Sep 2021 – Dec 2024 · 3 yrs 3 mos · Luxembourg

• Global market leader in online entertainment and a B2B live streaming platform with 45M monthly active users.
• Tech stack: PHP, TypeScript, Symfony, Node.js, React, Tailwind CSS, Next.js, MySQL, Redis, Memcached, RabbitMQ, Kubernetes, Atlassian, ELK, OpenStack.
• Member of the Technical Board, responsible for delivering strategic cross-department technical programs, reporting to the SVP of Engineering.
• Managed two teams of 14, including Engineering Leads, focused on platform engineering: Frontend Modernization, Internal Developer Platform.
• Defined and maintained technical roadmap, standards, guidelines, and best practices for the engineering organization.
• Built up a culture of ownership and accountability by creating environment of trust, training leads, clear expectations, and streamlining communication.
• Delivered Release Management Automation, improving the QA feedback loop by migrating CI/CD environments to Kubernetes.
• Orchestrated migration of a PHP/React monolith to a NextJS/microservice architecture, unified the design system, improving lead time of changes.
• Enhanced cross-team collaboration through Backend and Frontend Guilds, RFCs, ADRs, workshops, and inner sourcing.
• Improved on-call efficiency and psychological safety with SRE principles, reorganizing on-call areas, and implementing RCA and postmortem processes.

Sep 2017 – Aug 2021 · 3 yrs 11 mos · Luxembourg

• Overall managed four teams, 29 reports: Payments, Core Backend (Business and Refactoring), Cross-functional Product Team.
• Built environment for high performance where engineers felt motivated, valued, challenged and productive, focusing on effective team work.
• Created new payment methods, providers (PSP, wallets, crypto), currencies, reconciliation, refunds and chargeback flows.
• Built a system for running customizable marketing campaigns which led to 200% YOY income growth.
• Ensured PCI DSS compliance, successfully passing external audits with the highest scores.
• Directed integration of transaction reporting to ERP (Dynamics365), business intelligence and anti-fraud systems.
• Transformed a complex legacy monolith to a clean domain-oriented event-driven microservice architecture, with zero downtime.
• Demonstrated ability to play an active role in the technical challenges, rolling up the sleeves and contributing hands-on during crisis.

Nov 2016 – Aug 2017 · 9 mos · Luxembourg

• Followed the lead of an Engineering Lead and a Product Owner to deliver the highest quality solutions within agreed timelines.
• Translated business requirements to architectural decisions by documenting functional and non-functional requirements with PlantUML and Confluence.
• Designed JSON RESTful APIs in OpenAPI format (Swagger), ensuring industry standards, reusability and security by design.
• Developed application components, APIs, async queues, caching strategies, covering with unit, integration, functional and API tests.
• Enhanced team work as code reviewer, ensuring best practices, extensibility, code reuse, security and performance.
• Reduced complexity and improved performance of the system components by refactoring, load testing and profiling.

Nov 2015 – Sep 2016 · 10 mos · Greater London, England, United Kingdom · Remote

• FashionTech. ASTF is a B2C bespoke garment manufacturing and retailer company based in the UK.
• Tech stack: PHP, AWS, Symfony, RESTful APIs, microservices, TypeScript, React, SPA, MySQL, RabbitMQ, Docker, GitLab, CircleCI, Slack.
• Managed a small team of highly skilled backend and frontend software engineers.
• Led the implementation of features which automated and improved efficiency of business supply chain operations like resource planning and logistics.
• Built an event-driven microservice architecture over the course of event-storming and domain storytelling sessions with the team.
• Automated CI/CD with AWS, Docker, CircleCI and Chat Bot in Slack.

Sep 2014 – Oct 2015 · 1 yr 1 mo · Saint Petersburg, Russia · On-site

• AdTech. Ad Exchange, Real-time Bidding (RTB), Demand-side platform (DSP).
• Tech stack: PHP, Symfony, RESTful APIs, HAProxy, Redis, MySQL, Ansible, Linux, Bash, Grafana, InfluxDB, Riemann, bare-metal.
• Evolved Search and Click features of an Ad Exchange product by developing components and promptly discovering and fixing bugs.
• Optimized a high-load (20K RPS) AdTech platform for high performance (10ms response time SLA), high availability and fault tolerance.
• Contributed to application metrics infrastructure with Grafana, InfluxDB, Riemann.
• Contributed to team work with code reviews and applying coding best practices, SOLID principles, code reuse, modular design, layered architecture.

Aug 2011 – Apr 2014 · 2 yrs 8 mos · San Francisco, California, United States · Remote

• Media transcoding B2C SaaS and B2B PaaS.
• Tech stack: PHP, AWS, MySQL, RabbitMQ, FFmpeg, Docker, Linux, Bash.
• Extended feature sets of the core backend system with additional transcoding options, video/audio codecs, filters, input and output formats.
• Implemented a business intelligence portal for the product management with filterable tables, reports and interactive charts.
• Fixed UI/UX and backend bugs by using debugging and profiling.
• Improved test coverage with unit and integration tests using PHPUnit.

Jul 2009 – Jun 2011 · 1 yr 11 mos · Saint Petersburg, Russia · On-site

• International travel agency, specializing in tailored experiences to exclusive destinations.
• Tech stack: Windows, pfSense, BatPost, NFS, PHP, CodeIgniter, MySQL.
• Enabled online customer acquisition and retention value streams by developing a website and internal CRM.
• Ensured effective backoffice operation by building a robust enterprise infrastructure: workstations, network, firewalls, mail exchange, files, printers, faxes.