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 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 today!

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    Android application 6 hari left

    I am looking for an experienced Android developer to create Android App for my cafe within a 3-4 week timeframe. I want in app similar POS Software, restaurant billing software. My cafe is only takeaway system. In app i want following things.. 1. Easy enterface 2. Fully touchscreen system 3. Stock management 4. Instant takeaway, scadule takeaway Etc. Although I have some ideas in mind, I am open to suggestions and would like the developer to bring their creativity to the project. The ideal candidate should have experience in Android app development and be able to turn my ideas into functional features. The project requires proficiency in Java and Android Studio.

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    36 bida
    Crack Interview 6 hari left

    I'm looking to hire someone to help me crack an upcoming interview. Although I have some experience with interviews, I'm looking for someone who can give me an extra edge and prepare me for any surprises. I'd like to focus on my coding skills, problem-solving skills, and communication skills in order to ace the session. As far as the type of interview, I'm open to suggestions and want to make sure I'm as prepared as possible.

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    5 bida

    I am looking for a skilled developer to create a Minecraft bedrock resource and behavior pack for me. The project requires both a texture pack and a behavior pack. Theme/Style: I have a specific theme and style in mind for the packs. Complexity: I am looking for an intermediate level of complexity for the behavior pack, with moderate changes and new behaviors. Ideal skills and experience for the job: - Proficiency in Minecraft bedrock resource and behavior pack creation - Strong understanding of texture pack creation - Experience in implementing moderate changes and new behaviors in behavior packs - Creative mindset to bring the specific theme and style to life - Good communication skills to understand and implement my requirements accurately.

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    1 bida
    An Application 6 hari left

    Project Title: Android Scan image to PDF application Platform: Android Main Function: To provide services. Timeline: Less than 10 days Skills and Experience: - Experience in Android application development - Strong knowledge of Android SDK, Java, and Kotlin - Ability to integrate payment gateways and implement secure transactions - Familiarity with RESTful APIs for data retrieval and manipulation - Proficiency in UI/UX design to create a user-friendly interface - Excellent problem-solving skills and attention to detail - Ability to meet tight deadlines and deliver high-quality work Project Description: We are looking for an experienced Android developer to create an android application. The main function of the application is to offer various services to users like creating Pdf from...

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    13 bida

    Develop Python, React, Node, iOS, Android SDK packages for Payments Orchestration API Description: - I am looking for a skilled developer to create a Python, React, Node, iOS, Android SDK for our payments orchestration API. - The SDK should be developed using Python, React, Node, iOS, Android ensuring compatibility with our existing infrastructure. - The project timeline is flexible, allowing for thorough testing and refinement. - The main deliverable is a fully functional Python, React, Node, iOS, Android SDK that seamlessly integrates with our API. - The ideal candidate should have experience in Python, Java programming and API integration. - Familiarity with payments systems and orchestration is a plus. - This project involves developing a single SDK for our API.

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    38 bida

    I am looking for a Python developer with experience in tkinter to create a tkinter project focused on data entry forms. Specifically, I want the project to include: - A user-friendly interface with well-designed data entry forms - The ability to input and store data in a structured format - Validation and error handling for user inputs The client has a design layout or wireframe for the project, so the developer will need to work with the provided design to create the desired interface. The timeframe for completing this project is one to two weeks, so the developer should be able to work efficiently and meet deadlines. Ideal skills and experience for this job include: - Proficiency in Python and tkinter - Experience in creating GUI applications and data entry forms - Strong attention...

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    10 bida

    An expert is required to make a project on a Simple RPC-based Distributed Computing Platform

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    Quiero desarrollar un Gestor de Estudiantes para una preparatoria, en el cual me gustaría mostrar lo que son los horarios, y algunos contenidos para reforzamiento de materias, también busco que tenga la parte del administrador un CRUD para la parte de los alumnos y además de la modificación de los horarios y las actividades extraescolares. Igual me gustaría saber si cuentan con algún proyecto similar y si esta en venta cuál es el precio? Todo esto lo busco que sea Desarrollado con lenguaje de Java dentro del entorno de Android Studio. Y el tiempo de producción, ya que es un proyecto que planeamos implementar para inicios de Diciembre.

