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Ilja K.
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Ilja K.

JSON Schema Architect | Python Automation Engineer | Data Pipelines

I design JSON Schema systems, Python automation workflows, and structured data pipelines for teams that need clean, scalable, and production-ready implementations. I help turn complex requirements into well-structured technical systems: validated schemas, transformation logic, ingestion pipelines, and maintainable automation flows. Typical projects I work on: • JSON Schema design and refactoring • Canonical and operational data model design • Python automation scripts and internal tools • Structured data transformation and validation pipelines • Schema mapping, normalization, and documentation • Workflow automation for data-heavy systems My background combines software engineering and hands-on industrial automation experience, which means I approach system design with strong attention to structure, validation, reliability, and real-world implementation constraints. Tools and technologies I commonly use include Python, JSON Schema, structured data modeling, validation workflows, automation logic, and technical documentation. If you need someone who can think through the structure, not just write code, I can help design and implement a system that is clean, extensible, and usable in practice.

🇱🇻Daugavpils, Latvia$25/hr100% JSS4.26 (8)Since Feb 2018

Earnings and projects

MRR
$378

Last 6 months ÷ 6

World#89,238 / 412k
🇱🇻Country#67 / 387
Revenue, last 30 days
$0

Last 6 months: $2.3k

Total earnings
$22k

Billed in all: $23k

World#132,703 / 412k
🇱🇻Country#113 / 387
Per project
$1.4k

$324 in the last 6 months

World#100,398 / 412k
🇱🇻Country#93 / 387
Projects, last 6 months
7
71% fixed29% hourly
World#28,826 / 412k
🇱🇻Country#23 / 387
Projects in all
16
75% fixed25% hourly
World#155,087 / 412k
🇱🇻Country#147 / 387

Earnings, last 30 days

$23.3kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$23,000$23,250$23,500$23,750Oct 8Oct 23Nov 7

Skill rankings: Top 17% in Automated Deployment Pipeline

Ranked by MRR among everyone on Upwork with the skill.

  1. #11JSON-LD23 freelancers · 🇱🇻 #1Top 48%
  2. #22Structured Data53 freelancers · 🇱🇻 #1Top 42%
  3. #33Automated Deployment Pipeline197 freelancers · 🇱🇻 #1Top 17%
  4. #45Siemens NX158 freelancers · 🇱🇻 #1Top 28%
  5. #69PLC Programming290 freelancers · 🇱🇻 #1Top 24%
  6. #208Schema Markup545 freelancers · 🇱🇻 #2Top 38%
  7. #269Technical Documentation1,077 freelancers · 🇱🇻 #1Top 25%
  8. #370Scripting2,145 freelancers · 🇱🇻 #1Top 17%