Julian – Kubernetes, Golang, AWS

A universal container execution platform that enables workloads to run across multiple cloud providers and regions. It provides a flexible, cross-cloud environment for deploying and managing containerized workloads across diverse infrastructure environments.

• Designed and implemented the platform architecture based on REST principles and message passing.
• Designed a control plane for cloud identity, enabling cloud-agnostic configuration.
• Developed Wormhole technology to enable cross-provider access to TCP-based services.
• Designed systems, supervised component owners, and maintained overall consistency and understandability across the platform.
• Designed and helped build a scheduling layer on top of Kubernetes for a multi-cloud, multi-region environment with multiple clusters.
• Developed scheduling logic to determine where workloads should run based on available capacity and customer location preferences.
• Expanded the system with features such as log collection and metric collection, while keeping it manageable for a small core team.
• Helped ensure that a platform made up of components from different organizations operated as one cohesive system.
• Set informal team principles for managing state and troubleshooting distributed-system failures, with a focus on first-principles reasoning and consistency.

A cloud orchestration platform that enables organizations to manage and coordinate infrastructure and workloads across cloud environments. It supports scalable, automated operations, workload portability, and consistent management across multi-cloud and multi-region deployments.

• Designed and implemented an observability layer on top of an internal PaaS.
• Implemented Kubernetes multi-tenancy.
• Implemented FedRAMP-compliant Kubernetes clusters, hardening the control plane and the underlying OS.
• Developed platform plug-ins for AMQP, REST, and SQL.
• Streamlined plug-in development by introducing Spring, Guice, and custom Maven plug-ins.
• Enabled rapid plug-in development by creating a model-driven code generator.
• Implemented GCP on top of vSphere through Virtual GCE.
• Accelerated Docker adoption by implementing the registry protocol on top of a legacy build and artifact management system.
• Accelerated Kubernetes adoption by building a Kubernetes-as-a-Service portal on top of an internal IaaS platform using preemptible VMs.
• Implemented a log-routing solution based on Fluentd (Ruby, Go) for a multi-tenant cluster.
• Implemented a Dyn.com DNS provider for external-dns (Go)
• Patched open-source components to work in a constrained FedRAMP environment.
• Fixed external and open-source projects to meet compliance requirements.

A distributed trading platform for a retail forex brokerage, supporting currency trading operations for individual traders in the Bulgarian market.

• Designed and implemented an online retail FOREX trading platform, migrating from a legacy solution.
• Designed and implemented a distributed order-matching system;
• Integrated external payment providers.
• Created web services for partner integrations and technical analysis;
• Reverse-engineered Java desktop applications.
• Worked as a Java consultant in the telecommunications domain, focusing on content delivery and payments.
• Worked as a TIBCO consultant on BusinessWorks and EMS projects.
• Obtained certifications in TIBCO BusinessWorks and EMS.