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Програміст PHP
- Age:
- 40 years
- City of residence:
- Kyiv
- Ready to work:
- Remote
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Yevhenii Omelianovskyi
Senior Backend Engineer (PHP/Laravel) | Tech Lead | High-Load Systems
[open contact info ](look above in the "contact info" section)
@Omelianovskyi
Professional Experience
GG Network LLC 05/2024 – 02/2026
Senior PHP Developer Hallandale Beach,
High-Load Affiliate Platform (CPA /mVAS /DCB) FL, USA (remote)
•Developed and evolved a high-load affiliate platform for mobile traffic
monetization (Direct Carrier Billing)
•Designed scalable backend modules processing large volumes of real-
time traffic and financial events
•Applied CQRS architecture and built analytical pipelines using
ClickHouse
•Optimized critical database queries and performance-sensitive
business workflows
•Implemented asynchronous processing and event-driven background
jobs
•Contributed to backend architecture improvements focused on
scalability and reliability
•Worked within Kubernetes-based infrastructure supporting high
availability production systems
• Supported high-availability production environment handling millions
of daily events
Evergreen 08/2021 – 04/2024
Senior PHP Developer Kyiv, Ukraine
Outsource & Product Development (remote)
Worked simultaneously on 6+ projects of varying complexity across
•
different technology stacks
Designed system architecture and handled technical communication
•
with clients and stakeholders
Developed API-driven services and delivered products from scratch to
•
production
Designed application architectures and database schemas
•
Performed task estimation, decomposition, and development
•
planning
Conducted code reviews and established unified development
•
standards
Optimized application performance and complex SQL queries
•
Integrated third-party services and payment providers
•
Implemented asynchronous processing using queues and background
•
workers
Participated in architectural decisions related to scalability and
•
system reliability
Knomary 01/2019 – 08/2021
Lead PHP Developer Belarus (remote)
Enterprise LMS Platform (Tech Lead)
•
Led backend development of an enterprise LMS platform for large
•
corporate clients
Managed Scrum delivery lifecycle from requirement analysis to
•
production release
Performed task decomposition, estimations, and technical planning
•
Conducted code reviews and introduced development standards
•
across the team
Implemented integrations with external services: Zoom, Slack,
•
Telegram, 1C, etc.
Optimized complex database queries and led gradual legacy code
•
refactoring
Improved system performance and stability under increasing load
•
Meltid Solutions 12/2017 – 12/2019
PHP Developer Melitopol, Ukraine
FinTech / Accounting Platform
Developed an accounting platform with international payment
•
integrations (SEPA, SWIFT)
Designed and implemented API integrations with banking and
•
payment providers
Designed database structures and handled transactional data
•
processing
Participated in backend architecture design and financial workflow
•
modeling
Implemented asynchronous processing for payments, transaction
•
status updates, and external synchronizations
Profile
Senior PHP Backend Engineer / Tech Lead
Senior Backend Engineer with 8+ years of commercial experience building high-load web
platforms, SaaS products, and API-driven systems. Strong focus on backend architecture,
performance optimization, distributed systems, and third-party integrations.
Experienced in delivering products from scratch to production and leading engineering efforts in
distributed teams.
Experienced in owning backend architecture decisions and delivering systems end-to-end.