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    12 bida

    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.

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    23 bida

    Потрібно доробити, поправити помилки - адаптувати ПК версію та мобільну згідно дизайну, додати оплату частинами (зробити так щоб автоматично додавалась вартість обов'язкової гарантії) в інтернет-магазині на платформі Хорошоп.

    $140 (Avg Bid)
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    1 bida

    I am looking for a tutor who can help me with my learning of Java and Springboot. My current level of experience with them is intermediate and I would like to be tutored on both the core Java concepts and the Springboot Framework. At this time, I am looking for a tutor who can provide me with less than 5 hours of tutoring per week.

    $19 / hr (Avg Bid)
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    29 bida

    I am looking for a software developer to help me create a web-based invoice management system for my existing business. The software should be able to handle both sales invoices and purchase invoices. Skills and experience needed: - Proficiency in web-based software development - Knowledge of invoice management systems - Ability to create a user-friendly interface - Experience with database management - Strong problem-solving skills Additional requirements: - The software should be able to generate and store invoices - It should have a search function to easily find and retrieve invoices - The system should be secure and able to handle sensitive financial information - The ability to generate reports and track payment status would be a plus If you have experience in developing web-based...

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    Java coder 6 hari left

    I am looking for an experienced Java coder to assist me with a challenging code assessment. This project requires an Advanced skill set with experience in Java coding, and solving complex programming problems. The project entails an on spot test assessment that requires coding in Java and a thorough analysis of the code. We need this project completed quickly on spot, so the most resourceful and time-oriented coder will be preferred.

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    8 bida

    create, creation of similar applications. similar creatives app with all options from the reference demo: 43998836 ............................. MAX BUDGET $200............ IF OK PING ME ALL JOB 25 DAYS .AND TESTING WORKING ALL APK compatible with all types of devices ENGLISH, FRENCH FOR LANGUAGE DO INSTALLATIONS ON DOMAIN NAME demo reference / ::::::::::::::::::::::::::::::::::::::creation with the latest versions of software, compatible with all electronics , installed on the URL domain and the server. reactiv and other .apk, .so, .dat, .db, .java, .xml Software Version Android 12.0, Android 11.0, Android 10.0, Android 9.0 and iPhone and Windows and others What solutions do you suggest to me and anticipate future updates?

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    18 bida
    script cita previa 6 hari left

    I am looking for someone to develop a script for me to help book an appointment. I have no preferences on the language used to create the script, however it must be capable of generating automated reminders too.

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    16 bida
    Jmeter performance script 6 hari left

    Project Title: Jmeter performance script Description: I am looking for a skilled freelancer to help with the creation of a Jmeter performance script for a web application. The ideal candidate should have experience in performance testing for web applications and possess the necessary skills to develop a script that can accurately measure load time. Requirements: - Experience in performance testing for web applications - Proficiency in Jmeter - Ability to develop a script for measuring load time - Familiarity with performance metrics and best practices Preferred Skills: - Knowledge of web application architecture and performance optimization techniques - Strong analytical and problem-solving skills - Ability to generate detailed reports or graphical charts for test results If you have ...

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    8 bida

    Hello, I am looking for a talented APK developer to create an Android gaming app. Ideally they will have experience in the gaming industry, and a knack for developing apps for the Android platform. I don't have a specific design concept or concept in mind yet, so I am open to suggestions on this. That said, I would like the app to have a sleek, modern design. I look forward to seeing some creative ideas from the developer.

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    16 bida
    IOT programming 6 hari left

    I'm looking for an experienced programmer to create an Internet of Things (IoT) program using the C++ language. It will be used to control and collect data related to Industrial IoT Devices. This program must be able to perform both data collection and device control tasks. The individual must be familiar with the C++ language to create a program for the data collection and device control. Previous experience with IoT programming is highly beneficial. The individual should be comfortable with developing and debugging code as well as creating robust solutions that are bug-free and secure. This is an ongoing project, so I'm looking for someone who can keep up with the ever-evolving technology of the IoT industry. If you have the necessary skills and experience with IoT program...

