💼 Portfolio & Experience

20 Years. Hundreds of Systems.
Results Measured in Numbers

Enterprise development, AI integrations and strategic IT consulting. From government platforms and banks to healthcare and international SaaS - systems that run without failure for years.

20+

Years in production

150+

Projects delivered

Client countries

99.99%

System uptime

Zero security incidents

Professional Journey

A continuous career from 2002 to the present

Each role represents a new level of expertise. SLAtech has been operating in parallel with all other projects since 2004.

2002

🎓 Lecturer - Mathematics & Computer Science

Open University of Israel · 2002-2003

Academic and practical courses. Foundation: rigorous mathematical thinking that still underpins every architectural decision today.

C++, algorithms and data structures - hands-on laboratory practice
Linear algebra, calculus, discrete mathematics, graph theory
Curriculum development and Problem-Based Learning

C++ Algorithms Mathematics

2003

💡 Co-Founder - e-Commerce Startup EXIT 01.07.2006

e-net · 12/2003 - 07/2006

Founded and launched an e-commerce company from scratch. Full responsibility across all aspects of the business. ₪4M turnover in the first year. Successfully sold in July 2006.

Built a scalable ASP.NET e-commerce platform from the ground up
₪4M revenue in the first year of operation
Technology + operations + finance + marketing + HR
Business intelligence and data-driven decision making

ASP.NET E-Commerce BI / Analytics Entrepreneurship

2004

🚀 Founder & CEO - SLAtech LTD ● active today

SLAtech LTD · 01/2004 - Present · 20+ years

A leading consulting and development company. Full lifecycle delivery: business analysis - architecture - development - deployment - long-term support. Clients across 14 countries: Israel, Russia, USA, China, Spain, Ukraine, Turkey, Belgium, Romania, Hungary, France and others.

End-to-End: architecture - backend - frontend - API - deployment - support
.NET Framework / Core, C#, ASP.NET MVC, Web API
MS SQL Server: Query Optimization, Stored Procedures, Triggers, SSIS
Entity Framework, LINQ, Dapper
N-Tiers: DB - EF/DAL - Cache - BLL - UI Logic - GUI
Agile/Scrum, CI/CD, Azure DevOps, Jira
Technology and marketing consulting for clients
Generic architecture with extensible modules

.NET / C# MS SQL Server Entity Framework ASP.NET MVC Enterprise Architecture IT Consulting AI Integration

2006

🏭 Development Team Lead - Enterprise ERP System

Positive Wind LTD · 06/2006 - 01/2007

Parallel to SLAtech: full lifecycle development of a corporate ERP from requirements to production. Modular scalable architecture with advanced client-side UX.

ERP: requirements - architecture - development - production
Web Application with AJAX, XML/XSLT
Modular architecture designed for future growth
Team leadership: developers, QA engineers, and stakeholders

.NET ERP AJAX / XML / XSLT Team Lead

2007

🌐 Head of Development - Large-Scale Online Platform

Mekusharim · 01/2007 - 05/2009

Parallel to SLAtech: development of a large-scale social communication platform on .NET with multi-server architecture. At its peak it surpassed Facebook in reach among Israeli youth - becoming the country's largest social network.

Multi-Server Architecture for High-Traffic Scalability
WAP system with bi-directional SMS integration
Database Architecture & Design: complex data schemas
SQL Server Profiler, Database Engine Tuning Advisor
Stored Procedures, Triggers, SQL Jobs

.NET Multi-Server WAP / SMS High-Traffic SQL Optimization

2009

📈 SLAtech - Growth and Scaling Phase

SLAtech LTD · 2009 - 2023 · 14 years of active work

Intensive portfolio growth: major long-term contracts in healthcare, finance, government and e-commerce worldwide. During this period the systems were built that still operate today with 99.99% uptime.

Medical platform for 100,000+ active users - 18+ years of continuous operation
Banks, government agencies, universities, retail
Client base expanded to 14 countries
150+ projects delivered - zero security incidents
Specialization in high-load, mission-critical systems
Migrations, legacy modernization, cloud transitions

Healthcare IT Banking Government E-Commerce E-Learning 14 Countries

2023

🤖 AI Strategist - LLM & Intelligent Automation

SLAtech + client projects · 2023 - Present

Focused on integrating LLMs and AI agents into production enterprise systems. Real deployments with measurable ROI - not pilots or demos.

