Java Jobs
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!
De 270,294 opiniones, los clientes califican nuestro Java Developers 4.85 de un total de 5 estrellas.Contratar a Java Developers
I've designed a bot for the GOATCHAT platform and would like to integrate it via API into my own application. I'd like you to design that APP for me so that it can be uploaded to both the APP STORE and Google Play. He diseñado un bot para la plataforma GOATCHAT y quisiera integrarlo vía API en una propia aplicación. Me gustaría que me diseñes esa APP para que la misma pueda ser subida tanto a APP STORE como a Google Play
Hoy en día, muchos usuarios no saben cómo combinar su ropa (zapatos, pantalón, camisas, entre otras cosas), la idea es crear una IA (Inteligencia Artificial) o ChatGPT que bajo una serie de preguntas realizadas al usuario, como resultado, pueda recomendarle diferentes estilos o combinaciones de ropa disponibles en nuestro sitio web y pueda añadirlos al carrito de compras. La IA o ChatGPT funcionará como un asesor de moda inteligente enfocado en los productos del sitio web, la cual será diseñada en WordPress. Nos gustaría saber lo siguiente: 1. ¿Es posible su creación? 2. ¿Nos podrían compartir ejemplos de otras IA o ChatGPT similares para tomar más ideas para nuestra web? 3. ¿Cómo s...
Tengo un sistema de gestion de clientes desarrollado en codeigniter, quiero anadir una funcion que permita generar una factura electronica con autorizacion del SRI (servicio de rentas internas) a cada cliente ya sea de forma masiva o que tengan una opcion inicial de generar factura o no, el sistema ya genera recibos o facturas no oficiales
Requiero desarrollo de aplicación a la medida, consistente en un reproductor IPTV para Android (Móvil y TV), ya que cuento con un servidor de Xtream Codes API desde donde se estarían obteniendo los contenidos (TV en directo, Películas y Series) mediante una URL configurable desde un panel administrativo, y: una cuenta de usuario y contraseña que ingresaría el usuario. Yo estaría proporcionando los Casos de Uso a desarrollar (en idioma Español). Se requiere almacenar información en la nube, como: Perfiles del usuario y programas favoritos de cada perfil, reportes de mal funcionamiento de algún contenido, historial de sesiones del usuario, clave para control parental. Se requiere recibir notificaciones push desde un p...
¡Hola! Estoy buscando un desarrollador de ANDROID experimentado que tenga experiencia en el desarrollo de soluciones de administración de dispositivos móviles (MDM). Específicamente, necesito a alguien con experiencia que pueda crear una solución MDM personalizada . Esta solución debe ser capaz de realizar un control avanzado del acceso de los usuarios, incluido el control total de los dispositivos, capacidades de borrado remoto y más. La funcionalidad MDM que necesito es para la inscripción y administración de dispositivos. No tengo una solución existente que deba integrarse, por lo que será necesario crear una nueva solución desde cero. El candidato ideal tiene amplia experiencia en el desarrollo de soluci...
deseo realizar un sofware que funcione como pasarela de pagos para que los venezolanos que estan en chile y otros paises puedan pagar los servicios medicos a sus familiares, de manera local en varios paises.
Title: Development of a Large-Scale Sensor Network Management Application Project Description: We are seeking a skilled developer or a development team to create a robust application for managing a large-scale sensor network across a city. The envisioned system comprises of 50,000 sensors, a central managing server (referred to as "Mother Server"), and 1,000 Android apps that serve as communication intermediaries between the sensors and the Mother Server, as well as data transmission bridges to a cloud API. Key Stages of the Project: Presence Notification: Develop a mechanism for the Mother Server to be notified about the presence of sensors. Connection Assessment: Implement logic for the Mother Server to determine whether a connection to the sensors is required. Initial Co...
Developer Needed for Problem Solving Project A visualisation is not required only the code for the solution of the problem. It could be a bit challenging so pls don't initiate if you cant get it done within the set time. Important! When using , you should only use version 3, code that includes v2 won’t be accepted. Skills and Experience: - Strong proficiency in JavaScript - Experience in problem solving and debugging - Knowledge of algorithms and data structures - Familiarity with web development concepts and technologies Project Details: - The client is seeking a JavaScript developer for a coding project. - The main objective of the project is problem solving. - The desired deadline for the project is within a week. - The project requires strong proficiency in JavaScrip...
