Worked on NIH Manuscript Submission System – a system that supports the deposit of manuscripts into PubMed Central: nihms.nih.gov.Technological stack: Python, Django, Celery, RabbitMQ, Solr, MS SQL Server, JavaScript, React, TeamCity, Git, Linux.• Led sprint planning sessions to prioritize and assign tasks. Handled release management and deployments to staging and production environments.• Reviewed project architecture and established long-term development strategies to ensure the system remains scalable and free of technical debt.• Analyzed security reports and fixed vulnerabilities that could result in unwanted access and exposure of sensitive PII information.• Facilitated cross-team communications, provided code reviews, support, mentoring and advice to teammates and colleagues.

• Implemented a number of business-critical features in NIHMS Backend and related microservices while maintaining high code quality standards and test coverage.• Played an active role in troubleshooting and resolving various technical issues discovered by software monitoring tools as well as reported by users.• Developed an intricate report system that enabled stakeholders to evaluate work of the company’s vendors, which resulted in less mistakes and lower processing times.

Zulip is a fully open source group chat that combines the immediacy of real-time chat with an email threading model: zulip.com.Technological stack: Python, Django, Tornado, PostgreSQL, Vagrant, Git, Linux.• Made a number of contributions to the core Zulip server, web interface and API.• Developed a webhook integration with Front, a shared inbox that allows teams to manage all their communication channels in one place.• Worked as a mentor with the Zulip organization during the Google Code-in contest for pre-university students (Nov 2017 – Jan 2018).

kvartirka.com is one of Russia’s largest short-term rental services. It was launched in 2007, pioneering the national market, and currently features housing options in 30+ countries.Technological stack: Python, Django, Celery, PostgreSQL, Redis, JavaScript, Backbone.js, HTML/CSS, Vagrant, Git, Linux.• Implemented a robust in-house email marketing tool that allowed the business team to send tens of thousands highly customized emails at a time.• Engineered a solution for gradually deleting photos of banned and disabled ads that reduced disk space usage by a third within 2 years.• Redesigned handling prices in multiple currencies, which decreased the number of price records in the database by a factor of 4 and reduced support costs.

Built a class scheduling system for ESL instructors.

Simple Media is a digital agency that focuses on SaaS web development: simplemedia.ru.Technological stack: Python, Django, Celery, MySQL, Git, Linux, Nginx, uWSGI.• Developed backend for 15+ websites for local businesses. Implemented reusable modules for some of the most requested features.• Integrated a website with a CRM system to facilitate fast processing of orders and send status notifications to customers.• Configured a dedicated server for a project, performed load testing to make sure the system can handle the amount of users in line with business requirements.