Java Developer in Software Development team at Qualysoft delivering IT consulting services. Engaging with agile practices to build robust applications and ensure quality assurance.
About the role
- Mid .NET Engineer designing and building high throughput microservices in Sofia for a global technology company. Collaborating and optimizing backend services with a proactive mindset and performance focus.
Responsibilities
- Design, implement, and optimize backend services in .NET Core
- Own features end-to-end: from design discussions to deployment and monitoring
- Work on performance-critical code paths , focusing on throughput and memory efficiency
- Collaborate cross-team to integrate services into the broader system
Requirements
- Strong C# / .NET Core experience (3–5 years hands-on)
- Good understanding of distributed systems, microservices, and async programming
- Practical knowledge of performance profiling, debugging, and optimization
- Experience with containerized deployments (Docker, K8s) or message-driven systems
- Proactive, ownership-driven mindset
- Exposure to high-scale or low-latency systems
- Knowledge of metrics/monitoring (Prometheus, Grafana, etc.)
- Interest in memory management, GC tuning, or low-level .NET internals
Benefits
- An open-minded environment that values you.
- An international multicultural team.
- Career development.
- An amazing office environment (table tennis, play station, all the fun stuff).
- Food vouchers (180 BGN).
- Additional health insurance.
- Sports card.
- 21 days paid leave.
- Flexible working hours.
- Manicure, massage, breakfast, and snacks in the office.
- Wedding and new baby bonus.
- Team building activities.
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
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