Java is a versatile, object-oriented programming language that is widely used for software development across various industries. Java Developers can help clients create anything from complex web applications to automated trading bots and mobile apps. With their advanced skills and knowledge, they can turn your vision into reality, providing you with tailored solutions that align with your business goals. Here are some recent projects that our expert Java Developers made real:
- Developing custom GUIs for existing codebases
- Creating encrypted, secure crypto apps
- Designing cross-platform audio merging tools for mobile devices
- Building sophisticated trading bots for the cryptocurrency market
- Implementing open-source virtual machines in C
- Collaborating as senior developers on large-scale Android projects
- Solving server request errors for mobile applications
- Running and optimizing code from Git repositories
- Designing and implementing web services for seamless integration
Hiring Java Developers on Freelancer.com gives you access to a global pool of talented professionals who can deliver high-quality solutions tailored to your needs. Our platform makes it easy and convenient to find, hire, and collaborate with skilled Java experts from around the world. So why wait? Bring your ideas to life by posting your own project and hiring a Java Developer on Freelancer.com today!Fra 269,288 tilbakemeldinger, klienter rangerer våre Java Developers 4.85 av 5 stjerner.
Ansett Java Developers
I'm in need of a reliable programador to create a mobile application for Android. The developer must be proficient in Java programming language and have experience in creating mobile apps. The ideal candidate should have strong problem-solving skills and a great attention to detail. They must also have an aptitude for developing clean, efficient code. This project requires someone who is organized, innovative, and possesses the ability to work within a tight deadline. Working collaboratively with others and excellent communication skills are highly valued. If you believe that you meet the requirements I've provided and are passionate about creating the best mobile application possible, please apply.
Walking a Maze The starting position for your jeroo will always be at location (1, 1). After running the maze, the jeroo should always end at the same position where it started. The catch is that Maze Island changes every time. Sometimes it is wider, sometimes narrower--the only constant is that it is rectangular and surrounded by water. Flowers can grow anywhere and everywhere on the island. Also, there may be up to ten nets located on the island, although there will never be a net at the starting position, (1, 1). Your Jeroo is guaranteed that there will always be enough available flowers on the island plus its starting flowers to disable every net. Further, you will have to write software tests to demonstrate your jeroo can handle this task. How to Walk a Maze While there are many st...
I am looking for a freelancer who can help me with a project that involves controlling street lights through an electrical box controled by smart swich and a GPRS system. The following are the requirements for this project: - Remote monitoring and control of street lights is necessary. - The preferred communication method for the GPRS system is through a mobile data connection. Ideal Skills and Experience: - Experience with GPRS systems. - Expirience in Modbus RS485 - Knowledge in remote monitoring and control of electrical systems. - Understanding of mobile data communication protocols. - Ability to troubleshoot and provide technical support remotely.
The project involves using Java and OpenCV to perform object segregation. Specifically, I will be segregating objects, for which I plan to employ machine learning algorithms for object recognition. The output I am expecting from this process will be in the form of measurements and separate objects. Image Resolution: 300 DPI
Developer should have React JS knowledge for frontend and Java for backend integrations. It would be dynamic website. We are looking for a developer to create an Education Tech Website Platform that will provide online courses and connect learners with Tech professionals. The ideal candidate will have experience in both front-end and back-end development, as well as expertise in designing Websites. Features: - Pre Recorded Lectures - Login via Google and Facebook - OAuth Integrations - Website Design - Database Handling Courses: - Both short-term and long-term courses The website will be a platform for learners to access comprehensive tech programs and skill-based courses. The developer should be able to create a user-friendly interface that allows learners to easily navigate the websi...
We need someone to help us fix some performance issues in our Native Android app written in Java/Kotlin. The issues are occurring specifically in our in-app features, causing slow loading times and navigation. We are looking for someone with experience in optimizing app performance, particularly in Native Android development. Ideal skills and experience for this job include: - Strong knowledge of Java/Kotlin and Native Android development - Experience with performance optimization and debugging - Familiarity with profiling tools such as Android Studio Profiler or Traceview - Understanding of memory management and CPU usage in Android apps - Knowledge of design patterns such as Model-View-Controller (MVC) or Model-View-ViewModel (MVVM) for organizing code - Ability to communicate effective...
