I develop the game projects backend

In the Linga.io side-project, an EdTech mobile app for language learning, I architected a robust CI/CD pipeline. Implemented a comprehensive suite of back-end features, including user authorization, push notifications, and NLP services using SpaCy. I engineered the backend infrastructure on Hetzner, achieving a 3x cost-efficiency compared to AWS, complete with PostgreSQL, monitoring, and alerts using Prometheus and Grafana. Currently, I am enhancing the system's scalability and reliability by transitioning to Kubernetes and implementing a blue-green deployment strategy.

I led the GameOps development, assembling a team of 7 engineers and introducing a suite of operational tools and services. Actively provided mentorship and technical guidance, ensuring the team's continuous growth and adherence to industry best practices. I institutionalized system design reviews, elevating our development process's quality and efficiency. Collected, estimated, and managed technical debt, ensuring sustainable and scalable solutions. My contribution also included authoring technical requirements documents, facilitating deployment of new and existing services and enhancing service reliability.

Improved infrastructure in terms of scalability, maintainability, observability and stability. Integrated solutions like Google Agones, Prometheus, Sentry, Directus.1) GameServer: the codebase migrated from JavaScript to TypeScript, legacy physics replaced with Ammo.js, implemented anti-cheat prevention.2) Developed mechanics like player assists, rejoin, catacombs feature for the Land project and others.3) Created microservices: clan management, cross-regional player state handling, private matches, matchmaking.4) Created system design and launched implementation of async events for client-server communication.5) Incident management & troubleshooting.6) Participated in hiring engineers (technical interviews and assessment)7) Helped to improve time-to-market via changes in pipeline - deployment, discovery and testing not coupled builds.

Created a cross-functional team at the Moscow site. Accepted responsibility for a payment & fraud prevention infrastructure. Implemented work processes based on Agile methodologies for the team: standups, feature groomings, retrospectives, planning poker, kanban board etc.Responsibilities1. People management (career aspirations, mentoring, retention risk, meetings facilitation) - 9 people in total2. Production stability (engineers duty, troubleshooting, root cause analyses)3. Delivering features (coaching the feature-owners to clarify requirements, helping with estimation and planning)4. Cross-team communication and collaboration assistance5. Building strategic agenda and helping the team to be transparent for other departments and stakeholders.Created new payments infrastructure that allowed company to make a global b2b service. Fixed critical bugs at the money-related business flow. Developed new tools for anti-fraud and reconciliation operations.

Millions of Muscovites use products which I designed as Back-end Architect. It’s a bunch of mobile applications such as Road offences, Active Citizen, that based on the Unified Mobile Platform and the Free Moscow Wi-Fi project.

Organized 5 teams: Backend teams, DevOps and Frontend- more than 30 engineers in total. Played several roles: software architect, tech manager, lead developer. Hired more than 40 people, most of whom were engineers.With my pro-active participation the company successfully developed a strategic project for the local government.Implemented feature development life cycle: System design → Code → QA → Deploy → Maintenance. Introduced architectural artifacts which helped us to complete cross-team projects in an efficient way: concept schemes, data flow diagram, workflow diagram, sequence diagram.

Worked on system design of unified mobile platform.

Managed engineers team: developers and QA. Coach and train teammates. Responsibility for a software releases. Provided code review. Designed custom components for the data integration.

Developed information and media services with subscription model for customers: MTS, Life. It was millions subscribers, thousands SMS per hour.

Run a website development start-up. Hired new members and managed developers team. Additional responsibilities were pre-sale and negotiations.Built IT infrastructure: dedicated servers, continuous integration & continuous deployment. Successfully finished 5 projects for the customers.

Wrote code, fixed bugs for customers websites. Provided site maintenance. Worked with CMS engines such as Drupal, Wordpress etc. by upwork.com contracts.

I managed the MMORPG development team - 3 people in total.Programmed a behavior of the non-player creatures (NPC) based on artificial intelligence. Developed tools that enable script developers to add new game elements and to modify existing assets.Performed research task in disassembling proprietary binaries in order to collect information about data structures, protocol and features.Launched new game server which was focused on the PvP gameplay that increased company net profit from $40k up to $120k annual.