1107 javascript English-speaking jobs in Masovian Voivodeship

We’re looking for an experienced Lead Software Engineer to join Klarna’s engineering team. You’ll play a critical role in building scalable, reliable systems and driving technical excellence across our products. This position combines hands-on coding with leadership, mentorship, and strategic decision-making.

experience in a technical role (e.g., software engineering, technical consulting) • Strong coding skills in JavaScript

We want to keep the monorepo as the best place to build, test, and collaborate on JavaScript code, and ... Therefore, interest and experience in JavaScript and HTML5 application performance and optimization is ... You will be skilled in Angular, TypeScript, , and JavaScript, all of which we are using to build a unified ... Poland, we deliver world-class fintech solutions with global reach.Role DescriptionWe are looking for JavaScript ... Ideally, you will be keenly in touch with the JavaScript community and keeping an eye on the latest developments

Overview We are looking for a motivated and proactive JavaScript Developer to join our Support & Hands ... Requirements 2+ years of commercial experience in Frontend / JavaScript development; Hands-on experience

requirements-expected : Strong proficiency in JavaScript (ES6+). ... Stay updated with the latest JavaScript frameworks, libraries, and best practices. ... technologies-expected : JavaScript React Vue.js Angular HTML CSS Git Webpack Parcel Vite technologies-optional ... The ideal candidate will have a strong background in building modern web applications using JavaScript ... MD rate: 180 - 220 EUR responsibilities : Develop and maintain web applications using JavaScript.

You're fluent in Express.js, REST APIs, and modern JavaScript/TypeScript design patterns. ... Senior Node.js Engineer Miejsce pracy: Warszawa Technologies we use Expected Node.js JavaScript TypeScript ... Debug, profile, and monitor application performance Our requirements 4 years of experience in Node.js, JavaScript

Front-end: HTML, CSS, JavaScript, Reactjs. ... technologies-expected : Java 21 Spring Boot Redis SQL HTML CSS JavaScript React.js Git GitLab Maven Kubernetes

Employer: Klarna Location: Warsaw (hybrid work: 2-3 days in the office) Rate: 220 - 255 PLN per hour Cooperation model: B2B or Employment Contract Start date: ASAP Duration: long-term agreement Recruitment process: 1 timed Abstract and Logical Reasoning Test (up to 15 minutes); 1 short interview (up to 30 minutes) Do you want to play a key role in revolutionizing the future of finance?

We’re looking for an experienced Lead Software Engineer to join Klarna’s engineering team. You’ll play a critical role in building scalable, reliable systems and driving technical excellence across our products. This position combines hands-on coding with leadership, mentorship, and strategic decision-making. We offer a hybrid work model in Warsaw’ s vibrant Wola district.

requirements-expected : Strong JavaScript and React knowledge. ... Swift Java about-project : We’re looking for a React Native / JavaScript developer. ... technologies-expected : JavaScript React React Native Redux Git technologies-optional : Jira Objective-C

, a leading Software Development company with an employee size of 11-50 members, is seeking a React JavaScript ... debug issues, and provide timely resolutions Requirements Minimum of 3 years of experience in React and JavaScript ... Barrier-free access Career Training Flexible working hours Home Office Remote work Join NEATsoft as a React JavaScript

within the development lifecycle, and improve processes.Build  internal tools and reports  using JavaScript ... Bachelor's degree in Computer Science, Software Engineering, or related field.Strong experience in JavaScript ... reliability.Key Responsibilities:Lead and develop  automation projects  with  Google Apps Script, N8N, and JavaScript

CMS with Saas.Our RequirementsProven experience with Sitecore XM Cloud development.Strong skills in JavaScript

Frontend Developer (JavaScript) Your Tasks Will Include Development of UI elements (dialogs, wizards, ... Expect From You 3+ years of experience with commercial web application development Good knowledge of JavaScript

2025 col-wide Job Description: Location: Warsaw (hybrid work: 2-3 days in the office) Rate: 220 - 255 PLN per hour Cooperation model: B2B or Employment Contract Duration: long-term agreement Recruitment process: 1 timed Abstract and Logical Reasoning Test (up to 15 minutes); 1 short interview (up to 30 minutes) Do you want to play a key role in revolutionizing the future of finance?

Overview You posses: Good knowledge of JavaScript (ES5, ES6, ES7) and JavaScript frameworks is a plus ... Requirements Good knowledge of JavaScript (ES5, ES6, ES7) and JavaScript frameworks is a plus (especially

As a Senior JavaScript Developer & Researcher, you will play a critical role in our mission to fight ... our product suite of comprehensive Ad Verification solutions and are looking for a talented Senior JavaScript ... As a Senior JavaScript Developer & Researcher, you will play a critical role in our mission to fight ... Technologies and Tools: - Advanced JavaScript / TypeScript - Advanced SQL - Google Cloud Infrastructure ... Technologies and Tools: - Advanced JavaScript / TypeScript - Advanced SQL - Google Cloud Infrastructure

technologies-expected : JavaScript technologies-optional : Python about-project : We are looking for ... a technically skilled and solution-oriented AI & Automation Engineer with strong JavaScript experience ... and maintain automation logic (workflow triggers, config changes, DB updates) Write clean, scalable JavaScript ... role (e.g. software engineering, solutions engineering, technical consulting) Strong coding skills in JavaScript

React Developer (2-months contract) Miejsce pracy: Warszawa Technologies we use Expected JavaScript CSS ... Your responsibilities Style and customize web components and templates Build engaging CSS and JavaScript ... Use Git and CI/CD pipelines to manage version control and deployments Apply best practices in modern JavaScript ... Experience Manager, including HTL/Sightly, ClientLibs, and Core Components Understanding of modern JavaScript ... within the team Our requirements 3–5 years of experience in front-end development Strong knowledge of JavaScript

Requirements: JavaScript, React, Node.js, Express.js ... Good knowledge of HTML5, CSS3, and modern JavaScript (ES6+). ... Good knowledge of HTML5, CSS3, and modern JavaScript (ES6+). ... Good knowledge of HTML5, CSS3, and modern JavaScript (ES6+). ... Responsibilities Front-End: Build and maintain responsive user interfaces with React.js, Redux, and modern JavaScript