554 javascript English-speaking jobs in Masovian Voivodeship

Develop RESTful APIs, user interfaces, and secure file upload mechanisms for embedded Linux systems. Experience with FastCGI, networking, video streaming, and camera/ISP configuration required.

technologies-expected : JavaScript TypeScript Playwright GitLab Jenkins technologies-optional : Docker ... GraphQL about-project : We are seeking a Senior QA Automation Engineer with strong expertise in JavaScript ... years of experience in test automation within product or platform teams Proficiency in TypeScript or JavaScript

About The Role As a JavaScript developer (React), you will join a team responsible for building and maintaining ... You’ll Bring 3+ years of experience with commercial web application development Strong knowledge of JavaScript

We are currently seeking a Senior JavaScript Engineer to join one of our clients ' teams. ... Who You Are: Proficient in JavaScript , with strong hands-on experience in backend development using

Software Engineer will contribute across the technology stack, from microservices to front-end development. Collaborate with cross-functional teams to develop digital products. Requires 4+ years of front-end development experience using React.js and Node.js, experience with AWS, and understanding of microservices architecture and API design. Proven experience in testing code and Continuous Integration/Continuous Delivery.

JavaScript Engineer to integrate with client teams, providing project leadership and technical expertise. Experience with React applications, cloud services, and RESTful APIs required.

REST, GraphQL.Tooling: Jira, Git, Figma, Confluence.Competences:Strong front-end skills: HTML, CSS, JavaScript

Senior UI Engineer will lead performance optimization efforts for a SaaS Cloud-based platform, developing new functionalities and ensuring scalability. The role requires strong communication, collaboration, and experience with Node.js, NextJS, React.js, and RESTful APIs.

technologies-expected : Playwright Cypress Selenium TypeScript JavaScript Gatling JMeter Git about-project ... of 2027 remote, then hybrid from Warsaw Salary: 5 000 - 6 650 EUR NET Technology stack: Typescript, Javascript ... , Cypress, or Selenium — you've built with them, not just maintained them; Solid TypeScript and JavaScript

Full-stack developer specializing in JavaScript and Python (Django, Channels) for responsive web design. Requires 2+ years experience and proficiency in Git, SVN, or similar. Remote work possible for Poland-based candidates.

React Material-UI Redux NGINX Optional JavaScript frameworks Operating system Windows macOS Linux About ... PostGreSQL MongoDB Confluent Kafka Docker Kubernetes Azure AWS Azure DevOps Keycloak OIDC TypeScript JavaScript ... AWS Proficiency in CI/CD using Azure DevOps Experience with Keycloak OIDC Knowledge of TypeScript / JavaScript ... collaborative working mindset Optional Previous domain knowledge of document processing Familiarity with 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

B2B Start date: ASAP Recruitment process: 2 - 3 online interviews Technology stack: React, jQuery, Javascript ... Your skills and experiences: -> 4 years of experience with React and the JavaScript ecosystem (Webpack

Description We are hiring a Senior / Lead JavaScript Developer , who has experience designing and developing ... responsible for design, development, deployment and support of products and platforms that leverage JavaScript

QA Automation Engineer needed to design, implement, and maintain automation frameworks for UI and API layers using Playwright Node.js and/or Java Selenium/RestAssured. Build end-to-end automated test coverage and execute manual validation when needed. Collaborate with teams to refine test scenarios and ensure traceability. Requires 3+ years of QA experience with automation engineering, hands-on Playwright expertise, and strong knowledge of web application and API testing.

Acquisition Cross-functional Systems Design Microservices Architecture Scalability TypeScript JavaScript ... JavaScript, TypeScript Node.js React PostgreSQL, MySQL, Redis, Document/MongoDB, AuroraDB SQS, Event ... Acquisition, Cross-functional, Systems Design, Microservices, Architecture, Scalability, TypeScript, JavaScript

technologies-expected : Kotlin Java Python JavaScript Jenkins GitHub Actions CircleCI technologies-optional ... Experience with at least one programming language (e.g., Kotlin, Java, Python, JavaScript).

technologies-expected : Python JavaScript HTML CSS AWS Microsoft Azure Google Cloud Platform technologies-optional ... Solid foundation in core web technologies: HTML structure, CSS selectors, client-side JavaScript, and ... Complex Navigation: Solve technical challenges like pagination and AJAX/JavaScript-driven content loading ... Strong programming skills in Python and JavaScript, with extensive experience using common data extraction

Technologies & Tools Python Data Engineering AWS Observability tools JavaScript / TypeScript React.js

Designs, implements, and maintains end-to-end automated tests in TypeScript. Collaborates with engineers throughout the feature lifecycle. Contributes to test automation frameworks and ensures alignment with CI/CD pipelines.