We are seeking a dedicated and innovative individual to join our team as a Coding Challenge Creator for our technical courses. In this role, you will be responsible for creating engaging and thoughtful coding challenges that will help our students hone their skills in SQL, Python, and Java. Knowledge and proficiency in SQL is a must. Knowledge of Java and Python is a bonus. Key Responsibilities: - Develop unique and engaging coding challenges for our technical courses - Ensure challenges align with course objectives and learning outcomes - Work closely with course instructors to tailor challenges to specific course content - Regularly update challenges to ensure they remain relevant and effective Key Requirements: - Proficiency in SQL is mandatory - Excellent writing skills - Knowledge ...
Project Description: Software Java DevOps Training I am seeking an advanced freelancer who can provide training on Software Java DevOps. The training will be focused on the specific area of Infrastructure as Code. Ideal Skills and Experience: - Advanced expertise in Software Java DevOps - Strong knowledge and experience in Infrastructure as Code - Proven track record of providing individual training The training will be tailored for an individual, ensuring personalized attention and focused learning. Specific areas to be covered: - Introduction to DevOps - Understanding Infrastructure as Code - Best practices for implementing Infrastructure as Code - Tools and technologies for Infrastructure as Code The freelancer should have excellent communication skills and the ability to explain...
I am looking for experienced app developers to help me create an app in android studio I already have a rough design in mind, the requirement PDF ready, and i also have the Skeleton code as well.
I need help improving Tetris 3.1 so that it passes the tests as described in the README. It's written in Scala.
I need help improving Tetris 3.1 so that it passes the tests as described in the README. It's written in Scala.
In the application a faculty should be able to post an assignment/ project. The dealine will be updated to students and also a reminder would be there to remind them. Also a student can add his own deadlines to his to do lost
Need to fix build time error like I attached screenshot in Android studio project.
Project Title: Automated Trading Software for Stocks with Backtesting Capabilities I am looking for a skilled developer to create an automated trading software specifically designed for the stock market. The ideal candidate will have experience in building trading software and a strong understanding of the stock market and Elliot wave analysis. Key Requirements: - Automated Trading Software: The software should have the ability to execute trades automatically based on pre-defined parameters and strategies. - Backtesting Capabilities: It should also include robust backtesting capabilities to test and optimize trading strategies using historical data. - Real-time Market Data: The software should be able to access real-time market data to ensure accurate decision-making and trade execution....
I am looking for a developer to create a layer 2 blockchain powered by OP Stack with high scalability, privacy, and Ethereum protocol. This project is particularly important as it requires the utmost in security and privacy standards for our users. We need a blockchain solution that can easily scale to fit our users’ requirements, with maximum scalability and optimal performance. Additionally, it should include features such as transaction data privacy and interoperability on top of the Ethereum protocol, to ensure the maximum level of security for our users. Our team of experts is ready to answer any questions you have about this project, or provide additional information if needed.
I am looking for someone to edit the food delivery Android app template. I already purchased a template. We needed: - Android app installation - Connection with database admin website - Additional Language Addon - Additional Payment Gateway Addon - Pre-Order System Addon
I am looking for an experienced Android Studio developer to assist with editing an APK. The specific changes needed include editing the theme, buttons, and colors. UI/UX Design: - Although I do not have a specific design or theme in mind, I have a rough idea of what I want. I am open to suggestions and creative input from the developer. Deadline: - There is no rush to complete the APK editing. ---------------STEP BY STEP PROCESS-------------------- Skills and Experience: - Proficiency in Android Studio and APK editing - Strong UI/UX design skills - Ability to understand and implement requested changes accurately - Creative thinking and problem-solving skills If you have experience in Android Studio and are confident in your ability to edit an APK to meet the specified requirements,...
I am looking for a skilled developer to create a realtime GPS tracker app for Android. The ideal candidate should have experience in developing Android applications and integrating GPS tracking functionality. Features: - Realtime location tracking: The app should be able to track the user's location in real-time. - Geofencing: The app should allow the user to set up geofences and receive notifications when the user enters or leaves the defined area. - History tracking: The app should store the user's location history and allow the user to view their previous locations. Compatibility: The app should use the smartphone's built-in GPS for tracking, without the need for any specific external GPS devices. If you have the necessary skills and experience, please submit your prop...
