Sr. Software Engineer (C#/.NET) (Dev - 9)

Sr. Software Engineer (C#/.NET)

Remote, Krakow Poland

About the Role:

We are looking for a Senior Software Developer with a strong background in distributed systems and a passion for media technology. In this role, you will help architect and build the core services that power our high-volume media workflows, from video transcoding and asset management to real-time content delivery and analytics. You will be part of a team developing scalable backend systems that support millions of users consuming content across web, mobile, OTT, and live-streaming platforms.

This is an opportunity to work on challenging problems at the intersection of distributed computing and real-time media.

Requirements

Key Responsibilities:

• Design and implement high-throughput, fault-tolerant distributed services using C++, C# and .NET Core.
• Develop scalable distributed systems for media asset ingestion, encoding pipelines, metadata management, and/or playout.
• Work with real-time messaging and streaming technologies (e.g., WebSockets and WebRTC) to enable low-latency experiences.
• Drive performance optimization and service/process resilience.
• Contribute to the full SDLC - from technical planning and architecture to testing and production support.

Required Qualifications:

• 5+ years of experience developing high-performance software using C++
• 5+ years of experience developing distributed software solutions in a Linux environment
• Strong understanding of distributed systems design and patterns. Microservices experience applicable in many ways.
• Experience working with high-performance multi-threaded, high-volume data pipelines or real-time media systems.
• Experience with REST APIs, gRPC, or GraphQL.
• Strong knowledge of asynchronous programming, multithreading, and concurrency.
• Experience with building fault-tolerance, distributed systems error handling and high-quality context rich logging for real-time debugging.
• Experience working with SQL databases (e.g., SQL Server, PostgreSQL, MySQL).
• Comfortable in fast-paced, agile development environments.

Preferred Qualifications:

• Experience with software development in a Windows environment using C# and .NET Core
• Experience with media technologies: video/audio codecs, transcoding, HLS/DASH, DRM, MAM/DAM systems.
• Passion for high-performance systems and quality-driven development.

Benefits

Perks That Power Your Life
We offer a comprehensive package designed to support your health, financial security, and work-life balance. Our benefits are built to keep you healthy, supported, and free to do your best work.

• Day-one medical, dental & vision coverage
• 100% company-paid life + disability insurance
• 401(k) with a sweet company match (up to 8%)
• Quarterly HSA boosts & flexible spending accounts
• Flexible time off (salaried) or PTO (hourly) + generous paid holidays
• Pet insurance (yes, your dog gets benefits too)
• Legal plan + extras like accident & critical illness coverage