Senior Frontend Developer (React / Next.js, and German language)

SoftServe; Polska; Híbrido; PLN 230.000 - 320.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Health coverage

Paid time off

Learning opportunities

Work from home / hybrid

Descripción de la vacante

SoftServe seeks a Senior Frontend Developer to shape the UI of a data-heavy web app for a German transmission system operator. You will own the frontend from import/validation to filtering and visualization, interfacing with backend and content platform specialists.

You will use React, Next.js, TypeScript, Nest.js for BFF, and integrate with Sitecore XM Cloud. Strong German (C1) and English skills are required, with Azure DevOps CI/CD pipelines and Azure hosting.

Formación

• 5+ years of professional frontend development experience.
• 3+ years of hands-on experience with React, Next.js, and TypeScript.
• 1+ year of experience with headless CMS platforms, preferably Sitecore XM Cloud or comparable.
• Proven experience with microfrontend architectures and with backend-for-frontend implementations using Nest.js.
• 3+ years of experience working with REST and GraphQL APIs.
• Solid knowledge of HTML and CSS in modern web applications, including Tailwind CSS and UI component libraries such as Radix UI.
• Practical experience with Microsoft Azure and Azure DevOps, including CI/CD pipelines.
• Experience with monorepo-based development environments.
• Scalable frontend architectures in enterprise environments.
• Frontend performance optimization.
• Fluent German (C1) and very good English for client interaction and documentation.

Responsabilidades

• Develop the application frontend with React, Next.js, and TypeScript for data-heavy workflows.
• Build and maintain the backend-for-frontend layer with Nest.js and expose UI via REST/GraphQL APIs.
• Integrate with a headless CMS (Sitecore XM Cloud or similar) for content delivery.
• Implement bulk import/export (e.g., from Excel) with validation, filtering, and visualization.
• Structure the UI as microfrontends using Tailwind CSS and Radix UI components.
• Collaborate with designers, backend engineers, and client stakeholders on features.
• Set up and maintain CI/CD pipelines in Azure DevOps and deploy to Azure.
• Contribute to code reviews and frontend best practices.

Conocimientos

Frontend development

React

Next.js

TypeScript

REST APIs

GraphQL

HTML/CSS

Tailwind CSS

Radix UI

Azure DevOps

Azure

Nest.js

Monorepo

German language

Herramientas

Sitecore XM Cloud

Nest.js

Microsoft Azure

Azure DevOps

Tailwind CSS

Radix UI

Descripción del empleo

Senior Frontend Developer (React / Next.js, and German language)

In this role, you will shape the user experience of a modern web application that gives engineers and planners at a German transmission system operator clear, fast access to technical asset information. You will own the interface of a data-heavy product, from importing and validating structured data to filtering and visualizing it, working side by side with backend and content platform specialists.

Responsibilities

• Develop the application frontend with React, Next.js, and TypeScript, creating fast, accessible interfaces for data-heavy workflows
• Build and maintain the backend-for-frontend layer with Nest.js, serving the UI through REST and GraphQL APIs
• Integrate the application with Sitecore XM Cloud or a comparable headless CMS to deliver managed content reliably
• Implement bulk import and export of structured data (for example from Excel), including validation, filtering, and visualisation
• Structure the UI as microfrontends, using Tailwind CSS and Radix UI components to keep it consistent and easy to extend
• Collaborate closely with designers, backend engineers, and client stakeholders to turn business needs into usable features
• Set up and maintain CI/CD pipelines in Azure DevOps and deploy to Microsoft Azure
• Contribute to code reviews and share frontend best practices within the team

Requirements

• 5+ years of professional frontend development experience
• 3+ years of hands-on experience with React, Next.js, and TypeScript
• 1+ year of experience with headless CMS platforms, preferably Sitecore XM Cloud or comparable
• Proven experience with microfrontend architectures and with backend-for-frontend implementations using Nest.js
• 3+ years of experience working with REST and GraphQL APIs
• Solid knowledge of HTML and CSS in modern web applications, including Tailwind CSS and UI component libraries such as Radix UI or comparable
• Practical experience with Microsoft Azure and Azure DevOps, including CI/CD pipelines
• Experience with monorepo-based development environments
• Scalable frontend architectures in enterprise environments
• Frontend performance optimization
• Fluent German (C1) and very good English for working with the client, joining technical discussions, and writing documentation

SoftServe is an equal opportunity employer. Qualified applicants will receive consideration regardless of race, color, ancestry, ethnicity, national origin, religion, sex, sexual orientation, gender identity or expression, age, citizenship, disability, health condition, marital or family status, veteran status, or any other characteristic protected by applicable law.

About us

We are a digital engineering and technology consulting company where expertise grows alongsidepeople. For more than 30years, we have been elevating technology: helping organizations navigate complex businesschallenges by combining deepengineering knowledge with thoughtful, research-backed innovation. Our teams work across keyareas: digitalengineering, data and analytics, Сloud, and AI/ML. In each, we deliver practical, scalablesolutions rooted in realbusiness needs and measurable human impact.

You bring your perspective and ambition. We create an environment where your work meetsclarity, confidence, andpurpose.

We offer

Work from home, from the office, or in a hybrid format that supports focus andcollaboration.

Competitive, market-based pay, benchmarked by role andlocation — plus health coverage, paid time off, wellness support, and learningopportunities.

Approachable leaders who communicate openly, keep teams close to the strategy, andsupport long-term planning.

Advanced tech communities

Stay close to AI/ML, Cloud, Quantum Computing, IoT, andRobotics communities, with projects built on modern frameworks.

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