Michael Morgen

Berlin, Germany | LinkedIn | Github | Phone: 01234-567-89-01 | Email: mmorgen@posteo.de

Work Experience

Mirantis (Mirantis Germany GmbH)	Berlin, Germany
Senior Software Engineer	01 Mar 2022 - Present
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
SberTech	Moscow, Russia
Staff Software Engineer	14 Jan 2022 - 28 Feb 2022
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
Ozon	Moscow, Russia
Staff Core Platform Engineer	May 2020 - Dec 2021
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
Software Developer	Feb 2019 - May 2020
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
Zuzex	Rostov-on-Don, Russia
Software Developer	Sep 2018 - Feb 2019
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

Education

Southern Federal University	Rostov-on-Don, Russia
Bachelor of Science in Computer Science (GPA: 4.8/5.0)	Sep 2010 - Jul 2014
Faculty of mathematics, mechanics and computer science Thesis "Automatization of managing LXC containers in GNU/Linux" Completed coursework in data structures, algorithms, and automata theory

Personal

• Languages: English (full professional proficiency/B2), German (partial professional proficiency/B1), Russian (native/C2)