159 javascript English-speaking jobs in Greater Poland Voivodeship

The engineering team embraces modern JavaScript frameworks and robust architecture practices to continuously ... initiatives driving solutions from concept and prototypes to production REQUIREMENTS Strong expertise in JavaScript

Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3, Angular or React ... Technology focus Python and JavaScript are not our only strengths, we are also very good at React Native

Requirements Python Flask JavaScript / TypeScript Cloud Experience Experience designing APIs, preferably

Knowledge about SQL databases (preferred MS SQL Server)Knowledge about Angular 16+, HTML, CSS/LESS/SASS and JavaScript

administrator, ideally in complex enterprise environments (ideally with certifications)Strong skills in JavaScript

similar practical experience Technology Stack (2025/2026) Languages: TypeScript (required) and modern JavaScript

experience as a Frontend Developer with a focus on React, Next.js and Tailwind CSS Strong proficiency in JavaScript

WordPress VIP , including performance best practices Understanding of automated testing for WordPress or JavaScript-based

Proficiency in JavaScript, HTML, CSS, RESTSOAP APIs.

Proficiency in JavaScript (for BPM UI / workflow customization) and/or Java (backend or process integration

Requirements Requirements: Strong experience in React.js and JavaScript.

+ years of relevant professional experience in frontend development Expert knowledge of React, core JavaScript ... optimization, debugging, and best practices Experience with module bundlers, reactive state management, and JavaScript

automation testingFamiliarity with BDD frameworks such as CucumberExperience working with Java, Python, or JavaScript

Frontend: Angular (>16.0) rxjs, ngrx, reactive forms Nodejs & Express & Handlebars Javascript, Typescript

MongoDB Event-driven systems Frontend Development (Angular) Angular 17 (not AngularJS) TypeScript / JavaScript

. → Experience in at least one of Upside’s backend technology stack: Ruby, Python, JavaScript or the

experience in SAP BTP development or SAP Cloud solutions Strong knowledge of ABAP and web development (JavaScript

with RavenDB, MongoDB, Couchbase, or similar NoSQL databases.Background in software development (C#, JavaScript

Microservices architecture (event-driven) MongoDB Kubernetes Frontend Angular 17 (not AngularJS) TypeScript / JavaScript

Solid expertise in at least one of the following frameworks: Python, Ruby, JavaScript – and readiness