    $27 / hr (Avg Bid)
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    41 bida

    I am looking for a skilled Flutter developer who can help me with some feature enhancements on my existing application. The specific changes that I need have already been planned and I would like them to be implemented ASAP. Skills and experience required: - Strong proficiency in Flutter framework - Experience in developing and enhancing mobile applications - Knowledge of UI/UX principles for making improvements - Ability to collaborate and communicate effectively - Attention to detail and ability to deliver high-quality work within tight deadlines

    $427 (Avg Bid)
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    24 bida

    We are in need of a skilled software developer to create a desktop software for our weighbridge data management system. This software will be responsible for data input and storage. or modify our previous software. Key functionalities required: - Data input and storage: The software should allow users to input and store data related to weighbridge operations. - Data analysis and reporting: It should also have the capability to analyze and generate reports based on the stored data. - Real-time data tracking and alerts: Real-time tracking of weighbridge data and the ability to set up alerts for specific events or thresholds. Preferred programming language: This question was skipped, so we are open to suggestions and recommendations based on the developer's expertise. Ideal skills and...

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    11 bida


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    4 bida

    I am looking for an experienced Android developer to update my current Grid View into a gallery view and add a top horizontal scroll bar for navigation through categories. The project needs to be completed in less than a week. Requirements: - Strong knowledge of Android development - Experience with Grid View and gallery view implementation - Proficiency in adding horizontal scroll bars - Ability to implement navigation through categories Skills: - Android development - Grid View - Gallery view - Horizontal scroll bar implementation - Navigation through categories Hi, I have an android list view app, need to update list view into gallery view and should add horzontal scroll view Now the app has main activity with list view, in main activity I have to change list view into grid view and ...

    $18 (Avg Bid)
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    13 bida

    I am looking for an experienced Android developer in Java to create a mobile app, landing Site, and admin panel for ad posting. The main purpose of the app is to provide a platform for users to easily post ads. Specific features and functionalities have been detailed and will be provided to the selected developer. Ideal skills and experience for this project include: - Proficiency in Android app development in Java or Kotlin - Experience with ad posting functionality - Strong understanding of user interfaces and user experience design - Attention to detail and ability to follow specific requirements If you are confident in your abilities and interested in working on this project, please submit your proposal with relevant examples of your work.

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    35 bida

    I am looking for a skilled developer to create a real-time Speech Emotion Recognition system with a working front end it should be able to predict emotions on recorded audio as well as live system should be built using Python programming language, as specified by the client. The client does not have a specific preference in the machine learning or deep learning model to be used for the emotion recognition system, and they trust the expertise of the developer to choose the most suitable model. The main requirement for the system is to be able to recognize a wide range of emotions, including Happiness, Sadness, Anger, Disgust, Surprise, and Fear. Ideal skills and experience for this job include: - Strong knowledge and experience in Python programming language - Experience in develop...

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    2 bida
    Android readymade app 6 hari left

    I want this app With integration of my YouTube videos Auto update of my videos My blogs My categories of videos And people can also write blogs and I will approve that blog then it will live on my app Contact us page I will upload videos on my YouTube and customer got notification from app automatic More over as it's ecommerce app so I can also be able to sell my products as well

    $110 (Avg Bid)
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    11 bida

    I'm in need of an Android developer to help me create an app with specific functionality. I need a user login and registration feature, as well as a payment gateway integration. Furthermore, I’d like a location tracking feature added to the app. I'm looking for all these features to be completed within 1 week, and I do have specific design requirements for the app. All who are interested please apply. Thank you for your time.

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    27 bida

    I need to enhance the app which I have already done, add sensors, and the requirements set in the attached document. Also, need to write a report on the app, questions are attached. I'm unable to attach the zip file of the program file as it is too big

    $161 (Avg Bid)
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    26 bida

    Is it possible to integrate the payment gateway in route: for example mine payment gateway is approved on the other app... and i want the first app should route to the other app and the payment should be happen there and give the success report to the first app by server... everthing payment should happen to the approved app, and on the first app when user will click on pay now then it should route... it can be happen internally also...

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    12 bida
    Android app Development 6 hari left

    I am looking for a skilled Android app developer to help me turn my website into an app. The app should have features like side menu, share app, rate us on play store. Although I'm not sure yet, the app may also require specific design or branding elements as well. If you have the capabilities to develop an app that meets these specifications, I would love to hear from you.

