We are looking for a talented and experienced Senior .NET Engineer to join Cycode team - an AI‑Native Application Security Platform that secures every stage of modern software delivery. Cycode unifies code and pipeline scanning, secrets detection, supply chain security, IaC analysis, and runtime insights into one end‑to‑end solution.

About the role

As a Backend Engineer, you will be involved in all stages of production from architecture, designing, coding, deploying and maintaining.

We use .NET Core, C#, MongoDB, Kafka, Postgres, Kubernetes, Graph-DB, Arango DB, Go (small service), Python (our CLI), CI/CD, Terraform, and Docker.

Responsibilities

• End-to-end development
• Contribute to technological and architectural decisions
• Work collaboratively with professional developers, Designers, and Product Managers to deliver a high-quality product

Requirements

• 4+ years of .NET Core/C# experience
• Experience with microservices development
• Deep understanding of microservices architecture and cloud-native development
• Experience with databases and message queue technologies
• Experience with Docker and Kubernetes

Nice to have

• Experience in developing a security-related SAAS product
• Experience with continuous integration and deployment (CI/CD)
• B.Sc in Computer Science/Software Engineering or related field
• Familiarity with the GraphQL framework
• Familiarity with the Graph Databases

Benefits

• Work in a highly professional team with a friendly community spirit and supportive environment
• Ability to work from our comfortable office in Warsaw at Prosta str. 51
• Paid vacation — 20 business days per year, 100% sick leave payment
• 4 additional Friday-days off during the year
• 5 sick days per year
• Equipment provision
• Medical insurance (after the end of the probationary period)
• Partially compensated educational costs (for courses, certifications, professional events, etc.)
• Legal and Accounting support