Backend / Systems Engineer

• Develop and maintain backend services and APIs to support various applications.
• Design and implement scalable and efficient system architectures.
• Manage server infrastructure and ensure system reliability and performance.
• Collaborate with cross-functional teams to define system requirements and deliver solutions.
• Optimize applications for maximum speed and scalability.
• Monitor system health, troubleshoot issues, and perform root cause analysis.
• Maintain security best practices across backend systems and infrastructure.
• Document system architecture, code, and operational procedures.
• - API contract - endpoint naming, schemas, HTTP status codes, error format
• - Authentication flow - token lifecycle, MFA enforcement points, role hierarchy
• - Workflow state transitions - what is permitted, logged, irreversible
• - Rate limiting, throttling, and idempotency design
• - Technology choices within the approved backend stack

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 3+ years of experience in backend development or systems engineering.
• Proficiency in backend programming languages such as Java, Python, Go, or Node.js.
• Experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB).
• Strong knowledge of system design principles and distributed systems.
• Familiarity with containerization and orchestration tools like Docker and Kubernetes.
• Understanding of networking, server management, and security best practices.
• Experience with version control systems like Git.
• Ability to work collaboratively in an agile development environment.
• Excellent problem-solving skills and attention to detail.
• - FastAPI - async handlers, dependency injection, Pydantic models, middleware
• - Python 3.10+ - type hints, async/await, robust exception handling
• - PostgreSQL - ORM (SQLAlchemy), raw query optimization, transaction management
• - Azure AD - OAuth 2.0, JWT validation, MSAL, RBAC
• - Redis - session store, distributed lock patterns, caching
• - REST API design - versioning, error standardization, OpenAPI spec generation
• - Docker + Azure App Service deployment
• - GitHub Actions CI/CD
• - pytest - unit and integration test coverage
• - State machine design for multi-step workflows

• Paid Time Off
• Performance Bonus
• Training & Development

BlackStone eIT