Our app has a features that allow drivers to have vip membership which allow them to driver without paying any commissions so we have the feature on the user page and need to add it driver.
I am looking for a skilled developer to create a Launcher app for Android 10 and 11, with admin permission. You can make any demo app. Design is not important. Number of task need to be added to the app. 1. App must get admin permission 2. We should be able to set this app as default home app 3. We should be able to set this app as default launcher APP
Virtual Number with Pakistan Dialing Code for Personal Use I am looking for a freelancer who can provide me with a virtual number with Pakistan dialing code for personal use. I am not sure whether I need a local or toll-free number, so I am open to recommendations. The primary purpose of the virtual number is for personal use, so I am not looking for customer support or sales-related features. Instead, I require SMS capability to receive and send text messages. In terms of skills and experience, I am seeking someone who has: - Experience setting up virtual numbers with Pakistan dialing code - Knowledge of different virtual number providers and their features - Familiarity with SMS capability and its integration with virtual numbers If you have the necessary skills and experience, plea...
We are searching for an Android Developer With knowledge of Kotlin with a strong desire to push mobile technologies to their utmost. Expertise in Camera customization, we need to have the annotation + text editing on screen. Most of the work is done but previous developer not able to fix the annotation + preview screen issue. Annotation should be drawable like shared the reference app url. Code will be shared once we finalized. Apply then if you have experience in Annotate the object in Camera is managed by app. Best Example of annotation : Install this app and check how rectangle + circle + square is drag and having the delete option.
Es un servidor de rol de minecraft que esta en un futuro distópico y está ambientado en un estilo medieval (por ahora). La historia se desarrolla en un estilo de vida a la que la sociedad se ha adaptado debido a una serie de sucesos que los jugadores tendrán que descubrir. Necesitamos un programador que pudiera hacer las siguientes mecánicas dentro del servidor: -Parcelas comprables para tiendas -Dentro de los pueblos poder otorgar parcelas a cada individuo -Hacer diferentes misiones -NPC te habrán menú donde comprar objetos en su respectiva zonas (tabernas etc) -Hacer que si mueres, pierdes tu inventario, monedas, parcelas, etc, etc… (si mueres con un mob de un evento) Y que se haga un autoguardado de dicho inventario en caso de haber alg&...
I am looking for a mobile app developer to create a gaming app for the Android platform. The ideal candidate should have experience in developing action/adventure games. The app should be engaging, interactive and user-friendly. The developer should have expertise in game development frameworks and be able to implement features such as in-app purchases and social media integration. The app should be designed with high-quality graphics and animations. The developer should be able to work within a specified budget and timeline.
hey i need a dicord tool that works on python, i will insert proxies and tokens and or any captcha key and i need 3 things. Server joiner/leaver. User scraper in server. And mass dm to the users.
We are looking for a skilled developer to create a Custom AOSP ROM and applets, and assist with hardware integration. The purpose is to have a unique user interface and features, locking it down to perform only functions that we specify, whilst streamlining access to those functions. We have a specific list of features and customisations that we can discuss in greater detail. Broadly, we need a screen that can communicate with select smart home devices (lights, thermostats, locks, cameras). Later development will include adding controls for smart TV and possibly other devices. We can be flexible with hardware. We are happy to consider an inexpensive off-the-shelf tablet, or a bespoke system built on Raspberry Pi or similar. There will be multiple users and multiple units, so hardware c...
Hello dear freelancer i need a scriptmicroservice in (prefer python) that will take a list of phone numbers as input, and will check for each phone number whether it has telegramviberwhatsup on that number. the result should be a JSON that has an answer for each phone number.
Search Engine code restore on new server. As discussed.
I am looking for a mobile app developer who can create a UI design from Figma and integrate an existing API into the app. The ideal candidate should have experience in developing mobile apps for both iOS and Android platforms. The level of UI complexity required for the app is simple and minimalistic. The API is already developed and ready for integration.
