Real Clients. Real Results.
‍Zero Downtime.

150M+ monthly visitors served. 1M+ app downloads. 800% SEO growth. See how complete Next.js optimization transforms revenue-critical applications.

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TRUSTED BY

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CookUnity company logo

Revenue-Critical Subscription Funnel + Next.js Migration

From 4-second loads to sub-second conversions

A 3-month Next.js migration that delivered 70% LCP improvement and double-digit conversion gains for CookUnity's revenue-critical subscription funnel.

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Speechmatics company logo

Performance Bottlenecks > High-Performance Marketing Platform

Improved Core Web Vitals, SEO & Analytics

Took full frontend ownership of Speechmatics' website — optimizing performance, restructuring navigation, and stabilizing analytics to create a scalable marketing platform for their AI speech recognition technology.

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Homepage hero of Iberion website
Iberion company logo

15 WordPress Sites > Zero-Downtime Migration

30% PERFORMANCE BOOST, 150M+ MONTHLY VISITS

Migrated 15 WordPress sites to centralized headless Next.js with perfect SEO scores and zero downtime.

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Homepage hero of Unreal Estate website
Unreal Estate company logo

4-Month MVP Deadline > 3M Real-Time Offers

800% SEO GROWTH, 50% COST SAVINGS

Delivered complete marketplace platform with 3M real-time property listings and 50% savings on broker fees.

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Dropsy company logo

Fashion Startup Concept > #1 Streetwear App

1M+ DOWNLOADS, 4.7★ RATING

Built cross-platform React Native app achieving 250K users in month one and Poland's top streetwear app ranking.

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Encoura company logo

Several Days Per Page > 1-2 Hours Development

10X FASTER PAGE CREATION

Modernized platform with headless CMS, reducing page development from days to 1-2 hours.

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Homepage hero of Vibes platform website
Vibes company logo

Frontend Scalability Gap > Modern User Experience

Faster development + advanced segmentation

Implemented BFF architecture with reusable packages and data-rich dashboards, enabling autonomous development and quicker platform expansion.

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Homepage hero of Planday website
Planday company logo

Manual Content Bottlenecks > Scalable Global Content Operations

3X DEMO REQUEST GROWTH

Complete website migration from Builder to Hygraph with automated multilingual workflows — enabling Planday's marketing team to publish independently across European markets and driving 3x growth in demo requests.

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Homepage hero of Arthur website
ArthurAI company logo

Fragmented Frontend Applications > Unified Platform

8 hours to 10 minutes onboarding

Unified separate codebases into single repository, increasing ARR through 48x faster customer onboarding.

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"Blazity’s work has increased the client's annual recurring revenue. They have demonstrated excellent project management, provided a TPM that helps manage the engineers, and seamlessly integrated into the client's product team. Blazity has provided gritty, knowledgeable, and talented engineers."

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Zach Fry
CTO

"Their knowledge of JavaScript APIs is outstanding and sets them apart from their competitors."

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Justin Tannenbaum
VP of Engineering

"Blazity completed the project on time, meeting expectations. They improved the website’s performance and made it easier to operate and develop, which unlocked growth opportunities."

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Frederic Linfjärd
Director of Growth

"Team at Blazity presented an incredible attention to detail. Their response time is definitely something that stands out."

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Jan Kruś
Co-founder

"I fully trust Blazity to come up with the right solution and implement it correctly with minimal supervision."

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Tom Young
Digital Marketing Manager

"Blazity not only helped us successfully modernize our marketing website technology, they also improved website performance and boosted engagement across the site. Their team was responsive and supportive, helping us follow agile methodology to manage the project on time and on budget."

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Andrew Swenson
Sr. Marketing Director

"We had a very specific skillset requirement of frontend web development. Blazity is filled with outstanding engineers who have chosen to focus on this skillset."

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Brian Garofola
CTO
WHY BLAZITY?
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Trust Before Engagement

Test our OSS libraries, check our partners, talk to our clients—before you commit.

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Expertise That Goes Deep

100% Next.js. Enterprise-grade. Frontend, infrastructure, architecture.

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Ownership, Not Tasks

Engineers who think like owners. Proactive, accountable, quality-obsessed.

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Partnership That Makes You Stronger

We build your capability, not your dependency.

CONTACT US

Start with the problem. We'll get to the architecture.

Describe your project and an architect will get back with a straight take on what's worth doing and where to start. 12-hour response time.

TRUSTED BY
“Not sure if it's an AI agent problem, a workflow problem, or an architecture problem? We'll figure it out in one call.”
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Jakub Czapski
Co-founder & COO @ Blazity
The Controller of your personal data is Blazity Sp. z o.o. with its registered office at Warsaw, Poland, who processes your personal data for marketing purposes. You have the right to data access, rectification, erasure, restriction and portability, object to processing and to lodge a complaint with a supervisory authority. For detailed information, please refer to the Privacy Policy.
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