Product builder for startups

As an early-stage startup, time and resources are precious, and you've got big ambitions to turn your digital product dreams into reality. That's where we come in! We've got your back with our end-to-end web product development process, starting small and scaling smart. We're all about achieving big results with lean resources - just like you.

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Web Product Development

Vstorm partners with early-stage startups to build their digital products. We help achieve the goal with limited time and resources to move fast, effortlessly, and scale it easily.


Proof of concept is a demonstration of the feasibility of a product or solution in web product development and is typically used to prove that a concept is possible. It is a prototype developed to validate a concept or process and is usually done before any development or coding begins.


Minimum viable product (MVP) is a development technique in which a new product is introduced in the market with basic features, enough to get customer feedback for future product development. It is used to quickly launch a product, gather customer insights and validate a product idea quickly before investing time and money in development

Rescue mission

In software development, a rescue mission involves identifying, addressing, and resolving issues in projects that are struggling or have failed due to various challenges, be they technical, strategic, or organizational. So, remember, when software projects hit a snag, don't panic; reach out to a rescue mission team - they're your tech superheroes ready to help you save the day!

Product maintenance and support

We provide ongoing improvements to web product development, bug fixes, and assistance for users to ensure the software is reliable and secure. It involves tasks such as regularly checking for software updates, addressing user inquiries and troubleshooting any issues that may arise.

How the web product development lifecycle looks like?

A web product development lifecycle consists of 9 distinct phases. The main ones are initiation, planning, execution, monitoring, and closure. They combine to turn a project idea into a working product.

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Strategic alignment: We collaborate with you to define your vision and the problem your product aims to solve. We set clear goals, identify your target audience, and chart out the expectations from the PoC.

Market Research and Analysis: Our team dives into market studies, competitor analysis, and potential user insights. We check your idea’s viability, validating the concept and its demand in the market.

Technical Feasibility Assessment: We assess the technical requirements, resources, and technology stack needed for the PoC. We ensure that the execution is practical and aligned with your project’s constraints.

Design and Prototyping: Starting from basic sketches, we craft a prototype that demonstrates the functionality and usability of your idea. Then we  turn your vision into a tangible model.

Development: Our developers work to build a minimal functional version of your product. In alignment with the objectives laid out at the project’s inception.

Testing: Rigorous tests are conducted to uncover and rectify any issues. All in order to ensure your product works as intended and offers a seamless user experience.

Evaluation and Feedback: We present the PoC to stakeholders and potential users. We collect valuable feedback that can help refine the product further.

Revision and Improvement: Feedback drives improvement. Based on the evaluations, we iterate on the PoC to refine and enhance your product.

Documentation and Presentation: We document our processes, findings, and improvements.  We  prepare a comprehensive presentation, helping you showcase the value and potential of your product to stakeholders or potential investors.

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Key technologies and tools for Web Product Development

Explore key technologies and tools in digital product development

Python is a powerful programming language that is widely used in data project development. It is an interpreted language, meaning that it can run without being compiled. This makes it easier to debug and maintain code.

Python is popular for data projects. It is because it has a wide range of libraries and frameworks that are useful for data manipulation and analysis. It also supports several popular data formats, including CSV, JSON, XML, and HDF5. Python makes it easy to process data from various sources and can be used to create data visualizations. Python uses Jupyter® Notebook to access data sources to explore reading and writing data.

Pandas DataFrames make manipulating your data easy, from selecting or replacing columns and indices to reshaping your data. It is a popular Python package for data science, and with good reason. It offers powerful, expressive and flexible data structures that make data manipulation and analysis easy, among many other things.

D3 is a JavaScript library and framework for creating visualizations. It creates visualizations by binding the data and graphical elements to the Document Object Model. D3 associates (binding) the data (stuff you want to visualize) with the DOM. This allows the user to manipulate, change or add to the DOM.

SQL (Structured Query Language) is a powerful language used to store, manipulate and retrieve data from databases. It is used in many data projects, including data warehousing, data lakes, data integration, data management, and big data analytics. SQL is used to define and create database objects such as tables, views, and stored procedures.

It is a flexible language that can be used to create, manipulate, and analyze data from multiple sources. With SQL, data professionals can easily create database objects, query data, and create reports.

Keras is an open source deep learning library written in Python. It is capable of running on top of TensorFlow, Microsoft Cognitive Toolkit, or Theano. Keras was designed to enable fast experimentation with deep neural networks, and focuses on being user-friendly, modular, and extensible. It was developed as part of the research effort of the project ONEIROS (Open-ended Neuro-Electronic Intelligent Robot Operating System).

Keras is used for building deep learning models, primarily for applications. It is used in areas such as computer vision and natural language processing. Keras provides a set of high-level APIs that are used to construct and train models. It provides a high-level and easy-to-use interface to the underlying computational libraries, making it easy to build complex neural networks.

TensorFlow is an open source software library for numerical computation using data flow graphs. It was originally developed by researchers and engineers working on the Google Brain Team. It was done within Google’s Machine Intelligence research organization for machine learning and deep neural networks research.

TensorFlow is used for a wide variety of applications. Such as image recognition, natural language processing, and even for self-driving cars. It is also used for training, deploying, and managing neural networks.

