Available for select engagements in 2025

Fractional CTO
for Ambitious Teams

20+ years scaling distributed systems and technical organizations. I help startups and scale-ups build better products, faster—while maximizing your SR&ED tax credits.

How I Can Help

Strategic technical leadership and specialized consulting services

Specialized Consulting Services

SR&ED Tax Credits

Maximize your R&D tax credits. Identify eligible work, formalize processes, and create bulletproof documentation.

Learn About SR&ED

Karmak Integration

Optimize your commercial vehicle DMS. Connect systems, build mobile apps, and unlock powerful reporting.

Explore Karmak Services

Gong Integration

Turn Gong into your revenue engine. Deep CRM integrations, custom analytics, and workflow optimization.

Discover Gong Solutions

Core Leadership Services

Technical Strategy

Cloud architecture, ML systems, and guidance for regulated environments (HIPAA, FDA, SOC 2).

Team Building

Build high-performing teams. 95%+ retention, developing senior engineers into leaders.

Crisis Management

Stabilize systems, eliminate technical debt. 50% MTTR reduction, 300% performance gains.

Why Work With Me

I've spent 20+ years building and scaling technology organizations—from early-stage startups to public companies. I've been the founding engineer, VP of Engineering, Director of Development, and CTO multiple times over.

My track record includes leading $4M technology modernizations, building ML systems processing millions of transactions, achieving 99.99% uptime for mission-critical platforms, and developing 8 senior engineers into team leads with 95%+ retention.

I specialize in regulated industries (HIPAA, FDA, SOC 2) and have deep expertise in distributed systems, cloud architecture (AWS, GCP), and AI/ML—from TensorFlow-based computer vision to recommendation engines at scale.

Whether you need to scale your team from 5 to 50 engineers, migrate to microservices, maximize your SR&ED tax credits, or stabilize a critical system—I've solved these problems before and know how to help you succeed.

What Clients Say

Trusted by companies from startups to enterprises

"David transformed our entire Karmak infrastructure. What used to take hours now takes minutes. The mobile app he built for our yard operations has been a game-changer."

Mike Rodriguez
Operations Director
Regional Truck & Trailer

"We had tried SR&ED claims before and got rejected. David found $180K in eligible work we didn't even know qualified. His documentation was flawless."

Sarah Chen
CFO
TechFlow Solutions

"The Gong integration David built saved our sales team 10+ hours per week in manual data entry. ROI was immediate and massive."

James Peterson
VP Sales
CloudScale Inc
50+
Projects Delivered
95%
Client Retention
20+
Years Experience

Common Questions

Let's Connect

Have a project in mind? Let's discuss how I can help your team succeed.

© 2025 David Shak. All rights reserved.