Front-End Developer (React)

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

A Company you will be happy to grow with! At InnoTech, it´s all about connecting people with business through technology. We truly care about you, your happiness, and your well-being. We look for passionate people who are eager to learn, evolve, and grow with us - because growth is in our DNA. This commitment has been consistently recognized: we are proud to be a Great Place to Work for five consecutive years, to be one of the Best IT Companies in Portugal, and to be recognized as a Best Workplace Wellbeing. We are also proud to hold ISO 27001 and ISO 9001 certifications, reinforcing our commitment to information security, quality, and continuous improvement. For us, sustainability is not just a buzzword. Integrity, social responsibility, and people-first values guide everything we do.

Your Mission Will Be

• 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.

You Will Need

• At least 5 years of professional experience in frontend development using modern technologies;
• Strong experience with ReactJS and/or Next.js, alongside HTML, CSS, TypeScript, and JavaScript;
• Solid knowledge of REST APIs, Node.js, package managers, Git, and CI/CD pipelines, including GitHub workflows and Actions;
• Experience designing scalable web architectures and maintaining technical documentation, with strong analytical, troubleshooting, and collaboration skills;
• English proficiency at B2 level or above;
• CPLP nationality or an EU work permit is required to facilitate employment.

Would Be Awesome If You Have

• BSc or MSc in Computer Science/Engineering, Information Technology, or related fields;
• Experience working with Azure or other cloud platforms;
• Familiarity with GraphQL and headless content management systems (CMS);
• Knowledge of web performance optimization techniques, particularly Core Web Vitals.

What We Offer

• Health-focused partnerships, including free mental health support;
• 25 days of vacation, including your birthday, Carnival, and a bridging day between Christmas and New Year;
• Half a vacation day on your children's birthday and a school supplies voucher;
• Petsitting partnerships and a pet bereavement day;
• Regular team buildings, four annual company parties, game nights, and social events;
• InnoSports initiatives (football, marathons, and more);
• Events focused on sustainability and social responsibility actions.

Are you convinced? Come see it for yourself.

Join our Top-Notch Team!