Vitaliy K.
Senior Full-Stack Developer | Entrepreneur
Business-oriented Senior Full-Stack Developer with 15+ years of experience delivering scalable, cloud-native solutions for fintech, health startups, and large enterprises. Extensive expertise in Python, PHP, TypeScript, JavaScript, and Node.js. Skilled in designing APIs, modern frontend frameworks, cloud-native architectures, and Agentic AI applications. Technical Skill Set - AI Application Development: Multi-Agent orchestration, LLM, RAG, Amazon Bedrock - Backend Development: Python, Node.js, TypeScript, PHP - Frontend Development: React, Angular, Tailwind CSS - Database: MySQL, Postgres, DynamoDB, Presto (Athena) - Cloud Architecture: AWS, Serverless, IaC, AWS CDK - API Development: RESTful APIs, GraphQL - Tools: Git, GitHub, Jira, CI/CD, Docker - Frameworks: Remix, Next.js, Yii, Silex, Laravel - Analytics: Serverless analytics with AWS Athena and S3. Kinesis for data ingestion. - Web Security: Infrastructure and application security best practices Feel free to reach out for collaboration, partnerships, or any long-term engagements. Let's build something amazing together.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $3.8k
Billed in all: $80,970$81k
$3.8k in the last 6 months
Across 52 contracts
Earnings, last 30 days
Skill rankings: Top 10% in Yii2
Ranked by MRR among everyone on Upwork with the skill.
- #25Database Modeling156 freelancers · 🇨🇦 #2Top 16%🇨🇦#2 of 6
- #41Yii2396 freelancers · 🇨🇦 #2Top 10%🇨🇦#2 of 3
- #48Enterprise Software217 freelancers · 🇨🇦 #2Top 22%🇨🇦#2 of 6
- #71Web Service559 freelancers · 🇨🇦 #3Top 13%🇨🇦#3 of 7
- #106RESTful Architecture795 freelancers · 🇨🇦 #3Top 13%🇨🇦#3 of 18
- #339Logistics Management1,496 freelancers · 🇨🇦 #4Top 23%🇨🇦#4 of 19
- #347Database Design2,161 freelancers · 🇨🇦 #6Top 16%🇨🇦#6 of 45
- #1,084Customer Relationship Management5,121 freelancers · 🇨🇦 #20Top 21%🇨🇦#20 of 74