Vladyslava Shakalo

Hi! I'm

Vladyslava, a software engineer.

Turning complex business logic into fast, maintainable backend systems built to last.

See what I've built Get in touch

Technical stack

Backend

PHP 8+ Symfony 6+ Symfony Messenger DDD Event-Driven Architecture REST APIs

AWS

SQS SNS S3

DevOps

GitLab CI/CD Docker Kubernetes

Databases

MySQL PostgreSQL MongoDB Redis Elasticsearch

Code quality tools

PHP-CS-Fixer PHPStan

AI Tooling

GitHub Copilot Amazon Q Anthropic Claude

Testing

Unit testing Functional testing Integration testing PHPUnit

Not the full list — this is my fundamental stack, the part I use daily and know well.

Things I've built

High-load B2B architecture

Designed scalable, future-proof architecture for high-load B2B platforms — handling up to 7M API calls per day, 500 peak RPS, and 50k–150k monthly active users.

Architecture Scalability High-load

Carrier API integrations

Built REST and SOAP integrations with courier providers as part of a logistics network of 100+ carriers processing 30,000+ deliveries per month.

REST SOAP Integrations

Legacy refactor & test coverage

Refactored legacy code and introduced comprehensive test coverage (including edge cases), cutting bug-related downtime and speeding up delivery of new features.

Refactoring Testing Reliability

Symfony 2 → 4 migration

Led a full framework migration from Symfony 2 to Symfony 4, modernizing the codebase and ensuring long-term stability, security, and easier feature development.

Symfony Migration Stability

Recommendations

"I collaborated with Vladyslava on the same project, where she contributed significantly to the backend development. She has a solid technical foundation in PHP and approaches tasks with a thoughtful and detail-oriented mindset. Throughout our work together, she proved to be dependable and proactive — not just executing tasks, but also suggesting improvements and optimizing existing solutions. Her ability to stay focused and manage her work effectively had a positive impact on the overall workflow. Vladyslava is also easy to work with: open in communication, responsive, and professional in team interactions. I would definitely recommend her as a strong PHP developer who brings both technical skill and reliability to a team."

Andrii Shevchuk — Andrii Shevchuk
Team Lead / Senior Software Developer

"I had the pleasure of working with Vladyslava, and she consistently delivered high-quality, professional work. She confidently handles complex tasks, demonstrates strong problem-solving skills, and can independently design and structure tasks. She quickly adapts to new activities and actively contributes to discussions, making collaboration smooth and productive. I truly appreciated the opportunity to collaborate with her."

Ivan Dobshin — Ivan Dobshin
Senior Software Engineer Team Lead at BINTIME

"I worked closely with Vladyslava as she handled important responsibilities in our project workflow. She consistently delivered clean, stable solutions and demonstrated strong analytical thinking. Her self-organization and clear communication made collaboration easy. I would like to recommend Vladyslava to everyone looking for a PHP specialist."

Dmytro Kolenchuk — Dmytro Kolenchuk
Developer / Tech Lead / Solution Architect
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Companies I've worked with

BINTIME Eurosender Facilogi Dustin Collaborator Immoove Prospeneo and others

Contacts

Say hi — email is the fastest way to reach me.

LinkedIn Read my CV

vladyslava.shakalo@gmail.com

Kraków, Poland