Jan 2022 – Apr 2023 · 1 yr 3 mos · Moscow City, Russia · On-site

• Designed, built, and tested a critical banking system from scratch for tracking payments and transfer registers with handling high-volume throughput (10k TPS) and automation processing of turnover calculations.
• Designed, and built microservice (from UI to backend) for documentary verification of movable pledged property like transport history, vehicle accidents, arrests, and thefts. Led, mentored, and coached a team of 2 engineers, helping them get promoted. This service was adopted by 2 teams across multiple departments.
• Designed, and built microservice (from UI to backend) for documentary verification of pledged real estate. Reconciliation of data on pledged objects with Unified State Register of Real Estate (EGRN) data received from Federal Service of State Registration, Cadastre, and Cartography government service. Reduced the time of requesting statements about real estate objects from 40 min to a few minutes for registered agreements for participation in shared construction. Led a team of 3 engineers.

Dec 2018 – Jan 2022 · 3 yrs 1 mo · Moscow City, Russia · On-site

• Led 5 teams from 2-5 developers in migrating from outdated UI technologies to in-house tech stack from picking up and setting up the development environment to shipping the MVPs of the products, and several follow-up versions.
• Developed and shipped a functional subsystem for automating the process of checking a candidate who is in line for a vacant position (~3500+) in a bank with the implementation of a mechanism of initial verification and prioritization of candidates by checking a set of verification measures for candidates by employees of the internal security department.
• Designed, and built a system for storing and displaying information about legal entities and the relationships between them with loading and saving data from a system for checking counterparties of a third-party organization and from the various bank databases and implementation of a subsystem for searching and displaying information about legal entities, transaction analysis, identification of dubious transactions of legal entities. Implemented integration with a service that used a big (about 2GB) classification ML model, and improved the speed of classification with a DS team from 30 min to 5-7 min for classifying all bank clients' transactions of the last four years. Implemented mechanism of visualization connections of legal entities for the web application.
• Worked on parsing web application where wrote 15+ different parsers for searching distressed assets, debtors with property abroad, and new parsers for analyzing websites with their maintenance. Also implemented a migration mechanism and migrated all data to a unified format with message encryption. Developed monitoring of task execution mechanism that allowed to restart of failed tasks automatically and send 100% responses to requesting clients.

May 2018 – Sep 2018 · 4 mos · Moscow, Russian Federation · On-site

• Debugged the work of critical processes of the blockchain exchange in a multithreaded environment, such as placing orders, matching orders, and moving orders ensuring 100% that they work correctly.
• Brought the non-working web client of the blockchain exchange for working with user data (viewing information about actions, editing personal data) to a working state, which allowed technical support to start responding to user requests through one channel of requests.
• Simplified the mechanism of adding new cryptocurrencies and wrote the calculation of exchange rates for them, with the implementation of support CoinMarketCap API v2 version for these calculations.
• Implemented the withdrawal of funds from accounts to cryptocurrency wallets with colored coins.
• Successfully migrated 6 projects from SVN to GIT and implemented a new branching model that allowed team members to develop features more easily at each phase of the software development.

Jan 2016 – Nov 2017 · 1 yr 10 mos · Yekaterinburg, Sverdlovsk, Russia · On-site

• Brought to working condition an automated process of annual updating of customer data with a rapidly growing customer base, which reduced the load on the support service by 100%. The process has become fully automated.
• Implemented the process of requesting documents from the Bank based on 115-FL (Federal Law of the Russian Federation), which excluded clients from contacting the Bank's chat and reduced the load on the support service.
• Implemented the process of closing an account for suspicious clients, which relieved the burden on the support service for this business process by 45%.

Feb 2013 – Oct 2015 · 2 yrs 8 mos · Yekaterinburg, Sverdlovsk, Russia · On-site

• Maintained high load (3-12k MPS) projects of large customer Federal Customs Service of Russia by providing acceptance testing, performance monitoring, and helping in the supply of products.
• Developed web forms for creating and editing customs declarations of varying complexity.
• Supported new message exchange formats between customs authorities by adding and updating schemas and transformations.
• Wrote plenty of custom ad-hoc database queries requested by the client.
• Created a messaging tool (with validation and transformation features) for analysts that helped test web applications more effectively.