Front-End React Developer (Application Developer) (m/f/d)

Our brand Deutsche Telekom IT Solutions Slovakia entered the life of Košice region in 2006 under the name of T-Systems Slovakia and ever since has been inextricably linked with the region when became one of the founding members of Košice IT Valley. We have managed to grow from scratch to the second largest employer in the eastern part of the country with more than 3900 employees. Our goal is to proactively find new ways to improve and continuously transform into the type of company providing innovative information and communication technology services.

Project overview

You will contribute to the development and modernization of web applications supporting Radio Access Network (RAN) planning and optimization. The frontend landscape consists of multiple applications in various stages of their lifecycle, with a strategic direction towards React-based solutions using Telekom's shared React UI library.

Working in a cross-functional Agile team, you will collaborate closely with backend developers, solution designers, testers, and product owners to deliver scalable, maintainable, and user-friendly applications.

Purpose

Develops new and maintain existing source code of based applications in programming language like React and TypeScript based on requirements of internal or external customers. These applications support usually automation of business processes.

YOU WILL SUCCEED IF YOU

Responsibilities

Develop and maintain frontend applications using React and TypeScript hosted on AWS cloud; Integrate frontend applications with existing REST APIs; Work with Telekom's shared React UI library and reusable UI components; Contribute to frontend architecture and application modernization initiatives; Collaborate with developers, testers, and business stakeholders in an Agile environment; Share React knowledge, best practices, and lessons learned with other developers in the team

Requirements

Have solid hands-on experience with React and TypeScript; Have experience integrating frontend applications with REST APIs; Understand modern frontend architecture and development practices; Have experience working with component libraries, design systems, or reusable UI frameworks; Enjoy collaborating with others and sharing technical knowledge; Are proactive, solution-oriented, and eager to learn

Nice to have

Experience with Angular; Experience with frontend modernization or migration projects; Knowledge of telecommunications networks, especially RAN or O-RAN; Experience working in Agile/Scrum teams using Jira