Intecfy | Freelance Java Recruitment Agency

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Hire freelance Java developers in Europe

Struggling to find skilled Java developers? Intecfy connects you with Europe’s top pre-vetted freelancers, ready to work on your project. Whether you need to scale your team, build enterprise solutions or enhance your backend systems, we ensure fast & hassle-free hiring for your needs.

    Meet Our Top Java Freelance Experts

    Trusted Java Freelancers

    Our network of Java freelancers includes highly skilled developers who have consistently delivered exceptional results for clients across various industries. Explore below some of the top Java freelancers who have contributed to successful projects and exceeded client expectations.

    Fernando S. Senior Java Developer Intecfy

    Fernando S. 🇪🇸

    Senior Java Developer

    + 8 years experience

    Spring Boot
    Hibernate
    REST APIs
    Microservices
    Docker
    Kubernetes

    ✅ Verified professional

    Thomas V. Enterprise Java Architect Intecfy

    Thomas V. 🇳🇱

    Enterprise Java Architect

    + 9 years experience

    Java SE
    Spring MVC
    Hibernate
    SQL
    RabbitMQ
    Google Cloud

    ✅ Verified professional

    Sophia B. Java Backend Specialist Intecfy

    Sophia B. 🇨🇿

    Java Backend Specialist

    + 7 years experience

    Java EE
    Spring
    Apache Kafka
    Oracle DB
    AWS
    Maven

    ✅ Verified professional

    Luca R. FullStack Java Developer Intecfy

    Luca R. 🇮🇹

    FullStack Java Developer

    + 11 years experience

    Spring Boot
    Angular
    Node.js
    MongoDB
    ElasticSearch
    Jenkins

    ✅ Verified professional

    Numbers

    Our Java candidates database

    At Intecfy, we take a data-driven approach to IT recruitment, ensuring you connect with the right Java professionals fast. With +3500+ vetted Java freelancers, a 96% hiring success rate and an average match time of 14 days, we help companies to build strong and scalable tech teams.

    +3500

    Our network of pre-vetted Java freelancers across Europe

    +125

    Java projects successfully staffed with top-tier freelancers


    96% Success rate in hiring within the first 14 days

    84% of our Java developers have more than 5 years experience

    Development (backend & full-stack developers) 75 %
    Fintech & Banking / SaaS & E-commerce / Enterprise Solutions 40 %
    DevOps & Cloud (Java engineers specializing in AWS, Azure, Kubernetes). 15 %
    AI & Data Science (Java professionals with experience in AI/ML, Big Data) 10 %
    Consulting & Project Management (Java tech leads & consultants) 5 %
    TAILORED TO YOUR NEEDS

    Expert Java Developers for Specialized Projects

    At Intecfy, we excel in identifying and recruiting top-tier freelance Java developers to meet your project’s unique demands. Our network of Java professionals is ready to deliver specialized solutions across various domains, ensuring your project’s success through technical excellence and innovative approaches.

    Our recruited developers specialize in crafting dynamic, scalable and secure web applications using Java. They employ frameworks such as Spring MVC and JavaServer Faces (JSF) to build responsive user interfaces and robust backend systems. Their expertise includes integrating RESTful APIs, managing sessions and implementing security measures to ensure seamless user experiences and efficient performance.

    We connect you with professionals adept at developing enterprise-grade applications tailored to your business needs. Leveraging Java EE technologies like Enterprise JavaBeans (EJB), Java Persistence API (JPA) and Java Message Service (JMS), they design scalable architectures that support high transaction volumes and complex workflows, ensuring data consistency and operational efficiency.

    Our network includes experts in developing high-performance mobile applications for Android platforms. Proficient in Java and Android SDKs, they create intuitive interfaces and implement features such as offline capabilities, push notifications and hardware integrations. Their applications are optimized for performance and compatibility across various devices and OS versions.

    We recruit developers skilled in building cloud-native applications using Java. Familiar with platforms like AWS, Google Cloud and Azure, they design applications that are scalable, resilient and cost-effective. Implementing microservices architectures, containerization with Docker and orchestration with Kubernetes, they ensure your applications can handle varying loads and maintain high availability.

    Our freelance consultants specialize in decomposing monolithic applications into microservices, enhancing modularity and maintainability. They use frameworks like Spring Boot and Dropwizard to develop independent services that communicate through APIs. This approach allows for targeted scaling, easier debugging and faster deployment cycles, adapting swiftly to changing business requirements

    We provide access to developers proficient in designing and implementing robust APIs for seamless integration with third-party services. Using tools like Swagger and Postman, they ensure APIs are well-documented, secure and efficient. This facilitates interoperability between diverse systems, enabling functionalities such as payment processing, social media integration and data synchronization.