Key Responsibilities & Achievements
Designed scalable backend architectures and database structures
•
Built API-centric and event-driven services
•
Optimized complex SQL queries and high-load workflows
•
Implemented asynchronous processing using queues and messaging systems
•
Technical leadership: task decomposition, estimations, code reviews, mentoring
•
Integrated multiple external services (payments, Google, Shopify, Zoom, Slack, Telegram, Jira)
•
Improved system performance, scalability, and reliability
•
Worked on security and production stability improvements
•
Tech Stack
Backend: PHP (Laravel, Yii2), Node.js, Python (FastAPI)
•
Databases: MySQL, PostgreSQL, ClickHouse, MongoDB, Redis
•
Infrastructure: Docker, Kubernetes, AWS
•
Architecture: CQRS, Queues, Event-driven systems
•
Frontend: React, Vue
•
Senior Backend Engineer (PHP/Laravel) | Tech Lead | High-Load Systems
[
@Omelianovskyi
Professional Experience
GG Network LLC 05/2024 – 02/2026
Senior PHP Developer Hallandale Beach,
High-Load Affiliate Platform (CPA /mVAS /DCB) FL, USA (remote)
•Developed and evolved a high-load affiliate platform for mobile traffic
monetization (Direct Carrier Billing)
•Designed scalable backend modules processing large volumes of real-
time traffic and financial events
•Applied CQRS architecture and built analytical pipelines using
ClickHouse
•Optimized critical database queries and performance-sensitive
business workflows
•Implemented asynchronous processing and event-driven background
jobs
•Contributed to backend architecture improvements focused on
scalability and reliability
•Worked within Kubernetes-based infrastructure supporting high
availability production systems
• Supported high-availability production environment handling millions
of daily events
Evergreen 08/2021 – 04/2024
Senior PHP Developer Kyiv, Ukraine
Outsource & Product Development (remote)
Worked simultaneously on 6+ projects of varying complexity across
•
different technology stacks
Designed system architecture and handled technical communication
•
with clients and stakeholders
Developed API-driven services and delivered products from scratch to
•
production
Designed application architectures and database schemas
•
Performed task estimation, decomposition, and development
•
planning
Conducted code reviews and established unified development
•
standards
Optimized application performance and complex SQL queries
•
Integrated third-party services and payment providers
•
Implemented asynchronous processing using queues and background
•
workers
Participated in architectural decisions related to scalability and
•
system reliability
Knomary 01/2019 – 08/2021
Lead PHP Developer Belarus (remote)
Enterprise LMS Platform (Tech Lead)
•
Led backend development of an enterprise LMS platform for large
•
corporate clients
Managed Scrum delivery lifecycle from requirement analysis to
•
production release
Performed task decomposition, estimations, and technical planning
•
Conducted code reviews and introduced development standards
•
across the team
Implemented integrations with external services: Zoom, Slack,
•
Telegram, 1C, etc.
Optimized complex database queries and led gradual legacy code
•
refactoring
Improved system performance and stability under increasing load
•
Meltid Solutions 12/2017 – 12/2019
PHP Developer Melitopol, Ukraine
FinTech / Accounting Platform
Developed an accounting platform with international payment
•
integrations (SEPA, SWIFT)
Designed and implemented API integrations with banking and
•
payment providers
Designed database structures and handled transactional data
•
processing
Participated in backend architecture design and financial workflow
•
modeling
Implemented asynchronous processing for payments, transaction
•
status updates, and external synchronizations
Profile
Senior PHP Backend Engineer / Tech Lead
Senior Backend Engineer with 8+ years of commercial experience building high-load web
platforms, SaaS products, and API-driven systems. Strong focus on backend architecture,
performance optimization, distributed systems, and third-party integrations.
Experienced in delivering products from scratch to production and leading engineering efforts in
distributed teams.
Experienced in owning backend architecture decisions and delivering systems end-to-end.
Key Responsibilities & Achievements
Designed scalable backend architectures and database structures
•
Built API-centric and event-driven services
•
Optimized complex SQL queries and high-load workflows
•
Implemented asynchronous processing using queues and messaging systems
•
Technical leadership: task decomposition, estimations, code reviews, mentoring
•
Integrated multiple external services (payments, Google, Shopify, Zoom, Slack, Telegram, Jira)
•
Improved system performance, scalability, and reliability
•
Worked on security and production stability improvements
•
Tech Stack
Backend: PHP (Laravel, Yii2), Node.js, Python (FastAPI)
•
Databases: MySQL, PostgreSQL, ClickHouse, MongoDB, Redis
•
Infrastructure: Docker, Kubernetes, AWS
•
Architecture: CQRS, Queues, Event-driven systems
•
Frontend: React, Vue
•
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The candidate's resume is posted at https://www.work.ua/resumes/10204279/