Богдан

Bohdan Braha
DEVOPS ENGINEER, KYIV UKRAINE

100+ 99.9% 3+
SERVERS UPTIME YEARS

01 PROFILE SUMMARY

DevOps Engineer with practical experience in Kubernetes, cloud platforms (AWS, Hetzner, GCP, Azure,
DigitalOcean), and bare-metal infrastructure (Proxmox VE). Skilled in CI/CD (GitLab CI, GitHub Actions, Bitbucket
Pipelines, Jenkins), GitOps (ArgoCD, FluxCD), IaC (Terraform, Ansible, CloudFormation), and system automation
(Bash, Python, PowerShell). Proficient with monitoring (Grafana Stack, Zabbix), message queues (Kafka,
RabbitMQ), and databases (PostgreSQL, MySQL, Redis, Elasticsearch). Focused on high availability, security, and
scalable infrastructure.

02 TECHNOLOGIES & SKILLS

C O N TA I N E R I Z AT I O N & O R C H E S T R AT I O N M O N I TO R I N G & O B S E R VA B I L I T Y

Docker containerd Docker Swarm Grafana Stack Zabbix

Kubernetes MESSAGE QUEUES & STREAMING

C L O U D P L AT F O R M S Apache Kafka RabbitMQ

AWS Hetzner GCP Azure DigitalOcean D ATA B A S E S

CI/CD & GITOPS PostgreSQL MySQL Redis Elasticsearch

GitLab CI GitHub Actions Bitbucket Pipelines WEB SERVERS & LOAD BAL ANCING

Jenkins FluxCD ArgoCD Nginx Apache HAProxy Keepalived

I N F R A S T R U C T U R E A U TO M AT I O N Traefik Envoy AWS ALB

Terraform Ansible CloudFormation V I R T U A L I Z AT I O N

S C R I P T I N G & A U TO M AT I O N Proxmox VE VMware

Bash Python PowerShell O P E R AT I N G S Y S T E M S

Debian Ubuntu Talos Windows Server

MacOS

03 WORK EXPERIENCE

Digital Aurora Sep 2025 - Present

DevOps Engineer

Working as a DevOps Engineer in a cloud-native environment, managing microservices architecture on AWS. Responsible
for containerized applications deployment, CI/CD pipelines, and maintaining scalable infrastructure using modern
DevOps practices.

Cloud Infrastructure & Containers

— Managed and optimized AWS cloud infrastructure for microservices-based applications
— Described and managed entire infrastructure as code using Terraform, ensuring version control, reproducibility, and
infrastructure consistency
— Deployed and maintained containerized services using Docker and container orchestration platforms
— Configured and managed AWS managed services including Serverless databases and ElastiCache

CI/CD & Automation
— Configured and maintained CI/CD pipelines using Bitbucket Pipelines for automated build, test, and deployment
processes
— Implemented infrastructure automation and deployment workflows for microservices architecture

Data & Messaging Infrastructure
— Operated and maintained Apache Kafka clusters for event-driven microservices communication
— Managed Redis clusters for caching and session storage, improving application performance
— Configured and maintained Elasticsearch for search functionality and log aggregation
— Managed AWS Serverless databases and ElastiCache for scalable data storage and caching solutions

Microservices Architecture
— Designed and implemented microservices architecture patterns for scalable and maintainable systems
— Ensured high availability and fault tolerance across distributed microservices

Ukrainian Financial Housing Company Mar 2025 - Feb 2026

DevOps Engineer

Working as a DevOps Engineer in the critical infrastructure of a financial organization. Responsible for high availability,
security, automation, and support of CI/CD processes in a hybrid environment with over 100 servers (Linux and Windows
Server).

Infrastructure & Orchestration
— Administered and optimized over 100 servers (on-premises and cloud), including Windows Server and Linux systems
(Debian, Ubuntu, Talos)
— Maintained and scaled containerized applications in Kubernetes clusters using Helm, with delivery managed via
ArgoCD following the GitOps approach
— Managed infrastructure as code with Terraform, adhering to IaC best practices

CI/CD & Automation
— Configured and maintained CI/CD pipelines using GitLab CI and GitHub Actions

Monitoring & Observability

— Monitored systems and services using Zabbix, Grafana, and Prometheus
— Implemented centralized logging with Loki and the ELK stack

Data & Messaging
— Operated and maintained Apache Kafka clusters for high-throughput streaming between distributed systems
— Managed relational databases (PostgreSQL, MySQL) — configuration, backups, replication, and performance tuning

Networking & Load Balancing

— Configured traffic routing and load balancing using NGINX, Apache, HAProxy, and Keepalived

Reliability & Security
— Ensured 99.9%+ availability through high availability setups: clustering, replication, and backups
— Implemented and audited infrastructure security measures: network segmentation, RBAC in Kubernetes, and secrets
management
— Participated in disaster recovery planning, system upgrades, and maintaining technical documentation

Blabus Ukraine Feb 2023 - Oct 2024

DevOps Engineer

Participated in the development and maintenance of a commercial CRM system for client management and business
process automation in the passenger transportation industry. Worked with infrastructure deployed on bare-metal
servers, with partial use of AWS and virtualization through Proxmox VE.

Containerization & Virtualization
— Deployed and maintained containerized services using Docker
— Used Proxmox VE for managing virtual machines, cluster setup, and storage configuration

CI/CD & Automation
— Configured and maintained CI/CD pipelines with GitLab CI, automating the build, test, and deployment processes
— Developed Bash and Python scripts to automate routine tasks, improve deployment reliability, and simplify
maintenance

Infrastructure Management
— Administered server resources: user access control, load monitoring, backup routines, and general system
maintenance

Monitoring & Databases

— Implemented monitoring and alerting with Grafana, connected to Prometheus or other data sources
— Managed relational databases (PostgreSQL, MySQL) — setup, configuration, optimization, and backup

Support & Collaboration

— Provided technical support to the development team and participated in identifying and resolving issues in the
runtime environment

04 E D U C AT I O N

2017 2020
Kremenchuk Mykhailo Ostrogradsky National Kremenchuk Mykhailo Ostrogradsky National
University University
Higher education, Computer Engineering and Electronics Higher education, Law

05 LANGUAGES

English A2 Ukrainian C2 Russian C1