Senior Frontend Developer

🔥 12 minutes ago

🌐 Portugal, Brazil – Remote

🇵🇹 Portugal – Remote 🇧🇷 Brazil – Remote

⏰ Full Time

🟠 Senior

💻 Frontend Engineer / Web Developer

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Plain Concepts

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2006

💼 Consulting

📣 Marketing

📦 Logistics

Consulting • Marketing • Logistics

Plain Concepts is an innovative technology company committed to delivering customized solutions across a wide array of digital needs. With a focus on cutting-edge areas like Artificial Intelligence, cybersecurity, cloud computing, and Internet of Things (IoT), Plain Concepts is a partner for companies looking to enhance operations and secure their digital landscapes. As a recognized Microsoft AI Partner, Plain Concepts aims to transform data into insightful information and improve business applications through bespoke IoT developments. Additionally, the company fosters revolutionary advancements in augmented and virtual reality, while driving digital transformation initiatives with Microsoft 365 and a strong focus on sustainability and social commitment.

📋 Description

• Build and maintain web applications using React and TypeScript • Work closely with Product, Design, Backend, and other developers to turn requirements into solid technical solutions • Help shape and improve frontend architecture and development practices • Ensure applications are fast, responsive, accessible, and easy to maintain • Work with UI libraries and design systems to create consistent user experiences • Review code and share knowledge and best practices with the team • Work on 3D visualisations and interactive experiences directly in the browser • Develop features around interactive maps and geospatial data • Take ownership of features from the initial idea through to production

🎯 Requirements

• 5+ years of experience in Frontend Development • Strong experience with React • Strong knowledge of TypeScript and JavaScript • Experience working on large or complex web applications • Good understanding of frontend architecture, patterns, and best practices • Experience integrating REST APIs and working with backend services • Strong knowledge of HTML, CSS, responsive design, and browser behaviour • Comfortable working with Git and modern development workflows • Ability to work independently, make technical decisions, and take responsibility for your work • Good communication skills and a collaborative mindset • English Level: Fluent • All candidates must be based in Portugal or Brazil • Nice to have: Experience with Material UI or other UI/component libraries • Nice to have: Experience with Tailwind CSS or similar frameworks • Nice to have: Experience with Three.js, WebGL, or other technologies for building 3D experiences in the browser • Nice to have: Experience with Mapbox, Leaflet, OpenLayers, or similar mapping technologies • Nice to have: Experience building applications involving large amounts of data or complex visualisations • Nice to have: Knowledge of frontend performance optimisation • Nice to have: Experience with automated testing • Nice to have: Experience working in an Agile/Scrum environment