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

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    254 lavori trovati, prezzi in EUR

    I am looking for a Java web developer to integrate a RESTful API into the customer profile creation screen of the Mifos X web application for my client.

    €20 / hr (Avg Bid)
    €20 / hr Offerta media
    4 offerte
    Simple Game Engine 6 giorni left

    I am looking for a developer to create a simple game engine for a 2D game on PC using Java. The ideal candidate should have experience in game development and Java programming. The game engine should include the following features: - Basic physics engine - Sound effects and music - Sprite animations - Collision detection - User input handling Overall, I want a game engine that is easy to use and could create at least 2 simple games. The developer should be able to provide regular updates and be open to feedback.

    €126 (Avg Bid)
    €126 Offerta media
    3 offerte
    app reskining 6 giorni left

    I am looking for a skilled developer to reskin my Android Ecommerce app with minimal changes to the UI and graphics. The ideal candidate should have experience in Android app development and be able to work quickly and efficiently. Some additional requirements include: - Familiarity with Android Studio and Java programming language - Ability to customize existing UI elements and graphics - Good communication skills to provide regular updates on the project progress - Attention to detail to ensure a high-quality end product - Ability to meet project deadlines and work within budget constraints If you have the necessary skills and experience, please submit your proposal and portfolio for consideration. Thank you.

    €22 (Avg Bid)
    €22 Offerta media
    14 offerte

    I am looking for a freelancer who can help me implement NTLM authentication with OkHttpClient in my android application. I have previous experience with NTLM authentication and require a standard implementation with no specific requirements or constraints. The project is urgent and needs to be completed within a week. Ideal Skills and Experience: - Strong knowledge of NTLM authentication - Experience with OkHttpClient - Proficient in Android development - Ability to work quickly and efficiently under tight deadlines

    €11 (Avg Bid)
    €11 Offerta media
    2 offerte

    I am looking for a Java developer to create a metro website using graph data structures. The main purpose of the website is to provide information to commuters, including nearest stations. I am open to suggestions regarding the design and layout of the website. The graph data structure should include 1-3 lines and 10-30 stations. Ideal skills and experience for this job include: - Proficiency in Java - Experience with graph data structures - Knowledge of web development - Familiarity with metro systems - Attention to detail and ability to provide a user-friendly experience.

    €14 (Avg Bid)
    €14 Offerta media
    4 offerte

    I am in need of a skilled developer to modify and manage the AI for a Conquer Online Private Server game. Specifically, I require improved mining capabilities for the AI. Ideal Skills and Experience: - Knowledge of Conquer Online Private Server game - Experience with AI modification and management - Strong programming skills in languages such as C++, Java, and Python This is an ongoing project that will depend on patches, so I am looking for someone with a flexible timeline. Communication and collaboration will be key as we work together to ensure the AI modifications are completed to my satisfaction.

    €85 (Avg Bid)
    €85 Offerta media
    16 offerte
    Kafka Consumer 6 giorni left
    VERIFICATO

    Project Title: Kafka Consumer for Real-Time Data Processing We are looking for a freelancer who can help us build a Kafka Consumer for real-time data processing. Our goal is to process data from multiple sources in real-time and output the processed data in JSON format. Ideal Skills and Experience: - Strong experience with Kafka Consumer - Proficient in programming languages such as Java or Python - Experience in real-time data processing - Familiarity with JSON data format Specific Requirements: - Build a Kafka Consumer that can process data from multiple sources and multiple partitioned - Ensure the data is processed in real-time - Output the processed data in JSON format If you think you have the skills and experience we need, please send us your proposal. We are open to suggestio...

    €28 (Avg Bid)
    €28 Offerta media
    3 offerte
    Mid-Level Java/Springboot Developer 6 giorni left
    VERIFICATO

    We are looking for a Java and Springboot developer who can assist in writing clean & scalable codes using Java.

    €10 / hr (Avg Bid)
    €10 / hr Offerta media
    32 offerte

    Modification of existing opensource project on langchain, with custom LLM on gradio and opensource vector DB (hyperdb)

    €13 (Avg Bid)
    €13 Offerta media
    7 offerte

    1. Introduction The purpose of this requirement document is to outline the specifications and functionality for developing a Restful API based on the open-source GitHub project, AppointmentScheduler (`). Additionally, the API will be integrated with a Telegram bot for enhanced functionality and user interaction. The Restful API will provide the necessary endpoints and functionality to manage appointments, while the Telegram bot will act as an interface for users to interact with the system. 2. Restful API Requirements The Restful API should be developed based on the AppointmentScheduler project, with the following key requirements: a. Endpoint for Appointment Creation - The API should provide an endpoint to create new appointments. - The endpoint should accept the ne...

