Senior Front-End React Developer Focused on Growth & Impact

InnoTech; Lisboa; On-site; EUR 42,000 - 66,000; Full time

Benefits offered by this job

Health and well-being programs

25 days vacation

Birthday & special leave

Team events and wellbeing initiatives

Career growth & learning budget

Sustainability initiatives

Job summary

InnoTech is seeking a senior frontend developer to build and optimize scalable web applications. You will craft responsive interfaces using React/Next.js, work with HTML, CSS, TypeScript, and REST APIs, and contribute to robust frontend architecture while maintaining thorough documentation.

You will collaborate with cross-functional teams, implement CI/CD workflows, and ensure high performance across devices. Fluency in English (B2+) and an EU work permit are required.

Qualifications

• 5+ years of professional frontend development experience.
• Strong proficiency with ReactJS and Next.js.
• Strong knowledge of HTML, CSS, TypeScript and JavaScript.

Responsibilities

• Build and maintain scalable, high-performing web applications using modern frontend frameworks and technologies.
• Create responsive, user-friendly interfaces and contribute to robust frontend architecture and technical solutions.
• Troubleshoot issues, optimize application performance, and ensure a consistent, high-quality user experience.
• Maintain clear technical documentation and collaborate with colleagues to continuously improve development practices.

Skills

ReactJS

Next.js

HTML

CSS

TypeScript

JavaScript

REST APIs

Node.js

Git

CI/CD

GitHub Actions

Web architecture

Documentation

English B2

Education

BSc in Computer Science/Engineering or related field

MSc in Computer Science/Engineering (nice to have)

Tools

GraphQL

Headless CMS

Azure

Job description

InnoTech is seeking a senior frontend developer to build and optimize scalable web applications. You will craft responsive interfaces using React/Next.js, work with HTML, CSS, TypeScript, and REST APIs, and contribute to robust frontend architecture while maintaining thorough documentation.

You will collaborate with cross-functional teams, implement CI/CD workflows, and ensure high performance across devices. Fluency in English (B2+) and an EU work permit are required.