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!
Asiakkaamme antoivat 272,866 arvostelussa keskimääräisen arvosanan Java Developers 4.85 / 5 tähteä.Palkkaa Java Developers
Important: Please set a realistic bid so please read carefully: I want to create an Android app that starts a browser in full screen (kiosk) mode and has a screensaver that turns off the screen but goes back on when any touch on the screen occours.
I am looking for an experienced developer to assist me in completing an important project. Specifically, I need someone to Docker a Java project and create a broadcast between the servers. The purpose of this broadcast is for real-time data synchronization. The complexity of the Java project can be described as simple. I do have some requirements for the Docker configuration, but I am open for the developer to suggest their ideas. This project needs to be completed quickly and accurately, so only those with previous experience should apply.
Title: Code Error Debugging - Immediate Deadline I am seeking a skilled programmer to assist me in error debugging for a Python code within a tight deadline of 24 hours. The code is written in Python and requires immediate attention to resolve any errors. Specific Requirements: - Error debugging: Identify and fix any coding errors and issues within the code. - Code structure and readability: Review and improve the overall structure and readability of the code. Ideal Skills and Experience: - Strong proficiency in Python programming language. - Extensive experience in error debugging and troubleshooting. - Solid understanding of code structure and best practices for readability. - Ability to work efficiently and meet tight deadlines. If you possess the required skills and expertise, I wo...
Project Description: Adrino to mobile I am looking for a developer who can create a mobile app for me that performs data logging. The app should be developed specifically for the Android platform. The desired user interface for the app should be simple and user-friendly. Ideal skills and experience for this project include: - Proficiency in Android app development - Experience with data logging functionality - Strong understanding of user interface design principles - Ability to create a simple and user-friendly app If you have the skills and experience necessary for this project, please submit your proposal.
I am looking for a skilled programmer who can assist me with a project involving the modification of a specific system call in the xv6 operating system. Specifically, I need to modify the creation time in the kernel. In addition to this modification, I also need to gather statistics on memory usage from the system. The ideal candidate for this project would have experience with xv6 and a strong understanding of system calls and kernel programming. The expected turnaround time for this project is more than 5 days.
I am looking for a DSA expert who is proficient in implementing data structures and algorithms on the fly. The ideal candidate should have experience in working with the following specific topics: - Arrays and Strings - Stacks and Queues - Linked Lists and Trees - Searching, Sorting - Graphs and Dynamic Programming The project requires the freelancer to use Java as the programming language. The deadline for this project is flexible, with a timeframe of 4 weeks. Skills and Experience: - Strong knowledge of data structures and algorithms - Proficiency in Java programming language - Copy-paste code from hacerrank and leetcode is not acceptable.
I am looking for a skilled mobile developer to create a home automation application with MQTT and AWS server integrations. The primary purpose of the app will be remote control, and it should be designed for both iOS and Android operating systems. The home automation device I’m using is smart bulbs, which the application should be able to monitor and control. I would also like the app to be able to schedule operations, as well as monitor energy usage. If you think the challenge is something you’d be interested in, please reach out and let’s discuss further details.
I am in need of a skilled Android developer to create a sip dialer application for me. The application should have the following features: - Call recording - Call transfer - Video calling (optional, but preferred) I am unsure if I require any form of encryption for the calls, so the developer should have experience in implementing secure communication protocols. While I do not have a specific design in mind, I would prefer a user-friendly interface for the dialer. The developer should have experience in creating intuitive and visually appealing user interfaces. Overall, I am looking for a reliable and experienced Android developer who can create a high-quality sip dialer application with the aforementioned features and a user-friendly interface.
Hello, I am looking for an experienced Android app developer to create an app for my business. I have a clear vision for the app, and need the project completed in less than one month. The app will include features and functionalities to provide productivity and easy coordination across business stakeholders. The person I’m looking for should possess extensive technical knowledge, be creative and have a deep understanding of current trends and technologies. I would also prefer someone who can work within a tight time frame and knows how to optimize resources for maximum results. I am seeking an enthusiastic and experienced programmer with solid attention to detail who is familiar with the Android development process. This project requires strong problem-solving, design, coding, a...
