
SERVICES
Services
End-to-end development for stable systems
7
Services
Alles
End-to-end
25+
Years Experience
API Design & Spring Boot
API-First (OpenAPI/Swagger), versioning, clear contracts — fast to integrate, easy to maintain
- OpenAPI/Swagger contracts & versioning, client generation
- Ports & adapters (hexagonal), clear service boundaries
- Tests (unit/contract/integration), quality gates & performance checks
Web & Frontend
Angular, TypeScript, NGRX/NGXS — performant UIs with clean API integration and solid state management
- Angular (standalone components, OnPush, SSR), clean component architecture
- State management with NGRX/NGXS, reactive data pipelines with RxJS
- Responsive layouts, accessibility, performance optimization (lazy loading, bundle splitting)
Microservices & Events
Bounded contexts, Kafka/RabbitMQ, resilience (idempotency, retries) — robust scaling without chaos
- Domain decomposition & bounded contexts, clear responsibilities
- Events & messaging (Kafka/RabbitMQ), idempotency & retry strategies
- Resilience patterns: circuit breaker, timeouts, exponential backoff, dead-letter queues
Delivery & Operations
Docker, Kubernetes, Helm, GitLab CI/CD, blue/green & canary — predictable releases, secure operations
- GitLab CI/CD: build & release pipelines, artifact versioning & promotions
- Kubernetes/Helm deployments, blue/green & canary rollouts (optional GitOps)
- Observability hooks (metrics, logs, traces), SLOs & alerts
Databases & Storage
PostgreSQL/MariaDB/MongoDB — reliable data foundation, high performance
- Schema design & migration (Flyway/Liquibase), consistency & versioning
- Tuning & scaling: indexing, EXPLAIN, connection pooling, replication/HA
- Backup & restore (PITR), disaster recovery
Observability & Search
Elasticsearch, Kibana, Superset, metrics/logs/traces — transparency, dashboards & fast root cause analysis
- Self-service dashboards (Kibana, Superset), clear KPI sets
- Low-maintenance data models, consistent definitions, traceable metrics
- OpenTelemetry/structured logs, distributed tracing
AI Workflows & Automation
Ollama, n8n — local AI workflows & automation
- Local LLM models with Ollama for internal workflows
- n8n-based automations and integrations
- Data pipelines and intelligent process optimization