I am looking for a programmer to design an XO game on Java. The game should be simple, with basic features and a basic GUI. The ideal candidate should have experience in Java programming and game development. The platform for the game is not specified. DEDICATED BUDGET 5 dollars and rqrd in 1 hour
I am looking for a Java developer to create a web application with an interactive UI. The ideal candidate should have experience in Java and web application development. The application should include user authentication and database integration. The main requirement is an interactive UI that is intuitive and easy to use.
Online Rummy App Development for Android We are looking for a developer who can create an online rummy app for Android. The app needs to be user-friendly and entertaining for all types of players. Our aim is to provide the best gaming experience to our users. Features: - In-app purchases and rewards system to increase user engagement - Real-time gameplay with smooth graphics and animations - Multiplayer mode for playing with friends or random players - Chat system for social interaction - Daily bonuses and challenges to keep the players motivated Ideal Skills and Experience: - Strong experience in Android app development - Proficient in Java and Android Studio - Good knowledge of game development and graphics - Experience in integrating in-app purchases and rewards system...
I am looking for a Java/Gradle/Git developer to work on a Desktop Application Development project. The ideal candidate should have experience in integrating an existing codebase into the project and be able to handle moderate complexity. Some of the required skills and experience for this job include: - Proficiency in Java, Gradle, and Git - Unit testing - Blackbox testing If you have the above skills and experience, please apply for this project.
I need a class jar that extracts the text for text fields and comboboxes from a one page interactive PDF. Can use PDFBox or any other free download JAVA PDF API (SpirePDF, Qoppa JavaPDF, and so on) . The extracted fields need to be posted to a derby db for later manipulation (Derby db File will be included). The PDF is an "exam" where the user selects the answer from the combo box pulldown selections. I will provide current base program jars (using Netbeans 17 and Zulu OpenJDK 17) and an empty class file with the needed variables and imports. Must keep the programming simple with sufficent comments explaning the main methods used.
Script to test calls - URGENT I am in need of a calling script for my business using Twilio/Vonage/Other API with the following requirements: 1. script needs to be able to call continuously until asked to be stopped. 2. script calls numbers continuously and randomly from a list of numbers. 3. script uses available numbers randomly to make the calls (numbers from Twilio/Vonage/Other API) 4. script needs to have the ability to set up the time of a call, and how long it should have the call open until it hangs up automatically. 5. script needs to have a very simple UI for setup and running it. Ideal Skills and Experience: - Expertise in creating and implementing calling scripts - Proficient in programming languages such as Python or Java - Knowledge of telecommunication systems and call ce...
In need of a skilled android developer to correct web view code for zoom SDK view in a one-page program in Java. The current issue is with the zoom functionality not working. I would like the zoom feature to be enabled by default. I am unsure of the current version of Android Studio and WebView being used. Ideal skills and experience for this job include proficiency in Java and Android Studio, experience with web view code and zoom SDK view, and attention to detail to ensure proper functionality.
I am looking for a Python developer to create a chatbot for my website that will primarily serve as a customer service tool. The chatbot will need to be trained using documents and user inputs to provide accurate and helpful responses. Platform: The chatbot will be integrated into my website. User Input Customization: The chatbot will need to have intermediate conversation handling capabilities to better serve my customers. Ideal Skills and Experience: - Proficiency in Python and chatbot development - Familiarity with Natural Language Processing (NLP) and machine learning concepts - Experience with chatbot deployment and integration on websites - Strong problem-solving and communication skills to ensure the chatbot meets my specific requirements.
We need Java, SpringBoot, AWS, Terraform and PostgresSQL experienced developer to work for 2 hours a day remotely. We will give 24 to 29k per month
Looking for expert android developer with extensive experience in JSON parsing, XML parsing, Layout Designing. I am not looking for just programmer but also work as my partner. I have some ideas to develop android apps. We are small Inhouse development team and wants to add one more android developer In my team.
