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Mirantis (Mirantis Germany GmbH)
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Berlin, Germany
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Senior Software Engineer
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01 Mar 2022 - Present
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- Engineering an Open Source Software project for managing Kubernetes clusters in multi-cloud environment
- Designed architecture components for Mirantis Container Cloud (Bare Metal, OpenStack, vSphere providers)
- Developed a new approach for bootstrapping clusters by new clients via UI, pruning all-in-one black box error intolerant approach, which increased simplicity by more than 3 times
- Designed and implemented a new feature allowing customers to manage Day 2 operations on an arbitrary number of nodes with no manual interactions
- Collaborated closely with designers and frontend engineers to provide a seamless user experience
- Implemented comprehensive testing (from unit to end-to-end) to validate the functionality of dozens of controllers during product acceptance and release cycles
- Refactored existing code and instrumentation and removing comprehends during the development process
Primarily work with Go, Kubernetes, different cloud providers, and some extra tools and technologies like Python, JS, and Jenkins
Skills: Go • Kubernetes • Cloud Development • Cloud Applications
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SberTech
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Moscow, Russia
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Staff Software Engineer
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14 Jan 2022 - 28 Feb 2022
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- Conducted research and development for Golang-based services: multi-tenant S3-compatible object storage and multi-tenant Kubernetes
- Worked on diverse software development tasks
Skills: S3 Protocol • Go • Kubernetes
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Ozon
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Moscow, Russia
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Staff Core Platform Engineer
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May 2020 - Dec 2021
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- Reduced time-to-market for features, streamlined development processes, and enhanced the overall experience for software engineers
- Implemented projects in Go, Python, and C#, both independently and collaboratively
- Worked on and with various projects, including:
- Developed and adopted an internal corporate service discovery and control plane
- Developed a PoC and an early version of a managed Ceph front-end service independently
- Implemented L7 load balancing with various algorithms on the client side
- Independently implemented and adopted xDS (Envoy API) within an internal corporate control plane
- Automated Protobuf workflows and simplified end-user interactions independently
- Implemented and supported platform libraries (caches, Redis, Postgres, middleware, metrics, etc.) and SDKs
- Debugged gRPC-related code and successfully applied optimizations in production code
- Worked with tracing tools like OpenTracing, Jaeger, and OpenTelemetry to some extent
- Utilized additional tools and technologies, including helm charts, and GitLab for CI/CD, and performed Kubernetes tuning
- Led a team of three members (senior, middle, and trainee) for several months
Skills: Platform Development • Site Reliability Engineering • Ceph • Protocol Buffers • Kubernetes • gRPC
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Software Developer
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Feb 2019 - May 2020
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- Implemented and tested various business ideas in PoC, leading to successful product development with optimizations, code refactoring, improved user experience, and modern pattern implementation
- Implemented over 20 business services, leveraging tools such as PostgreSQL, Kafka, Redis, Memcached, ETCD
- Delivered significant projects with the team, resulting in successful releases and profitable business outcomes, including:
- AB tests: The service involved hundreds of company business managers, who conducted thousands of experiments, made decisions depending on instrumented metrics, and potentially saved and earned tens of millions
- Recommendations system: Developed a crucial component for e-commerce businesses based on raw ML data
- Referral program: Created and managed two versions of the service, which attracted hundreds of thousands of users, generating millions in profits
- Several other company-specific business services
Skills: Algorithms • Go • PostgreSQL • Redis • Apache Kafka
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Zuzex
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Rostov-on-Don, Russia
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Software Developer
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Sep 2018 - Feb 2019
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- Functioned as a full-stack developer, handling frontend and backend tasks
- Implemented primarily business services in Golang, leveraging tools such as PostgreSQL, RabbitMQ, Redis, Docker Swarm
Skills: Full-Stack Development • Go • RabbitMQ
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