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Diffco

Diffco

Verified
5.0 (10 reviews)
San Jose, CA
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Performance-Focused Development

Diffco is a custom software development company excelling in bespoke software creation and full stack software development. With 100% positive feedback, clients commend their expertise, strategic insight, and responsive communication. They consistently deliver projects on time and within budget, enhancing performance and scalability while aligning with client values and needs.

Min Project Size

$25,000

Hourly Rate

$50-99

Employees

50-249

Year Founded

2007

Languages

1

Years In Business

19+

Service Focus

Expertise distribution across services.

Pricing snapshot

Most Common Project Size $10,000 – $200,000 Based on 5 reviews
Average Hourly Rate $50-99 per hour
Rating for Cost 5/5

Reviews

Submit Review
The Project
Software Development $10,000 to $49,999 Mar. - May 2025
5
Quality 5 Schedule 5 Cost 5 Willing to Refer 5
The Review

Custom Software Development for Real Estate Platform

“Diffco's work improved the platform's performance and reliability. The team provided great development support and was able to deliver new features more efficiently. Diffco completed the project on time and within budget. Their expertise and high-level st”

4 weeks ago
Feedback Summary

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.

The Reviewer
J
Jacob Hokinson Development
San Jose, CA 50-249 Verified
The Project
AI Consulting $50,000 to $199,999 Aug. - Nov. 2025
5
Quality 5 Schedule 5 Cost 5 Willing to Refer 5
The Review

AI Consulting & Dev for Landscape Design Platform

“Diffco delivered a functioning AI landscaping product in a short period of time. The team provided a solid technical foundation for future features and experimentation. The client received very positive feedback on the product experience. The team was ext”

4 weeks ago
Feedback Summary

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.

The Reviewer
A
Anonymous IT Services
San Jose, CA 50-249 Verified
The Project
AI Agents $50,000 to $199,999 July 2024 - Jan. 2025
5
Quality 5 Schedule 5 Cost 5 Willing to Refer 5
The Review

Custom Software Development for Digital Logistics Platform

“Diffco's work resulted in faster new shipping partner integrations, improved system performance, and a more scalable backend infrastructure. This helped onboard new merchants quickly and enhanced the platform's reliability. Diffco delivered high-quality w”

4 weeks ago
Feedback Summary

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.

The Reviewer
M
Mitchell Nikitin IT Services
San Jose, CA 50-249 Verified
The Project
Mobile App Development $200,000 to $999,999 May 2022 - Ongoing
5
Quality 5 Schedule 5 Cost 5 Willing to Refer 5
The Review

Web & Mobile App Development for Testing Platform Company

“Diffco has deployed the project with minimal bugs and post-launch issues. The team is extremely helpful and responds to the client's updates quickly. Diffco has optimized workflows and delivered the project on time, showing their commitment to simplify th”

4 weeks ago
Feedback Summary

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.

The Reviewer
K
Kamilla Hawkins Development
San Jose, CA 50-249 Verified
The Project
Software Development $200,000 to $999,999 Nov. 2022 - Ongoing
5
Quality 5 Schedule 5 Cost 5 Willing to Refer 5
The Review

Web & Software Dev for Cloud-Based Performance Testing Firm

“Diffco's diligent efforts have resulted in the timely and budget-friendly delivery of the app. By employing Agile methodology, they have maintained a seamless workflow. Their collaborative, innovative, and customer-centric approach make the partnership su”

4 weeks ago
Feedback Summary

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.

The Reviewer
Y
Yurii Kovalov Development
San Jose, CA 50-249 Verified

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