Job Description
We are looking for a highly motivated and experienced Senior Software Engineer (.Net) to join our team.
Senior Software Engineer (.NET) is responsible for designing, developing, and maintaining scalable, high-performance backend systems that power our products and services. In this role, you will translate business and product requirements into robust technical solutions, ensuring reliability, security, and performance across backend services.
You will work closely with cross-functional teams, including frontend developers, DevOps engineers, product managers, and solution architects, to design and implement efficient, scalable, and maintainable backend architectures using modern .NET technologies. You will also contribute to architectural discussions, apply best practices, and support the overall quality and sustainability of the codebase. If you are curious by nature, adaptive, collaborative, and always one step ahead, then join us and be a Commencer!
If you are curious by nature, adaptive, collaborative, and always one step ahead, then join us and be a Commencer!
Key Responsibilities
- Design, develop, and maintain scalable and high-performance backend systems using .NET technologies
- Contribute to system architecture decisions and lead the design of microservices-based solutions
- Build and maintain RESTful APIs and ensure high availability and performance
- Collaborate with cross-functional teams including product, design, and QA to deliver high-quality solutions
- Ensure code quality through code reviews, best practices, and clean code principles
- Write and maintain unit and integration tests
- Troubleshoot, debug, and optimize existing systems
- Participate in CI/CD processes and support deployment activities
- Mentor junior developers and contribute to team knowledge sharing
- Stay up to date with emerging technologies and industry best practices
Qualifications & Experience
- BSc/MSc/PhD degree in Computer Science or a related field, or equivalent practical experience
- At least 5 years of professional experience in backend development with .NET (C#, .NET Core / .NET 8+)
- Strong understanding of OOP principles, design patterns, and scalable system design
- Experience with microservices architecture and distributed systems
- Hands-on experience with relational and non-relational databases (e.g., SQL Server, PostgreSQL, MongoDB, Redis)
- Familiarity with message brokers (e.g., Kafka, RabbitMQ) is a plus
- Basic knowledge of front-end technologies such as JavaScript, HTML5, CSS3 and TypeScript
- Strong experience in unit testing and debugging
- Proficiency with Git or similar version control systems
- Familiarity with CI/CD pipelines and DevOps practices is a plus
- Hands-on experience using AI tools throughout the development process
- Strong analytical thinking and problem-solving skills
- Excellent attention to detail
- Effective time management and multitasking skills
- Strong verbal and written communication skills
- Fluent in English
Why Commencis?
We want people to thrive at Commencis. Here’s what Commencers like about working here:
Competitive Compensation & Benefits: We offer a competitive salary, private health insurance, pension and retirement plans through a company-backed pension system, meal card, commute compensation, work-from home support and paid birthday off.
Happier Weekdays: We offer flexible working hours including remote working option. Online events, guest speakers, refreshments in the office, meeting-light culture, and many more to enjoy the weekdays.
Never Stop Learning: We support learning and development programs for almost anything. Additionally, we provide access to leading online e-learning platforms like Udemy and various libraries.
Community & Socials: We are a tight-knit community that loves gathering. Our social activities include happy hours, workshops, new year party, breakfast & lunch get-togethers, movie nights, and our Summer Festival.
Open Culture: We maintain a flat organizational structure with a culture of direct and open communication. We value Commencers’ voices and address any suggestions and questions you may have.
About Commencis
Join us in paving the way for a thriving digital society!
Commencis has more than two decades of expertise in the world of experience design, software engineering and cloud technologies. Our products and solutions are used by leading brands in financial services, insurance, airlines and retail in more than 20 countries.
We help our clients around the globe to commence their next evolution and pave the way for a thriving digital society. We love discovering what’s next. We value collaboration, curiosity, and an open mindset at work.
If you share the same passion with our fellow Commencers, then let us unleash your world-class potential!
We will process your personal data as part of our recruitment procedures. To find out more, please consult our Candidate Privacy Notices.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
