System Integration
Connect internal and external systems through explicit, testable contracts.
- REST APIs
- CRM and ERP
- Payment providers
- Webhooks
- Data synchronization
Fahrentech / Engineering
Engineering services
Focused services for businesses whose APIs, data and operational workflows must remain understandable and dependable.
Backend Engineering
Build maintainable backend services and integration gateways.
- FastAPI services
- Internal APIs
- PostgreSQL
- Async workloads
- Integration gateways
Business Automation
Remove repetitive operations and make results visible.
- Automated workflows
- Telegram automation
- Scheduled processes
- Management reports
- Data aggregation
Integration Reliability
Detect and recover from failures before they distort business operations.
- Monitoring
- Retries and idempotency
- Reconciliation
- Anomaly detection
- API health checks
AI & LLM Integration
Give AI controlled, auditable access to useful business capabilities.
- LLM integration
- MCP servers and connectors
- Tool calling
- Internal tools
- Controlled permissions
System & Business Analysis
Turn business intent into buildable specifications.
- Requirements
- BPMN and UML
- Use Cases
- Sequence diagrams
- API and data contracts
FinTech & Payments
Design secure payment flows with explicit lifecycle and recovery behavior.
- Payment APIs
- Transaction states
- Callbacks
- Authentication
- Reconciliation