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Oleksandr K.

Oleksandr K.

Senior Fullstack Developer| PHP & Laravel | React.js | Xenforo

Senior Fullstack Developer with 14 years of experience in building and scaling complex web applications. My expertise is built on a deep mastery of the PHP & Laravel ecosystem for backend architecture, seamlessly integrated with modern React.js for high-performance frontend solutions. Over the past 14 years, I have evolved from a web developer into a fullstack engineer capable of handling the entire lifecycle of a product — from database schema design to complex UI state management. What I bring to the table: 14 years of problem-solving in web development, ensuring stability and security. Expert-level PHP & Laravel: Building robust APIs, microservices, and handling complex business logic. Modern Frontend: Developing interactive SPAs using React.js (Hooks, Context, Redux). Database Performance: Advanced MySQL optimization and efficient data modeling. Best Practices: Strict adherence to SOLID, DRY, and Clean Code principles to ensure maintainability. I am passionate about creating clean, efficient code and bridging the gap between sophisticated backend systems and intuitive user experiences.

🇺🇦Chernivtsi, Ukraine$25/hr100% JSS4.90 (2)Since Mar 2016

Earnings and projects

MRR
$191

Last 6 months ÷ 6

World#115,027 / 412k
🇺🇦Country#4,255 / 14.3k
Revenue, last 30 days
$0

Last 6 months: $1.1k

Total earnings
$2.7k

Billed in all: $2.7k

World#308,420 / 412k
🇺🇦Country#11,796 / 14.3k
Per project
$891

$574 in the last 6 months

World#132,818 / 412k
🇺🇦Country#5,985 / 14.3k
Projects, last 6 months
2
100% fixed0% hourly
World#88,918 / 412k
🇺🇦Country#3,419 / 14.3k
Projects in all
3
67% fixed33% hourly
World#304,140 / 412k
🇺🇦Country#11,447 / 14.3k

Earnings, last 30 days

$2.7kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$2,600$2,650$2,700$2,750Oct 8Oct 23Nov 7

Skill rankings: Top 15% in OpenCart

Ranked by MRR among everyone on Upwork with the skill.

  1. #8XenForo29 freelancers · 🇺🇦 #2Top 28%
  2. #101OpenCart669 freelancers · 🇺🇦 #13Top 15%
  3. #204Apache Kafka981 freelancers · 🇺🇦 #23Top 21%
  4. #447Golang2,195 freelancers · 🇺🇦 #19Top 20%
  5. #467Microservice2,217 freelancers · 🇺🇦 #32Top 21%
  6. #1,303RESTful API6,064 freelancers · 🇺🇦 #86Top 21%
  7. #1,612jQuery8,973 freelancers · 🇺🇦 #194Top 18%
  8. #1,724Vue.js8,267 freelancers · 🇺🇦 #220Top 21%