🇸🇰 Remote work, Slovakia
Senior Frontend Software Developer - React (m/f/d)
Deutsche Telekom IT Solutions Slovakia
ProfesiaseniorEnglish-friendly€3kremote
Open positions About us Learn & Grow We offer Open positions Technical Deutsche Telekom IT Solutions Slovakia Senior Frontend Software Developer - React (m/f/d) Place of work Remote work Contract type full-time Wage (gross) From 3 100 EUR/monthFinal salary is negotiable.We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary we provide variable part and other financial benefits. We are looking for a Senior Frontend Developer/Engineer to join the team behind Charisma and take technical ownership of modern user interfaces for a solution supporting complex operational and rollout processes. What will you do? You will lead the development and continuous improvement of React applications and Bryntum-based user interfaces, with a strong focus on architecture, scalability, performance, maintainability, accessibility, and quality. Beyond delivering new functionality, you will guide technical decisions, improve existing production applications, strengthen frontend standards, and help expand test automation across the project.You will work closely with frontend and backend engineers, quality engineers, business experts, customers, and stakeholders in an agile delivery environment, translating complex business needs into sustainable user-facing solutions and supporting the Frontend Software Developer working on the same project.Lead the design, development, and continuous improvement of modern frontend applications using React and TypeScriptDefine and apply frontend architecture standards using JavaScript ES6+, HTML5, CSS3, and Material UIDesign, build, and optimize advanced Bryntum-based interfaces and componentsTranslate complex customer and stakeholder requirements into scalable, intuitive, and maintainable frontend solutionsOwn frontend integration concepts with backend services using REST APIs and WebSocketsProvide advanced guidance on React Hooks, React Router, Redux, and Redux ToolkitDrive component-based architecture, state management, clean code principles, design patterns, and frontend best practicesImprove application responsiveness, accessibility, technical consistency, and overall frontend performanceShape and contribute to Micro Frontend architectures together with the development teamLead the design and maintenance of automated frontend and UI tests using React Testing Library, Cypress, and PlaywrightPromote Test-Driven Development practices and pragmatic quality standards where appropriateWork with Git, CI/CD pipelines, and Docker and support improvements to the development lifecycleLead collaborative code reviews, mentor less experienced developers, and support the Frontend Software Developer working on the same projectCoach and mentor through, technical guidance, code reviews, and knowledge sharingSupport the professional growth of frontend team members by sharing best practices, explaining architectural decisions, and helping establish consistent engineering standardsWork in an agile environment using Scrum, Kanban, or LeSS, actively contributing to planning, refinement, and delivery discussionsTake a senior role in stabilizing the production solution, resolving complex issues, and supporting further rollout activities with customers and stakeholders You will succeed if you: have:Extensive hands-on experience with React in complex production applicationsAdvanced knowledge of JavaScript ES6+, TypeScript, HTML5, and CSS3Strong experience building scalable user interfaces with Material UIStrong experience integrating frontend applications with REST APIs and aligning API contracts with backend teamsAdvanced experience with WebSocket management and real-time user interfacesDeep practical experience with React Hooks, React Router, Redux, and Redux ToolkitStrong experience working with and extending Bryntum ComponentsStrong understanding of responsive design and accessibility, including WCAGAdvanced understanding of component-based architecture, state management, clean code, and design patternsProven experience with frontend performance optimization in production environmentsPractical understanding of Micro Frontend architectures and their operational trade-offsStrong experience with frontend testing strategy and test automation using technologies such as React Testing Library, Cypress, and PlaywrightPractical understanding of Test-Driven Development and quality-driven engineering practicesStrong practical experience with Git, CI/CD pipelines, and DockerExperience mentoring developers, reviewing technical designs, and improving team engineering practicesProven ability to mentor frontend developers, provide constructive technical feedback, and raise the technical maturity of the teamExperience communicating with customers, stakeholders, business experts, and cross-functional teamsExperience working in agile development environments and with Jira, including refinement, planning, and delivery coordinationAnd speak English (min. level B2).Nice to Have:Experience leading or shaping Single-SPA Micro Frontend solutionsExperience with Next.jsExperience with Vite and modern frontend build optimizationExperience with GraphQLExperience with Web ComponentsExperience acting as a technical counterpart for customer-facing discussions, demos, or rollout supportExperience using AI-assisted development tools such as GitHub Copilot or Microsoft 365 Copilot Why should you choose us? We believe in balance between work and personal life. An attractive and extensive work-life balance portfolio guarantees lasting motivation for employees and thus a better quality of life, promotes physical and mental well-being and contributes to a positive work environment. All this with the aim of providing more freedom in reconciling work, career growth, private life and individual lifestyle. Therefore we offer to our employees over 25 different benefits to improve their personal and professional life in these areas: Financial benefits Benefits with focus on learning and development * Benefits with focus on health and sport * Benefits with focus on family and work - life balance Other benefits * For more information about our benefits click to Benefits. Benefits with * are applicable also to part-time positions. This information may be subject to changes and other internal rules. Wage (gross) From 3 100 EUR/monthFinal salary is negotiable.We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary we provide variable part and other financial benefits. Contact Contact person: Ing. Lenka KiššováE-mail: send CV Apply now Deutsche Telekom IT Solutions SlovakiaMoldavská cesta 8B, 040 11 Košice www.deutschetelekomitsolutions.sk DL_TSSK_HR_Recruitment@t-systems.com Apply for a job Recommend job to a friend E-mail Facebook Viber Whatsapp ID: 5349284 Dátum zverejnenia: 25.9.2026 2026-09-25 lokalita: Remote work Pozícia: Frontend Developer, Programmer Spoločnosť: Deutsche Telekom IT Solutions Slovakia Základná zložka mzdy (brutto): 3 100 EUR/month document.addEventListener('DOMContentLoaded', function () { var url = '\/sk\/offers\/5349284\/recommendations\/offer\u002Ddetail\u003Fcategories\u00255B0\u00255D\u003D5\u0026positions\u00255B0\u00255D\u003D746\u0026positions\u00255B1\u00255D\u003D70\u0026position_level\u003D4\u0026job_type_id\u003D1'; $.getJSON(url).done(function (response) { var componentIds = Object.keys(response.data.components); $.each(componentIds, function (index, componentId) { $('#' + componentId).html(response.data.components[componentId].html); }); }); });Sourced from Profesia. 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