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Your trusted AI software development partner

Diffco is a San Francisco-based AI-first software engineering partner for growth-oriented teams. We embed senior engineers and product strategists who turn AI vision into shipped, revenue-driving products. Our team has spent the last 18 years building: SaaS platforms, web&mobile apps, and now AI-native systems for best startups to top U.S. enterprises in healthcare, finance, and other regulated industries. Products we developed are used by renowned companies such as American Express, Starbucks, Whole Foods, Mars, and many successful startups like Maze, Happier, and Legion Farm, among many others.

  • Min project size
    $25,000+
  • Hourly rate
    $100 - $149 / hr
  • Employees
    50 - 249
  • Locations
    San Jose, CA
  • Year founded
    Founded 2008

1 Locations

  • San Jose , CA

Select Focus Area
Application Platforms
Amazon Application Development Framework
45%
Azure Platform
20%
Linux server
5%
AI Agent Development Focus
AI Agent Frameworks
40%
AI Agent Platforms & Builders
40%
Voice AI Agents
20%
AI Agent Purpose Focus
Business Intelligence AI Agents
10%
Coding & Development AI Agents
10%
Customer Service AI Agents
10%
Digital Workers AI Agents
10%
Finance AI Agents
10%
General Purpose AI Agents
10%
Image Creation AI Agents
10%
Productivity AI Agents
10%
Sales & Lead Generation AI Agents
10%
Workflow AI Agents
10%
AI Platform Integration Focus
Google Workspace AI Integration
25%
Salesforce AI Integration
25%
Hubspot AI Integration
20%
Gumloop AI Integration
15%
Notion AI Integration
15%
AI Technologies & Models
Anthropic
30%
Open AI GPT-3
25%
Open AI Dall-E 2
15%
Stable Diffusion
15%
Hugging Face Bloom
10%
Deepmind Gopher
5%
CMS Focus
Adobe Experience Manager CMS
25%
Frameworks and CMS
Other frameworks and CMS
5%
Programming & Scripting
Python
20%
Typescript
15%
Java
10%
Go
5%
Industries
Business services
25%
Medical
25%
Consumer products & services
10%
Education
10%
Financial services
10%
Manufacturing
10%
Supply Chain, Logistics, and Transport
10%
Clients
Midmarket ($10M - $1B)
45%
Enterprise (>$1B)
35%
Small Business (<$10M)
20%
Certified in:
AI Development Custom Software Development

Pricing Snapshot

Min. project size $25,000+
Avg. hourly rate $100 - $149 /hr
Rating for cost 4.9 /5

What Clients Have Said

Diffco AI offers competitive pricing and good value for cost, with multiple clients noting that their budgets were well accommodated. Clients appreciated the quality of work delivered within set timelines, indicating strong project management and responsiveness.

This summary is based on verified Clutch reviews.

Most Common Project Size

$50,000 - $199,999 based on 29 reviews
< $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

Select a service to see pricing information

Highly Rated Similar Providers

Diffco AI Review Insights

Overall Review Rating

5.0
  • Quality 5.0
  • Schedule 4.9
  • Cost 4.9
  • Willing to Refer 5.0

Top Mentions

Review Highlights

  • Strong Technical Expertise

    Diffco AI consistently demonstrates strong technical expertise across various projects, including AI, mobile app development, and backend infrastructure. Clients appreciate their ability to solve complex technical challenges and deliver innovative solutions tailored to specific needs.

  • Areas for Improvement: Openness to Suggestions

    While generally praised, a few clients suggest that Diffco AI could benefit from being more open to exploring alternative ideas and suggestions. Encouraging a broader mindset could enhance their ability to innovate and meet evolving customer needs.

  • Valuable Strategic Input

    The team is recognized for providing valuable strategic input, not just technical execution. Clients value their feedback, which often helps refine project strategies and improve overall outcomes. This proactive approach is a hallmark of their service.

  • Excellent Communication Skills

    Diffco AI is commended for its excellent communication skills, maintaining regular updates and transparent processes. Clients appreciate their clarity, regular syncs, and the use of project management tools to keep all parties informed and aligned.