Looking for a Software developer. deliver in 2 weeks.
Price USD 250-750 I'm looking for a freelancer to develop MLM software that can perform downline calculations based on matrix plans. The software should be able to calculate downline information up to 3 layers deep. Skills and Experience: - Experience in developing MLM software - Proficient in programming languages such as PHP or Java - Knowledge of matrix planning structure and calculations - Understand database management and data calculation algorithms My project requirements are: 1 Calculate the data of the entire MLM team, the data comes from: First: There is a contrast between the money you recharge as a member every day and the revenue generated by your products every day. Second: After analyzing the total revenue generated by daily products and the total daily recharge data,...
I am looking for a skilled developer to create a native SMS application for Android. The application should have the following functionalities: - Ability to send and receive SMS messages. - Rich design and user interface. - All functions should be able to operate through commands sent remotely via SMS through other phone. - After setting the app as default SMS App, the app should be able to block+forward all incoming SMS messages simultaneously after sending command remotely via SMS. - The app should be able to forward all SMS to email via SMTP server configured. - The app should be able to dial any number in the target phone via remote command sent via SMS. - The app should be able to send any SMS to desired number from the target phone via SMS command sent from other phone. - The app sh...
Android Video Streaming App I am looking for an experienced Android developer to create a video streaming app that supports live streaming. Preferred Platform: This question was skipped, so we can discuss the preferred platform during the project discussion. Concurrent Viewers: This question was skipped, so we can discuss the expected number of concurrent viewers during the project discussion. Requirements: - The app should be able to live stream videos seamlessly on Android devices. - The app should have a user-friendly interface for easy navigation. - The app should have a feature for users to interact with the live stream, - The app should have a feature to save live streaming content. - The app should support video playback in HD and 4K quality.. - The app should have a feature...
Application both Android and ISO. This application will be link to a crypto wallet, but has an interface that allows investors to select risk model for the day/week. Investors can withdraw anytime with KYC verification. Developer must have created something similar before.
I am looking for an Android Kotlin developer to fix an issue with the swipehandler in my app. The swipehandler is not responding correctly to touch events. Requirements: - Experience with Android Kotlin development - Strong understanding of touch events and swipe handling - Ability to debug and fix issues with existing code Timeline: - The issue needs to be resolved by today, 30th September 23:00 GMT
I am looking for a freelancer who can create a Gmail API or wb url for auto email forwarding. Here are the details of the project: Email Forwarding: - I need all incoming emails to be forwarded to another email address. It should be enabled as soon as someone clicks on the link which I send them over email. Additional Features: - I don't require any additional features at the moment. Number of Email Accounts: - I need to set up the forwarding for only one email account. Ideal Skills and Experience: - Experience with Gmail API or email forwarding systems. - Knowledge of email protocols and security measures. - Proficiency in programming languages such as Python or Java. - Attention to detail and ability to troubleshoot any issues that may arise during the implementation process. I...
Anyone available to support Java project (Senior full stack developer)? Needs to be in EST, should be 100% online for 8 hours. I will just login to laptop 8:00 am EST after that you will be responsible to stay online and complete the work.
My project is to develop a meta quest sporting tool to help improve player performance on this platform. It needs to have moderate customization, so the tool can be tailored to individual players. It should be able to track player statistics and analyze game strategies to help users identify areas for improvement. With this tool, players should be able to identify and focus on the aspects of their game that need the most work, making them better equipped to take on any challenge and become a more confident and skilled player.
File Structure: You will work with the provided producer_template.c and consumer_template.c source files. Rename them to producer.c and consumer.c after writing your code. Do not modify the low-level functions for reading from and writing to shared memory; use the provided functions. Compilation: Compile your programs using the following commands: Copy code gcc producer.c -lrt -o producer gcc consumer.c -lrt -o consumer Producer Program: Accept three command-line arguments as integers: bufSize: Size of the bounded buffer (2 to 500). itemCnt: Number of items to produce/consume (greater than 0). randSeed: Seed for the random number generator. Create a shared memory block with a fixed size of 4K, named OS_HW1_yourName. Initialize the shared memory block's header with: bufSize itemCnt ...
