Hire Freelance
Golang Developers in Germany







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
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 Golang Developer
Built scalable RESTful APIs and gRPC services for cloud-native applications. Designed and maintained PostgreSQL databases for high-availability enterprise environments. Leveraged OpenAPI specifications to streamline API documentation and client integrations.
- Designed efficient caching layers using net/http for reduced latency
- Implemented secure authentication mechanisms in distributed systems
- Optimized database queries for performance improvements in large datasets
- Developed CI/CD pipelines for automated deployment and testing
Staff Go Developer
- 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
Platform/Software Engineer
Built high-performance platforms integrating Golang and Rust for system-level programming, with a focus on optimizing SQL database interactions and enhancing developer experience through Nix-based environments.
- Integrated Rust for low-level system optimizations
- Enhanced database performance with advanced SQL tuning
- Developed cross-platform tools leveraging TypeScript and Kotlin
Senior Backend Engineer
Designed and implemented high-throughput distributed systems for real-time data processing, optimizing for low-latency and fault tolerance. Developed scalable microservices architecture for a financial technology platform, handling millions of transactions daily. Led the migration of legacy monolithic systems to cloud-native infrastructures, leveraging containerization and orchestration tools.
- Built RESTful APIs for large-scale e-commerce platforms
- Optimized SQL queries for performance in data-heavy applications
- Integrated machine learning models into backend services
- Developed custom caching solutions for high-traffic web applications
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
Senior Software Engineer
Spearheaded the development of a CI/CD pipeline on AWS for continuous deployment in a containerized environment. Utilized gRPC to enhance inter-service communication in distributed systems.
- Implemented Docker orchestration for scalable application deployment
- Developed JavaScript tools for frontend-backend integration
- Automated infrastructure management with Terraform on AWS
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
Senior Golang Developer
Designed high-throughput authorization, log-ingestion, and security systems in Go and C++, including RBAC, resource-scoped ABAC, and transactional-outbox workflows. Engineered a TLV-based TCP protocol with batching that increased ingestion throughput from 50,000 to 500,000 logs per second per node.
- Designed backward-compatible protobuf contracts
- Built custom network protocols over TCP
- Implemented database security tooling
- Hardened authentication with network-bound access controls
Golang Developer
Built Go services for warehouse telemetry heatmaps, task management, financial directories, mobile synchronization, online chat, and financial reporting. Uses Kafka, ClickHouse, PostgreSQL, Redis, gRPC, Kubernetes, Terraform, and OpenTelemetry across warehouse and financial data workflows.
- Integrated HL7 and FHIR interfaces
- Supported SOAP and HealthShare systems
- Implemented AWS infrastructure with Terraform
- Built ClickHouse reporting pipelines
Technical Architect for L0 and L1 Layer and Lead of AI Infrastructure
Designed and led the deployment of AI infrastructure for a leading tech firm, focusing on containerized environments using Docker and Kubernetes. Built a secure blockchain platform with Rust, ensuring data integrity and transparency.
- Automated infrastructure provisioning with Terraform
- Implemented L0 and L1 protocols for blockchain networks
- Optimized AI algorithms for real-time decision-making
Cryptography Engineer
Developed cryptographic protocols for secure communications in decentralized networks. Specialized in implementing zero-knowledge proofs and homomorphic encryption using Rust and Python. Contributed to open-source cryptographic libraries, enhancing their efficiency and security.
- Authored custom hashing algorithms for blockchain applications
- Improved elliptic curve cryptography implementations
- Automated security audits with custom Bash scripts
Senior Software Engineer
Built data-driven services for purchasing decisions and a file-management platform supporting internal, external, and public sharing. Implemented file format conversion, authorization, collaborative editing, batch downloads, and an AI agent that executes file operations from natural-language prompts.
- Secure file-sharing and access-control workflows
- Cross-format document manipulation pipelines
- Natural-language file operation commands
- Operational documentation and L3 support
Cloud Security Software Engineer
Develops Go services for cloud-security workflows, including vulnerability analyzers spanning multiple operating systems and programming languages. Works with Kubernetes cluster monitoring, container troubleshooting, and policy evaluation for vulnerability management.
- Kafka asynchronous messaging
- IBM MQ integrations
- OpenShift deployment workflows
- Dynatrace service monitoring
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