    €139 (Avg Bid)
    €139 Offerta media
    9 offerte
    ANDROID PROJECT - PREFER .NET MAUI 6 giorni left
    VERIFICATO

    Hello Friends, my current application was developed in c# ...i want same in android.. application have license manager and exe.. firebase is to be used and application code is on server regards

    €173 (Avg Bid)
    €173 Offerta media
    6 offerte

    I am looking for a skilled developer to build various deep learning models for a classification problem involving time series data. The project requires expertise in Lstm, Bilstm, Cnn, Lstm+attention, and Resnet algorithms. The data has a shape of (1500,18000) and a dimension of 200x900. Ideal Skills and Experience: - Proficient in Python and deep learning frameworks such as TensorFlow and Keras - Strong understanding of Lstm, Bilstm, Cnn, Lstm+attention, and Resnet algorithms - Experience with time series data and classification problems - Ability to achieve high accuracy in classification - Detail-oriented and able to provide detailed documentation throughout the project. Dataset will be provided

    €147 (Avg Bid)
    €147 Offerta media
    19 offerte
    Locket E-com 6 giorni left

    E-commerce platform that can sell any product from anywhere in the world

    €1092 (Avg Bid)
    €1092 Offerta media
    69 offerte

    I am looking for a Java developer who can implement a Simple Contact Form on my website. The ideal candidate should have experience in Java development and be able to work efficiently to deliver quality results. The following requirements are necessary for the project: - Implement a Simple Contact Form on the website Design/layout for the form already there. - The contact form should have 1-3 fields If you have the necessary skills and experience to complete this project, please submit your proposal. Note: Work remotely via anydesk or teamviewer

    €16 (Avg Bid)
    €16 Offerta media
    21 offerte

    I am a manufacturer of ID cards and I want to develop a mobile app that allows me to collect data from clients who need ID cards. The app will be developed on the Android platform and will collect detailed information from clients including personal and professional details. I am looking for a developer who can include user registration and login features in the app. Ideal skills and experience for the job include: - Android app development - Experience with user registration and login features - Ability to collect and store detailed data securely - Excellent attention to detail and ability to create custom data input forms.

    €285 (Avg Bid)
    €285 Offerta media
    12 offerte

    I am in need of an Android developer who knows Gradle Tasks. My project requires immediate attention, as I am looking for someone who can help with debugging and optimization. The ideal candidate should have intermediate experience in development. Some of the skills I am looking for include: - Experience with Gradle Tasks - Proficiency in Android development - Knowledge of debugging techniques - Familiarity with optimization methods If you are a skilled developer with intermediate-level expertise, I would love to hear from you. Please apply with your relevant experience and skills, and we can take it from there. The actual error is Task "assembleglobalstagedebug" not found in the root project 'android' and it's subprojects. Looks like the mentioned tasks i...

    €99 (Avg Bid)
    €99 Offerta media
    45 offerte
    Telegram store bot 6 giorni left

    Looking for expert developer in telegram bots. - ability to create complex bot store with many options - input Credit card and crypto gateway - creating client managing system - working with apis - client panel + admin panel Must have creative mind to help get this project alive. -

    €479 (Avg Bid)
    €479 Offerta media
    22 offerte
    GPAY android 6 giorni left
    VERIFICATO

    I am looking for an android developer who can help me with integrating GPAY into my app. The ideal candidate should be proficient in android studio code and have experience with payment processing and user account management. The following features should be included in the app: - Ability to change/set the default card on GPAY - Feature for saving payment information As for integrating the app with other services, I'm not sure if I need assistance with that or not. Therefore, I'm open to discussing this further with the developer.

    €264 (Avg Bid)
    €264 Offerta media
    45 offerte
    build for me admin login page 6 giorni left
    VERIFICATO

    I am looking for a developer to build a basic admin login page using Angular and Springboot. The page should have basic email and password authentication. No specific features are required. The ideal candidate should have experience with Angular and Springboot.