    Our experts assist in migrating legacy systems to modern Java-based platforms. They conduct thorough assessments to plan and execute migrations with minimal disruption. This includes updating outdated codebases, refactoring for performance improvements and adopting contemporary frameworks and libraries, thereby extending the lifespan and enhancing the capabilities of your applications.

    We connect you with professionals experienced in leveraging Java for big data processing. Using technologies like Apache Hadoop, Spark and Kafka, they develop solutions capable of handling vast datasets. These solutions enable real-time analytics, data mining and machine learning applications, providing insights that drive informed decision-making.

    Our network includes developers skilled in creating Internet of Things (IoT) applications using Java. They design systems that facilitate communication between devices, sensors and cloud services. Implementing protocols like MQTT and CoAP, they ensure secure data transmission and real-time processing, supporting applications in smart homes, industrial automation and wearable technology.

    We recruit freelance developers proficient in using Java for game development. Employing libraries and engines such as Lightweight Java Game Library (LWJGL) and jMonkeyEngine, they create engaging 2D and 3D games. Their expertise includes physics simulation, graphics rendering and multiplayer networking, delivering immersive gaming experiences across platforms.

    Our consultants specialize in implementing DevOps practices tailored for Java applications. They set up continuous integration and deployment pipelines using tools like Jenkins, Maven and Git. This approach ensures automated testing, streamlined builds and efficient deployment processes, enhancing code quality and accelerating time-to-market.

    We provide access to professionals offering comprehensive support for Java applications. Services include performance monitoring, troubleshooting and regular updates. They utilize tools like JProfiler and New Relic to identify bottlenecks and ensure your applications run smoothly, maintaining optimal performance and reliability.

    EXPAND YOUR TECH STACK

    Key Java related technologies we cover

    Beyond Java, we specialize in recruiting experts in key technologies such as Spring Boot, Hibernate, Kubernetes, AWS, PostgreSQL and Apache Kafka. These technologies play a crucial role in modern software development, from building scalable backend systems to managing cloud infrastructure and handling real-time data processing. Whatever your project needs, we connect you with highly skilled professionals to help you scale efficiently.

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    POWERING INNOVATION WITH JAVA

    What is Java?

    Java is a powerful, scalable and platform-independent programming language used by leading companies worldwide. Known for its reliability & efficiency, Java powers everything from high-traffic web applications to enterprise software and IoT solutions.

    Java is one of the most widely used programming languages in the world, powering banking systems, large-scale e-commerce platforms, cloud-based applications and AI-driven solutions. With a ‘write once, run anywhere’ approach, Java ensures cross-platform compatibility, making it a top choice for businesses needing secure, high-performance and future-proof applications.

    Cross-Platform Compatibility (runs on any device with Java Virtual Machine – JVM)
    Scalability (used for everything from startups to enterprise-grade systems)
    Security (built-in protection like bytecode verification makes Java one of the safest languages)
    Rich Ecosystem (a vast collection of libraries & frameworks speeds up development)

    ESSENTIAL SKILLS FOR TOP JAVA TALENT

    Key skills of a Java developer

    💡 Hard skills

    ✔ Backend Development – Java developers build scalable and maintainable web applications, integrating frameworks like Spring Boot & Hibernate to optimize performance.
    ✔ Microservices & Cloud – Knowledge of Docker & Kubernetes enables Java developers to create modular and scalable cloud-based applications.
    ✔ Database Management – Expertise in SQL & NoSQL databases ensures fast and efficient data handling.
    ✔ Performance Optimization – Writing efficient algorithms & minimizing latency to improve system speed.
    ✔ Security & Testing – Implementing secure authentication, data encryption, and automated testing (CI/CD) to prevent vulnerabilities.

    🤝 Soft skills

    ✔ Problem-Solving Mindset – A Java developer needs to quickly debug issues, optimize system performance and implement scalable solutions under tight deadlines.
    ✔ Communication – Clearly explaining technical decisions to non-technical stakeholders, ensuring smooth team collaboration.
    ✔ Collaboration – Most Java projects follow Agile & Scrum, requiring developers to work closely with UX designers, product managers and testers.
    ✔ Adaptability – With new technologies emerging, Java developers must constantly upskill, learning new frameworks, DevOps tools and AI integrations.
    ✔ Attention to Detail – A single mistake in Java code can lead to performance bottlenecks or security vulnerabilities, so high attention to detail is critical.

