Senior C# .NET Frontend Developer (m/w/d)

virtual7jobs specializes in digital transformation for Germany's public sector, delivering solutions that impact millions. The Customer Cluster Finance team is looking for a Frontend React Developer (m/w/d) to join them remotely and contribute to the next generation of public sector applications. Role overview This role focuses on designing and developing user-friendly interfaces for public sector software. The Frontend React Developer will guide features from concept through release, collaborating with UX, backend, and QA colleagues throughout the process. Main responsibilities Develop and maintain modern frontend components using React Plan and implement new features in ongoing React projects Uphold code quality by following coding guidelines, writing structured and reusable code, and applying standard testing practices including code reviews Work closely with UX, backend, and QA teams from requirements gathering to go-live Emphasize performance, accessibility, and maintainability in all development work Requirements At least five years of practical experience with React, JavaScript, and TypeScript Ability to write clean, maintainable code, including state management and hooks, with a strong focus on testing Experience using collaborative tools and workflows such as Git, code reviews, and ticket systems Knowledge of Playwright (E2E testing), BITV, and Java basics for interfaces is an advantage but not required Structured, independent work style paired with strong teamwork skills Fluent German (minimum B2) and solid conversational English Benefits Defined roles, transparent communication, and a shared mission shape the team culture Chance to contribute to projects with company-wide impact Flexible working hours and fully remote work from your home office Personal hardware budget to create a workspace that fits your needs Mental health support via OpenUp, with access to assistance as needed

bitlane is actively seeking a talented Senior Frontend Developer specialized in React to join our vibrant team. The ideal candidate will possess substantial and hands-on experience in JavaScript, have a solid understanding of TypeScript or ES6, and demonstrate proficiency with the React/Redux ecosystem. We value individuals who are passionate about crafting lean and user-friendly interfaces, ensuring an exceptional user experience. If you resonate with this, we encourage you to apply!Key Responsibilities:Designing and developing responsive, modern user interfaces utilizing JavaScript, HTML, and CSS.Delivering high-quality applications by designing and implementing new features into production.Establishing development, testing, and production environments across various platforms, browsers, and devices.Collaborating closely with backend developers to guarantee a seamless user experience and a robust overall architecture.Defining project scope in conjunction with a project manager.Communicating your work progress effectively and adhering to deadlines set by yourself and the project manager.

Liegt dir das Wohl deiner Patienten am Herzen? Schätzt du ein familiäres MITEINANDER und TEAMARBEIT in deinem beruflichen Umfeld? Dann ist unser Medizinisches Versorgungszentrum (MVZ) in Düsseldorf der perfekte Ort für dich! Starte deine Karriere bei einem der größten Anbieter in Deutschland im Bereich Zahnmedizin und bewirb dich jetzt als Zahnarzt (m/w/d).Deine VorteileTeamgeist: Werde Teil eines hochmotivierten und familiären Teams, das aus über 55 verschiedenen Nationalitäten besteht.Fortbildung: Nutze die Möglichkeit zur persönlichen und beruflichen Weiterentwicklung in unserer hauseigenen Akademie.Attraktive Vergütung: Genieße überdurchschnittliche Gehälter, attraktive Umsatzbeteiligungen, diverse Mitarbeiterrabatte und das Deutschlandticket für Bus und Bahn.Work-Life-Balance: Durch unser flexibles Schichtsystem hast du trotz Vollzeitbeschäftigung regelmäßig einen halben Tag frei (Wechsel zwischen 7:30 - 15:30 Uhr und 12:30 - 20:30 Uhr) und keinen Wochenenddienst.Networking: Vernetze dich standort- und fachübergreifend und tausche Erfahrungen mit anderen Kollegen aus.Deine AufgabenEigenverantwortliche Beratung und Behandlung in allen Bereichen der allgemeinen Zahnheilkunde.Fokussierung auf konservierende zahnärztliche Tätigkeiten und Zahnchirurgie.Verantwortung für das strahlende Lächeln und die Zahngesundheit unserer Patienten.Enger Austausch mit anderen Behandlern und Einbringung deiner Erfahrungen.

