858 react English-speaking jobs in Warsaw

Senior Full-Stack Developer will design, develop, and maintain a high-impact web platform. Requires 3+ years of experience with CSS, Node.js/Typescript, and Nest.JS, plus 2+ years of experience with MySQL and building scalable backend services. Must have experience with AI-powered development tools and web application development.

Proficiency in React web development. Proficiency in building REST APIs. ... Join to apply for the Lead Full-stack Engineer (React & .NET) role at Relativity. 1 week ago – Be among

Hands‑on experience with React or Angular. Knowledge of cloud technologies (preferably AWS).

Tech Lead for a platform supporting investment analysts in making trading decisions. Focus on building a scalable data and analytics layer. Requires Python, AWS, and Java expertise. Proven leadership, agile delivery, and mentoring skills.

build the best in class global Finance function that is technologically sound, future proof and can react

PermanentResponsibilities7 or 8+ years of experience in full stack development with strong expertise in Java (Spring Boot), React

experience (building, running, testing, and monitoring web applications).An Understanding of , Javascript, React

Participates in the establishment and implementation of new or revised application systems. Contributes to applications systems analysis and programming activities. Identifies system enhancements, consults with users, and recommends programming solutions. Applies fundamental programming knowledge for design specifications. Analyzes problems, implements solutions, and resolves issues using technical experience.

Full Stack Developer needed for client projects. Must have strong Python skills (Django, Flask, or FastAPI), ReactJS, JavaScript, and experience with RESTful APIs and databases. Excellent communication and collaboration skills required.

Senior Software Developer - React Native Our Client is one of the largest TV providers in North America

Full-Stack Developer (Java + React)We are looking for a Full-Stack Developer responsible for developing ... documentationRequirementsMinimum 3 years of experience with Java (8/11/17 and newer)Minimum 3 years of experience with React

HaveBachelor's degree or equivalent practical experience.3+ years of experience working in the React

have:Bachelor's degree or equivalent practical experience.3+ years of experience working in the React

The role involves developing RESTful APIs, integrating frontend applications built with React, and ensuring ... scalable backend services using Spring Boot Build responsive and user-friendly UI components using React ... hooks, state management) Proficiency in HTML, CSS, JavaScript (ES6+) Experience integrating frontend React

and understand modern React patterns. ... Experience with testing principles and frameworks (Jest, React Testing Library, Playwright, etc.). ... Strong proficiency in React framework – you have extensive experience building complex, scalable applications

Solid experience with React / TypeScript for admin UIs and dashboards. ... Implement UI components in React/Next.js for dashboards, scheduling calendars, and admin tooling. ... Hands-On Engineering (50%) Contribute production-grade code in Python, TypeScript/React, and GCP environments

in Python can make a real difference.Tech StackBackend: Python 3.1x, Django 4.x, Django ORMFrontend: React ... written English communication skillsReadiness to work with Windows (WSL)Nice To HaveFrontend experience (React

maintain scalable web applications using Java (Spring Boot) and front-end technologies like Angular or React ... Requirements 8+ years of experience in full stack development with strong expertise in Java (Spring Boot), React

balancing practicality and innovation, short and long-term.You will be working with Vue3, TypeScript, React ... self-taught and a very independent problem solver.Proficiency in Vue3 and TypeScript, with experience in React

and maintain clean APIs (REST/tRPC/GraphQL) with full type safety Develop rich web interfaces with React ... We’re Looking For Deep TypeScript expertise and modern Node.js experience Strong frontend skills in React