    💰 Freelance Java Developer Hourly Rates

    Understanding the hourly rates for freelance Java developers across Europe is crucial for effective budgeting and project planning. Rates vary based on factors such as experience, location and project complexity. Here’s a comprehensive overview:

    Java Freelance Average Hourly Rates by Region

    – Western Europe (Belgium, Netherlands, Luxembourg, Germany, France, United Kingdom) typically range from 60€ to 110€ per hour
    – Southern Europe (Spain, Portugal, Italy, Greece) typically range from 40€ to 70 € per hour
    – Eastern Europe (Poland, Czech Republic, Romania, Bulgaria) typically range from 30 € and 60 € per hour

    Experience Level

    – Junior Java Developers (1-3 years): 25€ to 45€ per hour
    – Intermediate Java Developers (4-6 years): 45€ to 65 € per hour
    – Senior Java Developers (6+ years): 65€ to 110€ per hour

    Project Complexity

    – Simple Java Projects (e.g., marketing websites): 20€ to 60€ per hour
    – Complex Java Software Products (web or mobile apps): 50 € to 90€ per hour
    – Highly Specialized Java Projects (AI, machine learning): 75€ to 150€ per hour

    When planning your project, consider to determine a budget that aligns with your requirements and the expertise needed. Balancing experience, project complexity and geographical considerations will help you find the right freelance Java developer for your needs.

    CLEAR ANSWERS

    FAQs

    Whether you're a company looking to hire top-tier Java developers or a freelancer seeking exciting projects, we’ve got you covered. Here are answers to the most common questions to help you understand how Intecfy works and how we can support your goals.

    FAQs Companies

    At Intecfy, we carefully vet every freelancer before they join our network. Our selection process includes reviewing their experience, conducting technical assessments and verifying their past projects. We focus on matching you with Java professionals who have expertise in backend development, cloud solutions, microservices and enterprise-grade applications. This ensures that every freelancer we present is highly skilled and ready to contribute effectively to your team.

    Our hiring process is designed for efficiency. Once you share your requirements, we provide a shortlist of pre-vetted Java developers within a few days. From there, you can interview candidates, assess their fit and finalize the selection. Onboarding typically takes between 7 to 14 days, depending on project complexity. If you need urgent placements, we can often expedite the process to ensure minimal downtime for your business.

    Yes! We understand that different businesses have different needs. Whether you’re looking for short-term support, a long-term contractor or even a freelancer who could transition into a permanent role, we can accommodate your requirements. Our contracts are flexible, allowing you to scale up or down as your project demands change.

    We take pride in our matchmaking process but if a freelancer does not meet your expectations, we offer a hassle-free replacement guarantee. You can request a different developer at no extra cost, ensuring that your project stays on track with the right talent.

    Absolutely! Intecfy has a wide network of Java developers ready to join projects on short notice. Whether you need to scale your team due to increasing workloads, tight deadlines or new project requirements, we can quickly provide skilled professionals to ensure your team expansion.

    FAQs Candidates

    Finding your next freelance opportunity with Intecfy is easy. Start by browsing our jobs oppenings and applying with your CV. If your skills and experience align with our requirements, one of our recruiters will reach out for an initial interview. During this call, we’ll discuss your background, technical expertise, career goals and project preferences. If everything matches, you’ll be added to our exclusive network, where we’ll connect you with exciting opportunities that align with your skills and expectations.

    We work with companies across multiple industries, including fintech, healthcare, e-commerce and enterprise software. As a Java freelancer, you could work on scalable backend applications, cloud infrastructure, microservices or AI-driven solutions. Our projects range from short-term contracts to long-term engagements, allowing you to choose assignments that align with your expertise and career goals.

    We ensure timely and secure payments for all our freelancers. Depending on the project and client agreement, payments are processed monthly. Payments are made via direct bank transfers. You’ll always have full transparency on rates and payment schedules before starting a project.

    No. We offer both part-time and full-time opportunities. Whether you’re looking for a side project to complement your current job or want to transition into full-time freelancing, we have flexible options that suit your availability.

    If a project doesn’t go as expected, Intecfy provides support to help resolve any issues. We act as a mediator between you and the client, ensuring clear communication and fair resolutions. If necessary, we assist in renegotiating terms or finding an alternative project that better suits your skills and expectations. Our goal is to create a reliable and secure environment for freelancers to work with confidence.