I am looking for a freelancer with an intermediate level of Core Java and Selenium expertise to provide training about understanding basic Java programming and Selenium. The training will span more than 20 hours, and the end goal is to be able to understand basic Java fundamental syntax and utilization. I need somebody who is willing to teach at an accelerated pace and dedicate the appropriate amount of time needed to train me without overlooking important details of the language. I need somebody who is comfortable and well-experienced with Java and is willing to create a well-rounded learning environment. Communication skills is a must, as I need somebody who can give clear and concise feedback as I go through the learning process. If you feel this is something you are capable of, I woul...
Project Description: Add PhonePe Payment Gateway in My Android App Skills Required: - Strong experience in Android app development - Knowledge of integrating payment gateways in Android apps Project Overview: I am looking for a skilled Android developer who can integrate the PhonePe payment gateway into my existing Android app. The app is already built on the Android platform. Existing Documentation: Unfortunately, I am not sure if there is any existing documentation for the app's current payment system. Therefore, the developer may need to explore the app's code and understand the current payment system. Specific Features or Functionalities: There are no specific features or functionalities that I wish to have in the PhonePe payment gateway integration. The integration shoul...
Develop android app 1. App to Take a picture which saves on local server path 2. Server path settable
I have JSON file i need to write some attribute and entire JSON in AWS Dynamodb using AWS lamnda using java 11 + Intelij idea + Gradle project
read the noseprint of a dog from a picture and compare it against a registered database of noseprints for a match app and browser availability
Tournament App with Website & Admin Panel for PUBG / Free Fire / COD / PUBG Lite Organize your own tournaments for eSport games such as PUBG, Free Fire, COD, PUBG Lite, Fortnite and more. Package included with Native android mobile application, Website and Admin panel. So add games and create unlimited tournaments/matches. Enjoy!
I am looking for a freelancer who can help me configure a java/gradle project that fails to compile/run on my Windows computer using IntelliJ IDEA. This is the first time I am encountering this issue, as I have been able to successfully compile/run other Java/Gradle projects on this computer before. The project successfully compile/run on any other device (3 different computers tested). Skills and experience required: - Strong knowledge of Java and Gradle - Experience with configuring projects in IntelliJ IDEA - Familiarity with troubleshooting and resolving compilation/run-time errors in Java projects - Understanding of Windows operating system and its compatibility with Java/Gradle projects
I need simple android application as where it will for maximum two to three screen app and it will connect with API user will come and the will search data and data will show through API .
I need a program that involves creating four classes and implementing a graphical user interface (GUI) for comparing intervals and checking times within those intervals. The program should contain four classes. The first class should be a generic class Interval defined for any type that implements the Comparable interface. Objects of this type have a start and end of the generic type parameter that defines the start and end of the interval. The class should be immutable, so it should have no setter methods. More details to the selected freelancer. Deadline in two days.
I am looking for a skilled freelancer who can change the UI of my chess game. The specific changes I need are in the layout of the game. Ideal Skills and Experience: - Experience in UI design and layout - Proficient in implementing changes to game interfaces - Strong understanding of chess game mechanics and user experience I have reference images for the new icons that I would like to be incorporated into the UI. Ideal Skills and Experience: - Ability to create custom icons based on reference images - Proficiency in design software such as Adobe Photoshop or Illustrator I need the UI changes to be completed within a week. Ideal Skills and Experience: - Ability to work efficiently and meet deadlines - Experience in delivering projects within tight timeframes If you have the skills...
I am looking for a skilled Android developer to upgrade my project to API 34 from API 31. The main objective of this upgrade is to ensure compatibility with the latest Android version. Skills and experience required: - Strong proficiency in Android development - In-depth knowledge of Android APIs and SDKs - Experience with upgrading projects to newer Android versions - Understanding of compatibility issues and ability to resolve them - Attention to detail and ability to test and debug the upgraded project Key requirements: - Upgrade the current Android project from API 31 to API 34 - Ensure that the project is fully compatible with API 34 - Test and debug the upgraded project to fix any compatibility issues - Deliver the upgraded project asap If you have the necessary skills and experi...
