Frontend Developer

Start-up.unfold; England; Presencial; GBP 42.000 - 66.000; Jornada completa

Descripción de la vacante

Novami is seeking a Frontend Developer to craft user-facing web applications, responsive customer portals, and interactive dashboards. You’ll translate designs and API specs into fast, accessible experiences, collaborating with designers and backend engineers.

Bring strong HTML5/CSS3/JavaScript skills, React experience, and a focus on responsive design and performance. You’ll contribute to a cohesive frontend ecosystem within an agile team.

Formación

• Strong foundation in HTML5, CSS3, and JavaScript (ES6+).
• Hands-on experience with React (or equivalent modern framework).
• Proficiency in responsive web design, mobile-first CSS, and CSS Grid/Flexbox.
• Experience using Git and collaborative version control workflows.
• Understanding of asynchronous JavaScript, REST APIs, and client-side data fetching.
• Strong problem-solving ability and collaboration.

Responsabilidades

• Build responsive and pixel-perfect web interfaces from design systems and requirements.
• Develop reusable, modular, and type-safe frontend components.
• Integrate frontend client applications with RESTful and GraphQL backend APIs.
• Optimize web applications for performance, sub-second load times, and Core Web Vitals.
• Ensure cross-browser, cross-platform, and mobile device responsiveness.
• Collaborate closely with product designers, backend developers, and QA engineers.
• Debug, profile, and resolve frontend performance and rendering issues.
• Maintain clean, documented, and testable code following enterprise standards.
• Participate actively in sprint planning, agile standups, and peer code reviews.

Conocimientos

HTML5

CSS3

JavaScript ES6+

React

Responsive design

CSS Grid/Flexbox

Git

REST APIs

Async JavaScript

Problem-solving

Collaboration

Herramientas

Next.js

TypeScript

Tailwind CSS

Playwright

Descripción del empleo

About The Role

As a Frontend Developer at Novami, you will build user-facing web applications, responsive customer portals, and interactive dashboards. You will work closely with our UI/UX designers and backend engineers to transform Figma designs and API specifications into fast, type-safe, and accessible digital experiences.

Key Responsibilities

• Build responsive and pixel-perfect web interfaces from design systems and requirements.
• Develop reusable, modular, and type-safe frontend components.
• Integrate frontend client applications with RESTful and GraphQL backend APIs.
• Optimize web applications for performance, sub-second load times, and Core Web Vitals.
• Ensure cross-browser, cross-platform, and mobile device responsiveness.
• Collaborate closely with product designers, backend developers, and QA engineers.
• Debug, profile, and resolve frontend performance and rendering issues.
• Maintain clean, documented, and testable code following enterprise standards.
• Participate actively in sprint planning, agile standups, and peer code reviews.

Required Qualifications & Skills

• Strong foundation in HTML5, modern CSS3, and JavaScript (ES6+).
• Hands-on experience with React (or equivalent modern component-based framework).
• Proficiency in responsive web design, mobile-first CSS, and CSS Grid/Flexbox.
• Experience using Git and collaborative version control workflows.
• Understanding of asynchronous JavaScript, REST APIs, and client-side data fetching.
• Strong problem-solving ability, attention to detail, and a collaborative mindset.

Nice to Have (Optional)

• Experience with TypeScript and strict type-safe codebases.
• Familiarity with Next.js (App Router, Server Components, SSR/SSG).
• Understanding of Tailwind CSS design systems and UI token architecture.
• Basic knowledge of UI/UX accessibility standards (WCAG) and Core Web Vitals optimization.
• Experience with automated frontend testing (Jest, React Testing Library, or Playwright).

What You Will Work On

• Enterprise SaaS client portals and high-conversion web applications.
• Scalable component design systems and reusable UI component libraries.
• Real-time interactive data visualizations, dashboards, and client telemetry tools.