bluesBrackets - Custom Software Development Services

Custom Software

Development

Fintech
Startups

Full-Cycle Software Development for Growth Sectors

At bluesBrackets, we specialize in end-to-end custom software development services tailored to help innovative businesses excel in IoT, fintech, and startup sectors. Our strength is secure, compliant, and scalable delivery for fast-moving markets.

Key Technologies Powering Business Outcomes

Java
Spring Boot
React

From Embedded to Cloud: Solutions That Scale

Our expertise spans custom Java development, scalable cloud architectures, and embedded systems for industries like healthcare, digital finance, and automotive. We empower CTOs and product owners to quickly deliver robust, market-ready products.

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

Empowering CTOs, Product Owners, and Founders

With a strong focus on security, compliance, and rapid delivery, we give stakeholders full transparency and control. Our agile process helps drive idea validation, MVP launches, and the growth trajectories in fintech and IoT.

Custom Software Development Service

Leverage our track record in delivering complex, business-critical applications optimized for security, compliance, and scalability—whether you’re launching a new product or enhancing an existing platform. We support end-to-end software delivery, integration, and ongoing partnership.

Custom Java Software Development

Entrust your backend systems to Java and Spring Boot experts with deep experience in enterprise-grade solutions, real-time data processing, and secure cloud deployments. We deliver reliable, scalable Java software for critical business applications.

IoT & Embedded Systems Development

Accelerate your IoT roadmap with embedded Bluetooth, NRF, and STM32 expertise for device manufacturing, healthcare, logistics, and smart mobility solutions. We unlock new market opportunities for connected devices and secure data pipelines.

Fintech Software Development Services

Launch secure, compliant fintech products with end-to-end software development tailored to PSD2 and GDPR requirements—including solutions for digital banking, payments, and wealth management. We build robust, scalable fintech platforms.

UX/UI & Mobile App Development

Elevate user experiences with seamless design, native Android/iOS apps, and fullstack solutions powered by React and Node.js. We integrate UX/UI expertise for compelling, intuitive mobile applications that delight business users.

End-to-End Software Development for Startups

De-risk your MVP launch with integrated design, development, and cloud deployment, backed by agile delivery and transparent communication at every stage. We help startups reach product-market fit and scale efficiently.

Why Choose bluesBrackets for Your Development Needs

IoT MedTech Solution

Designed and deployed a Bluetooth-enabled patient monitoring platform using embedded STM32 & NRF for real-time data processing and secure cloud integration. Our custom software development service addressed connectivity and data privacy needs in healthcare.

Fintech Platform Launch

Delivered a PSD2-compliant banking application using Java, Spring Boot, and robust data security measures, supporting large-scale transactional volumes. This custom fintech software development provided regulatory compliance and enterprise reliability.

Startup MVP Accelerator

Partnered with a funded healthtech startup to deliver an MVP in 12 weeks—a fullstack React/Node.js and mobile solution, including UI/UX and cloud deployment. Our end-to-end software development for startups enabled rapid market entry.

Embedded & Mobile Automotive Software

Built embedded and mobile solutions for smart vehicles, diagnostics, and fleet management. Leveraged STM32 and Bluetooth protocols to support real-time automotive data processing and smart mobility use cases.

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

Industries We Accelerate: IoT, Fintech, and Beyond

We serve Internet of Things (IoT), fintech and digital banking, startups, healthcare and MedTech, and automotive sectors. Each engagement is tailored—from custom Java software development to embedded systems and mobile apps—to compliance, security, and industry requirements.

How long does custom software development take?
Timelines vary by project scope and complexity. For most MVPs and startup launches, bluesBrackets delivers working solutions in 8–12 weeks. Large-scale enterprise or IoT projects may require phased delivery over several months, always with clear milestones.
What’s the typical cost for custom Java or IoT development?
Our pricing is flexible and competitive, offering 30% cost savings compared to Western EU providers without compromising on quality, security, or compliance. Detailed estimates are provided upfront based on project needs and resource requirements.
How do you ensure compliance for fintech and IoT projects?
Our end-to-end development process integrates PSD2, GDPR, and other industry standards—including dedicated security and compliance reviews—at every project phase. We embed regulatory controls for business continuity from day one.
What industries do you serve with your custom solutions?
bluesBrackets serves startups, fintech, digital banking, IoT, healthcare, MedTech, automotive, and mobility sectors. Services include custom software development service, UX/UI, embedded, and mobile app development tailored to industry challenges.
Who delivers the projects at bluesBrackets?
Our Poland-based team unites senior engineers, product strategists, and designers with deep technical expertise. We focus on transparency, technical rigor, and long-term partnerships that drive reliable custom software results for business stakeholders.

Ready to Accelerate Your Software Project?

Book a complimentary consultation to discuss your custom development needs, timelines, and ROI. Let bluesBrackets deliver secure, scalable solutions for startups, fintech, and IoT innovation.

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