Join our innovative team at check24 as a Full-Stack Developer with a strong focus on Frontend technologies. You will collaborate with cross-functional teams to create and enhance user-friendly web applications that drive customer satisfaction and engagement.

Transforming Significant Moments into Lasting MemoriesAt celebrate, we are a brand group dedicated to turning beautiful moments across Europe into cherished memories through high-quality stationery, photo products, and unique gifts.We are on the lookout for a React Native Developer (m/w/d) to join our Photo Product Unit, focusing on the reliable development of cross-platform mobile applications.This role is remote-first within Germany and reports directly to the Engineering Manager.Your RoleTake end-to-end responsibility for cross-platform mobile features, including implementation, testing, and release to ensure stable functionality.Enhance and maintain React Native applications, emphasizing clean architecture, maintainable codebases, and long-term scalability.Collaborate closely with Product Management, Design, and Backend Engineering to deliver integrated, user-centric mobile solutions.Actively participate in code reviews, technical discussions, and planning sessions to uphold shared standards and informed decision-making.Tech StackReact NativeTypeScript, modern JavaScriptRedux, Context APIJest, Testing Library, E2E testingGit, collaborative workflowsFigma or similar design toolsYour BenefitsWe value flexibility: Enjoy remote work options, part-time opportunities, modern hardware (MacBooks), and collaborative office spaces (flex desks).We embrace New Work: Agile methodologies, fair pay, and leadership development models.Your well-being is important to us: Access to Nilo.health, corporate benefits, JobRad, workations, sabbaticals, 30 days of paid vacation, and your choice of personal benefits such as Wellpass, Hansefit, or the DB Jobticket.We want to grow with you: Internal training, coaching, regular feedback, and growth processes, along with flexible external learning opportunities.We are a team: Office breakfasts and lunches, optional events, remote team-building, office dogs, and exclusive family & friends discounts.

Join Sopra Steria as a Senior Angular Frontend Developer and play a pivotal role in shaping innovative web applications. We are looking for a skilled developer who is passionate about technology and eager to contribute to exciting projects across various sectors.

Role Overview haufegroup is searching for a Senior Frontend Developer with a focus on user experience to help build web applications that are both intuitive and visually appealing. This role plays a key part in developing digital products that meet high standards for usability and design. Location Freiburg im Breisgau

Greetings! We appreciate your interest in joining our team at Lightspeed! Lightspeed is on the lookout for a talented Senior Frontend Developer with a passion for artificial intelligence to help us revolutionize the way our teams and clients work through innovative, AI-driven tools. You will be a key member of our Agent OC Squad, dedicated to integrating generative AI capabilities within our products. Your role will involve developing features that deliver real value to our customers by utilizing large language models (LLMs), agent frameworks, and cutting-edge AI technologies. Additionally, you will help establish foundational best practices and platform patterns that empower other teams to adopt AI functionalities effectively. Your contributions will not only focus on building generative AI features but also on shaping the standards and tooling necessary for scalable AI implementation across the organization. Ultimately, your expertise will play a crucial role in shaping the future of intelligent automation at Lightspeed!

About Air Apps Air Apps builds AI-powered tools designed to help people plan, work, and live more effectively. Founded in Lisbon, Portugal in 2018 by a family with a clear vision, the company has grown to operate from both Lisbon and San Francisco. Air Apps remains self-funded and has reached over 100 million downloads worldwide. The team focuses on creating long-term impact by developing AI-driven solutions that challenge the status quo. Their flagship product is the Personal & Entrepreneurial Resource Planner (PRP), aimed at empowering individuals and entrepreneurs globally. Air Apps values creativity and a willingness to rethink how resource management can improve daily life. The company seeks team members who want to help shape products that make a difference for users around the world.

Join our dynamic team at haufegroup as a Full Stack Developer specializing in React and Spring to enhance our inventory management solutions. This is an exciting opportunity to work on innovative projects that streamline warehousing processes.

