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Anatoliy K.
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Anatoliy K.

Software Engineer

Software engineer, Linux enthusiast - Leading tech decisions, architecture design; - Multi-model AI orchestration: OpenAI (GPT), Perplexity (Sonar-Pro), Google Gemini; function-calling agents with massive context - Real-time WebSocket infrastructure; Socket-io with Redis adapter for horizontal scaling - AWS-native architecture: ECS Fargate, Lambda, S3, SQS, EventBridge, CloudFront, Cognito - Infrastructure as Code; Terraform, GitHub Actions CI/CD, zero-downtime deployments - High-load API development; NestJS, Node.js, TypeScript - PostgreSQL (Prisma ORM), Redis/ElastiCache

🇸🇰Bratislava, Slovakia$70/hr100% JSS4.99 (4)Since Feb 2020
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Earnings and projects

MRR
$3.4k

Last 6 months ÷ 6

World#10,437 / 412k
🇸🇰Country#8 / 323
Revenue, last 30 days
$9.6k

Last 6 months: $20k

World#1,593 / 412k
🇸🇰Country#1 / 323
Total earnings
$31k

Billed in all: $31k

World#108,950 / 412k
🇸🇰Country#82 / 323
Per project
$6.1k
World#28,182 / 412k
🇸🇰Country#30 / 323
Projects, last 6 months
0
World#209,850 / 412k
🇸🇰Country#146 / 323
Projects in all
5

Across 6 contracts

50% fixed50% hourly
World#266,042 / 412k
🇸🇰Country#211 / 323

Earnings, last 30 days

$31.4k+$9.6k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$20k$25k$30k$35kOct 8Oct 23Nov 7

Skill rankings: Top 3% in Socket.io

Ranked by MRR among everyone on Upwork with the skill.

  1. 2Hyperledger Fabric48 freelancers · 🇸🇰 #1Top 4%
  2. #10NestJS Development248 freelancers · 🇸🇰 #1Top 4%
  3. #12Product Concept169 freelancers · 🇸🇰 #1Top 7%
  4. #17Socket.io533 freelancers · 🇸🇰 #1Top 3%
  5. #30Websockets613 freelancers · 🇸🇰 #1Top 5%
  6. #30Amazon ECS543 freelancers · 🇸🇰 #1Top 6%
  7. #32WebRTC468 freelancers · 🇸🇰 #1Top 7%
  8. #68Apache Kafka981 freelancers · 🇸🇰 #1Top 7%