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Kavin S.
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Kavin S.

Senior Full Stack & AI Engineer | 10+ Years | Web, Mobile & SaaS

I’m Kavin Sharma, a Full Stack & AI Engineer with 10+ years of hands-on experience turning ideas, complex requirements and existing systems into production-ready products. Over the years, I’ve worked across AI, SaaS, web, mobile, eCommerce, fintech, blockchain and enterprise applications, often taking ownership of the complete technical side of a product, from architecture and backend systems to frontend, mobile, integrations and deployment. I’ve worked on everything from AI-powered applications and multi-tenant SaaS platforms to fintech products, trading systems, omnichannel eCommerce platforms and high-scale search systems handling around 5TB of data. My strongest technologies include Node.js, React, Next.js, Python, Django, FastAPI, Golang, React Native, PostgreSQL, MongoDB, Elasticsearch and AWS, along with OpenAI/LLM integrations and modern AI-driven application development. What I bring to a project is not just coding experience. I’m comfortable understanding the business problem, figuring out the right technical approach, making architecture decisions and taking the product all the way to production. Whether you’re starting something new, rebuilding an existing application, adding AI to your product, or dealing with a system that has become difficult to scale, I can step in and take ownership. If you’re looking for someone who can think beyond the ticket, communicate clearly and actually own the engineering, let’s talk.

🇮🇳Bulandshahr, India$15/hr100% JSS4.92 (19)Since Jun 2022

Earnings and projects

MRR
$901

Last 6 months ÷ 6

World#52,752 / 412k
🇮🇳Country#5,794 / 45.9k
Revenue, last 30 days
$0

Last 6 months: $5.4k

Total earnings
$43k

Billed in all: $43k

World#86,423 / 412k
🇮🇳Country#12,704 / 45.9k
Per project
$1.6k

$5.4k in the last 6 months

World#89,413 / 412k
🇮🇳Country#11,017 / 45.9k
Projects, last 6 months
1
100% fixed0% hourly
World#128,096 / 412k
🇮🇳Country#14,379 / 45.9k
Projects in all
26

Across 28 contracts

54% fixed46% hourly
World#109,601 / 412k
🇮🇳Country#16,359 / 45.9k

Earnings, last 30 days

$43.5kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$42.5k$43.0k$43.5k$44.0kOct 9Oct 24Nov 8

Dotted: longer than usual between two readings. Hatched: over two weeks without one.

Skill rankings: Top 10% in Fastlane

Ranked by MRR among everyone on Upwork with the skill.

  1. #7Fastlane67 freelancers · 🇮🇳 #2Top 10%
  2. #137LLM Prompt799 freelancers · 🇮🇳 #52Top 17%
  3. #244Golang2,195 freelancers · 🇮🇳 #30Top 11%
  4. #510NestJS3,757 freelancers · 🇮🇳 #94Top 14%
  5. #656Back-End Development4,183 freelancers · 🇮🇳 #124Top 16%
  6. #981Generative AI5,038 freelancers · 🇮🇳 #241Top 19%
  7. #1,054API Development6,848 freelancers · 🇮🇳 #303Top 15%
  8. #1,256Mobile App Development8,511 freelancers · 🇮🇳 #389Top 15%