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Hire the best Java Developers in Banja Luka, BA

Check out Java Developers in Banja Luka, BA with the skills you need for your next job.
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  • $40 hourly
    • 5.0/5
    • (16 jobs)
    Hello, I am Tarik Mujčić, a Full-Stack Software Developer with a strong focus on Java and Angular. Got a challenge ❓ I've got the solution ✅ I specialize in developing, fixing, optimizing, and delivering high-quality software solutions that streamline processes, enhance user experience, and provide reliable results. My goal is to create software that is both robust and user-friendly, effectively meeting your business needs with efficiency and precision. I am committed to delivering solutions on time ⌛, ensuring your project stays on track and achieves success 🎯 Skills and technologies I'm proficient at: ✅ Java/JEE, JavaFX ✅ Spring (MVC, AOP, Data, Security, Reactive...), Spring Boot ✅ Maven, Gradle ✅ JDBC, Hibernate ✅ TypeScript, Angular, HTML, CSS ✅ Database design and implementation ✅ PostgreSQL, MySQL, MSSQL, OracleSQL ✅ CI/CD tools (Jenkins, Nexus, GitHub actions, GitLab pipelines) ✅ Unit & Integration testing (JUnit, Mockito, Jasmine,...) ✅ REST APIs Feel free to reach out if you have any questions or would like to discuss how I can help with your project. I look forward to collaborating with you!
    Featured Skill Java
    CSS
    HTML
    API Development
    Angular
    C
    Database Management System
    Hibernate
    Desktop Application
    RESTful API
    Spring Boot
    Database
    RESTful Architecture
    MySQL
    PostgreSQL
  • $40 hourly
    • 5.0/5
    • (8 jobs)
    Researching, designing, implementing and managing software programs. Testing and evaluating new programs. Identifying areas for modification in existing programs and subsequently developing these modifications. Writing and implementing efficient code.
    Featured Skill Java
    Spring Cloud
    Web Design
    Spring Boot
    Java Servlet API
    Spring Framework
    Vaadin
    Spring MVC
    Jakarta Server Pages
    CSS
    CSS 3
    HTML5
    HTML
    Spring Data
    Spring Security
  • $40 hourly
    • 5.0/5
    • (1 job)
    I am a versatile Software Engineer and Data Scientist with a strong focus on Python development. My expertise spans across computer vision and natural language processing (NLP), applied to various domains and industries. Whether it's developing a machine learning model, integrating APIs, or optimizing data pipelines, I bring both technical proficiency and a keen eye for detail to every project. Let's collaborate to turn your ideas into impactful solutions.
    Featured Skill Java
    Database Design
    Data Visualization
    Data Analysis
    Convolutional Neural Network
    Machine Learning
    MySQL
    TensorFlow
    Classification
    Keras
    Microsoft SQL Server
    PyTorch
    Linear Regression
    Data Science
    Python
    C++
    Computer Vision
    C#
  • $80 hourly
    • 4.8/5
    • (24 jobs)
    Experienced Mobile Developer | 7+ Years of Excellence | 100% Job Success Rate Hi there! I’m Petar Suvajac, a seasoned software engineer specializing in mobile app development since 2017. With over 7 years of experience and a proven 100% job success rate on Upwork, I deliver robust, high-quality mobile solutions tailored to your needs. My expertise spans both native Android and iOS development and cross-platform solutions using Flutter SDK. From building scalable architectures to creating seamless user experiences and integrating advanced APIs, I bring precision and creativity to every project. Here’s what I bring to the table: Mobile Development > Native Android (Kotlin) and iOS (Swift) > Cross-platform solutions (Flutter SDK) > Declarative UI (Compose, SwiftUI, Widget), MVVM and MVI patterns > Adherence to the latest trends and best practices in mobile development Cloud & API integrations > Firebase and AWS products > RESTful APIs > JSON/XML for data structuring and exchange Programming Languages & Other Skills > Proficient in Kotlin, Swift, Java > Competent with HTML, CSS, JS, Node.JS, SQL, NoSql, Wordpress > Strong grasp of algorithms, data structures and design patterns > Expertise in system architecture 🚀 I have contributed to several mobile applications currently available on Google Play and the App Store. If you'd like a full list of published projects or my complete CV, feel free to reach out. I’m dedicated to delivering results that exceed expectations. Let’s collaborate to bring your ideas to life! Feel free to contact me anytime for job-related queries or even a friendly chat. Let’s create something amazing together!
