Максим

Maksym Vershyhora
Age: 24 | Vinnytsia, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

Profile / Summary
DevOps Engineer with almost 4 years of hands-on experience in building,
automating and improving infrastructure of different sizes and complexity. I have
a strong background in AWS, containerization, monitoring and automation, with
a focus on reliability, scalability and making life easier for developers. Most of my
work has been around web projects, where I’ve gained a lot of practical
experience working with various technologies, solving interesting problems and
collaborating with great teams. I already have hands-on experience running
Kubernetes in production and am looking to further deepen my knowledge and
skills in cluster operations and container orchestration.

Skills
AWS Services:

- IAM, VPC, EC2, ECS, EKS, ECR, S3, EFS, CloudFront, Aurora & RDS, DocumentDB,
DynamoDB, OpenSearch, ElastiCache, CloudWatch, GuardDuty, Amazon MQ, SNS,
SQS, ELB/ALB, Lambda, DMS, Route53, Global Accelerator, KMS, Directory Service,
Athena, MediaPackage, CodePipeline, CodeBuild, CodeDeploy

CI/CD & Automation:

- GitLab CI/CD, GitHub Actions, Jenkins, AWS CodePipeline, BitBucket Pipelines,
Ansible, Terraform

Scripting & Programming:

- Bash, Python, Basic knowledge of C/C++, .NET, ASP.NET Core, PHP, JS, Java

Containerization & Orchestration:

- Docker, Docker Compose, Kubernetes, Helm, Vagrant

Monitoring & Logging:
- Grafana, Prometheus, ELK Stack, CloudWatch, Datadog, New Relic

Databases & Messaging:

- PostgreSQL, MySQL, MSSQL, MongoDB, RabbitMQ, Redis

OS & Web Servers:

- Debian-based Linux, Ubuntu, Amazon Linux, Windows Server, Active Directory,
Nginx and Apache administration.

Experience

DevOps Engineer
GlobalDev — 02.2022 – 11.2025

• Managed company’s Atlassian stack (Jira, Confluence, JPD) handling
integrations, custom workflows and data migration, GitLab CI/CD, GSuite,
• Designed and managed infrastructure for multiple projects across
environments.
• Implemented monitoring and alerting systems (Prometheus, Grafana,
CloudWatch).
• Worked closely with development teams to streamline release processes
and enhance system stability.

Key Projects:
Worked on a variety of production-grade systems across fintech, real estate,
education and marketplace domains. Below are some of the key projects I’ve
contributed to:

• Fintech Platform (Multi-Region, High Availability) – Fully compliant with
SOC 2 and PCI DSS standards. Designed and maintained a multi-regional,
highly available and scalable infrastructure with failover and disaster
recovery.
Stack: .NET Core, Next.js, PostgreSQL, MSSQL, RabbitMQ, ELK Stack,
Datadog, Nginx, Prometheus, Grafana, Debian, Amazon Linux, Docker,
AWS, Jenkins, GitLab CI/CD, Ansible, Terraform.

• Fintech Platform (Cloud & On-Prem) – Full SOC 2 and PCI DSS compliance.
Managed hybrid infrastructure and CI/CD pipelines for cloud and Windows
 environments.
Stack: .NET Core, React.js, PostgreSQL, AWS, Active Directory, Windows
Server, IIS, Jenkins, MS Build, MS Deploy, Terraform, OpenTelemetry
Collector, OpenSearch, Docker, Ansible, Terraform.

• Fintech Platform (Hybrid Infrastructure) – Combined on-prem and AWS
environments with geo-based access control, achieving security and
compliance standards (SOC 2, PCI DSS).
Stack: .NET Framework, .NET Core, Next.js, React.js, PostgreSQL, MSSQL,
Prometheus, Grafana, AWS, AD, Windows Server, IIS, Jenkins, Ansible, MS
Build, MS Deploy, Terraform, SFTP, Nginx.