Project Title: Edit Telegram App on Android I am looking for a freelancer who can help me edit the Telegram app on my Android phone. Specifically, I want to remove the search bar from the app. Skills and Experience Needed: - Experience with Android app development - Familiarity with the Telegram app - Ability to modify app settings Design Changes: - I do not have any specific design changes in mind, but I am open to suggestions. Timeline: - The timeline for this project is flexible, within a week. Deliverables: - I would like the freelancer to provide a solution and create a loom video to demonstrate the changes made to the app.
Con este proyecto mi idea es que me contraten para poder ayudarlos a programar su servidor de Minecraft o simplemente ser un Staff o moderador, ayudante lo que sea para ayudarlos y de la 1.16 para ariba
We are a technology company looking for a developer specializing in artificial intelligence, augmented reality and virtual reality . Our goal is to develop existing commercial projects on the ground into artificial intelligence for the owners of these projects . We require expertise in Natural Language Processing (NLP), Computer Vision, and Robotics. The intended use of the developed AI project is for Research and Development purposes. We prefer a developer with experience in programming languages such as Python or Java, but we are open to other platforms as well. The ideal candidate will possess exceptional problem-solving skills and will be able to provide creative solutions to complex problems.
I am looking for a freelancer to develop a cloud-based windows project management software that can help me manage my tasks efficiently. The specific features I require are task management, time tracking, and resource allocation. The ideal platform for the software would be a desktop application. Additionally, the software should be able to support 6-10 users. The software should integrate gmail, and WhatsApp functionalities. The ideal candidate for this job would have experience in developing similar project management software and be proficient in cloud-based technologies. They should also have expertise in desktop application development and be able to deliver the project within the specified deadline.
Title: Matching AI Algorithm Project for Marketplace I am looking for a freelancer who can help me develop an AI algorithm for my marketplace. The main goal of the algorithm is to match buyers and sellers. The level of customization required for the AI algorithm is basic. Skills and Experience: - Experience in AI development and programming - Knowledge of machine learning algorithms - Familiarity with marketplace platforms - Strong problem-solving skills - Ability to work independently and meet deadlines If you have experience in developing AI algorithms and are interested in this project, please submit your proposal.
Hello! My name is ANKIT, and I'm looking for a Minecraft mod developer to create a great mod for me. I had some specific ideas in mind for the mod I want to create, and I want it to be compatible with the latest Minecraft version. I want this mod to have some really cool features, particularly focusing on new gameplay mechanics. Beyond that, I would like the mod to have a fantasy theme. These factors are important to me, as I believe that it will greatly enhance the overall experience for players. I am looking for somebody who has the skill and experience to create this mod that meets my specifications. This project should also involve extensive testing to ensure that the mod is completely bug-free and well designed. With the right effort, I'm sure that this mod will be great f...
I am in need of an experienced Android Studio developer to assist me in fixing runtime errors and importing my project to another platform. I am currently experiencing runtime errors and need help identifying them. The ideal candidate should have experience in Android Studio and be able to work efficiently within an hour. Specific requirements include: - Identifying and fixing runtime errors in my current Android Studio project - Importing the project to another platform - Ability to work quickly and efficiently within an hour - Experience with Android Studio - Strong problem-solving skills and attention to detail
I am in need of an experienced Android Studio developer to fix build errors I am encountering. The exact error message will be provided, but it has been identified as a build error. The ideal candidate should have experience in: - Android Studio development - Troubleshooting build errors - Knowledge of the specific Android Studio version being used (version number will be provided) This project will require attention to detail and efficient problem-solving skills. Please only apply if you meet the requirements and have the necessary experience to complete the job successfully.
This app is published play store dec 2022, I am owner & developer Login and I have not source code. It apk built by flutter . Always welcome first good Rating Freelancer first priority I am looking for a developer who can convert an APK file to source code in a correct manner. The APK file is Version 4. I do not require any additional features or modifications in the source code, just conversion and Correct Manner to generate iOS Store SDK. Also Published forth Version apk file to Play Store. My preferred deadline for the project is 1 week. I have no idea Of cost amount bid. Please correct amount placed as your side correct bid, Ideal skills and experience: - Privious Apk Work is Flutter - Experience in converting APK files to source code - Knowledge of Flutter - Attention t...
