Senior .NET Full Stack Developer

KONE is a global leader in the elevator and escalator industry, making people’s journeys safe, convenient, and reliable with smart and sustainable People Flow®. In a world where cities are constantly evolving and more and more people choose to live in them, we at KONE stand with one clear aim: to shape the future of cities. We make urban life more vibrant and livable. And we do it by enabling safe, sustainable, and effortless people flow for all. We help cities leave a positive mark on the planet - for the next century and beyond. We shape the future of cities.

KONE Technology and Innovation Unit (KTI) is where the magic happens at KONE. It's where we combine the physical world – escalators and elevators – with smart and connected digital systems. We are changing and improving the way billions of people move within buildings every day. We are on a mission to expand and develop new digital solutions that are based on emerging technologies.

KONE R&D brings together top talent from different disciplines into an industry-leading product and technology organization. We thrive in solving complex customer challenges, connecting legacy with the latest technologies across hardware and software engineering. In fact, roughly half of our R&D roles are in software. Agile ways of working mean that we are better able to meet our customers’ rapidly evolving needs for speed and innovation, in a global environment.

R&D unit in KTI is responsible for developing digital services at KONE. It’s the development engine for our Digital Services such as KONE 24/7 Connected Services, Office Flow and Partnership Ecosystem. Our common goal at KONE is to keep the end users safe and people flow uninterrupted. KONE moves 2 billion people every day and that means our services can really make cities better places to live

Job Summary

We are looking for a highly skilled and self-driven .NET Full Stack Developer to join our growing team. The ideal candidate will have strong expertise in .NET (Core/6/8), C#, and modern frontend frameworks (React or Angular), along with experience in building scalable, cloud-based enterprise applications.

This role involves designing, developing, and maintaining robust applications, ensuring seamless API integrations, and contributing to cloud-native deployments. The candidate is expected to take ownership of systems, demonstrate strong problem-solving abilities, and collaborate effectively with cross-functional teams.

Key Responsibilities

• Design and develop scalable applications using .NET Core/6/8, C#, React/Angular, MVC, and REST APIs

• Translate business requirements into efficient and maintainable technical solutions

• Build and maintain secure, high-quality, and performance-driven code

• Develop and integrate RESTful APIs with internal and external systems

• Leverage cloud platforms (Azure/AWS) for application development and deployment

• Ensure code quality through unit testing, reviews, and best practices

• Follow DevOps/DevSecOps practices including CI/CD and application security

• Collaborate with cross-functional teams to deliver end-to-end solutions

Education

• Bachelor’s degree in Computer Science, Engineering, or a related field

Required Skills & Experience

• 6-8 years of hands-on experience in .NET development (C#, .NET Core/6/8, Web APIs)

• Strong experience in frontend technologies (React or Angular, TypeScript/JavaScript)

• Solid understanding of OOP principles, SOLID design, and design patterns

• Experience in building scalable microservices-based architectures

• Hands-on experience with cloud platforms (Azure/AWS/GCP) and PaaS services

• Proficiency in SQL Server, NoSQL databases, and ORMs like EF/Dapper

• Experience with API Gateways, serverless computing, and inter-service communication

• Strong debugging and problem-solving skills

Preferred Skills

• Experience developing enterprise-grade applications using Microsoft technologies
• Exposure to cloud-native and serverless architectures
• Understanding of application security and data protection practices
• Familiarity with CI/CD pipelines and DevOps tools
• Strong communication, collaboration, and ownership mindset

Why Join Us?

• Innovative Environment: Work on modern cloud-native architectures and microservices

• Growth Opportunities: Exposure to latest technologies, DevOps, and scalable systems

• Impactful Work: Contribute to building platforms that power real-world service and technician ecosystems

• Collaborative Culture: Work in a team that values ownership, innovation, and continuous improvement

What We Value

We are looking for individuals who are:

• Self-driven and proactive

• Willing to take ownership of systems end-to-end

• Strong collaborators who can work effectively across teams

• Passionate about quality, innovation, and continuous learning

At KONE, we are focused on creating an innovative and collaborative working culture where we value the contribution of each individual. Employee engagement is a key focus area for us and we encourage participation and the sharing of information and ideas. Sustainability is an integral part of our culture and the daily practice. We follow ethical business practices and we seek to develop a culture of working together where co-workers trust and respect each other and good performance is recognized. In being a great place to work, we are proud to offer a range of experiences and opportunities that will help you to achieve your career and personal goals and enable you to live a healthy and balanced life.

Read more on https://kone.com/global/en/careers.html