  • Customer-Centric Approach

    Diffco AI's customer-centric approach is evident in their willingness to listen, adapt to client needs, and ensure satisfaction. Clients appreciate the team's commitment to understanding and aligning with their business goals and values.

  • Collaboration and Integration

    Clients appreciate Diffco AI's ability to seamlessly integrate with their internal teams, fostering a collaborative environment. This approach enhances project efficiency and ensures that solutions are well-aligned with client operations and goals.

Diffco AI Reviews

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Services
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Industry
Location

AI Consulting for Information technology

  • AI Consulting AI Development Custom Software Development
  • AI Deployment AI Security Management Angular
  • $10,000 to $49,999
  • Apr. 2026 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They backed their recommendations with testing and measurable results."
Oct 14, 2026
Co-Founder, SaveIT Receipts
Elvera Kaparchuk
Verified
  • Information technology
  • Mount Vernon, Washington
  • 1-10 Employees
  • Online Review
  • Verified

Diffco AI has reviewed and improved the AI model of a receipt management platform. They've helped the client determine which tasks are best handled by AI and which by traditional software logic.

AI Development for Image-Generation Startup

  • AI Development
  • Computer Vision
  • Confidential
  • Dec. 2025 - Feb. 2026
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The collaboration was smooth from start to finish, and we'd bring them in again."

Sep 17, 2026
CEO, WelabelData inc
Ivan Pasichnyk
Verified
  • Information technology
  • Los Angeles, California
  • 1-10 Employees
  • Online Review
  • Verified

Diffco AI provided AI and computer vision development services for an image-generation startup. The team designed the technical approach, built and validated models, and provided ongoing support.

AI Consulting & Dev for Landscape Design Platform

  • AI Consulting AI Development Application Management & Support
  • $50,000 to $199,999
  • Aug. - Nov. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Overall, the collaboration was excellent."

Dec 8, 2025
Executive, customscape.ai
Anonymous
Verified
  • Other industries
  • West Palm Beach, Florida
  • 1-10 Employees
  • Online Review
  • Verified

Diffco provided AI consulting and SI for an AI-assisted landscape design platform. The team assisted the client in defining and launching the second version of their AI-powered landscaping product.

Custom Software Development for Real Estate Platform

  • Custom Software Development
  • $10,000 to $49,999
  • Mar. - May 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Everything was great."

May 13, 2025
CPO, Gitcha
Jacob Hokinson
Verified
  • Other industries
  • Bend, Oregon
  • 1-10 Employees
  • Online Review
  • Verified

Diffco provided development for a real estate platform. The team built version 2 of the platform, refactored the existing codebase, modernized the infrastructure, and implemented a scalable foundation.

Custom Software Development for Digital Logistics Platform

  • AI Agents AI Consulting AI Development Custom Software Development
  • $50,000 to $199,999
  • July 2024 - Jan. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Diffco delivered high-quality work, met all expectations, and collaborated effectively."

Mar 28, 2025
CEO, Via.Delivery
Mitchell Nikitin
Verified
  • Information technology
  • Menlo Park, California
  • 11-50 Employees
  • Online Review
  • Verified

Diffco provided backend development and third-party postal and shipping API integration for a digital logistics platform. They optimized backend systems and contributed to architectural decisions.

Web & Mobile App Development for Testing Platform Company

  • Custom Software Development Mobile App Development Web Development
  • $200,000 to $999,999
  • May 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Our collaboration has worked out perfectly fine."

Jun 19, 2023
VP of Customer Success, Performance Lab US
Kamilla Hawkins
Verified
  • Other industries
  • San Jose, California
  • 201-500 Employees
  • Online Review
  • Verified

Diffco has developed web and mobile applications for a testing platform company. The team is responsible for the apps' design, development, and integration with real-time data feeds.

Web & Software Dev for Cloud-Based Performance Testing Firm

  • Custom Software Development
  • $200,000 to $999,999
  • Nov. 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Everything worked out perfectly."