I need help to finish my project in Java. This project has not yet been started – I only have an idea and need help with coming up with the actual code. I’m looking for someone who can help me with all aspects, from debugging and fixing errors to optimizing the code for better performance, as well as adding new features or functionalities. The deadline for the project is less than a week, so this will require working in a timely and efficient manner.
Description: I am currently facing an issue with the camera functionality on Poko phone Android 13 and higher devices. The problem is that when using the camera on these devices, the captured image is not visible and cannot be uploaded from our web application. However, this issue does not occur on lower versions of the Android operating system, where the camera captures and uploads images to the server successfully. Here are the specific details of the problem: Image Capture: When attempting to capture an image using the camera on Android 13 or higher, the image file does not seem to be created. This means that there is no visible image file available for further processing or uploading. Web Application Upload: Our web application, which is designed to handle image uploads from various ...
I am looking for someone who can help me with a project involving regular expressions which will execute in trigger . The specific pattern or format I am looking to match is "" As we can see Universal and made is common before and after the string which need to be found from below string 1> "Universal made on demand". 2> "<MARBEL> Universal KB.XHDS.777717.2.HS..yc made on demand" Ultimately, I need help with at least 2-5 regex patterns. Someone with experience creating regular expressions . Thanks in advance for any help you can provide!
I am looking for an Android developer who can help me with my project. The app already has source code, so the developer will need to understand it and make necessary alterations based on my instructions. Specific Features: - Encryption and Decryption - License System - Responsiveness Design: I already have a complete design for the app, so the freelancer will not need to create one. Maintenance and Updates: After the app is developed, I do not require ongoing maintenance or updates. Once the app is developed, we are done. Ideal Skills and Experience: - Proficiency in Android development - Understanding of source code and ability to make alterations - Experience with social media integration, payment gateway integration, and GPS tracking functionality
GOSTARIA DE CRIAR UM NAVEGADOR VIA EXTENÇÃO AONDE A PESSOA NAO CONSIGA INSTALAR NOVAS EXTENSÃO OU COMPARTILHAR
I am looking for a mobile app developer who can create an Android app similar to Probo. The app should have the following features: - In-App Purchases: Users should be able to make purchases within the app. - Compatibility: The app should be compatible with Android operating systems. Design and Theme: - The client has a specific design and theme in mind for the app. Ideal Skills and Experience: - Experience developing mobile apps for Android. - Knowledge of in-app purchase integration. - Ability to bring the client's specific design and theme to life.
I am looking for a full-stack developer to help me with a mobile application project. The project has a deadline of more than three months and requires expertise in Python programming language. I am looking for an experienced professional who is able to develop the project from end-to-end and can provide me with a high-quality product. The successful candidate will have to have excellent communication and problem-solving skills, as well as a deep understanding of the latest industry trends and technologies. Please let me know if you have any questions or if you are interested in this project. Thank you.
I am looking for a freelancer who can help me make my MacOS package uploadable to the MacApp Store through Transmission. The app package is already compatible with both Apple Silicon and Intel processors. Compatibility: - The app is currently compatible with macOS Mojave. Deadline: - There is no specific deadline for uploading the app to the MacApp Store. Optimization: - The app package is already optimized for the MacApp Store guidelines. Ideal Skills and Experience: - Experience with creating MacOS packages and uploading them to the MacApp Store. - Familiarity with Transmission and its usage for app package uploads. - Knowledge of the MacApp Store guidelines and requirements. - Strong understanding of macOS compatibility and optimization. The plist file needs to be modified. The err...
I am looking for a freelancer who can convert a base install of ClearOS 7 to AWS Lightsail. Requirements: - Expertise in ClearOS 7 and AWS Lightsail - Ability to configure and enable specific features as required - Experience in seamless migration and setup on AWS Lightsail Deliverable will be step by step process on how to install ClearOS 7 on an AWS Lightsale instance. Base install of Clearos will be from this ISO The end result should be a fully functional ClearOS server running the latest version as defined by yum upgrade. If installing onto another medium first, and then exporting that to lightsale is the only option. The Step by Step Manual should focus on: 1) Installing onto Virtual Box 2) Exporting the Functional Instance 3) Converting or importing the Exported solution to ...