Ivan Klyzhenko

Ivan Klyzhenko

UX Startup Advisor, UITOP

I’m Ivan, and I’ve been working in the tech industry for 8 years. Throughout my career, I’ve held various roles, including product manager, UI/UX designer, UX architect, and founder of a UX-first design agency focused on vertical B2B markets. Now, I’m a UX advisor and mentor for Techstars startups. My biggest achievement is building processes that enable our clients to achieve market fit and work with user feedback quickly and cost-effectively.

All articles written by Ivan Klyzhenko

    Right Tech Stack for a SaaS Product
    ProductDevelopment
    How to Choose the Right Tech Stack for a SaaS Product

    Every SaaS founder asks the same question sooner or later. What tech stack should we choose? At first, it sounds like a purely technical discussion. React or Angular? Node.js or Ruby? PostgreSQL or MongoDB? In reality, these questions come much later. But your tech stack influences almost every stage of your product's journey. It affects […]

    Aug 04, 2026
    / 17 min to read
    Top SaaS Development Companies for Startups
    StartupDevelopment
    Top SaaS Development Companies for Startups in 2026

    Choosing a SaaS development company is one of the biggest decisions a startup makes in its early years. The partner you pick can determine how the product feels to users and how well it handles growth later. So when selecting your development partner, it helps to look beyond development itself: at product approach, UX, architecture, […]

    Jul 10, 2026
    / 22 min to read
    Why Great UX Fails
    DesignProductDevelopment
    Why Great UX Fails Without Proper Development

    Some SaaS founders may believe that a beautiful, user-tested interface is the direct path to product success. They invest heavily in elite product design teams, map meticulous user journeys, and finalize stunning interactive prototypes. Yet, when the live software reaches production, onboarding metrics can drop, churn can increase, and the support queue may start filling […]

    Jun 24, 2026
    / 10 min to read
    Best Web App Development Companies
    ProductDevelopment
    Best Web App Development Companies for Complex SaaS Platforms

    If you're building a CRM, an analytics platform, or an internal operational tool that hundreds of people will rely on daily, picking a development partner is one of the decisions that will either hold your product together or quietly undermine it for years. The challenge is that most web app development companies look the same […]

    Jun 04, 2026
    / 19 min to read
    Mobile UX in Enterprise SaaS
    DesignProduct
    Mobile UX in Enterprise SaaS: Designing for Field Teams and Operational Workflows

    Enterprise SaaS has long since moved beyond the office. Warehouse managers log into the system right next to the shelves. Service technicians record data from their phones on-site. Sales reps process orders in their cars between meetings. All of this is the everyday reality for a wide range of B2B products. The challenge lies elsewhere: […]

    May 14, 2026
    / 15 min to read
    When SaaS Products Become Too Complex: How to Simplify Without Losing Power
    DesignProductDevelopment
    When SaaS Products Become Too Complex: How to Simplify Without Losing Power

    As SaaS products grow, they almost always become more complex. What starts as a clean, focused tool slowly turns into a system filled with new features, advanced settings, and multiple workflows. At first, this feels like progress; it seems that more functionality means more value. But it's not always the case. Over time, many SaaS […]

    Apr 25, 2026
    / 15 min to read