Данило

Daniil Koversun PHP Backend Developer · Laravel · AWS · RabbitMQ

DANIIL
KOVERSUN
P H P B AC K E N D D E V E LO P E R
4+ years of commercial experience building production
backend systems: APIs, integrations, queues, and cloud
deployments. Focused on reliability, performance, and
clean architecture.

PHONE UA [open contact info](look above in the "contact info" section)
PHONE PL [open contact info](look above in the "contact info" section)
EMAIL [open contact info](look above in the "contact info" section)
TELEGRAM @dok_dok_dok
LOCATION Krakow, Poland
CITIZENSHIP Ukraine

PROFESSIONAL EXPERIENCE

PHP Backend Developer Jan 2024 — Dec 2025 · Remote C O R E S TA C K
Bulls Media
Built automation services and internal tooling for data processing PHP 7.4–8.5 Laravel AWS
and website management.
Improved stability and performance via caching, SQL optimization, Docker MySQL Kubernetes
and safe background processing.
PostgreSQL Redis Memcached
Supported releases and incidents; worked with Cloudflare/CDN
and Linux hosting environments.
RabbitMQ Linux Symfony JS
Stack: PHP 7.4–8.5, Laravel, MySQL, Redis, Docker, Linux, Cloudflare
GO Node.js React.js Vue.js

PHP Backend Developer Oct 2023 — Oct 2024 · Remote
SeaRates STRENGTHS
Developed tracking APIs with third-party integrations and data
normalization pipelines.
Queue-based architectures: retries,
Increased reliability using queues, retries, and structured logging
idempotency, predictable failure
for integrations.
handling.
Stack: PHP, Laravel, MySQL, Redis, background jobs, integrations Performance work: SQL tuning, indexes,
caching, hot-path optimization.
Production mindset: logging/monitoring,
PHP Backend Developer Oct 2020 — Oct 2023 · Remote safe releases, incident support.
EXBASE.IO
Code quality: PSR, SOLID, PHPUnit, clean
Implemented backend services and secure APIs for internal architecture patterns.
fintech/crypto-related flows.
Worked on reliability: idempotency patterns, queue-driven
processing, monitoring basics. LANGUAGES
Stack: PHP, Laravel, MySQL, Redis
UKRAINIAN Native
RUSSIAN Native
ENGLISH B2

Daniil Koversun · PHP Backend Developer Laravel · AWS · RabbitMQ
TECHNICAL SKILLS

ADDITIONAL
BACKEND PHP, Laravel, Symfony
EXPERIENCE
DATABASES MySQL, PostgreSQL, MongoDB, indexes, query
optimization, migrations
RabbitMQ, Redis queues, retries, idempotency,
PHP Oct 2019 — Apr 2020
QUEUES
Developer
dead-letter basics
Private Projects (CRM / Review
CACHING Redis, Memcached, invalidation strategies, rate Platforms)
limiting
Built CRM for traffic/leads management
SEARCH Elasticsearch (integration level) and business automation.
DEVOPS Docker, Linux, Nginx · CI/CD (Jenkins, GitLab CI) · Developed content platforms and admin
Cloudflare tooling; performance-focused
improvements.
CLOUD AWS: EC2, S3, RDS, Lambda, CloudWatch, IAM
basics, DigitalOcean, Linode Stack: PHP, Laravel, OctoberCMS

TOOLS Jira, Monday.com, Freshdesk, GitHub/GitLab, team
workflows
PHPUnit, Mockery, PSR, SOLID, patterns (Factory,
E D U C AT I O N
QUALITY
Builder, Adapter)
Computer Engineering (Engineer)
2020 — 2024
I M PA C T H I G H L I G H T S
Taurian National University named after
V.I. Vernadsky
Built production APIs and queue-driven background processing for
Completed higher education
throughput and reliability.
Reduced bottlenecks via SQL tuning, indexing, and caching layers.
Delivered features end-to-end: requirements → implementation → NOTES
testing → release support.
Worked with AWS and operational tooling to support stable
FOCUS PHP/Laravel backend,
deployments.
AWS, RabbitMQ, scalable
APIs, integrations

STYLE Ownership, clear
communication,
predictable delivery

WORK Remote

Daniil Koversun · PHP Backend Developer [open contact info](look above in the "contact info" section)