I am looking for someone with experience to help me transform some Excel data into a specific ETL format. This project is urgent and must be completed within 24 hours. Therefore, I am seeking someone with experience in this type of work who can see the job through quickly and efficiently. The ideal candidate should have previous work experience in transforming large data sets into a specific format, as well as the ability to work under pressure of tight deadlines. If you think you are the right person for the job, please submit your past work samples and a detailed project proposal when applying.
I am looking for a Java developer to implement specific functionality in Java within a tight timeframe. The project requires expertise in data processing, GUI development, and networking. Specific requirements will be provided, and the implementation needs to be completed within 1-2 days. Skills and experience required for this project include: - Proficiency in Java programming language - Experience with data processing and manipulation - Strong knowledge of GUI development using Java - Familiarity with networking protocols and concepts If you have the necessary skills and can meet the urgent timeline, please submit your proposal.
I am looking for an experienced Android app developer who can create an app that can detect plant diseases. Backend Development: - The app will require backend development to handle the data and processing required for detecting plant diseases. Functionality: - The main functionality of the app will be to analyze images of plants and identify any diseases present. - Users should be able to take a photo of a plant and receive an analysis of any diseases detected. - The app should provide information on the identified disease and possible treatments. Timeline: - I would like the app to be completed within 3 months. Skills and Experience: - Strong knowledge and experience in Android app development. - Experience with backend development for handling data and processing. - Familiarity wit...
I am looking for a developer to help me with a project that involves developing a synchronous interprocess communication using the fork() and pipe functions in the C programming language. Specific requirements for the pipe implementation are not necessary, but I have a general idea of how I want it to work. I would like the project to be completed within 7 days, so a quick turnaround time is important. Ideal skills and experience for this job include: - Strong proficiency in C programming language - Knowledge of interprocess communication and the fork() and pipe functions - Ability to work efficiently and meet tight deadlines
Having task to do with Java, operating system
I have been building a mobile application using react-native framework with the help of expo. After spending a really long time building and testing it only on an IOS emulator, I was surprised that it does not run on android devices. It kept saying “Application keeps stopping”. If you have any idea or a solution for this please contact us.
Hi All, we looking for a developer to create a Mobile recharge, ticket booking, and Vehicle rental service full stack web and app. The platforms I want the web and apps to be developed for are iOS and Android. For multiple country (Sri Lanka, India, Australia, Samoa, Tonga, Cook Island, Fiji Island and plus more countries) Mobile recharge:- () Ticket booking:- BUS Ticket TRAIN Ticket FLIGHT Ticket Vehicle rental:- BUS VAN CAR MOTERBIKE THREE-WHEELER Features: - I have a rough idea of the specific features I want for the web and apps, but I am open to suggestions and further development of the ideas. Timeline: - The timeline for this project is 1-5 months. Ideal Skills and Experience: - Experience in developing full stack web and mobile applications for both iOS and Android platfo...
I am looking for a developer to help me with a project that involves developing a synchronous interprocess communication using the fork() and pipe functions in the C programming language. Specific requirements for the pipe implementation are not necessary, but I have a general idea of how I want it to work. I would like the project to be completed within 7 days, so a quick turnaround time is important. Ideal skills and experience for this job include: - Strong proficiency in C programming language - Knowledge of interprocess communication and the fork() and pipe functions - Ability to work efficiently and meet tight deadlines
Java Google App Engine Creation Application Project Overview: - I am looking for a skilled developer to create a Java-based application using Google App Engine. - The application should have specific functionalities, including user authentication and authorization, database integration, and API integration. Skills and Experience Required: - Strong proficiency in Java programming language. - Experience with Google App Engine and its various services. - Familiarity with user authentication and authorization systems. - Knowledge of database integration and working with APIs. - Ability to deliver high-quality code and meet project deadlines. Timeframe: - The desired timeframe for project completion will be determined based on further discussions and project requirements.
