Internship in Software Development with .NET / C# - REF8059K

Join our innovative team at Sopra Steria as a Senior C# .NET Frontend Developer. In this role, you will leverage your expertise in C# and .NET technologies to develop dynamic user interfaces and enhance user experiences for our clients. Collaborating with cross-functional teams, you will contribute to the design and implementation of high-quality software solutions that meet customer needs.

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.

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 us in crafting impactful software solutionsAs a forward-thinking IT service provider, we specialize in developing scalable, future-oriented software solutions utilizing the Microsoft technology stack. Our teams assist businesses across various sectors in their digital transformation, modernization, and cloud journeys with technology that inspires. If you have a passion for modern software development using C#, .NET, and Azure, and are eager for diverse projects that offer significant creative freedom, you are in the right place.Innovate, don’t just implement: You will design and develop cutting-edge applications for Web, Mobile, Desktop, and Cloud platforms, actively contributing your ideas.Diversity is guaranteed: Work across various industries, engage in different domains, and create your own solutions.Agile & customer-centric: Collaborate closely with clients and experts in Scrum teams to witness the direct impact of your work.Technical variety: Develop microservice architectures, APIs, integration solutions, and cloud-native applications within Azure.Modernize & transform: Facilitate refactoring, reengineering, migrations, and cloud transformations.Grow beyond your limits: Take on responsibilities in architecture, DevOps, or code quality while continuously enhancing your technical skills.

Are you passionate about crafting sophisticated software solutions, leveraging modern cloud technologies, and making a real impact for clients? Join our dynamic team! We develop sustainable, forward-looking applications based on the Microsoft technology stack – in an agile, collaborative manner, always aiming to deliver genuine value. In our exciting projects, you will have the opportunity to actively shape, inspire, and elevate technical solutions to new heights.Create modern, high-performance applications for web, mobile, and cloud – from concept through design to implementation.Bring your expertise to diverse client projects, crafting solutions that make a tangible difference in real-world applications.Enhance existing systems or develop entirely new cloud architectures that are scalable, secure, and future-ready.Collaborate within agile teams, taking on responsibility and achieving innovative results alongside clients and experienced specialists.Actively participate in cloud transformations, refactorings, and migrations, helping organizations future-proof their applications.Take technical ownership – for architectures, DevOps processes, quality assurance or automation steps.

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

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

Join us at epay, an independent full-service payment provider, where we deliver a unified platform designed for maximum flexibility throughout the evolving payment landscape. With one of the fastest-growing distribution networks globally, we connect retailers, brands, and consumers through innovative solutions for gift cards, prepaid services, payment processing, issuing, acquiring, and incentives across various channels and regions.As the digital payment division of Euronet Worldwide, Inc. (NASDAQ: EEFT), we invite you to help shape the future of payments with us!Key Responsibilities:Internal Tools Development: Design, develop, and implement C++ applications that enhance operational efficiency across our business units.Billing & Business Systems: Play a vital role in the development of billing applications to ensure that critical financial processes function reliably and efficiently.Optimization & Improvement: Evaluate existing applications to boost performance, usability, and reliability while driving technical enhancements.Stable Operations: Oversee system monitoring, troubleshoot issues, and resolve bugs or performance challenges to maintain seamless operations.Knowledge Sharing & Support: Assist colleagues in utilizing internal tools and share expertise through documentation and training sessions.Qualifications:Experience & Expertise: A minimum of 5 years of professional experience in C++ development, with a strong familiarity in working with established codebases.Working Style: A structured, reliable, and solution-oriented approach, with a passion for taking ownership of your applications.Technical Proficiency: Competence with Git/GitHub, preferably with Embarcadero tools (RAD Studio, C++ Builder), and MySQL.Modern Development Practices: Comfortable with contemporary development workflows and utilizing AI-assisted tools such as GitHub Copilot for efficiency.Language Skills: Proficient in English for daily collaboration, with German language skills at B2 level.

