Junior Backend Software Developer (.NET/C#) at VELUX

Warszawa, Pomeranian Voivodeship, Poland -

Full Time

Start Date

Immediate

Expiry Date

17 May, 26

Salary

0.0

Posted On

16 Feb, 26

Experience

0 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

C#, .NET, Backend Development, APIs, REST, GraphQL, Microservices, Code Reviews, Troubleshooting, Bug-fixing, DevOps, CI/CD, Unit Tests, Docker, Kubernetes, Keycloak

Industry

Wholesale Building Materials

Description

We are excited to announce the development of our new Software Development Hub in Warsaw - an important step in our journey of global growth. This initiative marks an important step forward in bringing together top technical talent, optimizing our processes, and shaping the future direction of our organization. Job Overview: We are looking for a motivated and technically capable Junior Backend Developer to join our team. In this role, you will work on designing and developing scalable backend services using C# and .NET, directly contributing to impactful projects while learning from senior developers. We operate in a fast-paced environment, and this role is ideal if you already have a solid foundation in backend development but want to take your skills to the next level. You will collaborate closely with our team to build robust systems and modernize processes, tackling real-world challenges while growing into a highly capable backend developer. A combination of technical aptitude, accountability, and a willingness to learn are essential for success in this role. This is your opportunity to join a talented team, contribute to meaningful work, and develop under the guidance of experienced professionals. Responsibilities: Contribute to the development of backend systems using C# and .NET, following best practices for clean, maintainable, and testable code. Assist in designing, implementing, and maintaining scalable APIs and microservices following modern standards (e.g., REST, GraphQL). Participate in code reviews, troubleshooting, and bug-fixing activities to ensure high-quality software delivery. Collaborate with the team on feature delivery and deployment workflows, contributing to DevOps-enabled environments and CI/CD pipelines. Pair with senior developers to learn architectural concepts, best practices, and operational requirements. Take initiative in growing your skills while producing value for the team, delivering on tasks with increasing independence over time. Work alongside the team to optimize performance, debug production issues, and refine backend solutions. Required Skills & Qualifications: 1+ years of experience in software development (including internships, projects, or professional work), with hands-on experience using C# and .NET frameworks—or equivalent foundational knowledge. Ability to write organized, testable, and maintainable code, with curiosity about improving software quality through unit tests and automated testing frameworks. Understanding of modern API development principles, including familiarity with RESTful APIs or GraphQL. Willingness and ability to operate in a DevOps environment, including learning about deployment pipelines and basic containerization concepts (e.g., Docker, Kubernetes). Enthusiasm for problem-solving, combined with strong communication skills and a collaborative mindset. A self-starter attitude with a demonstrated ability to take ownership of tasks, ask questions, and grow through feedback. Nice-to-have Skills & Qualifications: Experience with IAM technologies like Keycloak or Microsoft Entra ID. Familiarity with containerization technologies (e.g., Docker) and orchestration platforms (e.g., Kubernetes). Hands-on work with CI/CD pipelines and deployment systems. Exposure to building scalable, production-grade services within enterprise settings. What We Offer: Constructive cooperation based on trust and respect for the employee Bonus system Employee Pension Scheme financed entirely by the employer (PPE) Attractive well-being package (platform MyBenefit, life insurance, lunch card, gift cards) Private medical care with telemedicine and rehabilitation Employee Foundation support Internal development programs Remote work (2 times per week) and workation Flexible working hours Additional 2 days of holiday for volunteering Ready to apply? Learn more about the VELUX Group online at www.velux.com where you can read more about working at our company and what to expect of our recruitment process. We look forward to receiving your application and CV as soon as possible. We are conducting interviews on an ongoing basis until we have the right match. All inquiries will be treated confidentially. About VELUX In the VELUX Group, we offer you a world of opportunities and the chance to create a bright future. From the forefront of the roof window category, we enable those who live, work and play under the roof transform their spaces and live a healthier everyday life with more daylight and fresh air. The VELUX Group is an international, family-owned business with strong financial roots and each year we can create real impact by reinvesting in society, our employees and planet through our foundations. With 20 production companies in 12 countries and sales companies in 37 countries, our products are widely available. We employ around 12,000 people, and our company is headquartered in Denmark. Alongside the rest of our values, “courage” and “mutual respect” define our actions every day and how we wish to contribute to the world. Equal Opportunity Employer At VELUX Residential, we believe in fostering a diverse workplace for everyone to thrive, develop, and perform at their best, and where you feel welcome, respected, and valued. We are committed to providing equal opportunities for all - whether you are applying for a role or already a part of VELUX Residential. That means we recruit, hire, train, and promote people based on their skills and potential without regard to race, color, religion, sex, age, neurodiversity, disability, protected veteran status, national origin, sexual orientation or any other basis prohibited by applicable law. We value diversity and strive to ensure that our employment decisions are fair and inclusive, focusing only on what truly matters: your qualifications and how you can contribute to our shared mission and success. Bright Insights You’ve probably already heard about our goal to transform spaces into favorite places. We’ve been on this mission since we started in Denmark in 1941, and now we’re recognized as a global market leader. But what else should you know about who we are? Inside VELUX: Meet the People Behind the Brand Click here and hear more from our colleagues.

Responsibilities

The developer will contribute to designing and developing scalable backend services using C# and .NET, following best practices for clean, maintainable, and testable code. Responsibilities also include assisting in implementing APIs and microservices, participating in code reviews, and collaborating on feature delivery and deployment workflows.