Senior React / Typescript Frontend Engineer

Noesis; Porto; Presencial; EUR 48 000 - 64 000; Tempo integral

Resumo da oferta

Noesis in Porto, Portugal is seeking an experienced Front-end Engineer to join our team driving production-grade web frontends with SSR and CSR. You will optimize performance, accessibility and track Core Web Vitals while shaping headless storefronts for high-volume e-commerce.

Responsibilities include writing automated tests, code reviews, and leveraging AI development tools carefully to validate generated code. Strong collaboration and communication are essential.

Qualificações

• Degree in Computer Science or similar.
• Minimum 5 years of production web frontend experience.
• Strong knowledge of HTML, CSS, JavaScript, and browser behavior.
• Experience with React, TypeScript, and e-commerce storefronts.
• Experience with Git, automated testing, and code reviews.

Responsabilidades

• Develop and maintain high-traffic web frontends in production, with both server-side and client-side rendering.
• Optimize performance and accessibility, tracking Core Web Vitals, Lighthouse scores and WCAG compliance.
• Build and evolve headless e-commerce storefronts.
• Write automated tests, take part in code review and use AI development tools critically, validating the code they generate.

Conhecimentos

Front-end development

React

TypeScript

SSR/CSR

AI tooling

Git & code review

Automated testing

Performance optimization

Accessibility

Communication

Formação académica

Degree in Computer Science

Ferramentas

Salesforce Commerce Cloud

Descrição da oferta de emprego

Main Tasks And Responsibilities

• Develop and maintain high-traffic web frontends in production, with both server-side and client-side rendering;
• Optimise performance and accessibility, tracking Core Web Vitals, Lighthouse scores and WCAG compliance;
• Build and evolve headless e-commerce storefronts;
• Write automated tests, take part in code review and use AI development tools critically, validating the code they generate.

Profile

• Degree in Computer Science or similar;
• Minimum of 5 years of experience developing and maintaining production web frontends;
• Solid command of HTML, CSS, JavaScript, HTTP and browser behavior, with clear understanding of SSR and CSR;
• Practical experience with Git, code review and automated testing, and mature use of AI development tools;
• Experience with React, TypeScript, headless migration and Salesforce Commerce Cloud (SFRA, SCAPI, Storefront Next or PWA Kit) is preferred;
• Relevant e-commerce experience on high-volume stores and React Native will be valued;
• Strong problem-solving skills, attention to detail, and excellent communication and teamwork abilities.

Join us. Let's innovate together!

All our recruitment and selection processes are based on equal opportunities, valuing the competence and potential of each person and ensuring that no candidate is discriminated on the grounds of gender, ethnicity, sexual orientation, age, religion or physical condition.

• Job advertisement under Law nr 4 / 2019, of 10th January