Middle / Senior Software Development Engineer

Akvelon is looking for Middle and Senior .NET Software Engineers to join a long-term project for a global technology leader. We are expanding several engineering teams building and supporting enterprise-scale cloud services used by millions of users worldwide. This is an opportunity to work with modern Azure technologies, distributed systems, and high-performance cloud applications.

Location is strictly limited to Poland and Serbia.

Responsibilities:

Design, develop, and maintain cloud-native backend services using C# and .NET.

Build scalable, reliable, and high-performance applications running on Microsoft Azure.

Develop and improve distributed systems with a focus on reliability, scalability, and maintainability.

Collaborate closely with engineers, architects, and product teams to deliver production-ready solutions.

Investigate and resolve production issues, perform root cause analysis, and implement long-term improvements.

Contribute to CI/CD pipelines and deployment automation.

Participate in architecture discussions, code reviews, and technical design.

Work with Azure networking, cloud infrastructure, and platform services.

Depending on the team, contribute to Kubernetes (AKS)-based environments and cloud infrastructure improvements.

Requirements:

Commercial experience with C# and .NET.

Experience building backend services and APIs.

Hands-on experience with Microsoft Azure.

Understanding of distributed systems and cloud-native application architecture.

Experience with Azure DevOps, CI/CD pipelines, or similar deployment tools.

Experience troubleshooting production issues and improving application reliability.

Knowledge of software engineering best practices, clean code, testing, and version control.

Strong problem-solving skills and the ability to work in a collaborative engineering environment.

Nice to have:

Experience with Azure Kubernetes Service (AKS) and containerized workloads.

Knowledge of Azure networking concepts.

Experience with Infrastructure as Code and cloud automation.

Experience working with high-scale production systems.

Familiarity with AI-assisted development tools such as GitHub Copilot or Azure AI.

Benefits:

Paid vacation and sick leave.

Official state holidays (9–11 public holidays per year).

Professional growth through challenging enterprise-scale projects and the opportunity to master new technologies.

Flexible working schedule: 8 hours per day, 40 hours per week.

Personal Career Development Plan (CDP).

Employee support programs (discounts, healthcare, legal assistance).

Paid external training, conferences, and professional certifications aligned with business goals.

Internal workshops, seminars, and English classes.

Corporate library with paper and e-books.

If you’re passionate about building scalable cloud solutions and enjoy solving complex engineering challenges, we’d love to hear from you.