bluesBrackets - Custom Web App Development Services

Build High-Performance Web

Apps

IoT products
Mobile Apps
Embedded SW
Enterprise

Empower your business with scalable digital products

At bluesBrackets, we empower startups and enterprises to gain a critical edge through advanced web application development, robust fullstack engineering, and embedded systems expertise—backed by a 30% cost advantage.

Tools & Technologies for Custom Web and Embedded Development

React
React Native
Node.js
Spring Boot
Bluetooth LE
STM32
NRF52
ESP32
AWS
Docker
Kubernetes
Figma
AI Tools
ARKit
iOS
Android
Low-code
Microservices
Cloud
WCAG 2.2
GDPR
Java
PostgreSQL
REST API

Harness Poland's top 10% software talent for your projects

Our expert team combines AI-driven UX/UI design, scalable fullstack development, and IoT embedded systems for digital solutions that drive measurable growth—dedicated to rapid deployment and enterprise-grade reliability.

Truly appreciated

I'm overly excited about our project and the nice progress we're making. With this progess I feel quite convinced we'll complete the products in time. Thanks for your hard work and dedication. Truly appreciated 👍Egil B.A. - Hearing aid company

Reliable Partner

Based on our experience so far, we can assure that this is a reliable partner, making informed and appropriate decisions, and operating in accordance with the latest standards.Agnieszka K.Alloweat - a dietary startup

We Value Professional Relationships

We are happy to recommend working with Blues Brackets because we highly value their professional relationships and their ability to act responsibly, systematically, quickly, and accurately.Tomek R.NAOKKO - a furniture industry startup

Attention to Detail

With this letter, I would like to provide a reference for Blues Brackets for their diligent and committed work on projects that were completed with attention to the smallest details and admirable punctuality.Michał B.Codelab - software house

Accelerate your time-to-market and reduce costs by 30%

Achieve cost efficiency with our hybrid pro-code and low-code workflows, agile processes, and experienced delivery—providing scalable SaaS platforms, MVPs, and IoT solutions faster and at optimal value.

End-to-End Custom Web App Development

Experience end-to-end custom web app development tailored to your business goals. From ideation through continuous support, we employ best practices in security, scalability, and compliance—ensuring your application stands out in a competitive landscape.

AI-Powered UX/UI Design for Engagement and Compliance

Leverage AI-powered UX/UI design adapting to your users and reducing bounce rates. We create intuitive, accessible interfaces following WCAG 2.2, helping maximize engagement while meeting regulatory needs for startups and enterprises.

Enterprise-Grade Fullstack Development

Rely on robust fullstack development with React, Node.js, and Spring Boot for scalable, enterprise-grade applications. Modular architectures support legacy modernization, microservices, and seamless cloud integration.

Embedded Systems for IoT and Industry

Bring your vision to life with embedded systems development on Bluetooth Low Energy, NRF52, STM32, and ESP32. Our firmware and hardware expertise covers smart medical, industrial IoT, and compliance-driven solutions.

Cross-Platform Mobile App Development

Win mobile markets with cross-platform apps for iOS and Android, built using React Native and native stacks. We incorporate AR, AI, and BLE, enabling faster launches for competitive digital products.

Compliance-First, Secure Delivery

Our Poland-based specialists ensure every solution meets GDPR, WCAG 2.2 accessibility, and sector-specific requirements from day one—minimizing risk and supporting global expansion for SaaS, IoT, and enterprise products.

Why Choose bluesBrackets for Custom Web App Development?

Global Expertise and Hybrid Delivery

Work with an elite, Poland-based software team recognized for technical excellence and reliability. Our hybrid pro-code and low-code method accelerates delivery while maintaining enterprise-grade standards in web, mobile, and IoT development.

Cost-Efficiency for Every Project

Reduce software development costs by up to 30% compared to Western Europe or the US—ensuring no compromise on expertise or outcomes, whether for MVPs, SaaS, or embedded platforms.

Speed to Market Without Sacrificing Quality

Launch innovative products up to 40% faster via established processes, parallel prototyping, and dedicated project management—accelerating digital transformation for high-growth ventures.

Scalability and Long-Term Compliance Readiness

Future-proof your investment with modular architectures designed to handle scaling, integration, and evolving business needs—while achieving ongoing compliance with GDPR, accessibility, and sector regulations.

Case Study

We increase efficiency and solve key business problems by creating advanced technological solutions tailored to your needs.

Student listening to a lecture using a device supporting hard of hearing children with BLE Audio

Embedded

BLE Audio for better learning access

We supported Audinor, a company developing innovative hearing aid technologies, in building a BLE Audio device for hard of hearing children. The solution helps improve classroom communication and equal access to education in schools and kindergartens through cutting-edge wireless audio transmission.

Jun 22, 2024 — 7 min read

View of the airport terminal with passenger check-in counters

Automation

App for managing tourist transport

We helped Mr. Shuttle, a professional tour operator, build an application for managing tourist and business transport services. The solution supports airport transfers, intercity routes, and day trips — improving logistics and client experience in the travel industry.

Nov 20, 2023 — 6 min read

Emerging Trends in Web and IoT Product Development

Emerging trends are reshaping web app and product development. Businesses demand AI-driven UX/UI, hybrid code solutions for faster MVPs, and embedded systems for connected experiences. Poland's developers lead with AI interfaces, advanced Bluetooth/IoT systems, and accessible designs—preparing your application for future standards and compliance.

What does a custom web app development project cost?
Costs vary by complexity, required features, and compliance needs. Most of our business-ready solutions for startups and enterprises range from €20,000–€200,000, with transparent estimates and no hidden fees.
How fast can my product go live?
Our streamlined process and parallel development approach allow MVPs to launch in as little as 8–12 weeks, with enterprise solutions typically delivered in 3–6 months, depending on scope.
How do you ensure security and compliance?
We build with security and GDPR in mind, follow WCAG 2.2 accessibility standards, and maintain best practices in data protection, code review, and continuous testing for every project.
Can you modernize my legacy systems?
Yes. We specialize in migrating monolithic systems to scalable, modern architectures using Spring Boot, React, and cloud-native solutions without business disruption.
Do you support long-term maintenance?
Our partnership extends beyond launch—offering proactive monitoring, feature enhancements, and continuous support so your application evolves with your business.

Ready to accelerate your project?

Schedule a free consultation with our senior architects and discover how bluesBrackets can deliver faster, smarter, and more cost-effective digital solutions for your business.

At Blues Brackets we solve real business challenges with the latest and proven technology.

Let's talk

<mail>hello@bluesbrackets.com

<phone>+48 535 462 678

Let's meet

Kraków, PolandWrocław, PolandWarszawa, Poland

Contact

Blues Brackets sp. z o. o.NIP 8842824071REGON 527681035