Join Scout24 as a Working Student in Content and Frontend Platforms, where you'll play a vital role in enhancing our digital presence. This position offers a unique opportunity to gain hands-on experience in content creation and frontend development while working alongside an innovative team.

CHECK24 is looking for a Full-Stack Developer (m/f/d) with a strong emphasis on frontend work to join the team in Erfurt. This position centers on building and refining user interfaces that improve customer experiences across digital platforms. Role overview This role involves developing and optimizing web interfaces, ensuring that applications are both visually appealing and intuitive to use. Collaboration with colleagues from different specialties is a regular part of the job, supporting the delivery of cohesive digital products. What you will do Develop user-facing features using modern frontend frameworks Work closely with cross-functional teams to deliver seamless digital experiences Apply current development standards and best practices to all projects Requirements Experience in full-stack development with a focus on frontend technologies Ability to collaborate effectively with team members from various disciplines Strong interest in optimizing user interfaces for customer satisfaction

About Air Apps Air Apps builds AI-powered tools designed to help people plan, work, and live with greater efficiency. Founded in Lisbon in 2018 as a family business, the company has grown to serve users worldwide, now operating from both San Francisco and Berlin. Air Apps remains self-funded and has reached over 100 million downloads globally. The team focuses on developing the Personal & Entrepreneurial Resource Planner (PRP), an AI-driven platform for resource management. Role Overview: Frontend Web Developer This onsite role is based in the Berlin Metropolitan Area. The Frontend Web Developer will work closely with designers, product managers, and backend engineers to deliver high-quality web experiences. Air Apps offers relocation support for strong candidates. Main Responsibilities Build and maintain responsive web applications using HTML, CSS, and JavaScript frameworks such as React, Vue, or Angular. Translate UI/UX designs into interactive, accessible interfaces. Optimize web applications for speed, scalability, and compatibility across browsers. Create reusable components and maintain clear front-end architecture. Integrate APIs and ensure smooth data flow with backend systems. Keep up with new trends and best practices in front-end development. Troubleshoot and resolve front-end issues to maintain a seamless user experience. What We’re Looking For Solid experience with HTML, CSS, and JavaScript, plus strong skills in frameworks like React, Vue, or Angular. Background in collaborating with design teams to develop engaging user experiences. Understanding of performance optimization and cross-browser compatibility. Comfort working within a collaborative, team-oriented environment. Interest in learning and keeping up with new technologies. Work Location This is a fully onsite position in Berlin. Relocation support is available for the right candidate.

Join Our Team as a Junior Frontend Developer for Websites and CMS (m/f/d)Your Career Opportunity Awaits – Become Part of Our Dynamic Team!About Us – Why Choose Us?Founded in 1973, ATZ Group brings together a diverse team of seasoned specialists, offering customized digital solutions across Media, Marketing, Recruiting, and Intelligence. Together with partners ranging from SMEs to multinational corporations, we create digital success stories worldwide. Why You Should Start Your Journey with Us? We are likely the oldest start-up in the world – brimming with innovation and drive! Here, you have the chance to make a significant impact, work with the latest technologies, and collaboratively shape the future of digital marketing with a highly motivated team.Your Mission: If you enjoy transforming designs into functional websites and wish to develop your technical skills further, you're in the right place. You bring some solid experience and are eager to learn, explore modern technologies, and dive deeper into the frontend world. Develop modern frontends for websites and landing pages based on existing design specifications. Implement responsive layouts effectively, ensuring a great display across all devices. Work with WordPress and learn how CMS structures, themes, and templates are built. Precisely execute layouts using HTML and CSS, continuously expanding your knowledge. Utilize JavaScript for interactive elements and demonstrate motivation to deepen your skills. Integrate API interfaces and external services into the frontend, learning how systems interact. Technically implement forms, dynamic content, and smaller interactive functions. Focus on clean code, good performance, and understand the essentials of modern web development. Collaborate closely with marketing, IT, and content teams, developing an understanding of comprehensive digital projects. Gain the opportunity to familiarize yourself with modern technologies such as React, Next.js, or Tailwind CSS.Your Profile – What You Bring: You have initial practical experience in frontend development and a genuine enthusiasm for learning more about modern technologies. You are ready to grow your skills.

