Alexander is currently unavailable

Alexander Minozhenko

Verified Expert in Engineering

Security Engineer and Developer

Sydney, Australia

Toptal member since June 2, 2022

Expertise

Java Node.js Python Penetration Testing Microservices Development AWS DevOps TypeScript JavaScript Jira Web Development

Bio

Alexander is a security engineer with over ten years of experience in the security industry. He also has software development and DevOps experience in different tech companies. Alexander enjoys building security mitigation and security features and developing automation tools for the DevOps pipeline.

Portfolio

Lendi

Cloud Security, Amazon Web Services (AWS), DevOps, TypeScript, Web Security

Atlassian

Java, Node.js, Python, Web Security, Java Security, Cloud Security...

Experience

Web Security - 10 years
Java - 7 years
Node.js - 7 years
Java Security - 6 years
Vulnerability Assessment - 6 years
Penetration Testing - 5 years
Python - 5 years
Cloud Security - 2 years

Preferred Environment

IntelliJ IDEA, Jira, Burp Suite

The most amazing...

...thing I've developed is mitigations for preventing the exploitation of zero-day vulnerabilities in web applications.

Work Experience

Senior Development Security Operations Engineer

2020 - 2021

Lendi

Performed security review of the infrastructure platform.
Advised developers on system design and security issues.
Developed vulnerability management process and improved security incident response process.

Technologies: Cloud Security, Amazon Web Services (AWS), DevOps, TypeScript, Web Security

Senior Security Engineer

2014 - 2020

Atlassian

Designed and developed a webpack plugin used for integrating React applications with Content Security Policy.
Created and implemented a high-load microservice used for storing personal user data for identity services.
Developed a logging Java library that automated security logging controls.
Designed and developed mitigations and security patches for Atlassian products.

Technologies: Java, Node.js, Python, Web Security, Java Security, Cloud Security, Penetration Testing, Vulnerability Management, Vulnerability Assessment, Vulnerability Identification, Zero-day Vulnerabilities, Development, Microservices

Experience

Content Security Policy for Webpack

The webpack plugin generates Content Security Policy for single-page applications during the build phase. As a result, it can prevent the exploitation of cross-site scripting vulnerabilities in a web application.

Certifications

AUGUST 2020 - AUGUST 2023

AWS Certified Security

Amazon Web Services

Skills

Libraries/APIs

Java Security, Node.js

Tools

Webpack, IntelliJ IDEA, Jira

Languages

Java, Python, TypeScript, JavaScript

Paradigms

Penetration Testing, Microservices, DevOps

Platforms

Amazon Web Services (AWS), Burp Suite

Other

Web Security, Cloud Security, Vulnerability Management, Vulnerability Assessment, Vulnerability Identification, Zero-day Vulnerabilities, Development

Collaboration That Works

How to Work with Toptal

Toptal matches you directly with global industry experts from our network in hours—not weeks or months.

Share your needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert.

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring