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Diffco AI

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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

Service Lines
AI Development
25%
Custom Software Development
25%
AI Agents
15%
Mobile App Development
15%
IT Staff Augmentation
10%
Web Development
10%
Select Focus Area
AI Expertise
Natural Language Processing
20%
Chatbots & Conversational AI
15%
Cognitive Computing
15%
Computer Vision
15%
Machine Learning
15%
AI Recommendation Systems
10%
Voice and Speech Recognition
10%
Application Platforms
Amazon Application Development Framework
45%
Google app engine
25%
Azure Platform
20%
Force
5%
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%
Sanity CMS
25%
WordPress CMS
25%
Sitecore CMS
15%
Drupal CMS
10%
Frameworks and CMS
NodeJS
25%
React
20%
React Native
20%
NextJS
15%
Angular
5%
Flutter
5%
Other frameworks and CMS
5%
Symfony
5%
Mobile Focus
Financial Mobile App Development
15%
Health & Wellness Mobile App Development
15%
Business Intelligence Mobile App Development
10%
Enterprise Mobile App Development
10%
Field Operations Mobile App Development
10%
Learning & Education Mobile App Development
10%
Productivity Mobile App Development
10%
Sales Enablement & CRM Mobile App Development
10%
Travel & Lifestyle Mobile App Development
10%
Mobile Platforms
Hybrid & cross platform apps
40%
iPhone iOS App Development
25%
Android App Development
20%
iPad iOS App Development
10%
Smart TV Development
5%
Programming & Scripting
JavaScript
20%
Python
20%
Swift
15%
Typescript
15%
Java
10%
C++
5%
Go
5%
Kotlin
5%
PHP
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

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 provides good value for cost, with clients noting their pricing fits budgets and their work is delivered on time and within budget. Many reviews highlight the efficient project management and quality of deliverables, suggesting a strong return on investment.

This summary is based on verified Clutch reviews.

Most Common Project Size

$50,000 - $199,999 based on 28 reviews
< $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000
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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

  • Some Suggestions for Improvement

    While generally praised, a few clients suggested that Diffco AI could benefit from being more open to exploring new ideas outside their comfort zone. This could enhance their adaptability and innovation in future projects.

  • Innovative Solutions

    Diffco AI is recognized for their innovative approach to project development. Clients appreciate their ability to develop sophisticated solutions that address complex challenges, often enhancing the overall project outcome.

  • Responsive and Adaptive

    Diffco AI is recognized for their responsiveness and adaptability. Clients appreciate their ability to address queries promptly, adapt to new requirements, and provide flexible solutions throughout the project lifecycle.

  • Customer-Centric Approach

    Diffco AI adopts a customer-centric approach, focusing on understanding client needs and delivering tailored solutions. They are noted for their willingness to listen, ask relevant questions, and provide valuable insights to enhance project outcomes.

  • Strong Technical Expertise

    Diffco AI consistently demonstrates strong technical expertise across various domains, such as AI, mobile app development, web applications, and backend systems. Clients appreciate their ability to handle complex projects with precision and deliver high-quality solutions.

  • Effective Project Management

    Clients commend Diffco AI's project management skills, noting their ability to deliver projects on time and within budget. Their approach includes regular communication, proactive management, and adaptability to changing project needs.

Diffco AI Reviews

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Web App for Investment Management Company

  • Custom Software Development Mobile App Development Web Development
  • Confidential
  • Feb. 2022 - Jan. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their flexibility in accommodating our needs was highly appreciated."

Apr 12, 2023
Manager, Investment Management Company
Anonymous
Verified
  • Financial services
  • San Francisco, California
  • Online Review
  • Verified

Diffco developed a web app for an investment management company. The app was designed to collect information to create performance reports that customers can use on their investment portfolios.

Mobile App Development for IT Firm

  • Mobile App Development
  • $10,000 to $49,999
  • Nov. 2021 - Ongoing
4.5
Quality
4.5
Schedule
4.5
Cost
4.0
Willing to Refer
4.5

"Their approach to solving any problem statement and developing software is quite impressive."

Jun 3, 2022
Graphic Designer, IT Firm
Anonymous
  • Other industries
  • 11-50 Employees
  • Survey Response

Diffco has developed a custom mobile application for an IT firm. Over 11 developers team up with the client for the project.

Showing 31-32 of 32 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.

Quick Facts

28 Verified Clutch Clients

18 years in business

Team Breakdown

AI/ML engineers (12)
Computer vision engineers (5)
Full-stack engineers (11)
Mobile engineers (7) +5 Teams

Tools and Technology

Slack
Zoom
Jira
Airtable
Miro
Loom
Grafana
Google Drive
AWS
Docker
Terraform
Sentry

Commonly Asked Questions

18+ years of front-end engineering across consumer apps, dashboards, and enterprise SaaS. We build production-grade interfaces whether your product is a classic SaaS or an AI-native experience — same engineering bar, same senior teams.

AI engineering — agents, copilots, RAG, and full AI-native products across web, mobile, and SaaS — plus classic software work that doesn't need AI. We're strongest with growth-stage startups and U.S. enterprises in healthcare, fintech, and martech, especially where AI moves a real metric. We also rescue prototypes built on Cursor, Bolt, or Claude Code and harden them for production

Every project runs on Production-Ready AI Engineering: seven stages — Discover, Plan, Align, Build, Validate, Release, Evolve — with senior engineers and AI agents in the same loop. We work in short Agile sprints with working demos over status decks, and log every plan and decision as an auditable trail.

Direct access to the team — the engineers who scopes your work is the one who ships it. Transparent reporting, proactive updates, regular sprint check-ins, and working demos over written status. We adopt your tools and overlap your hours so it feels like one team.

Yes. We design to HIPAA, GDPR, and SOC 2-aligned patterns, with security as standard on every engagement. We've shipped products for regulated industries like healthcare and fintech, so compliance-aware architecture — data handling, access controls, audit trails — is built in from day one, not bolted on later. For AI workloads, we add the same rigor around data privacy, model governance, and observability.

Locations (1)

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

21 - 30

Contact Diffco AI

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