790 javascript English-speaking jobs in Warsaw

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.

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

Test Automation Engineer Miejsce pracy: Warszawa Technologies we use Expected Playwright JavaScript TypeScript ... candidate who wants to join the largest Test Services Center Team as a Test Automation Engineer with JavaScript ... experience in test automation frameworks Playwright or Selenium Proficiency in writing test scripts in JavaScript

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?

2025col-wideJob Description:Location: Warsaw (hybrid work: 2-3 days in the office)Rate:220 - 255 PLN per hourCooperation model: B2B or Employment ContractDuration: long-term agreementRecruitment 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?

experience with software development in one or more programming languages (e.g., Python, C, C++, Java, JavaScript ... structures or algorithms.Preferred qualifications:Experience in web technologies (e.g., object-oriented JavaScript ... development, across back-end such as Java, Python, GO, or C++ codebases, and front-end experience including JavaScript

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

Full-timeCompany DescriptionWe operate both on-site at our clients, and remote. Currently expanding our distributed team in Londonand Minsk with the strongest talent. Job DescriptionFocusReactive is a modern consultancy company with deep specialization in our core development stack.

About us:We are looking for a Senior JavaScript Developer to be a part of the DEVTALENTS team and contribute ... We are looking for an experienced Senior JavaScript Developer to join our team and provide technical ... ensuring we deliver the best possible solutions.Technical Experience and Skills:Expert proficiency in JavaScript

interview Online logic test Cultural fit interview Requirements: Minimum 5 years of experience in JavaScript

OverviewWith over 20 years of fully remote experience, Lumenalta offers:Fully remote workRapid growth opportunitiesSelf-ImprovementWhat You Will Work OnCollaborate with visionary enterprise clientsLearn how to handle difficult situationsTackle complex challenges at scalePush boundaries with emerging technologiesRequirementsExpertise in React, Node, Express, Mongo, SQLWe have a 2-hour assessmentSho

Test Automation Developer (JavaScript/Node.js) Miejsce pracy: Warszawa Technologies we use Expected JavaScript ... documentation Our requirements At least 3 years of experience in test automation Very good knowledge of JavaScript

Developers, we want youOur expectations:Strong knowledge of JavaScript/TypeScript and deep expertise

and test architecture Design, develop, and maintain automated E2E, API, and integration tests using JavaScript ... experience in QA automation with strong hands‑on skills and framework design 5+ years working with JavaScript ... workflows Good understanding of Agile/Scrum and the software development lifecycle Skills Proficiency in JavaScript

Development: Build user-friendly, responsive web interfaces using React.js , Redux , and modern JavaScript ... Requirements Front-End Strong experience with React.js , Redux , React Hooks , HTML5 , CSS3 , and JavaScript

We are currently seeking individuals for several exciting projects across diverse industries, including the automotive industry, where we are working on cutting-edge technologies. We are also working with banks to revolutionize financial services through advanced digital solutions.

Experience coding in C++, Python, Java, C, JavaScript, or similar languages.

and support.• Frontend Development: Build responsive, efficient user interfaces usingReact,Angular,JavaScript ... ContractJob OverviewWe are seeking an experiencedFull Stack Developerwith9+ yearsof hands-on expertise inJava,JavaScript ... degree in Computer Science, IT, or equivalent practical experience.• Strong proficiency inJava,Python,JavaScript ... FullStackJobs #GCPJobs #GoogleCloud #CloudEngineer #RemoteJobs #HiringDevelopers #Java #Python #React #JavaScript ... SoftwareEngineer #Kubernetes #Docker #DevOps #TechJobs #PolandJobs #WarsawJobsFull Stack Developer, Java, JavaScript

Requirements: JavaScript, React, CSS3, Git, HTML, REST, SQL, NoSQL, Docker, Testing, CI/CD Pipelines, ... days per year (including Italy, Spain, the UK, Germany, Portugal, and Bulgaria) Social events ,[As a JavaScript

Node.js Developer, who will join our team in the office in Warsaw.Requirements:Strong knowledge of JavaScript