Join our dynamic team at Sopra Steria as a Werkstudent in Frontend and Backend Development! This is an exciting opportunity for students looking to apply their academic knowledge in a practical setting while contributing to innovative projects.

Wen wir suchenWir suchen kreative und teamorientierte Shopify-Entwickler (m/w/d), die Wert auf ein positives Arbeitsumfeld, faire Vergütung und erstklassige technische Ausstattung legen. Bei uns hast du die Freiheit, innovative Lösungen zu entwickeln und den E-Commerce von morgen mitzugestalten.Was Dich erwartetArbeiten in einem dynamischen Team an spannenden E-Commerce-Projekten auf Basis von Shopify.Umsetzung individueller Kundenanforderungen mit kreativen Lösungen.Entwicklung qualitativ hochwertiger Shops, die sowohl funktional als auch ansprechend sind.Aktive Mitgestaltung der kontinuierlichen Verbesserung unserer Entwicklungsprozesse.Engagierte Mitarbeit an unserer Mission: "Unternehmen für die Zukunft des Handels zu formen".

CHECK24 seeks a Fullstack Software Developer (m/f/d) for its InsurTech team in München. This position centers on building digital tools that help make automotive insurance easier and more effective for customers. Key responsibilities Design, develop, and maintain applications using Java and React Collaborate with colleagues to deliver features that enhance the customer experience Share ideas and contribute code in a team-oriented environment Team culture CHECK24's InsurTech group emphasizes innovation and teamwork. Team members regularly support each other and share knowledge while working to improve products for the automotive insurance market.

Join Our Team as a Cloud-Native Frontend Developer Intern!At SAP Fioneer, we are on a mission to redefine the future of financial services. We invite you to embark on this transformative journey with us as an intern!As part of a global software company with a vibrant start-up culture, you will dive into hands-on projects and make meaningful contributions from your first day. We are committed to nurturing your potential by providing a rich environment for learning and growth, enabling you to be fully productive as swiftly as possible.Your Role and ResponsibilitiesAre you eager to combine your academic knowledge from computer science with practical experience? If so, this is the perfect opportunity for you! In the cloud-native development team, you will assist in crafting innovative software solutions.The Fioneer Credit Workplace is our groundbreaking product designed to manage the full lifecycle of commercial real estate loans. In this role, you will contribute to the further development and product launch of the Fioneer Credit Workplace by engaging in various tasks, including: Participating in the entire development process, from requirement gathering to application implementation and deployment. Collaborating closely with experienced team members to design and develop modern applications. Implementing micro frontends and packages using React (JavaScript/TypeScript) with a uniform look and feel, leveraging UI5 web components and advanced technologies like TanStack React Query. Contributing to the establishment of a robust End-to-End testing framework and its integration into our Continuous Integration/Continuous Deployment (CI/CD) pipelines on GitHub. What We Offer You The chance to work alongside some of the brightest minds and decision-makers on ambitious projects that shape the future of a successful organization, while advancing your career. A multicultural team that values diversity, inclusion, trust, and integrity. Opportunities to tackle complex topics and contribute to SAP Fioneer's success. A blend of a pragmatic, fast-paced start-up culture with extensive development expertise, a strong market reputation, and a well-established customer base. Growth opportunities based on your performance and personal career goals, as well as the freedom to introduce new ideas, drive innovation, and challenge the status quo.

Join Almedia, a pioneering force in the marketing sector, where ambitious individuals can rapidly advance their careers. We are on a mission to become Germany's next bootstrapped unicorn, recognized as Europe’s #3 fastest-growing company in 2025 by the FT1000.At Almedia, we are revolutionizing marketing by rewarding our community of over 60 million users for their engagement with products from top-tier advertisers, creating a novel approach to user acquisition.We are seeking a seasoned Frontend Engineer who will take charge of our frontend architecture, uphold high standards of code quality, and play a pivotal role in shaping product direction through hands-on development and strategic partnerships.