Busco un programador con gran experiencia en AI para que pueda ayudarme a lllevar a cabo un desarrollo, se requiere que la persona que se postule hable español.
This app is published play store 2018, I am owner developer and I have not source code. It all built by flutter Always welcome first good Rating Freelancer first priority I am looking for a developer who can convert an APK file to source code in a correct manner. The APK file is Version 4. I do not require any additional features or modifications in the source code, just conversion and Correct Manner to generate iOS Store SDK. Also Published forth Version apk file to Play Store. My preferred deadline for the project is 1 week. I have idea Of amount bid placed as your side correct bid, Ideal skills and experience: - Privious Apk Work is Flutter - Experience in converting APK files to source code - Knowledge of Flutter - Attention to detail to ensure a correct conversionsbuit
I am looking for an experienced Google Blockly developer to help with a specific project that I have in mind. The ideal candidate should have intermediate levels of experience with the software. This project will require more than 2 weeks to complete. If you believe that you can provide the necessary skills and dedication to complete the task successfully, please get in touch with me! We will start with a simple project with <10 blocks and then once we are successful with it move onto a larger project in Blockly.
I am looking for an experienced Android developer to fix a simple bug in my AR measurement app. The bug is related to the length measurement feature and is currently affecting all devices. I need this fixed urgently, within 24 hours. The camera feature used to measure distance between points doesnt capture image to upload to server and I need list of files from firebase server in activity. If you have the necessary skills and experience, please apply with your proposal and relevant portfolio.
I am looking for an experienced programmer to develop an application for validating and converting my Excel files into CSV files. The application should be able to validate and convert all data types, including dates and special characters. I prefer the application to be developed in Python but other programming languages such as Java will also be considered. The size of the Excel files to be processed ranges from 1,000 to 10,000 rows. This project requires strong programming and data analytics skills. If you think you have the right skills for this, I would love to hear from you. Thanks!
Estou com uma extensão de atualizar a página para conseguir evento para X local, mas não posso estar olhando o tempo inteiro, então preciso de um software que me avise quando aparecer o texto que eu precise na tela (da vaga disponível.)
I am looking for someone who can assist me with connecting my MySQL server on Ubuntu to my web Java application. Specifically, I need help with creating a user in MySQL and setting up full access for the Java application to read, write, update, and delete data from the database. Ideal skills and experience for this project include: - Proficiency in MySQL and Java - Familiarity with Ubuntu server - Experience in setting up database access for Java applications - Strong problem-solving skills to troubleshoot any issues that may arise during the process.
I am seeking a freelancer who can integrate blockchain technology into both my document management system and property management. The ideal candidate should have experience in working with Hyperledger, as this is my preferred blockchain platform. The project requires the following features and functionalities: - Identity management - Smart contracts - Tokenization The successful candidate should be able to deliver a seamless integration of blockchain technology into my existing systems, ensuring the security and accuracy of all data. Strong communication skills and attention to detail are also essential.
I want you to create a learning website for me where I can post my articles on different topics related to java , spring framework etc and the visitors can read and comment. I will also need a java compiler embedded within that website where the visitor can run the java code. You can take references from multiple websites out there like w3schools , tuturialspoint , geekfrgeeks , howtodoinjava etc.
I am looking for an Android app developer to create a productivity app with specific features in mind. The app should have a moderate level of design customization. Ideal skills and experience for this job include: - Proficiency in Android app development - Experience in creating productivity apps - Ability to implement specific features requested by the client - Understanding of design customization options and ability to deliver a moderately customized app.
I want to make an Android app for renting a machine required for building homes like a hammer machine, drilling machine, etc.
I am looking for an Android App Developer who can help me create an app with advanced features. The main purpose of the app is not specified. However, I have a specific design in mind which the developer should adhere to. Ideal skills and experience for this job include: - Proficiency in Android App development - Knowledge of advanced features - Ability to work with specific design guidelines - Communication skills to ensure a smooth collaboration process