JavaScript, the magic wand for web developers, partners with HTML and CSS to handle dynamic content, multimedia controls. It enables developers to change webpage elements based on user actions, automate web tasks, and personalize user experiences. With its versatility and integration with APIs, frameworks, and libraries, JavaScript supports front-end, back-end, game, and mobile app development. In the thrilling adventure of web development, JavaScript is the trusty sidekick that helps create amazing things!

Vue.js is a robust JavaScript framework for web and project development, offering a progressive approach to building Single Page Applications (SPAs). It integrates with other libraries for added functionality, such as routing and state management, allowing developers to enhance their applications as needed. One of its unique characteristics is the use of Single File Components (SFCs), which contain templates, scripts, and CSS in one file, providing a neatly organized structure to the code. Vue.js simplifies the development process with tools like Vue CLI and Vue.js Devtools, making testing and debugging more efficient. It also offers various setup options to cater to different project needs. With Vue.js, developers can create dynamic, modular, and highly interactive web applications.

Progressive Web Applications (PWAs) play a pivotal role in the modern web development landscape. Essentially, a PWA is a web application that uses standard web technologies but provides an experience akin to a native app. This means it can run on any platform with a compatible browser and provides a user experience that is more immersive and responsive compared to a traditional web application.

What sets PWAs apart is their ability to work offline, thanks to service workers, which allow caching and background tasks. They also employ the App Shell Model for quicker loading times and provide functionalities such as push notifications, and hardware access. Additionally, PWAs can be made installable and can even have their colors customized, display badges, and more.

From a development perspective, PWAs offer a lot of advantages like lower development costs compared to platform-specific apps, improved user engagement, and smaller file sizes . And due to the technologies they’re built with (HTML, CSS, JavaScript), front-end developers can use their existing skills, or even leverage frameworks like React to develop PWAs .

Overall, PWAs blend the strengths of web and native applications, providing users with a seamless, native-like experience while also reaping the benefits of web technologies, such as ease of distribution and cross-platform functionality. This makes PWAs a go-to choice for many developers when building modern web applications.

Venture Builder synergy for early-stage startups

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Venture Builder

We created Ventures21 to help startups grow faster. Using our multi-disciplinary skill set, we invest our knowledge, experience, ideas, and infrastructure to help entrepreneurs create and scale Generative AI & tech startups in exchange for small equity. We are a founder’s friend who helps strategically, operationally, and technologically.

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Why choose Vstorm?

Strategic alignment & support

Here at our company, we genuinely understand the value of strategic alignment, particularly for startups. We're committed to providing support and assistance, working together with your team to ensure a cohesive approach towards your goals. With us, your startup is in capable hands.

Time to market

A startup's 'time to market' is a real game-changer. Being quick on your feet, introducing your cool new product to customers faster than others can, gives you a chance to ride the wave of innovation and grab a piece of the market pie before anyone else!


Scalability is a dream attribute for startups. It's all about having the potential to upsize your operations, reach, or impact without a hitch, so when your startup hits gold, you can ride that success all the way to the top.


Flexibility is a key perk for startups collaborating with companies. With flexible arrangements, startups can pivot quickly based on market demands, adapt swiftly to new opportunities, and modify their strategies on-the-go, giving them a critical edge in a rapidly evolving business landscape.


Transparency stands as another major benefit for startups when they partner with established companies. Open communication channels and clear sharing of information, code and solutions, foster a trust-based relationship, ensuring startups have all the insights they need to make informed decisions, enhancing their ability to navigate challenges and seize opportunities.

Product development success stories


Product Development in healthcare

Glucoactive is a Research and Development start-up, with an estimated worth of above 6 million euros, feautered on Tech Crunch.  It is working on a revolutionary medical care product that will change the way we treat diabetes.

The objective is to better manage data, facilitate the R&D process (both for the current device and those in the future), including support for data analysis, and maximize the quality of the resulting data.

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Product development in E-commerce

WoodWatch has been named to the FT1000, the Financial Times ranking of Europe’s fastest-growing companies and listed by Forbes. Business intelligence software gave Customer’s teams a bird’s-eye perspective of the data.  It mattered to them and helped them distill the information into actionable insights.

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Web product development for MentalTech

Successful visualizations on the front end improve the capacity to recognize and understand patterns presented in information displays. Only this way can you build an ecosystem that gives you the most reliable data and the clearest, easiest-to-understand insights. Based on it, MindSonar users can make smart decisions, including about key personnel, which might determine the future of the organization.

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One of the key outcomes of this engagement has been the successful application of generative AI to facilitate collaboration. Vstorm’s feedback-driven approach led to significant improvements in project execution and efficiency, overcoming initial challenges and demonstrating our ability to adapt and innovate in a rapidly evolving tech landscape.

Managing Director, Sonorys Technology GmbH

This partnership has allowed Sonorys to enhance its R&D capabilities and meet its project goals efficiently.

Global Director, MindSonar

Their knowledge, eye for detail, and willingness to commit was impressive. Vstorm’s delivery is – due to the scrum and the sprints – very systematic. They are transparent in what they do and who does it and how many hours it takes.

R&D Center Manager, Viessmann

The team’s top-notch support boosts efficiencies and saves the client a lot of time and money.

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Generative AI Development

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Generative AI - integrations, customisations, fine-tuning and other

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Is there room for collaboration? Talk to a real person!

Antoni Kozelski CEO & Co-founder

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