I need an Android and IOs APK to receive messages. The most clear and fast possible. must have: - screenshot block, so the user cant take an screenshot of the apk - Way to admin users. As admin, i should be able to create, block or expell users, and i decide which messages every user receives. Example: User1 receive messages from fonts A B C, User2 receives from B and D - Every user can log once at time, not multi logging, if he logs in other device he should be logged out from the first one. - I will send messages via API (the same way you could send messages to a telegram bot), there would be several channels like channel A B C D.... and i can send a message to group A then the users able to read group A will read the messages. - The apk will make a notification sound when they receive...
Software Marketing - Java Android App Budget : $100 Project Details: Acceptance Criteria: - Turn the Slot game source code into the H5 website - Create a new Android app based on the source code template we provide. - Make necessary modifications to the app source code to make sure the app integrates with our backend system. - Make necessary modifications to the event tracking codes and it should integrate with Adjust. - Deep linking should be working as expected as well. - Submit and be **RESPONSIBLE** to make sure the app is approved and published in the PlayStore. - Slot game source code, Android App template, and Android Developer Account will be provided
Mobile App Developer for Android Data Collection App Skills and Experience: - Proficient in Android app development - Experience with data collection app development - Strong knowledge of Java and/or Kotlin programming languages Project Description: I am looking for a skilled mobile app developer who specializes in Android app development to create a data collection app. The app will be used for collecting and storing data on Android devices. Primary Function: The main purpose of the app will be data collection. Users will be able to input and store various types of data using the app. Platform: The app will be developed specifically for Android devices. Preferred Programming Language: There is no specific preference for the programming language, but strong knowledge of Java and/or Ko...
I am looking for a software developer to create a software similar to I would like to include all the features from the website. Programming Language/Platform: - I am open to suggestions and do not have a specific preference. However, it must be open-source. Timeline: - I would like the project to be completed within 3-6 weeks. Ideal Skills and Experience: - Experience in software development and creating web applications. - Proficiency in programming languages such as Java, Python, or Ruby. - Familiarity with open-source platforms and frameworks. - Strong problem-solving and debugging skills. - Attention to detail and ability to deliver high-quality work within the given timeline.
I am looking for a skilled Java developer who can decode and analyze the current java jar file of my project. The purpose of the jar file is user interface development, so understanding its coding is crucial for maintaining and enhancing the project. Specifically, I have specific features and functions in mind that I would like to maintain and possibly enhance. Therefore, I need someone with experience in user interface development who can work with the existing coding to make the necessary updates and improvements. Coding size about 830KB, considered as small-medium project As for the deadlines, they are flexible. I am looking for someone who can dedicate their time and expertise to this project and deliver high-quality results within a reasonable timeframe. Skills and experience req...
Title: Traffic Bot Development using Python Project Description: I am looking for a skilled Python developer to create a traffic bot that can generate organic traffic across multiple platforms. The main purpose of this bot is to increase the visibility of my website. Ideal Skills and Experience: - Proficiency in Python programming - Experience in developing traffic bots or similar automation tools - Knowledge of web scraping techniques and API integration - Familiarity with various platforms and websites where traffic generation is desired - Understanding of SEO principles and strategies - Ability to analyze and interpret data to optimize traffic generation efforts Key Requirements: 1. Organic Traffic Generation: - Develop a bot capable of generating organic traffic to increase the v...
I am looking for a Java developer who can help me resolve a build failure issue in my Eclipse build environment. The project is currently using Java 8. Skills and experience required: - Strong knowledge of Java programming language - Experience working with Eclipse IDE - Familiarity with build failure troubleshooting and debugging - Proficiency in resolving build environment issues If you have experience in resolving build failures specifically in Eclipse using Java 8, please reach out to me. Thank you!
I am looking for a skilled Java developer to work on a MicroManager 2.0 project. The main focus of this project is developing a plugin for MicroManager 2.0. Specific requirements for this project include: - Develop a plugin for MicroManager 2.0 - Interact with other MicroManager plugins The ideal candidate should have: - Strong experience in Java development - Experience with developing MicroManager plugins The expected timeline for this project is less than 1 month.
