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Backend Golang Developers in Netherlands

Modernized a Go ingress router handling peaks above 15,000 requests per second for web, mobile, and AI-streaming traffic. Earlier work includes payment-processing systems and infrastructure/database migration that reduced recurring costs by more than 90%; also contributed signal.NotifyContext to the Go standard library.

• PostgreSQL with pgvector
• OpenTelemetry instrumentation
• Pulumi infrastructure as code
• Prometheus service metrics

Developed core features for cluster scheduling and identity-aware proxy systems, including OIDC authentication, Consul and Vault integrations, benchmarking, deployment workflows, and Raft WAL integration. Designed an event-driven data platform using Spark, Airflow, BigQuery, and Terraform, and previously built software-defined networking tools for satellite infrastructure.

• Formal methods research background
• Linux systems engineering
• Kubernetes developer tooling
• GCP platform automation

Designed high-performance backend systems for financial applications with Golang and Java. Developed a scalable transaction processing engine handling millions of daily operations.

• Created API gateways for service-to-service communication
• Enhanced legacy systems with modern technologies like Kotlin
• Developed middleware for cross-platform data exchange

Builds distributed backend platforms and microservice architectures in Go, including REST/gRPC APIs and concurrent systems handling more than 500,000 requests per second. Develops SaaS products with cloud infrastructure, automation, and AI-assisted engineering workflows, emphasizing high availability and performance optimization.

• Kafka and ClickHouse data-processing architectures
• PostgreSQL, MongoDB, MySQL, and Redis persistence layers
• AWS EKS and Azure AKS deployment environments
• ELK-based logging and OWASP security practices

Architected distributed systems for financial services, ensuring scalability and reliability. Spearheaded the migration of legacy PHP systems to modern Golang-based microservices.

• Designed high-availability systems for real-time transaction processing
• Led full-stack development for large-scale enterprise applications
• Implemented CI/CD pipelines to automate deployment processes

Designed and implemented a high-throughput real-time data processing pipeline using GoLang and Kafka, capable of handling millions of messages per second. Led the migration of legacy systems to microservices architecture, optimizing database interactions with Postgres and Oracle for improved latency. Developed a custom consensus protocol for distributed systems, ensuring fault tolerance and high availability.

• Built a scalable event-driven architecture with Kafka
• Optimized query performance in multi-terabyte Postgres databases
• Integrated GoLang with existing Java and Scala applications
• Implemented real-time analytics platform for financial data

Architected resilient backend systems in Golang and Ruby, optimizing for high-availability. Led development of large-scale distributed applications with a focus on microservices.

• Resilient backend systems
• High-availability optimization
• Large-scale distributed applications
• Microservices architecture

Rebuilt a mission-critical payment switch from Java in Go and migrated legacy PHP capabilities into Gin and Fiber services. Operates event-sourced read models, OAuth2/JWT authorization, Kubernetes autoscaling, Argo CD delivery, and Spark-based data platforms.

• Built Cobra-based operational CLI tooling
• Implemented RBAC across service boundaries
• Configured Prometheus production monitoring
• Deployed workloads across AWS and Azure

Implemented digital-credential platforms using OpenID4VC 1.0 and W3C VCDM 2.0, enabling interoperability with European identity pilots. Designed provider-agnostic hardware-backed key storage, X.509 certificate lifecycle management, EU Trusted List validation, and privacy-preserving customer integrations.

• Built widely adopted Go desktop software
• Created an application exceeding 100 million downloads
• Maintained open-source IPFS infrastructure
• Instrumented services with OpenTelemetry

Reworked an AI imaging platform in Go using DICOMweb handlers, Temporal orchestration, FHIR R4B notifications, and healthcare service discovery through mCSD. Earlier systems include OpenRTB real-time bidding, logistics visibility services, and OpenTelemetry analytics pipelines backed by ClickHouse.

• Implemented XDS interoperability workflows
• Built GraphQL and gRPC services
• Used Dgraph and Datastore persistence
• Applied CQRS to event-driven systems

Specialized in building distributed systems with Rust and Scala, leveraging Kafka and ClickHouse for data streaming and analytics. Designed resilient, high-throughput applications.

• Distributed systems expertise
• Kafka and ClickHouse
• Data streaming and analytics
• High-throughput applications

Specialized in blockchain technology, implementing smart contracts on the Solana platform. Developed iOS applications with a focus on performance optimization using Swift and Objective-C.

• Implemented smart contracts on Solana
• Optimized iOS apps with Swift
• Focused on blockchain technology

Led development of distributed systems on Kubernetes, ensuring scalability and resilience in cloud environments. Implemented CI/CD pipelines for seamless deployment and managed KV data stores for high-performance data retrieval.

• Managed distributed systems on Kubernetes
• Implemented robust CI/CD pipelines
• Optimized KV data stores for performance

Designed and deployed complex simulation models in Rust for scientific research. Developed enterprise-level software solutions with a focus on performance and scalability. Led multi-disciplinary teams in creating advanced analytics platforms.

• Engineered Golang-based microservices for cloud-native applications
• Integrated Matlab for computational modeling in engineering projects
• Developed C# applications for enterprise resource planning systems