Job Description
<p><p><b>About the Role : </b></p><p><br/></p><p>Tietoevry is seeking skilled Frontend-Focused Software Developers with strong expertise in React.js and working knowledge of Golang to join our agile team.
You'll play a critical role in developing intuitive, real-time dashboards and data visualizations that support the performance monitoring and optimization of 5G Radio Access Networks (RAN).
This is your opportunity to work at the cutting edge of telecom and software innovation, helping global telecom providers analyze massive volumes of network data for operational excellence.<br/><br/>Youll collaborate closely with telecom domain experts, backend engineers, and DevOps professionals to build scalable, secure, and high-performing solutions that power the next generation of wireless connectivity.<br/><br/><b>Key Responsibilities :</b></p><p><br/></p><p>- Lead the design, development, and maintenance of React.js dashboards that visualize RAN KPIs and network performance.<br/><br/>- Build complex UI components, data charts, and network maps using modern JS libraries like D3.js, Chart.js, or Recharts.<br/><br/>- Optimize frontend applications for responsiveness, cross-browser compatibility, and real-time data rendering.<br/><br/>- Ensure best practices in accessibility (WCAG), internationalization (i18n), and component reusability.<br/><br/>- Collaborate with backend developers to consume RESTful APIs, WebSocket, and gRPC services built in Golang.<br/><br/>- Contribute to backend development in Golang as needed - especially for features that tightly integrate frontend/backend interactions.<br/><br/>- Help define API contracts and data models for seamless data flow between front-end and backend systems.<br/><br/>- Take on Scrum Master responsibilities, driving sprint planning, daily stand-ups, and retrospectives for your cross-functional team.<br/><br/>- Maintain CI/CD pipelines (e.g., GitLab CI, Jenkins) for frontend builds and deployments using Docker/Kubernetes.<br/><br/>- Write unit tests (Jest, React Testing Library), integration tests, and participate in peer reviews to ensure code quality.<br/><br/>- Understand and interpret telecom datasets, especially RAN KPIs such as throughput, signal strength, handovers, call drops, etc.<br/><br/>- Work closely with RAN engineers to translate performance requirements into visual insights and tools.<br/><br/>- Support integration with OSS/BSS systems, network simulators, or third-party analytics platforms.<br/><br/>- Mentor junior developers in front-end best practices, state management (Redux, Context API), performance profiling, and code architecture.<br/><br/>- Lead or contribute to internal knowledge-sharing sessions, design reviews, and POCs.<br/><br/><b>Required Qualifications :</b></p><p><br/></p><p>- 4 - 8 years of hands-on experience in software development, with a focus on frontend engineering.<br/><br/>- Advanced expertise in React.js (Hooks, Context, Redux, component libraries like Material UI or Ant Design).<br/><br/>- Solid experience in building scalable, maintainable, and secure frontend applications.<br/><br/>- Proficiency in JavaScript, TypeScript, HTML5, CSS3, and modern frontend toolchains (Webpack, Babel, Vite).<br/><br/>- Good hands-on experience with Golang for microservices, API development, or backend utilities.<br/><br/>- Experience with microservices, Docker/Kubernetes, CI/CD, and cloud environments (AWS/GCP/Azure).<br/><br/>- Familiarity with unit/integration testing, performance tuning, and frontend security best practices (XSS, CSRF, etc.).</p><br/></p> (ref:hirist.tech)