Integration of GPT-4, Claude, Gemini into business processes
Custom AI agents for automating repetitive workflows
ML pipelines and predictive analytics
Up to 70% reduction in manual effort on routine processes

GPT-4 Claude Gemini LangChain AI Agents Semantic Kernel

System Types

Systems I Design and Build

Every type below represents real delivered projects - not theory

🏥

Medical Systems

Portals for medical professionals, scheduling, content management, integrations with medical associations. 99.99% uptime over 18+ years. Zero security incidents.

✓ Self-service portals and personal member accounts
✓ Integration with 50+ medical associations
✓ 100,000+ active users in a single system
✓ Critical requirement: SLA and data security

🏭

ERP Systems

Full-cycle corporate management systems: from requirements to production. Modular architecture, scalability, integrations with external systems.

✓ Full cycle: analysis - development - launch
✓ Generic modular architecture
✓ Integrations with external APIs and equipment
✓ Manufacturing, warehouse, supply chain

🛒

E-Commerce Platforms

Scalable B2C and B2B platforms. Personal founder experience with a successful exit: ₪4M turnover in the first year.

✓ Scalable ASP.NET Commerce Platform
✓ Social group buying systems
✓ AI recommendations and personalization
✓ Payment systems and logistics integration

🤖

AI Integrations for Business

LLMs and AI agents integrated into existing enterprise systems. Process automation with measurable ROI. Production - not pilots.

✓ GPT-4, Claude, Gemini in workflows
✓ Custom AI agents and automation
✓ Up to 70% reduction in manual work
✓ ML pipelines, predictive analytics

🎓

E-Learning Platforms

Distance learning systems for universities and corporations. LMS, video streaming, testing, mobile applications.

✓ LMS + video streaming + testing system
✓ Mobile Apps: iOS and Android
✓ AI-adaptive learning
✓ Audiences of tens of thousands of users

🤝

CRM & Community Systems

Customer management, social networks and community platforms under high load. Multi-Server Architecture.

✓ CRM with AI process automation
✓ Social networks and online communities
✓ High-Traffic Scalability, Multi-Server
✓ SMS integrations, mobile version (WAP)

🏦

Fintech & Banking Systems

Systems for banks and financial organizations. Security is the absolute priority. Zero security incidents ever.

✓ Core Banking integrations and APIs
✓ Protection: SQL Injection, XSS - full coverage
✓ Optimized SQL layer for high-load scenarios
✓ Zero security incidents

📊

Big Data & BI Analytics

Data analysis, business intelligence and reporting. Data Mining, analytical dashboards. Data-driven decision making.

✓ Big Data - working with large volumes
✓ BI analytics, Data Mining, SSIS
✓ Analytical reports and dashboards
✓ SQL optimization: logical approach to code

🏛️

Government Portals

Platforms for ministries, municipalities and public sector organizations. Maximum requirements for security, accessibility and reliability - systems that citizens depend on.

✓ Citizen self-service portals
✓ Integrations with government registries and APIs
✓ Strict security requirements and clearance levels
✓ High load, 99.99% uptime mandatory

Industry Coverage

Industries I Have Worked In

Cross-disciplinary expertise in critical economic sectors

🏥

Healthcare

Medical associations, HMO - 100,000+ users, 18+ years of uptime

🏦

Banking & Finance

Banks, FinTech, insurance - high-frequency transactions, zero breaches

🏛️

Government

Ministries, municipalities - critical systems with security clearance requirements

🎓

Education

Universities, corporate training - tens of thousands of students

🛒

E-Commerce & Retail

B2C, B2B, marketplaces - from startup to exit

🏭

Manufacturing

Industry, logistics, supply chain management

🚀

SaaS & Startups

B2B SaaS, product-led growth - from idea to exit

📰

Media & Publishing

News portals, content platforms - high traffic at scale

Technical Expertise

Technologies I Work With

Everything listed is production experience. Depth proven by real systems under real loads over 20 years.

