Available for opportunities

BACKEND DEVELOPER & DEVOPS ENGINEER

Building reliable digital systems.

I build scalable backend applications, APIs and deployment infrastructure using modern development and DevOps practices.

Contact me
PHPPythonLaravelFastAPIDockerCI/CDAI
serhii@developer:~
$ whoami
serhii_yadzhak
$ cat skills.json
{
  "backend": [
    "PHP",
    "Python",
    "Laravel",
    "FastAPI"
  ],
  "devops": [
    "Docker",
    "CI/CD",
    "Nginx"
  ]
}
$
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Backend engineer with a security mindset.

I'm an ambitious and detail-oriented Backend Developer & DevOps Engineer with commercial development experience and a foundation in Cybersecurity.

My work combines backend development, infrastructure, automation and deployment. I enjoy solving complex technical problems and improving the reliability and performance of applications.

01+Years commercial
experience
04+Backend
technologies
Things still
to learn

Engineering focused.

From writing backend logic to deploying and monitoring production systems.

01

Backend

Building APIs and scalable server-side applications.

PHPPythonLaravelDjangoFastAPIFlask
02

DevOps

Automating deployments and managing application infrastructure.

DockerDocker ComposeCI/CDGitHub ActionsBash
03

Infrastructure

Configuring and monitoring production web environments.

NginxApacheLinuxServer Monitoring
04

Databases

Designing schemas and optimizing database performance.

MySQLMariaDBSQLNoSQL
05

AI Development

Using modern AI tools to accelerate coding, debugging and problem solving.

ClaudeClaude CodeGeminiChatGPTAI-assisted CodingDebuggingRefactoring

Things I've built.

A selection of backend, infrastructure and web development work.

01Backend

Backend API

High-performance REST API architecture with authentication, validation and database integration.

PythonFastAPIREST API
02DevOps

DevOps Infrastructure

Containerized application environments and automated deployment workflows.

DockerCI/CDLinux
03Full Stack

Web Application

Modern backend application with database integration, business logic and optimized queries.

PHPLaravelSQL
More projects can be found on GitHub.View GitHub ↗

Where I've worked.

Combining software engineering with infrastructure and automation.

FEB 2024 — PRESENT
Bmax

PHP Developer & DevOps Engineer

Developed, maintained and optimized secure backend web applications using PHP and modern development frameworks.

Designed and configured automated CI/CD pipelines to streamline testing and deployment.

Containerized application environments using Docker and Docker Compose.

Managed Nginx and Apache web servers and optimized SQL database queries for high-load systems.

PHPDockerCI/CDNginxSQL
INTERNSHIP
Meduzzen

Backend Developer Intern

Worked on web applications using FastAPI, focusing on high-performance and scalable APIs.

Designed RESTful services, integrated databases, implemented validation and unit testing.

PythonFastAPIRESTTesting
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Let's build something great.

Have a project, opportunity or just want to talk about technology? Feel free to reach out.

sergiyyadzhak@gmail.com