    €127 (Avg Bid)
    €127 Offerta media
    36 offerte
    Mobile Application 6 giorni left
    VERIFICATO

    I am looking for a mobile application developer who can create an Android app that will be used for inventory mapping. The ideal candidate should have experience in developing Android apps and be able to implement barcode scanning. The app should be easy to use, and have a simple user interface. The following are the requirements for the app: - Platform: Android - Primary Function: Inventory Mapping - Features: Barcode scanning

    €149 (Avg Bid)
    €149 Offerta media
    17 offerte

    We have Two Scripts to be written and integrated into existing Postgres database tables on AWS. Script 1’s primary job is to score individual user emotions according to rules in our requirements documentation and post results to various tables in Postgres. Script 1 may be run multiple times per day, producing intraday results that will be returned to our Loyalty partners and the systems of our Brand clients via our API (not part of the scope). Script 2’s primary job is to read the results of Script 1 from the Postgres tables and “classify” Users' history to date scores reflecting their individual emotional loyalty according to the rules in our detailed requirements documentation, then to update various Postgres tables with the results. We anticipate that Scrip...

    €160 (Avg Bid)
    €160 Offerta media
    40 offerte

    ONLY ACCEPT TASK IF YOU ARE ABLE TO START WORK NOW AND COMPLETE IT IN A FEW HOURS, THIS INCLUDES MEETING ON ZOOM AND WORKING FROM MY LAPTOP REMOTELY. I am in need of a skilled developer to assist with white box unit testing in Java. The project requires expertise in JUnit 4 or 5 testing framework, as well as experience with git connection tasks. The ideal candidate should be able to complete the project as soon as possible. Skills and experience required: - Strong knowledge of Java programming language - Expertise in JUnit testing framework - Experience with git connection tasks

    €17 (Avg Bid)
    €17 Offerta media
    8 offerte
    create a software 6 giorni left
    VERIFICATO

    I am looking for someone to conduct an intermediate-level cloud simulation in cloud computing. The purpose of the simulation is to conduct research and will be focused on the cloud computing

    €103 (Avg Bid)
    €103 Offerta media
    5 offerte

    Estamos en búsquedas de un desarrollador con conocimientos sobre el despliegue de funcionalidades en Alfresco Comunity 7.1. Necesitamos realizar un fix sobre un desarrollo de “gestión de grupos”, puntualmente tenemos que mejorar el proceso de búsqueda de usuarios para agregarlos al grupo.

    €166 (Avg Bid)
    €166 Offerta media
    7 offerte

    I am looking for someone to conduct an intermediate-level cloud simulation in cloud computing. The purpose of the simulation is to conduct research and will be focused on the cloud computing platform that the contractor feels most comfortable with. The simulation must be intermediate in complexity and be comprehensive enough satisfy the goals of the research. The contractor must have experience working with cloud computing platforms and have knowledge of the various features they offer. The successful candidate will have the experience and knowledge necessary to develop a successful simulation in order to meet the research goals.

    €111 (Avg Bid)
    €111 Offerta media
    4 offerte

    I am in need of assistance for Selenium automation robot test creation, parallel execution, framework creation, best practices, Selenium grid, data-driven approach, and integration with CI/CD. I have a rough idea of what I want my framework to look like, but I need someone to help me create it. I prefer to use Java as my programming language for the Selenium automation. The applications I want to test are web applications. Ideal skills and experience for this job include: - Expertise in Selenium automation and frameworks - Strong knowledge of Java programming language - Experience with Selenium grid, data-driven approach, and CI/CD integration - Ability to create parallel execution test cases - Familiarity with best practices in Selenium automation - Experience testing web applications.

    €15 (Avg Bid)
    €15 Offerta media
    8 offerte

    We are looking for a skilled developer who can prove a theory for us that we can create a emulated screen of a browser window (possibly using WebRTC or something similiar), showing every action of a user (clicking around, paginating, etc), and hiding the content of our chrome extension, that is on the parent screen, from the emulated screen. Real world example: - A user would use our solution to put sticky notes or Prompts on any web screen. - A user would then create a emulated screen of their browser window - The emulated window would show every action of the user BUT would not show the sticky notes or Prompts. Reason: A user would use our solution when they are presenting via screen share. The user would screen share the emulated window but work off the parent screen using the ...

    €496 (Avg Bid)
    €496 Offerta media
    34 offerte

    I have employment application documents in adobe. We currently have 2 separate versions in english and spanish. I would like to created 1 PDf file that lets the signer choose the language of the actual document to sign. Once signed in whatever language chosen adobe should mark as completed.

    €153 (Avg Bid)
    €153 Offerta media
    21 offerte
    scrape data from site 6 giorni left
    VERIFICATO

    I am looking for a Experienced Programmer to scrape data from website. Only highly experienced programmer. Completed details will be provided to shortlisted candidates only. Write CODE at the starting of your proposal.

    €49 (Avg Bid)
    €49 Offerta media
    29 offerte

    最新ipad协议,新增个功能接口

    €1038 (Avg Bid)
    €1038 Offerta media
    22 offerte

    A system for the management and monitoring of social work and professional residency processes.

