bluesBrackets - Poland’s Leading Java Software House

Hire Top Java

Developers

Java
Experts

Gain a Competitive Advantage with Poland-Based Java Teams

Gain a competitive advantage with bluesBrackets, a specialized Java software house in Poland. Hire Java developers for secure, scalable custom solutions—UI/UX design, React and Node.js integration, and embedded Bluetooth projects.

Our Technology Stack for Java Software Development

Java
Spring Boot
React
Node.js
NRF
STM32
ESP
APIs
Microservices
Bluetooth
IoT
React Native
Automated Testing
Code Reviews

Comprehensive Java Development and Outsourcing Services

Access pre-vetted Java developers for rapid project acceleration, tailored software, outsourcing or embedded Bluetooth and IoT solutions. Our cross-functional teams offer Java, React, and Node.js delivery.

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

Why Choose bluesBrackets: Expert, Efficient, EU-Compliant

Polish efficiency and EU quality from proven Java software teams. Risk-managed outsourcing, full IP protection, proactive risk management, and measurable business outcomes for startups and enterprises.

Hire Java Developers for Dedicated or Project-Based Needs

Access pre-vetted, dedicated Java experts for rapid project acceleration and long-term support. Streamline staffing and ensure expert contributions from day one—ideal for both startups and enterprise-level projects seeking proven Java talent.

Custom Java Software Development Including APIs and Microservices

Tailored Java solutions customized for enterprise applications, APIs, and scalable microservices leveraging Spring Boot. bluesBrackets delivers robust, future-ready backend systems aligning with security, compliance, and rapid growth.

Cost-Effective Java Development Outsourcing from Poland

Lower project costs and reduce delivery risks by outsourcing Java development to a specialized Polish team. Enjoy up to 40% savings with EU-level engineering standards, transparent engagement, and nearshore collaboration with key business hubs.

Fullstack Application Delivery: Java, React, Node.js

Cross-functional squads proficient in Java, React, and Node.js provide end-to-end product delivery. Integrate frontend and backend seamlessly for greater speed to market and enhanced user experience, ensuring product scalability.

Embedded Bluetooth and IoT Solutions (NRF, STM, ESP Systems)

Rely on deep expertise in embedded development—firmware for Bluetooth, NRF, STM, and ESP systems—delivering solutions for manufacturing, logistics, and healthcare. Streamline operations and reduce inventory errors through device integration.

Java Consulting Services: Architecture Reviews, Audits, Migration

Engage independent Java consulting services—architecture reviews, code audits, and migration paths to modern Java stacks. Benefit from best-in-class methodologies, code quality checks, and technical due diligence for enhanced stability.

Proven Results for Startups and Enterprises

MVP Delivery for EU Fintech

Assembled a dedicated Java team and delivered a scalable payment API in just 10 weeks. The project enabled the client to secure Series B funding and accelerated product market entry, showcasing rapid, secure enterprise Java delivery.

IIoT Bluetooth Solution for Logistics

Developed embedded firmware on STM32 and Bluetooth devices, reducing inventory errors by 47% for a leading logistics provider. Demonstrated expertise in Java integration with IoT, improving operational efficiency and traceability.

Cross-Platform Mobile App with Java Backend

Built a robust cross-platform React Native mobile application with a secure Java backend for a healthcare startup. Ensured EU compliance and enabled rapid, compliant healthcare data management for fast market entry.

Spring Boot Modernization for Enterprise

Provided Java consulting and code audits for modernizing legacy platforms to Spring Boot microservices, improving scalability, maintainability, and reducing technical debt across the client’s mission-critical applications.

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

Our Process: From Consulting to Efficient Delivery

We start with business needs assessment and technical due diligence, assemble dedicated Java teams quickly, execute in agile sprints with weekly reporting, and apply rigorous code reviews and automated testing. Flexible support and scaling ensure sustained success.

What is the typical cost to hire Java developers in Poland?
Our rates are 25–40% lower than Western Europe, with engagement options ranging from dedicated Java developer hires to flexible project-based outsourcing, ensuring cost-effectiveness for both startups and enterprises.
How do you ensure code quality in custom Java development?
All projects undergo thorough peer reviews, automated testing, and compliance with industry best practices—in particular, for Spring Boot microservices and secure API development. Quality assurance is built into every stage of delivery.
Can I outsource both development and embedded services to bluesBrackets?
Yes, bluesBrackets covers both Java application development and embedded Bluetooth/IoT solutions. Benefit from unified project management and delivery with all expertise available under one EU-compliant roof.
How quickly can you assemble a team for urgent projects?
Most clients can hire dedicated Java developers or launch a fullstack sprint team within two weeks. Our rapid team assembly process matches experts to your specific technology requirements and project timeline.
Is bluesBrackets compliant with EU privacy and security standards?
Absolutely—our processes and solutions adhere to GDPR, ISO, and all relevant local data protection mandates. EU compliance and robust security are maintained across custom Java development, outsourcing, and embedded projects.

Ready to Hire Java Developers or Discuss Your Project?

Contact our experts to explore custom Java software development, project outsourcing, or embedded system solutions.

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