🤖

AI & LLM

✓ OpenAI GPT-4 / GPT-4o
✓ Anthropic Claude
✓ Google Gemini
✓ Azure AI Services
✓ LangChain, Semantic Kernel
✓ Vector Databases (Pinecone, Weaviate)
✓ Custom AI agents and automation

💻

Backend

✓ .NET Framework / .NET Core / .NET 10
✓ C# - primary language for 20+ years
✓ ASP.NET MVC, Web API
✓ Entity Framework, LINQ, Dapper
✓ RESTful Services, Web Services, APIs
✓ Microservices, Design Patterns
✓ OOP, N-Tiers (DB-EF-DAL-Cache-BLL-UI)

🗄️

Databases

✓ MS SQL Server - primary specialization
✓ T-SQL: Stored Procedures, Triggers, Jobs
✓ Query Optimization, Execution Plans
✓ SSIS - integration and ETL processes
✓ SQL Server Profiler, DETA
✓ Database Design & Architecture
✓ Big Data, BI Analytics

☁️

Cloud & DevOps

✓ Azure (App Service, Functions, Storage)
✓ AWS (EC2, Lambda, S3)
✓ Docker, Kubernetes
✓ CI/CD - Azure DevOps, GitHub Actions
✓ Windows Server, IIS, Microsoft SQL Server
✓ Multi-Server Architecture
✓ Cache Layer for SQL load reduction

🎨

Frontend

✓ JavaScript, jQuery, HTML5, CSS3
✓ Razor, AJAX, XML/XSLT
✓ React, Vue.js, Blazor
✓ Responsive design, RTL/LTR
✓ SEO optimization to Google standards
✓ UX consulting for clients

📱

Mobile

✓ Native Android / iOS applications
✓ React Native, Xamarin
✓ WAP - mobile web versions
✓ Push notifications (FCM / APNs)
✓ SMS integrations, bi-directional messaging
✓ Biometric authentication

🔒

Security

✓ OAuth 2.0, OpenID Connect, JWT, SAML
✓ Azure AD, Identity Server
✓ Advanced SQL Injection prevention
✓ XSS and Cross-site scripting protection
✓ OWASP Top 10 - full coverage
✓ Zero breach history across 20 years

🏗️

Architecture

✓ N-Tier: DB - DAL - BLL - UI Logic - GUI
✓ Microservices, Event-driven
✓ CQRS, DDD, Clean Architecture
✓ Generic systems with extensible modules
✓ Multi-Server for high-load scenarios
✓ SEO architecture, Google standards

Why Clients Choose Me

Not Marketing - Contract Terms

Concrete commitments I take on for every project

⚡

Critical Bugs - 2 Hours

A failure affecting core functionality or the main page? Resolution within 2 hours. All other issues - within 24 hours. Available across time zones. This is written into the contract, not said verbally.

🔒

Zero Breaches in 20 Years

Government systems, banks, medical databases. Not a single security incident in two decades. SQL Injection, XSS, Advanced SQL Injection - all closed from the first commit.

🎯

Full Cycle - One Architect

Analysis - architecture - development - deployment - support. Direct contact with the architect who writes the code and is accountable for the result - not a team of intermediaries.

📊

Results in Numbers

Average operational cost savings - 40%. Automation of repetitive processes - up to 70%. System performance - multiple-fold improvement.

🌍

International Experience

Projects in 14 countries: Israel, Russia, USA, China, Spain, Ukraine, Turkey, Belgium, Romania, Hungary, France and others. Multilingual systems, RTL/LTR, localization.

🤝

Long-Term Partnership

Clients work with me for 10+ years. Support from idea through to system maturity. Technology and marketing consulting - included.

Academic Foundation

Education & Certifications

Rigorous mathematical background combined with applied engineering

🎓

M.Sc. - Tel Aviv University

Applied Mathematics & Computer Science
2002 - 2004

🎓

B.Sc. - Bar-Ilan University

Computer Science & Mathematics
1999 - 2002

🏆

MCPD - Microsoft

Microsoft Certified Professional Developer
Application development and deployment in the Microsoft .NET ecosystem
John Bryce Hi-Tech College, 2006-2007

Position

Why this experience matters in the age of AI coding

AI closes the first 80% well. Production is decided by the last 20% - failure modes, concurrency, data integrity, behavior under load, security, cost at scale. The experience above is what catches the architecturally plausible but operationally lethal decision before it ships.

Read the full position

Need a system that will run - not for a month, but for years?

Tell me about your project. The first consultation is free - 45 minutes, no commitment, with a real breakdown of your challenge.

📅 Schedule Free Consultation ⚙️ My Services

Response within 24 hours · NDA on request · Working with clients worldwide · Selective client intake · Quality over volume

20 Years. Hundreds of Systems. Results Measured in Numbers