299 react English-speaking jobs in Warsaw

Senior Software Engineer on the HelioScope team builds full-stack tools for large-scale solar projects. Requires 5+ years of experience, proficiency in Python, JavaScript, TypeScript, or React, and knowledge of OOP/functional paradigms.

You don't need to be a Go specialistExperience with protobuf, ConnectRPC, gRPC-web, or react-query and ... Significant experience building and operating production-grade customer-facing web applications at scale with React

Postgres and MongoDB Proficiency in front-end technologies including HTML, CSS, TypeScript, Vue.js or React

Agility – Ready to react to key stakeholder last‑minute requests and adjustments.

SnowflakeData lakes, data warehouses, and large-scale data storage architecturesTypeScript/JavaScript and React

processes for continuous improvement] Requirements: Java, JavaScript, User Interface, Communication skills, React

agile environment.Strong written and verbal communication skills.Nice to HaveFront-end experience with React

mobile device farms or cloud testing platforms, Unix/Linux system administration and troubleshooting, React

hosting, mobile device farms or cloud testing platforms, Unix/Linux administration and troubleshooting, React

Full Stack Developer for enterprise platforms. Design, develop, and deploy high-quality .NET solutions. Requires 2+ years of .NET experience, C#, SQL, and TypeScript with Angular or React. Knowledge of microservices and clean code is essential.

Excellent frontend skills: proficiency in modern JavaScript/TypeScript and a modern framework (React

What skills we'd like you to have: 5+ years of experience in full stack development, preferably in React

Experience with microservices architecture, REST APIs, frontend technologies (React, NextJS) and backend

Experience with microservices architecture, REST APIs, front‑end technologies (React, NextJS) and back‑end

Mastery of advanced prompt engineering techniques: few-shot, chain-of-thought, ReAct, and prompt chaining

and ensuring reliable outputs (e.g., self‑correction loops, specific prompting techniques like CoT/ReAct

Kafka, RabbitMQ, ESB)Experience with React, eventually TypeScriptExperience with Azure DevOps pipelinesExperience

engineering, RAG pipelines, or agent-based architectures;Familiarity with modern web frameworks such as React

workflows using AWS Glue and connected data sources.Collaborate with frontend engineers working with React

Excellent frontend skills: proficiency in moder JavaScript/TypeScript and a modern framework (React is