Senior .NET Developer

Relativity Poland sp. z o.o. is hiring for a Senior Software Engineer to work on their Relativity One SaaS product, focusing on software design, development, and operational excellence in a cloud-native environment.

• 5+ years shipping C#/.NET or similar services with measurable reliability or performance gains
• Experience in architecture for distributed SaaS systems, translating business needs into resilient designs
• Production ownership experience including leading on-call rotations and RCAs, using telemetry to reduce MTTR and incident volume
• Cloud-native delivery experience (Azure preferred)
• Hands-on experience with CI/CD automation, automated testing, and deployment governance
• Bachelor's degree in Computer Science, Engineering, or equivalent experience
• English fluency for technical communication

Nice to have:

• Led microservice work for high-volume event-driven workloads
• Scaled ingestion/data pipelines or ETL workflows with clear metrics
• Mentored teams in agile planning and cross-team collaboration

• Create architecture and non-functional design for Import/Export services that meet SLO/SLA targets
• Decompose complex problems into resilient, cloud-native designs
• Deliver milestones with measurable outcomes
• Advise and mentor team members on code quality, technical debt management, and best practices
• Own production systems by leading on-call procedures, RCAs, and proactive issue resolution to reduce MTTR
• Drive operational excellence using observability data to prioritize work, automate alerts, and expose trustworthy metrics
• Shape the roadmap with Product through clear trade-offs and data-backed decisions
• Optimize CI/CD by designing automation that keeps deployments predictable and compliant