Join epay, a leading independent full-service payment provider, as we empower our global partners with a seamless platform that adapts to the ever-evolving payment journey. Our rapidly expanding sales network connects hundreds of innovative partners across multiple countries, bridging commerce, brands, and customers with scalable solutions in gift cards, prepaid services, payment processing, issuing, acquiring, and incentive solutions across all channels and borders.As the Digital Payment Unit of Euronet Worldwide, Inc. (NASDAQ: EEFT), we invite you to help shape the future of payment solutions!

Octopus Energy is building digital solutions for the energy sector, aiming to make clean and transparent electricity and gas accessible to more people. Since launching in the UK, the company has grown into one of the country's largest energy providers, known for its focus on customer satisfaction and technology-driven services. In 2020, Octopus Energy expanded to Germany. The team now supports over one million customers with products like seamless switching, heat pumps, smart meters, and flexible tariffs. The goal: help people make greener choices while simplifying their daily lives. Role overview As a Senior Frontend Engineer (m/w/d) based in Berlin, this role centers on building and improving digital products that directly impact customers. The work spans diverse challenges, from developing user-friendly interfaces to supporting the rollout of new features that promote the green energy transition. Collaboration and impact Expect to work closely with teams in marketing, operations, and data. Contributions are visible and meaningful, with a chance to see how your work reduces costs, encourages sustainable choices, and improves the customer experience. What Octopus Energy offers Ownership of projects and the freedom to shape solutions Opportunities to tackle a variety of technical and product challenges A mission-driven team focused on making energy cleaner and fairer

We are actively seeking a highly skilled Senior WordPress Developer to join our dynamic team. The ideal candidate will possess an in-depth understanding of WordPress development standards and best practices. We are looking for an individual who excels in constructing themes and plugins while adhering to both industry standards and WordPress development best practices. A significant aspect of this role involves plugin research and customization. You will be responsible for both backend and frontend development across a diverse range of projects, which can vary from simple one-page sites to extensive product catalogs, e-commerce websites, and gated company portals. If this resonates with you, we would love to receive your application!Key Responsibilities:Develop responsive WordPress themes in accordance with our standards, coding practices, and workflows.Create extendable WordPress plugins based on provided specifications.Conduct research and customization for plugins.Collaborate with project managers to define project scopes.Communicate project progress and adhere to deadlines agreed upon with project managers.

ZEAL Network SE is an innovative global leader in the online lottery industry, boasting over 20 years of expertise and renowned brands such as LOTTO24 and Tipp24. As the largest digital lottery operator in Germany and a trusted collaborator of Spain's ONCE, we are dedicated to revolutionizing the lottery experience for our customers.LOTTO24 stands as Germany's premier online source for state-licensed lottery offerings, providing users with secure and convenient access to popular games like LOTTO 6aus49, Eurojackpot, and GlücksSpirale. With a commitment to supporting charitable, social, and community initiatives throughout Germany via every ticket sold, LOTTO24 exemplifies ZEAL's mission to enhance lottery accessibility while contributing positively to society.Your Responsibilities:Develop, maintain, and optimize customer-facing web shops for superior user experience.Collaborate with product, design, and marketing teams in an agile environment.Assess the technical feasibility of UI/UX designs.Conduct thorough testing of code to identify functional, security, and performance issues.Analyze and refine product and funnel optimizations to boost success rates.Ensure code quality through peer reviews and share your expertise through mentoring and pair programming.Work closely with backend developers to integrate with RESTful APIs.Stay updated with the latest technologies to continually enhance your skillset.Your Profile:A strong passion for developing web applications.Expertise in Angular and TypeScript.Proficiency in modern CSS features and component libraries to create responsive, mobile-first web applications with a focus on aesthetics and usability.Experience with JSON and REST API integration.Familiarity with contemporary front-end build processes and tools.

