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5.311

Jobs in Konin, Poland

.NET Fullstack Developer (React)

Experis ManpowerGroup Sp. z o.o.

Kraków
Remote
PLN 120,000 - 180,000
30+ days ago
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Specjalista/ka ds. Marketing Automation ul. Fabryczna 17, Łódź

Media Expert Group

Łódź
Remote
PLN 120,000 - 180,000
30+ days ago

Junior Data Engineer (Databricks)

Addepto

Warszawa
Remote
PLN 80,000 - 120,000
30+ days ago

UX Designer ul. Fabryczna 17, Łódź

Media Expert Group

Łódź
Remote
PLN 180,000 - 240,000
30+ days ago

SAP Project Manager

Experis ManpowerGroup Sp. z o.o.

Kraków
Remote
PLN 120,000 - 160,000
30+ days ago
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Remote Product Designer — Growth Budget & Global Team

YND Consult GmbH

Warszawa
Remote
PLN 120,000 - 180,000
30+ days ago

Asystent/tka ds. technicznych

sprawniwpracy

Opole
Remote
PLN 30,000 - 120,000
30+ days ago

Asystent/tka ds. komunikacji

sprawniwpracy

Opole
Remote
PLN 30,000 - 120,000
30+ days ago
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Przedstawiciel Techniczno-Handlowy

edrone

Łódź
Remote
PLN 120,000 - 180,000
30+ days ago

Java Developer with AWS

Experis ManpowerGroup Sp. z o.o.

Wrocław
Remote
PLN 180,000 - 240,000
30+ days ago

Senior EIS Developer/Technical Manager

Experis ManpowerGroup Sp. z o.o.

Wrocław
Remote
PLN 320,000 - 375,000
30+ days ago

SEO Manager (Polish and/or German)

Last Minute Group

Warszawa
Remote
PLN 170,000 - 256,000
30+ days ago

Quality Control Manager (Remote)

Novakid School

Warszawa
Remote
PLN 127,000 - 171,000
30+ days ago

Angular Developer

stermedia

Wrocław
Remote
PLN 180,000 - 240,000
30+ days ago

Mobile Developer (BLE, Flutter / iOS / Android)

intent sp. z o.o.

Warszawa
Remote
PLN 180,000 - 240,000
30+ days ago

Senior Cloud Backend Engineer

intent sp. z o.o.

Warszawa
Remote
PLN 180,000 - 240,000
30+ days ago

Player Engagement Agent - Italian/English - Remote

Keyword Studios

Katowice
Remote
PLN 120,000 - 180,000
30+ days ago

Remote Player Engagement Specialist (Italian)

Keywords Studios

Katowice
Remote
PLN 40,000 - 50,000
30+ days ago

Player Engagement Agent - Italian/English - Remote

Keywords Studios

Katowice
Remote
PLN 40,000 - 50,000
30+ days ago

Asystent/tka ds. handlowych (przetargi)

sprawniwpracy

Opole
Remote
PLN 30,000 - 120,000
30+ days ago

Scrum Master (f/m/x) Tech roles (Delivery) Wrocław (Poland) Fully Remote

Cloudflight

Wrocław
Remote
PLN 120,000 - 180,000
30+ days ago

Sr. Back End Integrations Software Engineer

Cerebras

Województwo mazowieckie
Remote
PLN 180,000 - 240,000
30+ days ago

Konsultant IBM Planning Analytics (TM1)

IT LeasingTeam Sp. z o. o.

Warszawa
Remote
PLN 120,000 - 180,000
30+ days ago

Remote Kundenberater für Online-Werbung & Strategie

TELUS International

Opole
Remote
PLN 127,000 - 170,000
30+ days ago

Call Center Agent with German (m/w/d) - REMOTE

TELUS International

Opole
Remote
PLN 127,000 - 170,000
30+ days ago

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.NET Fullstack Developer (React)
Experis ManpowerGroup Sp. z o.o.
Kraków
Remote
PLN 120,000 - 180,000
Full time
30+ days ago

Job summary

A prominent technology recruitment firm is looking for a Full-Stack Developer for a remote position. The ideal candidate will modernize applications, enhance UI components, and utilize DevOps practices. Requirements include expertise in React, .NET, and a strong understanding of functional programming. This role offers benefits like MultiSport Plus and group insurance.

