Senior C#/.NET Engineer - Cloud & Full-Stack, Equity

Relativity; Kraków; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Competitive salary

DTO

Parental leave

Equity program

Job summary

Relativity is hiring a software engineer in Kraków to build and operate cloud-based services with a strong emphasis on reliability and scalability. You will contribute to full-stack development using C#/.NET and React, while owning features end-to-end and collaborating across teams.

You will work with CI/CD pipelines (GitHub Actions), observability tools, and cloud-native patterns (containers, IaC, event-driven design), with Azure experience preferred.

Qualifications

• Bachelor's degree or equivalent practical experience.
• 3+ years of professional software engineering experience.
• Proficiency in C# and .NET or a comparable OO language.
• Experience building and operating cloud-based services.
• Independent work on complex features and debugging production issues.
• Familiarity with relational databases and SQL, including schema changes.
• Experience with JavaScript/TypeScript and React for full-stack development.
• CI/CD tooling experience using GitHub Actions.
• Familiarity with observability platforms (New Relic, Grafana, etc.).
• Experience building or maintaining integrations with third-party APIs or enterprise SaaS systems.
• Familiarity with cloud-native concepts (containers, event-driven design, IaC), Azure preferred.
• Ability to own systems end-to-end across cloud and distributed environments.

Responsibilities

• Develop and maintain software across the stack in a collaborative team.
• Own features end-to-end from design through production operations.
• Debug production issues with minimal direction and provide timely fixes.
• Contribute to cloud-based service architecture and deployment pipelines.
• Integrate with third‑party APIs and enterprise SaaS systems.

Skills

C# and .NET

Cloud-based services

SQL

JavaScript/TypeScript

React

CI/CD (GitHub Actions)

Observability tools

APIs / SaaS integrations

Cloud-native concepts

Containerization / IaC

Azure

End-to-end ownership

Knowledge sharing

Education

Bachelor's degree or equivalent practical experience

Tools

GitHub Actions

New Relic / Grafana

Job description

Relativity is hiring a software engineer in Kraków to build and operate cloud-based services with a strong emphasis on reliability and scalability. You will contribute to full-stack development using C#/.NET and React, while owning features end-to-end and collaborating across teams.

You will work with CI/CD pipelines (GitHub Actions), observability tools, and cloud-native patterns (containers, IaC, event-driven design), with Azure experience preferred.