MDMichal Dumnyč

Michal Dumnyč

Founder & DevOps engineer at Nextrey

Michal is the founder of Nextrey, a custom software studio, and runs its infrastructure and operations — servers, deployments, containers and CI/CD. He writes about how custom software is built, shipped and kept running for real-world clients.

Low-code or custom software for your business
7 min read

Low-Code or Custom Software for Your Business?

Low-code or custom software? How to compare speed, limits, operational risk, and cost based on the process the application needs to handle in practice.

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B2B application requirements spec without the fog
8 min read

B2B Application Requirements Spec Without the Fog

A requirements spec for a B2B application shows what to build first, where the risks are, and how to hand developers a brief that holds up in production. Without the extras.

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How to connect business systems without costly mistakes
7 min read

How to Connect Business Systems Without Costly Mistakes

A practical guide to connecting business systems: start with process and source of truth, then API, file export, or an integration layer, including outages and security.

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Which processes to automate first in a company
8 min read

Which Processes to Automate First in a Company

Learn which processes to automate first: by volume, error rate, customer impact, and data readiness, not by how loud the problem is inside the company.

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Warehouse system integration without blind spots
8 min read

Warehouse System Integration Without Blind Spots

Warehouse system integration connects the warehouse, e-commerce, ERP, and carriers. What decides success is data mapping, exceptions, monitoring, and room to grow.

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Limits of low-code platforms for B2B products
7 min read

Limits of Low-Code Platforms for B2B Products

The limits of low-code platforms show up when a system has to handle exceptions, integrations, and growth. Learn when custom development is the better fit for your B2B product.

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Security testing before you launch an app
3 min read

Security Testing Before You Launch an App

What to check before launch: access control, common web holes, dependencies, configs and logs. Practical security testing, not buzzwords.

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What to put in a SaaS privacy policy
3 min read

What to Put in a SaaS Privacy Policy

What a SaaS privacy policy should cover in plain terms: accounts, cookies, processors, GDPR basics, and when to bring in a lawyer.

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Ways to automate document processing
7 min read

Ways to Automate Document Processing

Ways to automate document processing: how to extract data from invoices, contracts, and forms, cut errors, and design a process that holds up in practice.

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When an MVP makes sense for a new digital product
7 min read

When an MVP Makes Sense for a New Digital Product

Find out when an MVP makes sense, what it should include, and when it's better to build a full product with operations, data, and room to grow.

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How to choose a technical partner for software
8 min read

How to Choose a Technical Partner for Software

How to choose a technical partner for software development? Practical questions, quality signals, and mistakes better caught before the project gets going.

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Outsourcing development or an in-house team for company growth
7 min read

Outsourcing Development or an In-House Team for Company Growth

Outsourcing development or an in-house team? Compare cost, speed, product knowledge, and ownership, then choose the model for your company's real stage without illusions.

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Most common MVP development mistakes and how to avoid them
7 min read

Most Common MVP Development Mistakes and How to Avoid Them

The most common MVP development mistakes stretch the path to market validation. How to set scope, avoid dead ends, and keep room for the next release.

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When custom software development makes sense
7 min read

When Custom Software Development Makes Sense

Custom software development makes sense when spreadsheets and off-the-shelf tools slow the company down. How to spot the right brief and scope. No empty promises.

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Before and after: official ÚPSVaR Excel downloads vs PersonálneAgentúry.sk license search showing a valid agency license in seconds.
4 min read

Public data is not a product

ÚPSVaR publishes employment agency licenses as Excel dumps. We turned three messy registries into a searchable product anyone can use in seconds. How Nextrey builds software from ugly real-world sources.

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How to digitalize business processes without chaos
7 min read

How to Digitalize Business Processes Without Chaos

A practical guide to digitalizing business processes: where to start, what to measure, and when a custom application beats a standard tool in day-to-day operations.

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When a custom B2B portal actually pays off
7 min read

When a Custom B2B Portal Actually Pays Off

A custom B2B portal unifies orders, pricing, documents, and your sales team's work. Learn when it makes sense, what it should include, and what matters in design and day-to-day use.

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How to design an MVP product that holds up
6 min read

How to Design an MVP Product That Holds Up

Learn how to design an MVP with a working core, clear scope, and a foundation for safe operation and further development, without unnecessary dead ends in practice.

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System API integration without unnecessary errors
7 min read

System API Integration Without Unnecessary Errors

System API integration connects data and processes. We show where errors come from, what to decide upfront, and how to build integrations that hold up in production.

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Custom software for a staffing agency
8 min read

Custom software for a staffing agency

Custom software for a staffing agency handles recruitment, sales and reporting in one system. When it makes sense and what it should actually include.

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SaaS platform management after launch without chaos
8 min read

SaaS platform management after launch without chaos

SaaS platform management after launch decides stability, performance and growth. What to watch after launch and when to tackle debt, support and further development.

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Web application maintenance and development in practice
6 min read

Web application maintenance and development in practice

Maintenance and development decide how a web application performs, stays secure and pays off. What to handle after launch and how to spot a good partner.

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How to choose a technology partner for your startup
7 min read

How to Choose a Technology Partner for Your Startup

A technology partner for startups isn't just a vendor. How to recognize a team that will build an MVP, handle product growth, and stay after launch.

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External development team for startups: when it makes sense
8 min read

External Development Team for Startups: When It Makes Sense

When is an external development team for startups better than hiring in-house? A practical look at speed, risk, product management, and long-term development.

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How to deploy AI in enterprise software the right way
7 min read

How to Deploy AI in Enterprise Software the Right Way

How to deploy AI in enterprise software without unnecessary dead ends. Where to start, what to verify, and when custom development and integration make sense.

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AI features for web applications without bloat
8 min read

AI Features for Web Applications Without Bloat

AI features for web applications only make sense when they solve real work. Where to start, what to choose, and what to watch for during development.

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Legacy application rewrite to a new system
8 min read

Legacy Application Rewrite to a New System

A legacy application rewrite to a new system only makes sense with the right approach. What to check, where risk lies, and how to reduce downtime.

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Legacy information system modernization
8 min read

Legacy Information System Modernization

Legacy information system modernization makes sense when the system holds the company back. When to rewrite, what to keep, and how to reduce risk during change.

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Mobile app development for business without costly mistakes
7 min read

Mobile App Development for Business Without Costly Mistakes

Mobile app development for business only makes sense when it solves a specific process, users, and return on investment. What to clarify before you start.

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How to build an MVP without unnecessary features
12 min read

How to Build an MVP Without Unnecessary Features

A practical guide to defining MVP scope, validating the design with a prototype, and building a first version without unnecessary cost.

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How much does MVP development cost and what changes the price
9 min read

How Much Does MVP Development Cost and What Changes the Price

How much does MVP development cost? It depends on scope, integrations and quality. See what makes up the price and where it pays off not to cut corners.

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SaaS application development without costly mistakes
9 min read

SaaS Application Development Without Costly Mistakes

SaaS application development isn't just about code. What drives cost, architecture, MVP and operations so the product can launch and keep growing.

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Custom web application development without illusions
9 min read

Custom Web Application Development Without Illusions

Custom web application development makes sense when you need a precise process, integrations and room to grow without the limits of an off-the-shelf tool.

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Have an idea for what to build?

We work with companies that need real software built and shipped, and often maintained afterwards. Tell us what you are planning and we'll tell you honestly how we'd approach it.

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