meet accessibility, security, performance, scalability, and maintainability standards.
• Collaborate with cross-functional teams to translate business and user requirements into innovative technical solutions.

Conocimientos

React

TypeScript

JavaScript

HTML5

CSS3

REST

GraphQL

CI/CD

Security best practices

Accessibility

Educación

Bachelor's or Master's in Computer Science, Engineering, Information Technology, or related field

Herramientas

Git

Testing frameworks

Descripción del empleo

Cognizant is seeking a Senior Front-End Developer to design and build intuitive, scalable web experiences for a clinical protocol authoring platform. You will collaborate with product managers, UX designers, clinical stakeholders, security teams, and platform engineers to deliver modern digital experiences supporting clinical research.

You will work with React, TypeScript, REST/GraphQL, and ensure accessibility, security, performance, and maintainability while contributing to reusable UI