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Golang Developers in Poland

Architected distributed systems for large-scale data processing in cloud environments, leveraging Kubernetes for orchestration. Built a high-throughput messaging system with Golang, optimizing for low-latency communication across services.

• Automated deployment pipelines using Terraform and AWS Lambda
• Integrated Redis for efficient session management in web applications
• Optimized PostgreSQL queries to enhance database performance

Built an invoice web application with Spring Boot, Spring Security, Hibernate/JPA, and an Angular front end, covering authenticated business workflows and relational persistence. Developed a JavaFX Reversi application backed by PostgreSQL and JDBC, with REST integration and JSON, XML, and properties-based configuration.

• Containerized deployments with Docker and Kubernetes
• Redis-backed caching and data access
• Prometheus and Grafana monitoring configurations
• Cloud platform work across Azure and Google Cloud

Developed Go search-service modules for a WebOps hosting platform using Solr, Elasticsearch, Kubernetes, Docker, and Google Cloud. Migrated European payment processing from a monolith to Kafka-backed microservices, reducing payment latency by more than 3.5 times across SEPA, SWIFT, and FPS flows.

• CMS hosting platform architecture
• PostgreSQL and MongoDB application backends
• React-integrated education product services
• Payment migration from PHP services

Developed distributed microservices architecture for high-traffic financial platforms, handling millions of transactions daily. Engineered a real-time analytics system for large-scale data processing in the ad-tech domain. Pioneered the integration of machine learning models into backend services to enhance predictive capabilities.

• Optimized JVM performance for low-latency trading systems
• Implemented RESTful APIs for cloud-native applications
• Architected scalable solutions using Kubernetes and Docker
• Led migration from monolith to microservices

Developed scalable microservices architectures for e-commerce platforms, optimizing transaction processing. Built real-time analytics systems using Golang and NoSQL databases, enhancing data retrieval speeds by 30%.

• Implemented caching strategies with Redis for high-traffic applications
• Designed RESTful APIs for cross-platform integrations
• Migrated legacy systems to cloud-native architectures

Architected high-performance distributed systems with Rust and Golang, focusing on low-latency applications. Led the design of load balancing solutions using Nginx and HAProxy to optimize network traffic. Implemented complex database schemas in MariaDB for e-commerce platforms.

• Optimized MySQL queries for better transaction throughput
• Designed API gateways for microservices architecture
• Developed caching strategies to reduce latency

Designed scalable cloud architectures using Kubernetes and Helm for enterprise applications. Led the migration of legacy systems to Golang-based microservices, enhancing system resilience and scalability. Spearheaded the integration of a distributed tracing system for performance monitoring.

• Built an event-sourcing system in Java
• Deployed multi-region Kubernetes clusters
• Integrated real-time analytics with Apache Kafka

Built scalable backend services using Golang and Rust, focusing on high-performance data handling. Developed event-driven systems leveraging NATS for seamless microservices communication. Designed data models with MongoDB and PostgreSQL to support complex querying needs.

• Integrated Redis for session management in distributed systems
• Developed RESTful APIs with efficient Golang frameworks
• Utilized PostgreSQL for transactional data integrity

Developed a high-performance trading engine in C++ for a global financial exchange. Designed and implemented a shell scripting automation framework for large-scale server management. Contributed to the development of a secure messaging protocol using Golang.

• Led the migration of legacy systems to cloud infrastructure
• Enhanced data serialization efficiency in distributed systems
• Integrated third-party APIs for financial data services

Developed cloud-native microservices architecture handling millions of requests per minute. Designed and optimized distributed caching systems for high-traffic e-commerce platforms. Led the migration of monolithic applications to scalable, containerized environments.

• Implemented RESTful APIs using Golang and TypeScript
• Integrated CI/CD pipelines for automated deployments
• Optimized database queries for performance gains

Architected and deployed a scalable cloud infrastructure on AWS, optimizing resource allocation and cost management for large-scale applications. Developed secure identity and access management protocols using AWS IAM, ensuring compliance with industry standards. Engineered high-availability solutions with AWS EKS and EC2, enhancing system reliability and uptime.

• Implemented multi-region failover strategies with AWS VPC
• Optimized database performance using AWS RDS
• Designed automated infrastructure provisioning pipelines

Architected high-traffic web applications using Django and Golang, focusing on scalability and performance. Led the migration of monolithic systems to microservices, enhancing resilience and maintainability. Developed complex SQL queries for data-intensive applications, optimizing database interactions.

• Built real-time analytics platforms using Python and TypeScript
• Integrated TypeScript into legacy JavaScript codebases
• Designed RESTful APIs for cross-platform compatibility

Developed Go services for cybersecurity reporting, including asynchronous job processing, headless Chromium document rendering, signed object-storage delivery, and OAuth service authentication. Extended zero-downtime PostgreSQL logical-replication tooling across multi-schema clusters and improved graph-routing performance 2.5× for workloads serving more than one million riders.

• Kubernetes and Helm production packaging
• Patroni PostgreSQL high availability
• Prometheus and Grafana observability
• AI-agent engineering workflows

Developed authorization infrastructure in Go and PostgreSQL, including an effective access-scope engine for RBAC across thousands of namespaces. Optimized a video-analysis pipeline for duplicate, copyright, and policy detection, reducing memory consumption by approximately tenfold through profiling and allocation tuning.

• SAC query latency reduced from 16 seconds to 1.6 seconds
• Go-native FIPS cryptography adoption
• Container hardening with ubi-micro images
• CI build time reduced from 35 to 12 minutes