Connecting over a million monthly users to Philips smart home appliances
We created a seamless connected experience across Philips home devices
Java software development company
When scalability, security, and cross-platform compatibility are your priorities.
You-focused Java development services
At Infinum, we don’t just build software; we support your business by developing the best tools for you. As a Java software development company, we offer enterprise solutions for backend infrastructure, legacy system upgrades, and more.
If you’re looking for long-term solutions within powerful ecosystems, we are the custom Java development experts for you.
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Our Java software development services
Java backend development
Support your solution with a powerful architecture. We build Java backends from the ground up, collaborating and conferring with you every step of the way.
We build backends for everything from enterprise platforms and mobile apps to complex web applications. Our builds deliver the performance and reliability your users expect.
Whether a custom build or a refactoring, your infrastructure is built to be future-proof. It can easily be scaled up as your business expands.
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Custom backend architecture for web and mobile applications
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Microservices-based and monolithic Java systems
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API development using REST, GraphQL, and HATEOAS
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Cloud-native Java solutions (AWS, Azure, GCP)
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Backend code refactoring and performance optimization
Enterprise Java solutions
Deliver performance at scale. We help you build enterprise-grade Java solutions to support complex operations, high user volumes, and evolving business needs.
Ensure seamless integration with internal systems and third-party platforms without compromising security or stability. Our solutions include custom-built APIs to give your enterprise architecture the flexibility and discoverability it needs to stay future-ready.
Our deployment strategies and automation solutions help your organization move faster without sacrificing reliability.
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Scalable enterprise platforms with Java at the core
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Seamless integration with ERP, CRM, and legacy enterprise systems
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Custom API development using Spring Boot & HATEOAS
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Secure infrastructure for high-load business applications
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CI/CD pipelines and Infrastructure-as-Code for streamlined deployment
Java modernization and legacy system upgrades
Reduce technical debt and improve performance. If you’re working with a legacy Java application, we bring it up to date safely and efficiently. A code audit helps us understand your current setup and pain points. We help you refactor critical modules and replace outdated frameworks. We can also assist in migrating your infrastructure to the cloud. System modernization enhances security. It allows new integrations and features without disrupting parts of the system that still work.
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Technical audits and architecture reviews
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Refactoring and code cleanup
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Framework and dependency upgrades (e.g. Spring, Java versions)
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Database optimization
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Migration to cloud-native infrastructure
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Reducing cost by leveraging cloud-managed services
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Security hardening and compliance checks
Our end-to-end Java application development services
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Product strategy and design
Every successful Java application starts with careful planning, and for us, that begins with understanding your goals. We identify your technical requirements and create a roadmap that aligns your vision with our expertise. Regardless of which Java development service you need, we’ll help you define the right path forward.
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Design and development
We have a dedicated team of Java engineers who are proficient in the language and its most powerful frameworks. This team was established in 2018 and is made up of “people who don’t take things too seriously and still manage to enjoy their work and be as professional as possible.” They build scalable, high-performing applications that comply with standards and can meet future demands.
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Built-in security
Security isn’t an afterthought in our development process—it’s built in from day one. We are ISO-certified, so your product will be designed to withstand common threats, from injection attacks to authentication flaws. However, we also offer cybersecurity testing as a service for both the products we build and any third-party applications you want to be sure of. As a result, we are very familiar with the prevalent vulnerabilities and address them as your product is being built.
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Integration
Your systems need to talk to each other, especially if they are built on a microservice-based architecture. The best way to do so is with APIs. We build custom APIs to integrate your Java applications with internal tools, third-party platforms, and legacy systems.
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Data and analytics
A digital product cannot be release-and-forget. You need to update it, adding new features to meet customer demands and fixing bugs as they come to light. Our development approach includes smart ways to track performance and user behavior. With built-in analytics and monitoring, you’ll get clear insights into what your users want and need. This helps you evolve and improve your product strategically, not just based on guesswork.
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Ongoing support
While your product belongs to you, the responsibility of maintaining it does not have to be yours. Once your product is live, our Java team can provide you with the support it needs. We offer long-term maintenance and performance tuning to help keep everything running smoothly.
Java technologies we use
AWS services we use
The outcomes we deliver through Java development
Build for scale
Java is designed to handle complexity and high user volumes. Whether you’re building enterprise software or a system running continuous background processes, this platform delivers consistent performance under pressure, so your product works smoothly and reliably at any size.
Ensure long-term stability
Java applications are known to be dependable and maintainable. They are easy to evolve and support, which reduces the risk of costly rewrites or breakdowns later on.
Enhance security and compliance
With Java, you get built-in safety features and mature security frameworks. As such, it is a strong choice for applications that deal with sensitive data or need to adhere to compliance standards. Combine that with our secure development practices, and your system is protected by design.
Maximize integration flexibility
Need your product to connect with legacy systems, cloud services, or third-party APIs? Java’s ecosystem and cross-platform capabilities make it ideal for building systems that play well with others, regardless of how complex your stack is.
Future-proof your product
Java isn’t going anywhere. It’s a language backed by decades of enterprise adoption and constant innovation. When you build with Java, you’re choosing a foundation that won’t hold you back as your business grows or technologies shift.
Why choose Infinum as your custom Java software development company?
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Deep Java expertise, proven across industries
From mobile banking platforms to large-scale enterprise systems, our Java team has built reliable, high-performance solutions for complex real-world problems. We’re not just fluent in Java—we understand how to use it to solve business challenges.