Benefits

100% remote work
MultiSport Plus
Group insurance
Medicover Premium
E-learning platform

Qualifications

  • Strong expertise in modern web development practices.
  • Experience with both front-end and back-end technologies.
  • Knowledge of functional programming principles.

Responsibilities

  • Modernize legacy applications.
  • Build and enhance UI components.
  • Integrate APIs and deploy applications to Azure.
  • Apply testing methodologies in development.
  • Implement state management effectively.

Skills

React (latest)
TypeScript (including generics)
JavaScript (ES6+)
HTML5
CSS3
SCSS
Context API
Redux
Axios
Jest
React Testing Library
Webpack
Node.js
NPM
.NET (latest)
C#
Web API
Entity Framework Core
SQL Server
Job description

We are seeking a highly skilled Full-Stack Developer with strong expertise in both front-end and back-end technologies. The ideal candidate will be responsible for modernizing legacy applications, building and enhancing UI components, integrating APIs, and deploying applications to Azure using DevOps practices. A strong understanding of functional programming principles and testing methodologies is essential.


Tasks:
Modernizing Legacy Applications
  • Convert class-based components to functional ones using hooks.
  • Ensure backward compatibility and performance optimization.
Building and Enhancing UI Components
  • Analyze and refactor components from React v16 to React v19.
  • Develop responsive interfaces using HTML5, CSS3, SCSS.
  • Implement accessibility standards (WCAG, ARIA).
State Management Implementation
  • Integrate Context API or Redux for complex state handling.
  • Optimize state flows across components.
API Integration
  • Connect front-end components to REST APIs using Axios or fetch.
  • Handle loading states, errors, and data transformation.
Creating and Publishing NPM Packages
  • Build reusable components and package them for internal/external use.
  • Configure Webpack or Vite for bundling and deployment.
Testing Responsibilities
  • Apply TDD/BDD methodologies using Jest and React Testing Library.
  • Use mocks and fakes to simulate API responses and component behavior.
Cloud & DevOps Tasks
  • Set up Azure App Services and Functions.
  • Configure CI/CD pipelines using Azure DevOps.
Functional Programming Practices
  • Use pure functions, immutability, and declarative patterns.
  • Apply React Hooks, Higher-Order Components (HOCs), and composition techniques.

Requirements:
Front-end Skills
  • React (latest), TypeScript (including generics), JavaScript (ES6+), HTML5, CSS3, SCSS.
  • State Management: Context API, Redux or similar.
  • API Integration: Axios, fetch.
  • Testing: Jest, React Testing Library.
  • Build Tools: Vite, Webpack, Node.js.
  • Packaging: NPM and creating NPM packages.
  • Web Accessibility: WCAG, ARIA (preferred).
  • Server-side Rendering: Next.js or experience with SSR, SSG, lazy loading (preferred).
  • Functional Programming: Immutability, pure functions, declarative programming, React Hooks, HOCs, functional composition (preferred).
Back-end Skills
  • .NET (latest), C#, Web API, Entity Framework Core, LINQ.
  • Databases: SQL Server, Cosmos DB (NoSQL).
  • Testing: xUnit/NUnit.
  • Best Practices: OOP, SOLID principles, IoC, DI, clean architecture, DDD, asynchronous programming, generics.
  • Security & Authentication: OAuth, JWT, Microsoft Entra ID (Azure AD), OWASP (preferred).

Offer:
  • 100% remote work
  • MultiSport Plus
  • Group insurance
  • Medicover Premium
  • e-learning platform
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* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.

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