    Featured Skill Java
    Software Design Pattern
    SwiftUI
    Mobile App Development
    Android App Development
    iOS Development
    Kotlin
    Firebase
    Flutter
    Android
    Swift
  • $40 hourly
    • 5.0/5
    • (11 jobs)
    Professional full stack software engineer with over 8 years of experience in various domains. Working with anything I find challenging and interesting - but primarily focused on React / React Native for the frontends and Java / Spring Framework for the backends. Will integrate your APIs any time.
    Featured Skill Java
    Data Scraping
    React Native
    Scripting
    RESTful Architecture
    Hibernate
    Python
    Spring Framework
    JavaScript
    React
    SQL
  • $40 hourly
    • 5.0/5
    • (4 jobs)
    Innovative Software Engineer with 5+ years of experience in developing software products. Proficient in developing efficient algorithms and debugging complex software. A responsible, hard-working, and highly motivated person who always likes to push beyond their limits. Accomplished Software Engineer with a proven track record of successful software projects in large corporate teams. Expertise in team leadership, mentoring, code reviews, and code architecture. Backend: Java, Spring Boot, RabbitMQ, JPA, JUnit, Maven Frontend: JavaScript, React.js, Redux, HTML & CSS, Material UI, Bootstrap Databases: SQL, PL/SQL, Oracle, MySql, PostgreSQL DevOps: Docker, Ansible, Traefik, Nginx Version Control: Git, Gerrit If you have a significant project, please feel free to get in touch.
    Featured Skill Java
    RabbitMQ
    Redux
    MySQL
    JUnit
    CSS
    JavaScript
    SQL
    Git
    HTML
    React
    Spring Boot
    Docker
    Oracle Database
    PostgreSQL
  • $25 hourly
    • 5.0/5
    • (1 job)
    I build applications that work perfectly on every device from one codebase for a faster and money saving development. Using Flutter or React Native I can update, refactor or build your whole application for a high quality, errorless and maintainable code. ✅ Fluent in English, Native in German and Serbian 💻 Cross-Plattform Development (Web/Desktop/Mobile/Embedded App) My services: - Application consulting - Requirements engineering - Desktop application development - Mobile application development - Web application development - Embedded device application development - API development - Code Refactoring/Improvements - Wire-framing for excellent UX design - Docker for platform independence - CI/CD The technology stack I use: - Technologies: Java, Dart, Flutter, React Native, React, Spring, MySql, Node.js, HTML5, CSS, Docker, Git version control system, - Devices: Smartphone, Tablet, Desktop, Web, Embedded Devices -OS: Android, IOS, MacOs, Windows, Linux Industries I have worked in: - Retail, Manufacturing, Logistics, Hospitality, Automotive, (looking for new industries to explore!) With my clients permission, I have showcased a few of the projects in the Portfolio section! If have any questions, feel free to contact me! I would be happy to discuss your ideas in a confidential and FREE consultation :)
    Featured Skill Java
    API Development
    API
    Desktop Application
    App Development
    Database
    Flutter
    Software Architecture
    Solution Architecture
    Software
    SQL
  • $15 hourly
    • 0.0/5
    • (0 jobs)
    I'm a backend developer experienced with making web applications and RESTfull API's. If you have an app that needs to be built i can help with that.
    Featured Skill Java
    RESTful API
    Spring Boot
    C++
    C
  • $8 hourly
    • 0.0/5
    • (0 jobs)
    Hi I'm a software developer with multiple years of experience. Im looking to do projects for very cheap
    Featured Skill Java
    App Development
    Android App Development
    Mobile Game
    Game Design
    Desktop Application
    C#
    C++
    Python
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