Chaim Lev-Ari

Full-Stack Developer

React • TypeScript • Go

Full-stack developer with 10+ years of experience building scalable web applications. Expertise in React, TypeScript, and Go, with a track record of leading teams and delivering impactful products.

Journey

10+ years of building things that matter

2013-2018

Cobwebs Technologies

Founding team member, building BI applications and web crawler systems

2019-2020

cnvrg.io

Frontend Lead for enterprise ML platform

2020-2024

Portainer

Full Stack Engineer

2024

Crater Studios

Game Developer for Dwarven Realms multiplayer game

Work Experience

Professional roles & achievements

Crater Studios project

Game Developer

Crater StudiosMar 2024 - Dec 2024
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Developed engaging multiplayer gaming experiences, focusing on server infrastructure and gameplay systems for 'Dwarven Realms'.

Key Achievements

  • Scaled infrastructure to support peak traffic of 3,000 concurrent users
  • Delivered core multiplayer features for Dwarven Realms game launch
NodeJSSocket.ioUnreal EngineRedisC++TypeScript
Portainer project

Full Stack Engineer

PortainerMar 2020 - Apr 2024
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Led frontend migration to React and developed edge computing features for a container management platform supporting a global user base. Previously collaborated with Portainer part-time (2018-2019).

Key Achievements

  • Successfully migrated legacy codebase ensuring consistent user experience
  • Part of company's growth from 2-person startup to multi-team development organization
  • Platform used by 500K+ developers globally
GoAngularJSReactTypeScriptDockerKubernetes
cnvrg.io project

Frontend Lead Developer

cnvrg.ioJan 2019 - Feb 2020
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Led frontend team for enterprise machine learning platform, directing Rails to Vue.js migration while delivering continuous feature improvements.

Key Achievements

  • Successfully migrated to Vue.js without disrupting feature delivery
  • Improved code quality and reduced bugs through testing infrastructure
  • Platform used by Fortune 500 companies
VueRuby on RailsPostgreSQLJavaScript
Cobwebs Technologies project

Software Engineer

Cobwebs Technologies2013 - 2018
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Founding team member developing Business Intelligence applications for global agencies, building full-stack solutions and web crawler systems.

Key Achievements

  • Part of founding team establishing data intelligence solutions
  • Delivered critical BI tools for business intelligence agencies worldwide
AngularJSC#.NETSQL ServerMachine Learning

Now

October 2025

Currently Working On

Exploring AI agents and their applications. Building MyPlace and Upline.

Learning

LLM Fine-tuningRAG SystemsAgent FrameworksAI Engineering

Status

Open to opportunities in AI, education, or health sectors. Interested in roles that combine technical leadership with hands-on development and have a positive impact on the world.

Beyond Code

What makes me tick outside of development

Trail Running

Exploring trails and nature on foot

Iyengar Yoga

Practicing alignment-based yoga

Live Music & Festivals

Attending concerts and music festivals

Fantasy Books

The Wheel of Time, Brandon Sanderson

Video Games

Currently playing Horizon Zero Dawn

Bouldering

Indoor boulder climbing

Side Projects

Personal projects & experiments

UpLine screenshot

UpLine

A social festival companion app planned and implemented using Lovable and Claude Code.

ReactViteSupabase
MyPlace screenshot

MyPlace

A WhatsApp bot to build landing pages through natural conversation.

ExpressJSRemixPostgreSQLRedis

Let's Work Together

Open to opportunities in AI, education, or health sectors

Send Me a Message