I am looking for a freelancer to write a simple copy trading bot code for me. The bot should be able to track down 4 specific wallets and copy their buys/sells on Uniswap. Programming Language: Python Requirements: - The bot should be able to track and monitor the specified wallet addresses. - It should be able to execute trades automatically on Uniswap based on the actions of the tracked wallets. - The bot should be able to copy the buys and sells made by the tracked wallets. - It should have the capability to perform trades in real-time. Ideal Skills and Experience: - Strong proficiency in Python programming language. - Experience in developing trading bots or similar automated trading systems. - Familiarity with Uniswap and its trading mechanisms. - Knowledge of API integration to i...
I am looking for an experienced Android developer to make some feature enhancements to my existing app. I have a detailed list of the specific changes that need to be implemented. Skills and Experience Required: - Strong proficiency in Android development - Experience with implementing feature enhancements in Android apps - Knowledge of UI/UX design principles - Ability to work within a tight timeline and deliver the enhancements within 1 week.
I am looking for an experienced or fresher HR professional to help me hire a software developer based on their level of experience. Specific technical skills are required for this role, and I will provide a list of these skills. I prefer the software developer to be located in my local area. The ideal candidate for this project should have mid-level experience in software development. Skills and experience required for the job: - Experience in HR and recruitment - Familiarity with software development and technical skills - Ability to evaluate and assess candidates based on their technical expertise - Strong communication and negotiation skills to facilitate the hiring process. strong in JAVA ,PYTRHON
I am looking for a skilled C# developer who can create a timeline chart using Apex chart. The chart will display dates and events. Design: - I have a specific design in mind for the timeline chart. Interactivity: - I require a normal level of interactivity for the chart. Ideal Skills and Experience: - Strong proficiency in C# - Experience with Apex chart - Knowledge of working with timeline charts - Ability to implement custom designs - Understanding of chart interactivity Please provide examples of previous projects or relevant experience when submitting a proposal.
Project Description: I am looking for an experienced developer to create an Android application for food ordering. The application should have the following features: - Payment Processing: The app should allow customers to make payments securely and conveniently. - Integration with Website: The application should be integrated with my existing website, allowing customers to place orders through both the app and the website. - Standalone Application: The app should be standalone and not require integration with any other existing systems. Ideal Skills and Experience: - Proficiency in Android app development. - Experience in integrating mobile applications with websites. - Knowledge of payment processing systems and security protocols.
Hello, I need a working example of a java maven project having some jsp. The maven project should compile the jsp to .class files. the jsp should contain tag lib java version 1.8 maven version is 38.4
Hello Everyone, we are looking for a trainer who can deliver training on Java full stack. Training: Java full stack Mode : Offline (Hyderabad/Chennai/Pune) TOC : Available
Hi I will share the details with the shortlisted candidates. Thanks
I am looking to modernise a programme and add new functions for property management. we use an old outdated programme and want this new programme to have similar features but in a modernised style with some extra features added I trust the freelancer's expertise and am open to their language and framework suggestions to best meet the needs of the project. The main goal is to improve the efficiency and performance of the programme. I am looking for a freelancer who is able to complete the project within 1 month. If you feel you have the relevant experience and skills, please get in touch with me. Thank you. based in Manchester
Project Description: I am looking for a skilled developer who can create .xml files for a new Android app. I will provide reference to the app i want to make similar. Requirements: - Experience in creating .xml files for Android apps - Knowledge of app navigation and user interface design - Knowledge with compile/decompile app
Whatsapp Bot should sync an ftp folder (fotos jpg or png) to the whatsapp group continuously. It should sync but only on new fotos been added to a dedicated ftp folder. I want to implement more than one computer and Bots. No replies is needed on messages with bot. Above software or setup should be capable of reinstalling and setting up on more than a few computers. Windows Based Computer and Ftp is not needed. If needed to run cell phones on the side it should be also fine but everything should be Automated without supervision.
