Alex – React, AWS, Node.js

Financial solutions that include loan offers, payments, payouts, risk management, and banking.

• Expanding loan offer visibility.
• Onboarding new regions.
• Integrating Sentry monitoring.
• Collecting and displaying Amplitude analytics data.

Datacenter management platform for supporting rack lifecycle management and device repairs.

• Replaced Excel spreadsheet-based activity planning with proper tooling and UIs for scheduling physical activities on server racks in data centers, which gave accountability, transparency for stakeholders, and the ability to forecast future workloads.
• Enabled business metrics collection for physical activities on sites, which allowed highlighting time losses that appeared during server racks' bootstrap and tear-down processes.
• Worked on battery management: tracking stocks, supply, forecasting needed batteries and their types.

A Self-Service Portal for managing time-related features, such as work schedules, PTO, absence reporting, payroll-related features, notifications, personal info, etc.

• Implemented from scratch a tool for self-service resignations, which enables people to smoothly leave and rejoin the company in the future, reducing HR workload.
• Extracted 2 legacy dashboards into a single separate package with its own release cycle.
• Developed a high-speed UI tool in a fast-paced environment for reporting vaccination and test attestation status, enabling employees to work on-site without masks.

Platform for sharing analytic workflows and running results with extensive access right configuration.

• Сonvinced lead engineers to move from microservices to a monolithic app that better matches customer expectations.
• Introduced code style standards using tslint, prettier, and madge and integrated them into the build pipeline (Gitlab CI), which reduced the defect count by 4 times.
• Designed and implemented an approach to storing large files.
• Reduce build time by 30% by parallelizing tests (jest).
• Increased test coverage to 85% and integrated reports in CI.
• Introduced API documentation standards and “API first” approach (OpenAPI 3.0), reducing the number of questions about how the system worked and increasing integration speed with other teams by 4 times.
• Introduced semantic versioning in the development of self-written libraries.
• Facilitated the growth of 2 engineers from middle to senior level and 1 from junior to middle.

Marketplace for addons like hosting, advanced DNS management, site builders, mail servers, that can be installed and used with domain names.

• Designed and implemented an approach of integrating UI widgets written with different UI frameworks into the shopping cart page, which gives the ability for independent release cycles of product widgets.
• Migrated from self-supported auth service to company-standardized one.
• Wrote a migration guide that reduced migration time for other teams.
• Migrated site-builder app worked with a new tech stack (Ruby on Rails) for 2 weeks from the legacy API to the new API version, and added functionality for selling domain names from the app.
• Contributed to the application marketplace and its admin panels development, architecture, and collection metrics, building a microservice chassis for future simplification of up-and-running new services.

The real-time construction modeling system allowed users—from contractors to business owners—to design and customize buildings with real-time 3D rendering, options for dimensions, doors, windows, and roof styles, instant structural feedback and load analysis, and integration with pricing and logistics systems for fast, accurate quotes.

• Created an in-browser 3D metal construction modeling tool that allowed you to price your building in real-time.