bluesBrackets - Integration & System Testing Experts

Award-Winning Software

House

Mobile
Testing

Excellence in Product Design, Embedded, and Fullstack Engineering

bluesBrackets delivers high-impact software solutions for organizations demanding excellence in UX/UI design, custom mobile app development, fullstack engineering, and embedded systems. As a trusted partner to CTOs and product owners, we ensure reliable outcomes.

Specialized Tech Stack for Modern Product Delivery

React
Node.js
Spring Boot

Comprehensive Software Lifecycle Expertise for Startups and Enterprises

Our teams provide UI/UX, mobile, fullstack, and embedded expertise. From concept and strategy to system testing and QA, bluesBrackets supports startups and enterprises with scalable solutions for their exact business goals.

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

Integration and System Testing for Robust, Compliant Products

Functional, integration, and system testing are central to our QA process. By combining all three methods, we ensure your digital products are stable, compliant, and fully market-ready with minimal risk at launch.

UI/UX Design: Award-Winning Interfaces

Our UI/UX design team creates interfaces that distinguish your product, positioning bluesBrackets among Poland’s most trusted UI/UX design companies. Every project reflects modern usability, branding, and accessibility standards.

Custom Mobile App Development (Poland)

Cross-platform mobile applications, developed by experienced teams you can hire for React Native projects. We support your concept from initial design to deployment in Apple and Android stores—always tailored to your product roadmap.

Fullstack Engineering: Spring Boot, Node, React

Our fullstack developers in Spring Boot, Node.js, and React deliver robust, enterprise-grade products. Teams adapt to your preferred stack and processes, prioritizing scalability, code quality, and maintainability.

Embedded Systems & Bluetooth Product Development

We develop embedded software and Bluetooth-enabled solutions for IoT, medical, and industrial applications, leveraging proven platforms like NRF, STM, and ESP. All systems go through rigorous integration and system testing.

Comprehensive QA & Software Testing

From functional and integration testing to system testing services, bluesBrackets’ end-to-end QA process aligns with international standards, minimizing risk and enabling secure, stable product releases—even in high-assurance industries.

Full-Cycle Agile Product Delivery

Our approach blends agile methods with continuous integration and validation. Clients benefit from transparent project management, iterative releases, and predictable schedules, enabling faster time-to-market for key business goals.

Specialized Services Aligned to Industry Use Cases

Healthcare IoT: Embedded Bluetooth for Medical Devices

We drive embedded Bluetooth product development—enabling wireless medical devices that are fully tested and certified. Our engineers follow compliance-oriented processes, supporting regulatory approval and product safety.

Enterprise SaaS: Fullstack Delivery with Rigorous QA

bluesBrackets implements Spring Boot, Node, and React for enterprise SaaS applications, integrating functional, integration, and system testing. This ensures robust performance, security, and user experience at scale.

Industrial Automation: Embedded Systems for Real-Time Control

For industrial clients, we develop and validate embedded systems that optimize real-time performance and reliability—even in mission-critical, high-availability environments. Our methods ensure minimum downtime and maximum control.

Startup Launches: Poland-Based UI/UX and Mobile Teams

Startups accelerate validation and scale with our UI/UX design and custom app development teams. We combine agile methodology with deep experience to assist rapid product development and MVP releases affordably.

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

Certified Processes and Trusted by CTOs and Product Owners

Our software engineering teams in Poland are certified in ISO-compliant QA. bluesBrackets is a recognized partner for startups and global enterprises alike, with testimonials showing proven impact on product quality and speed to market.

What is the difference between functional and integration testing?
Functional testing checks if individual features work as specified; integration testing ensures that all components work together smoothly in the broader system. Both are essential for comprehensive product quality assurance.
When should I choose integration testing vs system testing?
Integration testing is best for identifying issues when modules interact; system testing verifies end-to-end operation in its intended environment. Both types are critical and should be part of every launch roadmap.
How do functional and integration testing impact product reliability?
Layered QA—performing functional, integration, and system testing in sequence—reduces undetected defects and delivers stable, compliant software. This approach improves reliability and reduces post-release risk.
Why outsource QA and development to a Polish software house?
Poland offers access to world-class engineering talent, agile methodologies, and cost efficiencies. bluesBrackets combines quality with compliance and partners successfully with enterprise and startup clients.
What are the benefits of embedded Bluetooth product development?
Expertise in embedded Bluetooth enables secure IoT products with faster certification and lower integration risk. We deliver solutions that are reliable, scalable, and fully tested for your business-critical applications.

Ready to Build Better, Launch Faster, and Reduce Risk?

Let bluesBrackets guide your next project—from UI/UX design to full-cycle development and expert integration and system testing for total reliability and business impact.

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