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    32 bida

    Copy every incoming call Number : and send an automated message in Whatsapp business

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    4 bida

    I am looking for a skilled console expert who can help me with publishing my Android app to the Google Play Store. I have all the necessary assets ready and I need this task to be completed today. The ideal candidate should have experience in publishing apps to the Google Play Store and be able to troubleshoot any errors that may arise during the process. Additionally, they should be familiar with generating signed APKs. This is an urgent project, so prompt and efficient communication is key.

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    13 bida

    I am looking for an experienced programmer who can help me with my project. The project involves connecting to and retrieving data from a MySQL database, and displaying the results. I need the coding to be done with Java, as that is my preferred language. I don't have a strict timeline for the completion of the project, so no time limit is necessary.

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    35 bida

    I am looking for a skilled developer to create a SMS sending web app with a Windows XMPP client. The main features of the XMPP client should include file transfer. Messaging Service: Snikket - The messaging service to be used for the SMS sending web app is Snikket. XMPP Server Setup: Yes - I already have an existing XMPP server setup for the web app. Windows XMPP Client Features: SMS - The main feature needed for the Windows XMPP client is the ability to send SMS messages. Ideal Skills and Experience: - Experience in developing web apps with SMS sending capabilities - Proficiency in XMPP protocols and technologies - Strong knowledge of Windows development - Familiarity with file transfer, group chat, and audio/video calls in XMPP clients - Ability to work with existing XMPP ser...

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    11 bida

    I am looking for a Keycloak ID expert to configure a multitenant application on a single realm. The desired outcome for the application is secure authentication and authorization for multiple tenants. I'm looking for someone who is an expert and has a prior experience working with Keycloak ID. We are building a SaaS application with multiple tenants but we would like to configure it on a single Keycloak realm with custom user permissions. We have node.js back end, so ideally would like to have someone who are hands on on Node.js Skills and experience needed for this project include: - Expertise in Keycloak ID and multitenant application configuration - Strong knowledge of secure authentication and authorization - Proficiency in Node.js programming language - Experience working with ...

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    36 bida
    Building Lisp Interpreter 6 hari left

    I am looking for an experienced Lisp programmer to build a Lisp Interpreter from scratch with the following requirements: Skills and Experience: - Advanced level of experience with Lisp programming - Strong understanding of Lisp language and its principles Project Details: - The interpreter needs to be built from scratch, not based on an existing one - The interpreter should include standard Lisp features - Additionally, custom features should be implemented to meet specific requirements Ideal Candidate: - Experienced in building Lisp interpreters or similar projects - Familiarity with Lisp programming language and its syntax - Proficient in implementing custom features and extensions to the interpreter If you have the necessary skills and experience, please submit your proposal with r...

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    17 bida

    I am looking for a freelancer who can help me move my web and mobile apps to my AWS account. Currently, my apps are hosted on a platform other than AWS. I am not sure if I need help with data migration from my current hosting platform to AWS, so I would appreciate someone who is experienced in this area. Additionally, I am specifically interested in integrating the S3 service with my apps. If you have experience with AWS, data migration, and integrating S3, then this project is perfect for you.

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    73 bida
    Looking For Oracle Expert ! 6 hari left

    Hi All, I want to you help with Oracle SQLDATA project More details via chat Thank You

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    16 bida

    I am looking for a skilled developer who can write a dynamic storage allocator in the C programming language. The preferred memory allocation strategy will be determined by the developer, as the client did not provide a preference. The maximum size of the allocated memory block is also unspecified. Requirements: - Proficiency in C programming language - Strong understanding of memory allocation strategies (First Fit, Best Fit, Worst Fit) - Experience with dynamic storage allocation - Knowledge of memory management principles and techniques Responsibilities: - Develop a dynamic storage allocator in C - Implement memory allocation strategies based on best practices and requirements - Optimize memory allocation and deallocation processes - Test and debug code to ensure proper functionality...

