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We are expert professionals. We can turn your business idea into a real software solution.

Diffco specializes in custom software development, creating and evolving solutions and products to fuel business growth. With decades of development experience, a deep understanding of global markets, and unmatched technical expertise, our team has everything you need to create great web service platforms, mobile applications, SaaS, and AI.

Top 5 AI developers
Top 10 Software Developers
Top Software Development Company
Top AI Agent Development Companies
Top Mobile App Developers
Top Software Developers California
Best Company To Work With
Top Web Development Companies
Top Mobile App Developers in USA
Top 5 Mobile App Developers in California
Top Custom Software Company
Most Reviewed B2B Firms in San Francisco
Top App Development Company San Jose
Top Mobile App Development Company
Top AI Company Palo Alto
Best in Industry
Top app developers in California
Top 50 Artificial Intelligence Company Firm
Top 10 Software Developers
Top iOS Developers

Services we provide

AI Engineering

We design and scale production-ready AI products for growth-oriented teams, utilizing leading models such as OpenAI, Anthropic, Gemini, Llama, Mistral, DeepSeek, Qwen, and more. We turn your data and roadmap into secure, measurable revenue and efficiency gains.
LLM
Tensorflow
Python
Computer Vision
Illustration of an orange cat using a laptop and saying "hello" in a speech bubble, representing chatbot or customer support.

Staff Augmentation

We provide senior engineers, AI/ML specialists, and dedicated teams that integrate seamlessly with your organization. They align with your goals and culture, operating as a true extension of your product and engineering teams.
Cultural fit
Top 1%
Instant hire
Illustration of a team collaborating around a task board, discussing ideas and working on laptops and tablets.

Frontend Development

We build modern, modular, high‑performance interfaces for web and mobile products. Our front-end teams deliver clean, responsive experiences that are tightly integrated with your back-end and AI features.
React
Angular
Electron
Next.js
Monitors and tablet displaying design software, accompanied by a stylus and cup, set against a transparent background.

Backend Development

We architect and implement robust, scalable back‑end platforms for SaaS, mobile apps, and enterprise systems. From high‑load APIs to data pipelines and AI infrastructure, we deliver secure, observable back-ends built for long‑term growth.
Node.js
Go
Python
C#
Java
Back-end development illustration.

Web Development

Our developers can create web solutions that are tailored to your needs, easy to manage with popular CMS, and which can be seamlessly integrated with your existing internal systems.
Contentful
Magento
WP
Shopify
Web development illustration.

Mobile Development

We specialize in developing native and cross-platform mobile applications for iOS and Android that integrate seamlessly with your tech stack and AI features to deliver fast, reliable user experiences.
Swift
React Native
Flutter
Kotlin
Mobile development illustration.

Our values

Clear communication
Clear communication

We build relationships based on integrity and trust, delivering on our promises and maintaining clear communication at all times.

Customer-Centric Approach
Customer-Centric Approach

We prioritize our clients' success, understand your unique needs, and deliver tailored solutions that drive your business growth.

Innovation and Excellence
Innovation and Excellence

As a team on the cutting edge of technology trends, we consistently deliver innovative, high-quality solutions.

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Our history

Processes

How we build

Development stage
Development stage

We develop your product in iterative substages, allowing for regular testing, feedback, and adjustments to ensure alignment with your expectations.

1

Design

2
Mobile development
3
Web development
4
Back-end development
5
AI development
6
QA
Continuous development and support
Continuous development and support

Post-launch, we provide ongoing support, troubleshoot issues, and develop additional features to keep your product up-to-date and valuable.

1
Launch
2
Support
3
Ongoing development

Our executive team

Vadim Peskov
Vadim
CEO
Vadim Peskov
CEO & Co-founder
Vadim is a co-founder of Diffco and an advisor at Alchemist Accelerator and various startups. As an expert in AI-enhanced applications, computer vision, cybersecurity, startups, and product design, Vadim is a frequent speaker at industry events.
Eugene Nasonov
Eugene
CTO
Eugene Nasonov
CTO & Co-founder
Eugene is a co-founder of Diffco and an expert in computer science, software development, software architecture, and server infrastructure. With more than 15 years of experience, he has worked closely with both global enterprises and startups.
Marko
Marko
PMO
Marko
PMO
Marko, a highly skilled senior project manager, 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.
Margo
Margo
Senior Recruiter
Margo
Senior Recruiter
With over 15 years of experience and a deep understanding of various technology domains, Margo has successfully recruited top talents in software development. Her industry knowledge and approach allow us to find the best talents to build a valuable product for our clients.

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Let’s build something
great together

We believe in turning ideas into reality and we're ready to join your journey. Reach out to us and let's start discussing your project.

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