• Real Estate Platform – Built a cost-efficient, scalable and automated
infrastructure for a real estate marketplace.
Stack: AWS, Django, Next.js, PostgreSQL, Docker, Nginx, GitLab CI/CD,
Prometheus, Grafana, Debian, Ansible, Terraform.

• Authorization Service (Serverless) – Cloud-native, multi-region solution
designed for scalability, high availability and disaster recovery.
Stack: AWS, .NET Core, React.js, PostgreSQL, Nginx, OpenSearch,
OpenTelemetry Collector, Docker, GitLab CI/CD, Ansible, Terraform.

• Education Platform (Cloud Migration) – Upgraded a legacy system to a
serverless AWS environment, improving scalability and reducing
operational overhead.
Stack: AWS, ECS Fargate, PHP, Node.js, PostgreSQL, Docker, GitLab CI/CD,
Debian, CentOS, Ansible, Terraform, Nginx, SFTP.

• Marketplace Platform – Developed and deployed a high-traffic marketplace
with automated monitoring, logging and scalable cloud infrastructure.
Stack: AWS, Django, Next.js, PostgreSQL, Docker, Prometheus, Grafana,
GitLab CI/CD, Ansible, Terraform.

• Fintech Platform – Cloud-native financial service with focus on
performance, security and observability.
Stack: Django, React, PostgreSQL, Docker, Debian, GitLab CI/CD,
Prometheus, Grafana, Ansible, Terraform.

• Fintech Platform (Serverless, Multi-Region) – Highly available and scalable
system with failover and disaster recovery capabilities.
 Stack: .NET Core, React.js, MongoDB, AWS, Docker, Nginx, GitLab CI/CD,
Jenkins, Terraform, Ansible, RabbitMQ.

• Marketplace Platform (Mobile) – Supported web and mobile applications
with CI/CD automation and observability solutions.
Stack: Django, PostgreSQL, Docker, AWS, Prometheus, Grafana, GitLab
CI/CD, Ansible, Terraform.

• Serverless Communication Platform – Web-based communication hub built
as a serverless application on AWS.
Stack: AWS, Django, Next.js, PostgreSQL, Docker, GitHub Actions.

In addition to these, I also contributed to several internal projects focused on
automation, infrastructure optimization and system integration across different
environments.

DevOps Engineer
Calaton Systems — 11.2025 – Present

• Focused on cost optimization and operational efficiency, reviewing cloud
architectures and identifying ways to reduce infrastructure costs without
compromising reliability or performance.

• Implemented and promoted GitOps practices to standardize deployments,
improve traceability, and minimize manual operations across
environments.

• Designed and maintained cloud-native and serverless infrastructures for
multiple projects, supporting development teams across different domains.
• Contributed to a SOC 2 audit, with a focus on security monitoring
configuration, observability, and vulnerability remediation.
• Played a key role in preparing system for SOC 2 compliance, including
building monitoring and alerting for multiple services from the ground up.
• Improved CI/CD pipelines and deployment workflows, resulting in more
consistent releases and fewer deployment-related issues.

Key Projects:
Worked on several production-grade systems across fintech and marketing
domains, collaborating with multiple teams:
 • Fintech Platform (Serverless, Multi-Team) – PCI DSS–ready platform
designed for high availability and scalability, supporting three independent
development teams. Built monitoring and alerting from scratch to ensure
full observability.
Stack: Java 21 (Maven), Python, PHP, Node.js, PostgreSQL, Redis, Nginx,
Docker, AWS (ECS Fargate, EKS), CodePipeline, Ansible, Terraform, GitHub
Actions, BitBucket Pipelines.

• SaaS Platform (Publishing Industry) – Supported and modernized a legacy
Kubernetes-based system, including CI/CD pipelines and cluster lifecycle
management. Performed an EKS upgrade from version 1.28 to 1.35,
ensuring compatibility and stability.
Stack: Java 11 (Maven), TypeScript, MySQL, AWS, EKS, CodePipeline,
OpenSearch, Docker, Terraform.

Education
Master’s Degree in Applied Mathematics — Vasyl Stus Donetsk National
University, 2018-2023

Languages
English – Upper-Intermediate (B2)