Full-time | Munich | Seed Stage | Equity + SalaryJoin Us in Building a Generational CompanyAt Knowlix, we’re passionate about amplifying small businesses' productivity by tenfold. Our goal is to establish ourselves as the leading platform for human-AI and AI-to-AI collaboration in the small business sector.Although we are in the early stages, our vision is expansive. This is your chance to play a pivotal role in creating a product that will impact millions and define an entire category.We prioritize speed, quality, and rapid iteration. If you are driven to create, launch, and scale innovative solutions, and if you thrive on leveraging AI for transformative improvements, this is your opportunity to make a significant impact.Why Choose Knowlix?We are a well-funded seed-stage startup, supported by top-tier investors and seasoned founders.Our technology is effective, and the feedback from our initial users has been overwhelmingly positive.We are targeting a vast market with a product that revolutionizes how work is done.As one of the early team members, you will have genuine influence and ownership over the company's direction.We believe that speed comes from focused effort and continual iteration.This is not just a job; it’s an opportunity to help shape a once-in-a-generation company.Your RoleWe are seeking a Senior Frontend Developer who is eager to create user interfaces that are both visually appealing and highly functional.You will transform complex logic into seamless UIs, user needs into smooth interactions, and technical constraints into refined solutions. Collaborating closely with backend developers, designers, and product managers at our Munich office, you will help realize our AI-first vision.You will play a key role in defining our frontend development practices at Knowlix: making pivotal architectural decisions, mentoring peers, and establishing standards for quality and performance.

Join our innovative team at ebreuninger GmbH & Co. KG as a Senior Full-Stack Software Engineer, focusing on frontend development. We are looking for a talented individual who is passionate about creating seamless user experiences and robust backend systems. Your role will involve designing, developing, and maintaining high-quality software solutions that meet our clients' needs while ensuring optimal performance and scalability.You will collaborate closely with cross-functional teams, including UX/UI designers and product managers, to deliver exceptional products. If you thrive in a dynamic, remote work environment and are excited about the opportunity to influence the future of e-commerce, we want to hear from you!

Bosch Group seeks a Senior Software Developer (w/m/div.) with strong C++ skills to join the distributed systems team in Ettlingen. The focus is on developing and improving software that underpins the performance and reliability of distributed systems at Bosch. Key responsibilities Design and implement C++ software for distributed environments Optimize code to enhance system performance and reliability Collaborate with colleagues from different disciplines to deliver effective solutions Contribute technical expertise to projects that address client requirements Collaboration Regular cooperation with cross-functional teams is central to this position. The goal is to ensure that software solutions meet both technical standards and customer expectations.

Role overview Cupid Media seeks a Senior Frontend Developer located in Germany. In this position, the main focus is on building web applications that enhance user experience across multiple platforms. The team aims to deliver responsive and interactive interfaces for a diverse, international user base. What you will do Develop and improve web applications with modern frontend technologies Design user interfaces that adapt to different devices and keep users engaged Support projects that serve audiences around the world

Join our dynamic team at ebreuningergmbhco as a Senior Fullstack Software Engineer with a focus on frontend development for our innovative NAVI/REME project. In this role, you will collaborate with cross-functional teams to design, develop, and maintain high-quality software solutions. You'll be responsible for implementing responsive user interfaces and ensuring a seamless user experience.If you have a passion for creating cutting-edge applications and possess strong problem-solving skills, we want to hear from you!

Join the innovative team at SCAYLE as a Senior Frontend Engineer where your expertise in frontend technologies will help shape the future of e-commerce solutions. You will collaborate closely with product managers and designers to create user-centered applications that enhance the shopping experience for customers.

About Apaleo Apaleo builds an open, API-first property management platform for the hospitality industry. The company’s modular infrastructure helps hotels customize their technology, automate routine work, and deliver tailored guest experiences. Apaleo’s platform includes advanced applications and AI agents that adapt to each guest’s needs. Role Overview The Senior Backend Engineer (.NET) will shape the foundation of Apaleo’s public API layer. This position focuses on creating the Storefront API, a scalable interface that lets external systems, such as ChatGPT and booking platforms, connect directly with Apaleo. The work combines backend engineering with AI, starting from a clean API design and moving toward systems that support intelligent, agent-driven guest interactions. What You Will Do Design and implement the Storefront API for Apaleo’s property management platform Develop scalable, reliable backend solutions in .NET Enable integrations with external partners and booking platforms Build systems that support agentic booking and AI-powered guest experiences Work with a high degree of autonomy on architecture and deployment decisions Location This role is based in Munich.