    €206 (Avg Bid)
    €206 Offerta media
    33 offerte

    I am seeking a freelancer to develop a clinical decision support medical application that will support critical care and infectious disease. The application needs to provide diagnostic and treatment recommendations to support clinical decision-making. I do not require integration with any specific EHR system, but a general solution is needed. Ideal skills and experience for the job include: - Strong knowledge of medical terminology and clinical decision-making processes - Experience in developing medical applications - Proficiency in programming languages such as Java or Python - Familiarity with EHR systems and healthcare data standards.

    €2223 (Avg Bid)
    €2223 Offerta media
    124 offerte
    Sniff hls from android app 6 giorni left
    VERIFICATO

    I am looking for a freelancer who can help me sniff HLS data from a specific Android app, which I can provide the name of. I don't have a preference for programming language or platform, so the ideal candidate should be proficient in both Python and Java. The sniffed data will be used for research purposes, so experience in data analysis and visualization is a plus. The project requires knowledge of network protocols and security, as well as experience with packet sniffing and analysis tools.

    €209 (Avg Bid)
    €209 Offerta media
    39 offerte
    Android Developer (Exposed Module) 6 giorni left
    VERIFICATO

    Android Developer (Exposed Module)

    €19 / hr (Avg Bid)
    €19 / hr Offerta media
    32 offerte

    Java springboot + CQRS pattern + Test coverage + ELK stack

    €372 (Avg Bid)
    €372 Offerta media
    12 offerte

    My project is a simple IoT project using TCP/IP sockets in Flutter. I am building for both Android and iOS platforms. I have not decided yet if I need a server-side component or not; it might be needed if my requirements become more complex. I will be using cloud services as part of the project implementation. With this project, I am looking for a freelancer who can help me navigate the complexities of IoT programming and ensure that this project is successful. Thanks for considering my project!

    €217 (Avg Bid)
    €217 Offerta media
    27 offerte
    Courear management software 6 giorni left
    VERIFICATO

    I am in need of a freelancer to develop a courier management software with the following features: - Real-time tracking - Automated invoicing - Delivery scheduling The software will require integration with third-party services or APIs. The project needs to be completed ASAP. Ideal skills and experience for this job include: - Strong proficiency in programming languages such as Java or Python - Experience with API integration - Knowledge of courier management systems - Ability to work efficiently under strict timelines

    €626 (Avg Bid)
    €626 Offerta media
    15 offerte

    I would not like to use Teilio or lex. I am seeking an experienced programmer to assist me in creating a robo-call and text program for sending out reminder messages. The goal of this project is to set up the program to send out pre-written messages to a list of recipients at specific times or intervals. The content for these messages will be provided by me, so I only require assistance with setting up the program. The program must be capable of storing recipient information and messages sent in a database using database management systems like MySQL, MongoDB, or PostgreSQL. The freelancer should also understand and comply with relevant regulations, such as the Telephone Consumer Protection Act (TCPA) in the US, which governs the use of automated telephone calls and text messages. If you...

    €181 (Avg Bid)
    €181 Offerta media
    7 offerte
    CC Avenue Guidance 5 giorni left

    More details: What is your current level of familiarity with CC Avenue? Beginner Do you need assistance with integration or usage? Both What is your preferred mode of communication for guidance? One-on-one support

    €113 (Avg Bid)
    €113 Offerta media
    9 offerte

    I am looking for an experienced Android developer to fix a bug related to app Notifications. I have existing code. Need check and fix remotly.

    €16 (Avg Bid)
    €16 Offerta media
    21 offerte
    product cretive 5 giorni left

    I am looking for a freelancer to help me create a digital product that focuses on productivity for small businesses. The ideal candidate should have experience in creating digital products that are user-friendly and visually appealing. The project will involve the following: - Develop a concept for the digital product that aligns with the client's requirements - Create wireframes and mockups to illustrate the user interface and user experience - Develop the digital product using appropriate software and programming languages - Conduct user testing to ensure the product meets the needs of small businesses - Provide ongoing maintenance and updates to the digital product Ideal Skills and Experience: - Experience in creating digital products that focus on productivity - Expertise in sof...

    €13 (Avg Bid)
    €13 Offerta media
    4 offerte

    I am in need of a highly-skilled freelancer to develop an advanced EA program algorithm for portfolio management. The algorithm will need to analyze complex financial data and provide insightful analysis to help manage the portfolio effectively. The ideal candidate should possess advanced skills in algorithm development and have a strong understanding of financial data analysis. The project requires an algorithm that can handle complex data sets and provide real-time analysis for effective decision-making. If you have experience in developing advanced portfolio management algorithms, please submit your proposal.

