Browse Frontend Jobs
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1,737 jobs found for "API"
Page 1 of 87
Lead React Developer (ReactJS, TypeScript, REST APIs)
…platforms Mentor developers, conduct code reviews, and drive engineering best practices Integrate applications with REST/GraphQL APIs and modern CI/CD pipelines Key Requirements: 8+ years of software development experience Strong expertise in ReactJS … TypeScript, JavaScript, HTML5, and CSS Experience with REST and/or GraphQL APIs Hands-on experience with Git, CI/CD, automated testing, and DevOps practices Prior experience in a Technical Lead or senior-level engineering…
INGENIEUR EN DEVELOPPEMENT FRONT-END / API F/H F/H
…Conception, développement et intégration des SI Intitulé du poste externe INGENIEUR EN DEVELOPPEMENT FRONT-END / API F/H F/H Description De La Mission À la Matmut, nous n'exerçons pas juste un métier…
Senior Shopify Developer
…performance storefronts using both custom Liquid (Online Store 2.0) and modern headless architectures (Shopify Storefront API, GraphQL, Hydrogen/Remix, Next.js). Implementing responsive, accessible, and pixel-perfect interfaces based on design specifications, with meticulous … with headless CMS platforms (Sanity, Contentful), payment gateways, subscriptions, search, and third-party e-commerce APIs. Optimizing e-commerce performance, focusing heavily on Core Web Vitals, image/video asset delivery, bundle size…
Frontend Web Application Developer
…Requirements Required Qualifications Professional experience writing, deploying, and maintaining client-side code for real-world, API-driven single-page applications. Proficiency with TypeScript, React, and related technologies, including styling, state management…
Lead I - Software Engineering (React Frontend Developer)
…mobile platforms, ensuring optimal user experience across all devices and browsers. Integrate AI/ML models and APIs into frontend applications, creating seamless user interfaces for AI-driven features such as predictive analytics, natural … applications that align with brand guidelines and accessibility standards. Implement state management solutions (Redux, Context API, Zustand) to manage complex application state and data flows, particularly for AI feature pipelines. Develop…
Software Enginner
…customer-facing platforms, contributing across both backend services and frontend applications. You'll develop scalable APIs, cloud-native services and intuitive React-based experiences, while helping build reliable data flows that support … work primarily on frontend applications using React and TypeScript, while also contributing to backend services, APIs and platform capabilities when required. This is an opportunity to work with modern cloud-native technologies…
Frontend Developer – React / TypeScript
…Roles And Responsibilities Build and maintain scalable frontend applications using React.js, TypeScript, JavaScript, Hooks, Context API, and reusable component patterns. Integrate frontend applications with REST APIs, WebSocket-based services, and real-time … including legacy AngularJS applications where required. Work with modern frontend build tools, package managers, browser APIs, testing frameworks, and debugging tools. Use AI-assisted development tools such as Cursor, Claude, GitHub Copilot…
Senior React Developer / Full-Stack Engineer
…architecture, along with working experience in Java and Spring Boot for back-end services and API integration. The successful candidate will collaborate with product managers, UX/UI designers, QA engineers, and back … components. Use JavaScript and/or TypeScript to implement application functionality. Manage application state using Redux, Context API, Zustand, or similar tools. Integrate RESTful APIs and handle asynchronous data flows. Optimize applications for performance…
React JS Developer
…Build reusable UI components and front-end modules. Work with JavaScript/TypeScript, HTML5, CSS3. Integrate REST APIs and backend services. Manage application state using Redux / Context API. Implement responsive designs and optimize application … coding standards and best practices. Must-Have Skills React.js JavaScript / TypeScript HTML5 / CSS3 Redux / Context API REST API / JSON Git Responsive Web Design Front-end performance optimization Unit Testing – Jest / React Testing…
UI Developer, AVP
…building reusable UI components, and integrating frontend applications with backend services through GraphQL and REST APIs where needed. You will work across application code and shared packages to deliver maintainable, scalable … Integrate frontend features with backend services using existing GraphQL/Apollo patterns Add or modify standalone REST API integrations where business needs require direct endpoint calls Translate UX or product requirements into robust, reusable…
Technology Consultant - React.js UI Developer
