Cornerstone

🧑‍💻 Middle Software Engineer (.NET / AWS / React)

📌 About the Product

We are building a comprehensive IT Security platform that automates security analysis processes, integrates with development tools, and performs code scanning.

The product includes:

• A central portal (API + frontend)
• A set of tools for code analysis and security scanning
• Data processing pipelines for security metrics
• AI-powered components (agents and workflows)

🚀 Responsibilities

• Develop and maintain backend services using .NET
• Work with the frontend built in React (TypeScript)
• Integrate with external systems (e.g., GitHub, Jira, security scanning tools)
• Design and optimize background jobs for data collection and processing
• Contribute to internal tools development (.NET / Python)
• Work with AWS infrastructure (ECS, Lambda)
• Participate in CI/CD processes (GitHub Actions)
• Containerize and manage services using Docker

✅ Must-have requirements

• 2+ years of experience with .NET (C#)
• Hands-on experience with React + TypeScript
• Practical experience with AWS (especially ECS and/or Lambda)
• Strong understanding of Docker
• Experience designing and working with REST APIs and integrations
• Understanding of CI/CD practices (GitHub Actions or similar)
• Experience with Git and modern development workflows

⭐ Nice to have

• Experience with Python (automation, scripting, tooling)
• Knowledge of Infrastructure as Code (Terraform)
• Experience with container orchestration (ECS, Kubernetes)
• Experience building custom GitHub Actions (TypeScript)
• Background in Application Security / DevSecOps
• Experience with AI/LLM:
  • Building agents or workflows
  • Familiarity with Semantic Kernel or similar frameworks
• Experience with metrics collection systems or data pipelines

🧠 What we offer

• Opportunity to work on a complex product in the IT Security domain
• Ability to influence architecture and technical decisions
• Modern tech stack (cloud, AI, automation)
• Flexible environment with growth opportunities