Digital assets custody- Designed and implemented the core product delivery pipeline, transforming the release process from scheduled to continuous, reducing delivery time by 80%, and allowing for faster and more efficient product launches- Designed and implemented a fundamental Infrastructure as a Code pipeline, bringing automation and consistency to infrastructure management, resulting in time and cost savings, streamlined infrastructure provisioning, and increased operational agility- Established and oversaw a robust framework for integrated AWS/Kubernetes access management, enhancing security- Developed and maintained an in-house GitHub Actions library, empowering development teams to automate workflows, improving productivity and code quality- Implemented an automated Linkerd deployment and certificate rotation solution, enhancing security through timely certificate updates- Elevated the team's level of craftsmanship through PR reviews and quality-focused initiativesTechnologies: AWS, Kubernetes, Python, TypeScript, Terraform, Helm, ArgoCD, GitHub Actions

Various enterprise customers- Created a secure and scalable automated browser testing solution (Docker, Kubernetes, VMWare, Selenium, Jenkins)- Designed and implemented a bulk continuous delivery solution, eliminating the need for manual maintenance of workflows for ~100 microservices (Python, Groovy, Jenkins, Docker, AWS EC2, AWS CloudFormation, Ansible)- Developed a lightweight F5 BIG-IP LTM emulator, increasing scalability and reducing testing costs (Docker, OpenResty, Lua)- Automated workflow management engine deployment (Python, Flask, Airflow, PostgreSQL, Docker, Kubernetes, Helm)- Automated the management of delivery pipelines for seamless cloud migration (Groovy, Jenkins, Azure Resource Manager)- Implemented an environment validation solution to ensure the reliability of infrastructure configurations (Ruby, Chef, Sinatra, Serverspec)- Automated various data engineering tasks (Python, Scala, Google Cloud Storage, Google Cloud Function, Google BigQuery, Google Dataproc, Apache Zeppelin)

Municipal transportation management system- Designed and implemented continuous delivery processes for multiple projects- Migrated from Subversion to Git and from Redmine to JIRA- Automated application build and deployment- Developed and maintained delivery pipelines- Maintained development tool stackTechnologies: Ubuntu Linux, Android, Bash, Groovy, Java, Python, JBoss, Oracle Database, PostgreSQL, Gradle, Maven, Git, Subversion, TeamCity, Nexus, Atlassian stack (JIRA, Confluence, Stash, Bamboo), SonarQube, TestLink

Kassir.ru ticketing system- Planned and executed migration from the legacy system- Automated application build and deployment- Maintained Kassir.ru production system- Maintained development tool stackTechnologies: Cisco, HP ProCurve, Ubiquiti, Ubuntu Linux, Windows Server, AWS, Linux KVM, Xen, PostgreSQL, PHP, OpenLDAP, Active Directory, Bash, Java, Maven, Subversion, Jenkins, Teamcity, Nexus, Atlassian stack, New Relic

GFT trading platform- Automated system deployment- Deployed and maintained the production platform- Installed and maintained hardware in data centers worldwideTechnologies: NetApp, Brocade, Cisco, VMWare ESX, RHEL/Ubuntu Linux, Solaris, Windows Server, Oracle Database, MySQL, PostgreSQL, JBoss, Bash, Perl