day10 / About us

Day10 is the company, we wish existed when we were building our previous companies.

Day10 is the company, we wish existed when we were building our previous companies.

Day10 is the company, we wish existed when we were building our previous companies.

We combine complementary expertise building unicorns in highly regulated, highly competitive domains and building global engineering forces of thousands. We founded Day10 because traditional development models cannot keep up with the AI shift.

We combine complementary expertise building unicorns in highly regulated, highly competitive domains and building global engineering forces of thousands. We founded Day10 because traditional development models cannot keep up with the AI shift.

/01

Who We Are

Co-founder

Konstantin

Tsybulko

01

15+ years delivering product and engineering services for hundreds of VC-backed companies

02

Scaled a dev agency from $35M → $200M ARR, 300 → 3,000+ engineers

03

Deep experience across AI, fintech, healthcare, and eCommerce

Co-founder

Yury
Yakubchyk

01

Serial founder and investor with a track record of building companies from zero to unicorn scale

02

Founded and incubated 20+ ventures collectively raising $400M+ from top-tier investors

03

Built and scaled multiple companies to nine-figure revenue

/02

Why Us

We’re not another consulting firm.
We’re an AI-first company that builds AI-first companies — faster, leaner, smarter.

We’re not another consulting firm. We’re an AI-first company that builds AI-first companies — faster, leaner, smarter.

We’re not another consulting firm. We’re an AI-first company that builds AI-first companies — faster, leaner, smarter.

/01

Al-native at our core

Al-native at our core

Transparent AI-first SDLC process: architecture decisions, traceability from spec to code

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We know how unicorns are built

We know how unicorns are built

We've built top startups backed by YC and top VC and growth funds

/03

Top AI-native talent, globally sourced

Top AI-native talent, globally sourced

We source exceptional builders globally who've shipped real products and treat AI as their default

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Value-based pricing

Value-based pricing

Outcome-based delivery with flat pod fees or a fixed-price model – not countless hours billed

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Obsessed with efficiency

Obsessed with efficiency

While others scale headcount, we scale output with AI-native, high-performance teams

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Vision

The era of human-centric software delivery is over. Code creation is commoditized. True value now lies in orchestration, agent architecture, and the speed at which teams can integrate AI into business workflows. In this new reality, companies are either AI-first or at risk of extinction.

The era of human-centric software delivery is over. Code creation is commoditized. True value now lies in orchestration, agent architecture, and the speed at which teams can integrate AI into business workflows. In this new reality, companies are either AI-first or at risk of extinction.

Engineers fluent in modern AI tools and AI-augmented workflows consistently outperform traditional senior developers regardless of their tenure. That’s why we focus on hiring ambitious, AI-native builders who learn fast, evolve constantly, and obsess over efficiency.

Engineers fluent in modern AI tools and AI-augmented workflows consistently outperform traditional senior developers regardless of their tenure. That’s why we focus on hiring ambitious, AI-native builders who learn fast, evolve constantly, and obsess over efficiency.

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The Solution

We’re designing the most efficient way to build software. Our approach replaces legacy service models with outcome-based engineering, shifting the focus from billable hours to high-velocity, value-based delivery.

By leveraging agent orchestration and top-tier talent, we build and re-architect business foundations to be AI-native by design. We do this to ensure our clients define the future rather than being consumed by it.

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Top talent

Our core value is a cost-effective service model that delivers high-end engineering without the Silicon Valley price tag.

01

The System

The System

We don’t bill for manual, repetitive coding. We use our own AI-orchestration to bypass the labor-intensive, repetitive grunt work. This allows one AI-augmented senior engineer to do the work of three developers on a traditional team.

02

The People

The People

Our team is nearshore, FAANG-caliber talent that is unattainable in the overheated US market. You get elite architectural depth in your time zone without geographic premiums or bidding wars.

03

The Mindset

The Mindset

Because our talent and tech radically compress development cycles, we don't hide behind hourly billing. We focus on your business goals, shifting the focus from billable hours to high-velocity, outcome-based delivery.

We help teams build AI-first companies from day one and re-architect existing businesses to operate at AI speed.

131 Spring Street

New York, NY 10012

2026 All rights reserved.

We help teams build AI-first companies from day one and re-architect existing businesses to operate at AI speed.

131 Spring Street

New York, NY 10012

2026 All rights reserved.

We help teams build AI-first companies from day one and re-architect existing businesses to operate at AI speed.

131 Spring Street

New York, NY 10012

2026 All rights reserved.