Fullstack .NET Developer

📍 Poznań | Hybrid (3 days office / 2 days remote after probation)

🏢 CAPTRON

About us

CAPTRON is a global leader in capacitive sensor technology, developing innovative and tailor-made solutions for clients worldwide. Founded in 1983, we are an independent, family-owned company combining over 40 years of expertise with a modern, agile mindset.

At CAPTRON, we connect the physical and digital worlds - designing smart interfaces and industrial IoT systems used across the globe. We value innovation, teamwork, and technical excellence.

Our headquarters are in Olching (near Munich), with branches in China, the USA, and over 20 partner locations worldwide.

We’re now growing our development team in Poznań - and we’re looking for a skilled Fullstack .NET Developer with a strong focus on frontend development and design.

Your daily tasks

• Design, develop, and maintain applications using .NET technologies

• Work across the full stack - with a strong emphasis on building modern, responsive, and user-friendly frontend interfaces

• Implement UI/UX concepts in cooperation with designers, ensuring high usability and visual quality

• Participate in the full software development lifecycle

• Write clean, efficient, and maintainable code following SOLID and OOP principles

• Collaborate closely with UX/UI designers, embedded engineers, and other developers

• Take part in code reviews, share knowledge, and help improve development processes

• Integrate application software with IoT devices and communication interfaces

Your profile

• Degree in Computer Science or a related field

• 3+ years of professional experience in .NET development

• Solid knowledge of C# and .NET Core / .NET 6+

• Strong frontend development skills, including:

  • Solid knowledge of JavaScript, HTML5, CSS3

  • Experience with modern frontend frameworks (e.g., React, Angular, Vue, or Blazor)

  • Ability to build responsive and modern UI components

  • Good sense of UI/UX design - understanding layout, usability, visual hierarchy, and user flows

• Strong understanding of object-oriented design and design patterns

• Experience working with REST APIs, SQL databases, and Azure DevOps

• Good command of English (spoken and written)

• Analytical mindset, attention to detail, and a proactive attitude

Nice to have

• Experience with IoT devices and communication protocols (e.g., MQTT, Modbus, CAN, OPC UA)

• Knowledge of embedded systems integration or hardware communication

• Familiarity with Docker, microservices, or cloud architectures

Tech stack

C# / .NET / Blazor / JavaScript / Modern Frontend Frameworks / SQL / Azure DevOps / Docker / IoT / Agile

We offer

• 🧩 Full-time employment contract (UoP)

• 🌴 30 days of paid vacation

• 🕓 Flexible working hours

• 💻 Hybrid work model (after probation)

• 🚀 Exciting, high-impact projects in industrial IoT and smart sensor technology

• 🧠 Real opportunities for professional growth and innovation

• 🤝 Collaborative and supportive team culture

• 🌍 Modern office in the heart of Poznań

Benefits

• ✅ Private medical care

• ✅ Multisport card

• ✅ Group life insurance

• ✅ Team events & integration

• ✅ No dress code

• ✅ Flat hierarchy & open communication

Why CAPTRON?

We build technology that connects people, machines, and data.If you're a .NET developer who enjoys fullstack work with a strong passion for modern frontend development and UI/UX, CAPTRON is the place for you.