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Collaborative Java developers with a product mindset
We work closely with you to align technical decisions with your business goals. Our developers don’t just write code—they collaborate across design, QA, DevOps, and product strategy to deliver well-rounded digital products that work for you.
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Modern practices, mature tooling
Our team follows best practices and delivers clean, semantically correct code. We use tools like Docker to make your app easily deployable across environments, while CI/CD pipelines ensure your product is frequently updated without breaking it. Finally, we use performance monitoring to catch issues early, so your code stays fast, clean, and future-proof.
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Security built in, not bolted on
Your business can’t afford to take shortcuts when it comes to application security. We understand and support that. Our Java systems are designed with security at their core. We adhere strictly to data protection standards and secure development lifecycles. Even the APIs we build for you are threat-resistant.
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Backed by 20 years of engineering leadership
Infinum started as a development-first company and added on design and support as part of its offerings over time. Two decades later, engineering excellence is still at the heart of what we do. When you partner with us, you’re backed by a team that’s built and scaled products used by millions.
Companies that trusted us with their Java software development
Our long-standing partnership with Philips and our contribution to high app store ratings highlight our design expertise. Our team’s role in supporting Philips has been crucial in reinforcing its digital presence in the industry.
Our collaboration on the Infobip website and documentation included migrating old content and enhancing the site’s functionality and user experience, with a focus on SEO and performance optimization.
In cooperation with ProductionPro’s team, we built a digital tool for streamlining creative collaboration in film, TV, and theater productions. Today it’s trusted and used by Hollywood’s biggest studios.
We joined forces with Vontobel’s back-end development team to make an SEO-powered, smooth-running website. As a result of our work, the client saw improvement in speed, reliability, and user engagement.
Our innovative user research for VNS Health’s Command Center has revolutionized their workflow. The insights and new experience maps we provided have significantly improved their operational processes.
Telecommunications service provider A1 partnered with us to reimagine the customer experience for all their users. Based on mobile, we designed and built a modular product that fully adapts to their needs.
We created a new kind of mobile banking experience for the Croatian Postal Bank, the largest local bank in Croatia. Together we keep innovating, enhancing user experience, and introducing new possibilities for customers.
Signify is the market leader and innovator in all things lighting. We created a digital product that harnesses the full power of Signify’s cutting-edge lighting hardware.
Why our clients love working with us
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Our culture of communication
We have dedicated points of contact who stay in touch with you at every stage of the development. Clients feel that working with us combines the personal touch of a small company with the resources of a larger one.
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Our years of experience
As a development company, we have over 20 years of experience. Our Java team is almost a decade old. In that time, we have worked on, and successfully delivered diverse Java development projects. We know what we are doing and are happy to guide you.
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Our involvement in your project
As a service provider, we listen closely to what you want. However, as experts in this field, we are not shy about telling you what we think. We don’t just passively work on a brief from you. We actively contribute to the discussion, giving our thoughts on how to best achieve your objectives through your digital product development.
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Our Agile way of working
In a competitive business environment, speed is often of the essence. However, faster development should not come at the cost of performance and reliability. We use the Agile system along with strong CI/CD pipelines to launch your MVP in weeks instead of months, without compromising on best practices or product quality.
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Our full-lifecycle development process
We are a one-stop shop for all your Java software development needs, from conceptualization to post-launch support. You do not need to go from vendor to vendor for different aspects of your product development; get them all here, with us.
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Our code quality
High-quality code is not just essential for maintainability and scalability; it also keeps you from getting vendor-locked. With the level of documentation and clean structure we provide, you are able to take your product to another development company at any point.
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Our focus on security
As we said earlier, application security is important here at Infinum. As an ISO-certified development company, we strictly follow safe and secure practices. At the same time, we also offer a cybersecurity service designed to verify the integrity and resilience of your applications. This keeps us up to date with current risks, a benefit that we can then transfer to you during the build process.
Our process
01 UNDERSTAND
Every successful Java project starts with clarity, and it’s not just about what you want in your product. We take the time to understand your users and your technical environment as well.This phase helps us clarify goals, define success metrics, and uncover any technical constraints. It’s not just about what the app should do; it’s about why it needs to exist and how it needs to perform.
02 SCOPE
The software design and technical plan serve as the foundation for your roadmap planning. We align the project’s technical scope with your goals and constraints, evaluating performance needs, data flows, and system dependencies. This helps us determine the right tech stack, infrastructure, and architectural approach.
03 BUILD
With the blueprint in place, our Java engineers begin development. We write clean, modular code and build out the core components using modern tooling and practices. Throughout this phase, we implement robust security, handle API integrations, and run continuous testing to ensure quality at every step.
04 DEPLOY
Speed and stability go hand in hand. With CI/CD pipelines and automated workflows, we deploy safely and iteratively. Releases are tested, validated, and ready for rollback if needed, so your product can move fast without introducing risk.
05 SCALE
We stay involved even after launch to monitor performance and gather user feedback. These insights are used to drive continuous improvements. Your Java application evolves with your business, while our team provides support, feature updates, and technical guidance.
Our work
Smart sustainable living enabled by a powerful AI solution
Leveraging machine learning to make a home smart.
The largest online conference platform for scientists
Promoting science and accelerating knowledge-sharing on a global level.
Retail execution tool used by winning brands
A seamless user experience that takes retail execution to the next level.
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