Hire Freelance
Backend Golang Developers in Berlin
Built through years working with teams and engineers in the Go ecosystem.
We specialize in backend platforms, cloud-native services, and distributed systems.
Focused, relevant introductions from a curated network.
Available Developers
Senior Backend Engineer
Operates fault-tolerant Go microservices on AWS and Kubernetes for a verification platform serving millions of merchants. Designed Kafka consumers with at-least-once semantics, deduplication, retries, dead-letter handling, and provider abstractions for KYC/KYB integrations.
- gRPC API design
- DynamoDB persistence
- Terraform infrastructure provisioning
- 75% authentication-cost reduction
Backend Golang Engineer
Led the development of high-performance data ingestion systems for IoT devices, processing millions of events daily. Spearheaded efforts in optimizing SQL queries for large-scale data retrieval operations.
- Designed fault-tolerant systems using Golang and Kubernetes
- Implemented event-driven architectures with message brokers
- Conducted performance tuning for JVM-based applications
Senior Go Backend Engineer
- Led migration of monolithic system to microservices architecture
- Built high-throughput data pipeline processing 1M+ events per second
- Designed and implemented real-time monitoring and alerting platform
Senior Golang Engineer
Designed and operated Go distributed systems for transaction-critical fintech workflows and event-driven platforms using Kafka, RabbitMQ, NATS, PostgreSQL, and ClickHouse. Recent systems include GraphQL server-driven experiences, experimentation infrastructure, and AI-powered semantic search with vector retrieval.
- Kubernetes platform engineering with Terraform and Helm
- OpenTelemetry tracing with Prometheus and Grafana
- Fault-tolerant concurrent service design
- RAG pipelines using Qdrant
Software Engineer
Architected distributed systems with gRPC and REST interfaces for high-throughput data processing. Designed database schemas and optimized SQL queries for large-scale applications.
- Implemented caching strategies to reduce API response times
- Led migration from monolithic to microservices architecture
- Developed real-time analytics platform using Golang and Python
Platform Engineer
Architected event-driven Kubernetes platforms using Kafka and Flink at more than 50,000 messages per second, supporting high-volume distributed workloads. Decomposed a monolith into more than 20 Go services while applying Saga, CDC, transactional-outbox, and eventual-consistency patterns.
- ClickHouse analytical storage
- Debezium change data capture
- ArgoCD deployment automation
- Qdrant and Weaviate vector search