Oleg K
Senior Software Engineering Developer Consultant at Toptal
California, United States
Summary
👤
Senior🎓
Top SchoolOleg K is a Senior Software Engineering Developer Consultant with 10+ years of experience delivering scalable PHP and Python solutions for enterprises and startups from California. He specializes in migrating legacy PHP systems to modern Python/Django stacks, performance optimization, and architecting maintainable codebases while routinely leading cross-functional teams and code reviews. As a vetted TopTal consultant since 2016, he has a track record of solving complex integration and database problems for global clients and contributed backend fixes to the well-known mongodb/laravel-mongodb project, improving DSN handling and failover. His background spans e-commerce, learning platforms, big-data connectors, and SaaS multi-tenant architecture, and he pairs technical depth with an MBA-informed approach to product and delivery decisions. Notably, he has repeatedly modernized chaotic legacy codebases into testable, deployable systems and built lightweight developer environments to accelerate onboarding.
9 years of coding experience
16 years of employment as a software developer
Master of Computer Science, Fibre Channel Industry, Master of Computer Science, Fibre Channel Industry at Odessa National Academy of TelecommunicationsBachelor of Computer Hardware, Computer Hardware Engineering, Bachelor of Computer Hardware, Computer Hardware Engineering at Odessa Technical CollegeMaster of Business Administration, Business management, Master of Business Administration, Business management at IBR-Institute (Steinbeis-Hochschule-Berlin)
English, Russian, Ukrainian
Stackoverflow
357reputation
14kreached
5answers
1question
Github Skills (18)
database-connection10
eloquent10
laravel-mix10
databases10
server-configuration10
laravel10
mongodb-database10
php10
orm10
mongodb10
database10
html6
laravel-validation6
pcre6
regex6
Programming languages (10)
Github contributions (5)
mongodb/laravel-mongodb
Apr 2018 - Apr 2018
A MongoDB based Eloquent model and Query builder for Laravel (Moloquent)
Role in this project:
Backend Developer
Backend DeveloperContributions:5 commits, 1 PR, 2 comments in 1 day
Contributions summary:Oleg primarily focused on improving the database connection logic within the Laravel-MongoDB project. They implemented features related to DSN configuration, allowing database selection from DSN strings. Additionally, they addressed several bugs related to database configuration, ensuring proper values were used, and implementing failover mechanisms. Their contributions centered around core database connectivity and configuration within the MongoDB context.
querymongophpbuildermoloquent
ProcessMaker/pmio-sdk-javascript
Jun 2017 - Feb 2018
Contributions:10 commits, 7 pushes, 1 branch in 8 months
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