5Hz is a software engineering company that designs and builds digital products for businesses. From early MVPs to production systems used by real customers every day.
We actually listen. No corporate buzzword bingo or endless meetings - just real conversations about what you need and how we can build it right. Our team speaks fluent startup and enterprise, so whether you're bootstrapping your first MVP or scaling to millions of users, we can help you get it.
Founded in Lviv, Ukraine
Prepared to build your digital future
Full-cycle development from MVP to market-ready solutions
We celebrate wins like we just shipped the next unicorn - because hey, maybe we did.
From retention boosting interfaces and robust backend to secure blockchain solutions and intelligent automation, we engineer digital ecosystems that drive growth
Don't just take our word for it. Here's what our clients say about working with us.
Ben Goldhagen
CEO at Goldhagen LLC
5HZ has demonstrated exceptional expertise in designing a UX for a website that seamlessly integrates video, still photos, text, and user interactions. Their platform is both user-friendly and powerful, catering perfectly to professional needs.
Originally published on Clutch
Jan
CTO at BlockTech
5Hz delivered a high-quality solution that met the client's needs. The team demonstrated strong project management capabilities and provided weekly progress updates. They were flexible and adapted quickly when requirements changed. Moreover, their deep DeFi expertise was impressive.
Originally published on Clutch
Kyrylo Pankov
CEO at Atlaswork
5Hz's work has significantly improved the client's website, resulting in more than double the number of applications and better positioning, with the client ranking in the top three or top 10. The team has managed the project well and has demonstrated remarkable proactivity during the project. This review is an update by the client company. The original content is located below the new review.
Originally published on Clutch
Oleg Gudzovatyi
CEO at LLC Prosto Dobryi Khlib
5Hz delivered a high-quality e-commerce website, enabling the client to connect with customers and boost sales. The team provided excellent value for money during the project. Furthermore, internal stakeholders were particularly impressed with 5Hz's communication, timeliness, and project management.
Originally published on Clutch
Yulia Strypa
Buisness Owner at Fittest
5Hz successfully launched the website, meeting the client's expectations. The new site reflected the brand, improved usability and accessibility, streamlined communication, and provided a solid foundation for digital growth. The client praised 5Hz for their expertise and reliable project management.
Originally published on Clutch
A collective of forward-thinking leaders driving innovation, collaboration, and excellence across every project we take on.
CEO
10+ years
Head of Engineering
10+ years
Head of Design
10+ years
Business Development Lead
8+ years
Explore our recent work across different industries and technologies.
Khlib-Trade LLC
A premium e-commerce platform for a bakery brand, featuring online ordering, real-time inventory management, and automated delivery scheduling. Built to streamline operations and provide a smooth, reliable customer experience.
Built with
DeFi Trading
A rule-based on-chain trading bot that reacts to price-movement triggers and automates entries, rebalancing, and exits. It includes intelligent liquidity routing, dynamic slippage tolerance, and MEV-aware execution, optimized for the Base network.
Built with
Goldhagen LLC
The Steel Porcupine — a documentary film website built to create a trusted digital home for the film, stream it globally, educate viewers, and inspire meaningful awareness.
Built with
Grono Corporate LLC
Grono Corporate is a Ukrainian manufacturer of custom glass Christmas ornaments, helping businesses across Europe and the United States create unique branded holiday gifts. By blending traditional craftsmanship with modern branding solutions, Grono supports local artisans while scaling its presence globally.
Built with
We build digital products that support real teams and real businesses. If you're planning a new product, redesign, or platform upgrade, we'll help turn it into a clear roadmap and shipped releases.
A unified system for content, performance, and growth, crafted specifically for the 5Hz ecosystem.
Deep technical insights, best practices, and real-world solutions from our engineering team
Everything you need to know about working with our team. If you can't find an answer, we're always here to help.
Timelines depend on scope and complexity. Most projects run over several months and are delivered in 2-week sprints, so progress is visible and predictable from the start.
Our process covers discovery, design, development, testing, and launch, followed by ongoing support and improvements. You work with a dedicated project manager and have direct access to the engineering team throughout the project.
Both. We build MVPs for startups and scalable systems for established teams. You get clear sprints, transparent communication, and production-ready engineering standards at every stage.
Our web stack includes React and Next.js on the frontend and Laravel and Node.js on the backend. For blockchain development, we design and implement smart contracts, DeFi protocols, and Web3 applications across Ethereum, Polygon, Base, and Solana with a strong focus on security, performance, and real-world usage.
We communicate through Slack for day-to-day updates and schedule weekly video calls to review progress. You'll also have access to our project management system to follow every step in real time.
Payment terms are flexible and defined per project. We usually work with milestone-based payments and transparent agreements. Bank transfers and cryptocurrency are supported.
Yes. We support products after launch with structured maintenance and improvement plans, including bug fixes, monitoring, updates, and ongoing development as your product evolves.
Yes. We design and ship production-ready blockchain products, including smart contracts, DeFi protocols, and full Web3 applications, with a strong focus on security, performance, and real-world usage.
