607 javascript English-speaking jobs in Kraków

Strong JavaScript knowledge.

Strong understanding of JavaScript, TypeScript, and debugging iOS/Android integrations.

and Microservices You are passionate about Test Driven Development Proficient knowledge in HTML, CSS, JavaScript

Experience in JavaScript and Node.js. Experience with SQL and NoSQL databases.

skills Minimum 8 years of experience Nice to have Understanding of messaging protocols like FIX, Kafka Javascript

Solid understanding of TypeScript/JavaScript, React, Redux, Webpack/Vite, eslint/prettier, npm or pnpm

What You'll Bring Experience with modern JavaScript frameworks (e.g., React or Vue).

Requirements Deep knowledge of Java, Kotlin, TypeScript, JavaScript, or multiple languages is a plus.

Our tech stack includes .NET 6/7/8, REST API, JavaScript, TypeScript, ReactJS, SQL (PostgreSQL, SQL Server

equivalent experience. 3+ years in software QA, with ability to read and understand code (Python, Java, JavaScript

Requirements Deep knowledge of at least one of the following languages: Java, Kotlin, Typescript, JavaScript

Basic knowledge of programming languages like JavaScript/TypeScript or Java.

. - Knowledge of JavaScript and the ECMAScript 6 standards - Commercial experience of implementing REST

codebases Extensive knowledge of Ruby, Ruby on Rails, and its testing frameworks Experience in writing JavaScript

Nice to haves -Front-end experience (JavaScript, TypeScript, ReactJS) is a plus.

Looking For 3 years (L2) or 5 years (L3) of frontend engineering experience Deep knowledge of React, JavaScript

industry regulations, such as data privacy laws, is advantageous; Previous experience working with JavaScript

applying SOLID principles and design patterns in a variety of languages such as Microsoft SQL Server, Javascript

Application Security, or Infrastructure Security, preferably at a startup ; Knowledge of Python , TypeScript/JavaScript

experience with Node.js and Nest.js 5 years of commercial experience in web development Strong knowledge of JavaScript