…ideal candidate should have strong hands-on expertise in React.js, JavaScript/TypeScript, HTML, CSS, and REST API integration , with a good understanding of modern frontend architecture and development practices. The role will collaborate … Translate UI/UX designs and business requirements into functional user interfaces. Integrate frontend applications with RESTful APIs and backend services. Implement application state management using Redux, Context API, or similar technologies. Optimize applications…
React Developer / Engineer
…matters in a team codebase Python proficiency: able to write backend services, REST APIs, and data manipulation scripts without significant support SQL working knowledge: able to query, filter, join, and aggregate data … isolated development (familiarity sufficient) Backend & Data Python: FastAPI, Flask, or equivalent for building REST APIs and backend services SQL: SELECT, JOIN, GROUP BY, window functions, subqueries — comfortable querying a data warehouse independently…
Next.js Developer
…Static Site Generation (SSG), and Client-Side Rendering (CSR) appropriately. Integrate frontend applications with REST APIs and/or GraphQL APIs. Optimize application performance, loading speed, SEO, and Core Web Vitals. Implement responsive user … interfaces based on Figma/design specifications. Handle authentication, authorization, routing, state management, and API integration. Write clean, testable, and maintainable code. Participate in code reviews, technical discussions, troubleshooting, and Agile/Scrum activities. Requirements Must…
Frontend Developer (React) - Assistant Vice President
…TypeScript. State Management & Data Integration: Implement robust state management solutions (e.g., Redux Toolkit, Context API, Zustand, or NgRx) and integrate frontend components with RESTful APIs, GraphQL, and WebSocket streams. Component Design & Reusability … focus on modern web/frontend technologies. React.js (Strongly Preferred): React 18+, React Hooks, Custom Hooks, Context API, Redux/Zustand. Angular (Alternative): Angular 14+, RxJS, NgRx, TypeScript. JavaScript (ES6+), TypeScript. HTML5, Semantic Markup, CSS3, modern…
Senior Frontend Developer
…high-quality web interfaces. Develop clean, maintainable, and efficient code. Integrate frontend applications with REST APIs and backend services . Troubleshoot and resolve UI, functional, and performance issues. Ensure applications work effectively across … React.js or another modern JavaScript framework. Experience developing responsive web applications . Good understanding of REST APIs and JSON . Experience with Git/GitHub/GitLab/Bitbucket . Understanding of frontend architecture and reusable components. Good knowledge of browser…
Python/React Developer
…maintain scalable web applications. The ideal candidate should have hands-on experience building microservices, REST APIs, cloud-native applications, and modern frontend solutions. Key Responsibilities Design, develop, and maintain web applications using … Python and React. Build scalable RESTful APIs and backend services. Develop responsive and user-friendly frontend interfaces using React.js. Collaborate with Product Owners, Architects, DevOps, and QA teams. Optimize application performance, security…
UI Engineer II
…especially for the engineers building Mollie's products. This means creating clean, well-documented APIs, reliable tooling and smooth workflows that make development, testing, localisation, and releases easier and more predictable … level. Experience with CI/CD pipelines and app release processes. Comfort working with native browser APIs and language primitives, and enough CSS confidence to implement interfaces using design system components. A track record…
Senior Frontend Developer
…UI/UX designs into pixel-perfect, responsive, and cross-browser compatible interfaces. Integrate and consume REST APIs and efficiently manage application state and data. Optimize frontend applications for performance, SEO, responsiveness, and cross … understanding of: HTML5 CSS3 Tailwind CSS Responsive web design Experience integrating and working with REST APIs . Experience with state and data management solutions such as: Redux Zustand TanStack Query Good understanding…
Senior Frontend Developer (React / TypeScript / Web Components)
…Emotion, and modern UI development practices. Integrate frontend applications with backend systems through REST APIs, WebSockets, and STOMP-based messaging. Design and implement Web Components and reusable UI modules that … CSS3, and SCSS React Hooks and state management frameworks such as Zustand or equivalent REST API integration, preferably using Axios WebSockets and STOMP for real-time application communication Development and integration…
Senior Frontend Application Developer
…seeking a Senior Frontend Application Developer with expertise in React, Angular, JavaScript/TypeScript, and REST API integration to build modern, scalable web applications. The ideal candidate is passionate about creating exceptional user experiences … Angular. Build responsive, accessible, and high-performance user interfaces. Integrate frontend applications with REST APIs and enterprise services. Collaborate with product owners, designers, architects, and developers to deliver high-quality solutions. Drive…