Ivan Tivonenko

Successfully designed, built, and maintained high-performance production and staging Kafka (Redpanda) clusters, managing terabytes of data, and ensuring their availability and scalability. Developed robust and scalable backend services in Go, which enabled efficient and seamless data serving for the organization. Implemented Continuous Integration/Continuous Deployment (CI/CD) processes that reduced development cycle times and ensured consistent quality of code releases. Set up and configured a comprehensive monitoring and alerting infrastructure that enhanced the reliability and uptime of critical systems. Successfully designed and built a highly scalable and resilient hybrid cloud solution that integrated on-premises infrastructure with AWS cloud services, leveraging HashiCorp's Nomad as a task scheduler. Efficiently managed and maintained 30 bare-metal servers, ensuring their optimal performance, availability, and security. Developed and optimized C++ code for processing blockchain data, achieving significant improvements in performance and scalability.

● Developed distributed realtime video streaming/transcoding/delivery network that handles thousands of concurrent video streams. ● Designed and developed metrics for network and continuous monitoring system that allows to maintain 99.9% availability SLA. ● Designed and developed REST API that is used by own tools and by external developers.

Developing video cdn solution. Improving video experience for millions of users. node.js backend, vanilla js customer facing frontend, angular js control panel.

Developed Ripple Trade client (AngularJS). Developed RippleLib - js library for communicating with rippled servers. Developed internal project (targeting nodejs using Koa framework) for easier integration rippled ledger into financial institutions IT infrastructure.

Managed team up to 10 developers. Defined all the technologies used, developed architecture for all projects. Released three games on iOS, seven on PC and one on social network. Developed extension for Marmalade SDK for AppsFlyer SDK (http://www.appsflyer.com/) Used C++, Java, Objective-C Developed extension for Marmalade SDK for integrating Amazon GameCircle into Marmalade. Code for this extension is now shipped with Marmalade SDK. Developed "Find difference" game for iOS (It is currently unavailable on App Store). It was developed using HaXe. For that game was developed custom hxcpp target targeting Marmalade SDK instead of OpenFl. Developed Match-3 game for Russian social network "Odnoklassniki". Client developed in HaXe targeting Flash, server - in HaXe targeting nodejs. For database used MongoDB. Developed "Find difference' game for android, Used C++ with Marmalade SDK. Developed hidden object game "Celtic Lore: Sidhe Hills" for windows desktop and iOS. Written in C++. For desktop directly interacted with DirectX, for iOS used Marmalade SDK. Using same base also developed hidden object games "Mystery Of The Earl", "Three Musketeers Secret: Constance's Mission", Live Novels: Jane Austen’s Pride and Prejudice. Developed point-and-click adventure game "Chukcha in big city" for windows desktop. Game developed in C++. For that game I made custom exporter from 3dsMax and integrated python for scripting.

Developed internal asp.net-based system for custom documents workflow, integrated with legacy accountant software.

Programming AutoCad extensions in C++