    €515 (Avg Bid)
    €515 Offerta media
    19 offerte

    I am looking for a freelancer who can assist me with configuring webhooks on AWS Codebuild. The project requirements are as follows: Repository Hosting Service: Bitbucket Primary Programming Language: Java Webhook Configuration Assistance: Event Triggers and Filters Ideal Skills and Experience: - Proficiency in AWS Codebuild and Bitbucket - Strong knowledge of Java programming language - Experience in configuring event triggers and filters for webhooks If you meet the above requirements and are interested in this project, please bid and provide examples of your relevant experience. Thank you.

    €28 (Avg Bid)
    €28 Offerta media
    6 offerte
    yashthakkar -- 2 5 giorni left

    Hello, I'm looking for a Freelancer to help me with a web design project for personal use. Specifically, I'm looking for someone to create a branding/logo design for my project. This project requires creativity and a strong understanding of current web development trends. I'm confident that the Freelancer I am looking for has the expertise needed to effectively execute this project and produce a result that not only meets, but exceeds my expectations. If you think you have what it takes, please feel free to get in touch. Thanks for your time!

    €3 / hr (Avg Bid)
    €3 / hr Offerta media
    15 offerte
    Android app developer 5 giorni left
    VERIFICATO

    As an Android app developer, you will be responsible for developing, testing, and maintaining our mobile applications. You will work closely with our team of designers and developers to ensure that the app meets our clients' needs and requirements. To be considered for this position, please submit a proposal detailing your experience and how you can help with the project. Please include links to any relevant past completed projects that showcase your skills and expertise.

    €255 (Avg Bid)
    €255 Offerta media
    45 offerte

    I am looking for a Senior Java Eclipse Plugin developer who can help me with integrating my plugin with Eclipse IDE. The main function of the plugin is to integrate with other tools, specifically Eclipse IDE. The ideal candidate should have experience working on similar projects and have a strong understanding of Eclipse IDE and Basis BBj. Additionally, the candidate should have experience working with external APIs. If you are a Senior Java Eclipse Plugin developer with the necessary skills and experience, please reach out to me.

    €32 / hr (Avg Bid)
    €32 / hr Offerta media
    29 offerte

    Looking for an experienced Java and Spring Boot/Microservices professional to assist with the development and maintenance of our system. Main Goal: Integrating multiple systems to improve functionality and efficiency. Specific Features/Functionalities: - User Authentication and Authorization - Database Optimization - API Development and Integration Timeline: - Flexible, can be completed within a month Ideal Skills and Experience: - Strong experience with Java and Spring Boot/Microservices - Knowledge of database optimization techniques - Comfortable with API development and integration - Familiarity with user authentication and authorization protocols - Ability to work independently and within a team environment - Strong problem-solving skills and attention to detail - Ex...

    €302 (Avg Bid)
    €302 Offerta media
    21 offerte

    I am looking for a skilled software developer to create a Desktop Application for Bitcoin Mining. It requires a good knowledge in Blockchain and mining/architecture. The ideal candidate should have expertise in C++, Python, or JAVA / other programming language. The software must be able to run on sleep mode in the background on a desktop computer, and mine automated every moment. I am aware that mining rigs (ie. Antminer S9) are physical hardware that operates mining. I was wondering if it would be possible to create a desktop software version of this, so It can mine using CPU power? I have a Windows 10 desktop computer, and it has a 64 bit operating system. I have seen some websites offer this, but the amount mined is negligible. I was hoping for the software to mine around $200 USD p...

    €752 (Avg Bid)
    €752 Offerta media
    38 offerte

    Need an android and iOS develop Hi Freelancers I need someone good in native android and iOS apps or flutter. My app need login functionality with complete admin panel for both Android and Apple App store I would share complete details with selected candidate. Let's discuss everything in the chat.

    €1167 (Avg Bid)
    €1167 Offerta media
    210 offerte

    Intelligent IVR with TTS, STT designed to replicate the work of a collection agent: contacting people, verifying identity and proceeding/negotiating to collect outstanding payment. The chosen person will work in tandem with our existing lead developer and must be an expert with Twilio and Java, with front end knowledge and has built intelligent IVRs previously leveraging chatgpt. A small portion is already built on Twilio and Java and is in testing phase. We have very aggressive timelines.

    €1077 (Avg Bid)
    NDA
    €1077 Offerta media
    5 offerte

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