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.
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