May 16, 2023
CEO, PFLB
Yurii Kovalov
Verified
  • Other industries
  • Mountain View, California
  • 51-200 Employees
  • Online Review
  • Verified

Diffco develops the backend and frontend components for a cloud-based performance testing firm. They design and implement a secure and scalable architecture and integrate APIs into existing systems.

Custom E-Learning Platform for Coaching & Consulting Company

  • Custom Software Development Mobile App Development Web Development
  • $200,000 to $999,999
  • Jan. - Mar. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The quality of their service is world-class."

Apr 6, 2023
CEO, Accountability Now
Don Markland
Verified
  • Other industries
  • Jacksonville, Florida
  • 1-10 Employees
  • Online Review
  • Verified

A coaching and consulting company hired Diffco to build a custom e-learning platform for learners. The team also revamped the client's website and onboarding platform.  

Website Redesign & Branding for Software Dev Company

  • Branding Web Design Web Development
  • $50,000 to $199,999
  • May 2020 - Ongoing
5.0
Quality
5.0
Schedule
4.0
Cost
4.0
Willing to Refer
5.0

"The quality and consistency of the team make Diffco stand out over other vendors."

Jan 10, 2023
Executive, FlashGrid
Anonymous
Verified
  • Other industries
  • Sunnyvale, California
  • 11-50 Employees
  • Online Review
  • Verified

Diffco has revamped a software development company's website and branding. They've built a Zendesk-based platform, set up AWS infrastructure for it, and created a custom help center for clients.

iOS Mobile App Dev & Backend Dev for Vet Platform

  • Mobile App Development Web Development
  • $50,000 to $199,999
  • Jan. 2016 - Aug. 2017
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their extensive technical knowledge and expertise in mobile app development were very impressive."

Nov 30, 2020
Account Director, Phew! Inc
Ruslana Golunova
Verified
  • Other industries
  • Pleasanton, California
  • 11-50 Employees
  • Online Review
  • Verified

Diffco built two iOS mobile apps for a pet healthcare platform, for vets and pets parents. Its features include examination forms, reminders, and more. They also developed the client's backend.

Showing 1-10 of 33 Reviews

Our Story

We started Diffco on a simple belief: great software comes from teams who think like product owners and hold a senior bar from day one. From our Silicon Valley base we build AI-native products — agents, copilots, and full systems — for teams in healthcare, fintech, and beyond. Clear communication, product-oriented thinking, and AI-first engineering aren't perks here; they're how we ship.

Meet the Team

Vadim Peskov

Vadim PeskovCEO

CEO and Co-Founder of Diffco, Advisor at Alchemist Accelerator and numerous startups. He is an expert and speaker who combines years of experience in AI, CV, Cybersecurity, statups and product design.

Eugene Nasonov

Eugene NasonovCTO

Eugene sets Diffco's technical direction and owns the engineering bar that clients hire us for. Over nearly two decades he's architected production systems across SaaS, mobile, enterprise, and AI-native products.

Paul Shpin

Paul ShpinVP of Engineering

Paul brings 25 years of engineering and entrepreneurial leadership to Diffco. A systemic architect and battle-tested founder behind many statups, he focuses on building resilient, scalable platforms.

Marko Karovic

Marko KarovicPMO

Marko a highly skilled PMO, has a strong track record delivering projects across Med-Tech, e-commerce, IoT, telecom, and machine learning. Tech-savvy and adaptable, he excels at driving results in complex, fast-paced environments.

What Sets Us Apart

Production-Ready AI Engineering

Senior engineers and AI agents in one delivery loop, with human review at every gate.

Product owners, not vendors

We start from your goals, challenge assumptions, and ship what moves the metric.

Senior teams, no junior bench

Top 1% engineers from day one, direct access, the engineer who scopes it ships it.

Locations (1)

333 W San Carlos St #600 San Jose, CA, United States 95110

21 - 30

Contact Diffco AI

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Additional Connections

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