• Increased API performance by 5x, significantly enhancing response times and pages load.

• Accelerated end-to-end tests by over 3x, improving development efficiency

• Regularly analyzed and improved service performance and resource utilization

• Provided mentorship and training to team members on design methodologies and coding best practices across projects

Ruby on Rails, React, TypeScript, Postgresql, Snowflake, Kafka, New Relic, Splunk, Honeybadger, Kubernetes

• Led a team of 10+ developers, coordinated work with other teams and vendors

• Collaborated with stakeholders to gather business requirements and translated them into technical specifications

• Designed, and built applications (microservices)

Python, Flask, Kubernetes, Postgresql, Splunk, Kafka, Apache Airflow, GraphQL

Project: Centralized repository of biological data

• Maintained microservice infrastructure application

• Developed new features

• Improved integration with external services

• Significantly improved quality of tests

Ruby, Ruby on Rails, Sinatra, MongoDB, React, Mysql, Jira, Bitbucket, Jenkins, Ansible Tower, AWS ECR, AWS SQS, Docker, Kibana

Project: The community platform for NGS assay evaluation and regulatory science exploration.

• I implemented and maintained several major features

• I covered the code by tests

• Dockerized development and test environments

• Rewrote the deployment process from scratch

• Developed CWL and WDL formats support

• Produced clean, efficient code based on specifications

• Collaborated cross-functionally with data scientists, project managers, and other engineers to achieve elegant solutions

Ruby, Golang, Mysql, Docker, AWS OpsWorks, Docker, Rails, Git, JIRA

Project: OneRetarget. Social media. Retargeting/targeting ads.

• Implemented targeting by locations based on latitude, longitude and radius area

• Implemented available targeting by facebook groups.

• Maintained Integration with external marketing APIs (vk, facebook, mail.ru)

• Wrote well-designed, testable code

Ruby, Ruby on Rails, Git, JIRA, New Relic, Redis, Cucumber, Rspec, DelayedJob, Grape, Postgresql