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    5 bida

    need to build a website for news aggregating have subscription and advesrtisement fucntion

    $1731 (Avg Bid)
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    35 bida

    I am looking for a skilled MLM network software developer who can create a comprehensive software solution that includes the following features and meets my specific requirements: Features: - Binary Plan: The software should support the implementation of a binary plan for MLM network management. - Both Web-based and Desktop-based: The software should be accessible through both web and desktop interfaces, providing flexibility and convenience for users. Preferred Programming Language: - Java: The software should be developed using Java programming language to ensure compatibility and performance. Ideal Skills and Experience: - Strong understanding of MLM network management and the specific features required for Binary Plan implementation. - Proficiency in Java programming language and ex...

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    6 bida

    I am looking for a Java expert who specializes in web development for a specific project. Skills and Experience: - Proficient in Java programming - Strong background in Java web development - Experience with integrating existing code or assets into projects The ideal candidate will have the necessary skills and experience to successfully complete the project.

    $19 / hr (Avg Bid)
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    59 bida

    Es un sistema de venta y almacenamiento solo le falta facturar tiene login y elimina, actualiza ,guarda datos etc. Todo lo demás también hacemos los proyecto jdk NetBeans

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    2 bida

    I am looking for a skilled Android developer to create an IPTV multicast player for an Android set-top box (STB). The project requires the following: • Support for live TV channels only • Target Android version is 6.0 Marshmallow • Support for both Internet Group Management Protocol (IGMP) and Real Time Streaming Protocol (RTSP) UDP Ideal skills and experience for this job include: • Strong knowledge of Android development and experience with Android 6.0 Marshmallow • Familiarity with IPTV protocols, specifically IGMP and RTSP and UDP • Experience in developing multimedia applications and video streaming • Ability to optimize performance and ensure smooth playback of live TV channels Please provide examples of previous IPTV or multimedia projects you ...

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    21 bida

    Sila Dafter atau Log masuk untuk melihat butiran.

    Segera Dimeterai Perjanjian Kerahsiaan

    Project Title: Kubernetes setup for production I am looking for a skilled professional to set up Kubernetes for production in my own data center within a week. I am open to recommendations for the specific version of Kubernetes to use. Requirements: - Experience with Kubernetes setup and configuration - Knowledge of deploying Kubernetes in a data center environment - Familiarity with various cloud providers such as AWS, Google Cloud Platform, and Microsoft Azure - Ability to recommend the best version of Kubernetes based on project requirements - Efficient and able to complete the project within a week If you have the necessary skills and experience in Kubernetes setup and configuration, please submit your proposal with relevant past projects and your recommended approach for this proj...

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    11 bida

    Necesito crear una aplicación para relojes inteligentes con sistema Android que permita publicar un Botón de sos mandando la ubicación y un mensaje a una central de monitoreo

    $1226 (Avg Bid)
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    11 bida
    Parking management system 5 hari left

    Project Description: I am looking for a freelancer to develop a parking ticketing system using Java/ Python or PHP. The ideal candidate should have experience in developing parking management systems and be proficient in Java programming language. Requirements: - Develop a parking ticketing system using Java/ Python or PHP programming language - Integrate the system with existing payment platforms or systems and parking equipment hardware - Ensure the system is user-friendly and efficient in managing parking operations - The system should have a central management platform to view all the sites and have the ability to create sites and create different rates for the different sites. Skills and Experience: - Proficiency in Java/ Python or PHP - Experience in developing parking management...

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    114 bida

    Android App Development - Information App with General Advertisements and In-App Purchases I need app with main page and button. Button takes user to another page with button to come back to first page. Also need button on first page that is inAppPursache, this would stop advertisiments. Thanks Key Requirements: - The app should be able to display general advertisements that are not necessarily related to the app's content. - The advertisements should be shown to users every time they open the app. - The preferred method of monetizing the app is through in-app purchases, allowing users to buy additional content or features within the app. Ideal Skills and Experience: - Proficient in Android app development, with a strong understanding of app monetization strategies. - Experience ...

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    13 bida

    Quero criar um extensão aonde ela abre um navegador que a pessoa não consiga instalar novas extensão. se precisar monstro com um moledo q já está no mercado

    $393 (Avg Bid)
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    8 bida

    I need an app for drop shipping business. I need native app development. If you are skilled app developer please bid here. Thank you

    $12 / hr (Avg Bid)
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    82 bida

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