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Golang Developers in Spain

Developed distributed systems for real-time data processing and analytics. Architected microservices for scalable e-commerce platforms, optimizing database interactions with MongoDB and Postgres.

• Implemented high-throughput APIs using Golang
• Optimized MySQL queries for improved database performance
• Integrated third-party payment gateways with Golang services

Designed and implemented distributed systems for real-time data processing in financial services. Developed scalable microservices architecture handling millions of transactions daily. Spearheaded the migration of monolithic applications to cloud-native solutions, improving system reliability and performance.

• Optimized SQL queries for high-frequency trading systems
• Integrated PHP legacy systems with modern Golang services
• Engineered RESTful APIs for fintech platforms
• Automated CI/CD pipelines using Python scripts

Led the development of a real-time IoT data processing platform using Golang and Node.js, achieving high availability and fault tolerance. Spearheaded the creation of a scalable cloud-based infrastructure for a SaaS application.

• Implemented serverless architecture with AWS Lambda
• Developed custom plugins for data visualization tools
• Built a CI/CD pipeline for automated deployments

Developed large-scale distributed systems for financial transaction processing, optimizing for low latency and high throughput. Architected a microservices platform leveraging Golang and Kafka for real-time data streaming, supporting millions of transactions per day. Implemented advanced caching strategies using Redis to enhance system performance in a high-demand environment.

• Designed fault-tolerant message queues with RabbitMQ
• Built scalable database solutions with PostgreSQL and MySQL
• Integrated CI/CD pipelines for automated deployment and testing

Engineered scalable backend services using Golang and Java for enterprise applications. Developed cloud-based solutions with Python for automation. Integrated multi-language support with C# and TypeScript.

• Scalable backend services
• Cloud-based automation solutions
• Multi-language support integration

Built and shipped multiple SaaS products with Go, React, AWS ECS, RDS, Athena, Terraform, and GitLab CI/CD, covering backend delivery through infrastructure automation. Developed an IoT product with a Go backend and React Native client, while owning technical roadmaps for products and cross-functional delivery.

• Reduced e-commerce infrastructure costs by 30%
• Built AI integrations into SaaS workflows
• Created game-accessory e-commerce infrastructure
• Managed deployments across AWS data services

Led backend development for cloud-native applications using Golang and gRPC. Designed scalable database architectures with PostgreSQL and MongoDB. Implemented NodeJS services for real-time data processing.

• Cloud-native applications with Golang
• Scalable database architectures
• Real-time processing with NodeJS

Designed scalable backend architectures using Erlang and Golang, focusing on concurrency and fault-tolerant systems. Led the development of data-intensive applications with SQL and Python.

• Implemented complex data transformations with Bash scripting
• Architected messaging systems for real-time communication
• Optimized PHP applications for cloud deployments

Led backend development for a healthcare platform using Golang and FastAPI. Streamlined data workflows by building efficient APIs for medical data exchange. Enhanced system security and compliance with industry standards in sensitive data handling.

• Implemented TypeScript-based microservices with NestJS
• Optimized server response times under high load conditions
• Built data validation layers for clinical trial applications
• Automated testing frameworks for API reliability

Developed backend services for a social media platform, focusing on scalability and resilience. Implemented search functionalities with Elasticsearch, enabling real-time data retrieval and indexing.

• Configured Kubernetes clusters for improved resource allocation
• Streamlined CI/CD processes with Gitlab for faster deployments
• Deployed containerized applications using Docker on Google Cloud

Designed and implemented microservices architecture for a high-traffic e-commerce platform, optimizing service communication with REST APIs. Developed CI/CD pipelines using TeamCity to streamline deployment processes, reducing release time by 40%.

• Automated infrastructure provisioning with Bash scripts
• Integrated third-party payment gateways via RESTful services
• Implemented logging and monitoring solutions for microservices
• Optimized database queries to improve API response times

Managed Kubernetes clusters with RKE2 and k3s for scalable deployments on Azure. Automated infrastructure operations using kubeadm.

• Kubernetes cluster management with RKE2
• Scalable deployments on Azure
• Automated ops with kubeadm
• Lightweight clusters using k3s

Designed event-driven Go microservices using NATS pub/sub, including notification infrastructure delivering 3.6 million messages weekly. Led service-level gRPC migration and built high-throughput APIs across education, retail, and digital commerce domains.

• Millions of weekly API requests
• AWS and GCP Kubernetes deployments
• MySQL and NoSQL persistence models
• Spec-driven AI-assisted testing workflows

Reviewed government application architectures against standards for scalability, networking, availability, and compliance, while contributing to backend systems across mobile products, marketplaces, and iGaming. Refactored modular monoliths, added Go endpoint tests, and resolved a production reporting memory issue.

• Go httptest and table-driven testing
• Symfony and Behat BDD workflows
• Swagger API documentation
• Third-party payment and platform integrations