Bot should be added to an group that runs on an computer and capable of syncing network fotos from folder to group asoon as new foto is uploaded to computer folder the bot should notify the group. Would like to implement more than 1 computer with the software ect
JSP Project update I am looking for a JSP developer who can help me with adding new features to my project. I already have a specific design in mind for the UI/UX improvements and function improvements. I need these updates and changes to be completed soon. Requirements: - Menu layout update ( max 3rd level submenu) - Search function enhancement - Jenkins deploy and test server environment setup Ideal skills and experience: - Strong proficiency in JSP development - Jenkins - Windows server, IIS and WAS - Experience with UI/UX design and implementation - Ability to work within tight deadlines - Preferred skill Need to understand Korean sentences. Skills required Java, JavaScript, Jenkins, JSP, Oracle ?250USD - 750USD ?GimenezTech from Almassora , Spain
I have a Google sheet where by i take entry from my customers which given some variables and based on that I allot the salesman I would like to automate this by writing a script based on past salesman performances
I am looking for a JSP developer who can help me with adding new features to my project. I already have a specific design in mind for the UI/UX improvements and function improvements. I need these updates and changes to be completed soon. Requirements: - Menu layout update ( max 3rd level submenu) - Search function enhancement - Jenkins deploy and test server environment setup Ideal skills and experience: - Strong proficiency in JSP development - Jenkins - Windows server, IIS and WAS - Experience with UI/UX design and implementation - Ability to work within tight deadlines - Preferred skill Need to understand Korean sentences.
Need an appointment Android app. should be build using java and android studio. firebase integration required.
I am looking for a developer to help me with a project that involves developing a synchronous interprocess communication using the fork() and pipe functions in the C programming language. Specific requirements for the pipe implementation are not necessary, but I have a general idea of how I want it to work. I would like the project to be completed within 7 days, so a quick turnaround time is important. Ideal skills and experience for this job include: - Strong proficiency in C programming language - Knowledge of interprocess communication and the fork() and pipe functions - Ability to work efficiently and meet tight deadlines
Project Title: Pakistan Mobile Number Verification Purpose: - The purpose of obtaining the Pakistan mobile numbers is for verification purposes. Network Provider Preference: - There is no specific network provider preference. Number of Mobile Numbers: - We are looking to obtain more than 50 mobile numbers. Ideal Skills and Experience: - Experience in data gathering and verification - Familiarity with Pakistan's mobile network providers - Proficiency in data entry and organization
Project Description: Servlets JSP I am looking for a developer who can assist me in implementing dynamic web page generation using Servlets and JSP. Specific functionality needed: - Dynamic web page generation Skills and experience required: - Comfortable with writing servlet code Ideal candidate: - Strong proficiency in Servlets and JSP - Experience in implementing dynamic web page generation - Familiarity with user authentication and data processing and storage is a plus Scalability: - The scalability requirement depends on the specific needs of the project. Further discussion is needed to determine the scalability requirements. Its fixing bugs and developing reports
Project Description: Android App Development within 1 month We are looking for an experienced Android app developer to create a mobile application with the following requirements: Platform: Android Functionality: Like win Timeline: Within 1 month Ideal Skills and Experience: - Proficiency in Android app development - Strong knowledge of Java and Kotlin programming languages - Experience with e-commerce app development - Familiarity with social networking app development - Ability to create a user-friendly and visually appealing interface - Strong problem-solving and debugging skills - Excellent communication and collaboration skills If you have the necessary skills and experience, and are able to complete the project within the specified timeline, please submit your proposal.
Java SOAP based project Hi We have exmaple @Bean public JaxWsPortProxyFactoryBean myJaxWsClient() { JaxWsPortProxyFactoryBean jaxWsPortProxyFactoryBean = new JaxWsPortProxyFactoryBean(); (new My_Service()); (().getContextClassLoader().getResource("META-INF/")); ("urn:net:abc"); ("MyService"); (); ("http://abc:8080/test"); ("username"); ("password"); return jaxWsPortProxyFactoryBean; } this code refer from we need similar implementation in spring 3 version to consume api We have connectivity FrontEnd >>>> InboundGateway>>>>BackendAPI>>>>OutboundGateway>>>ThirdpartyWe need to connect from backend to outbound gateway using https connectio...
1. we need help in java 8 code we have gateway where we connect our application and gateway connect third party vendor. We are communicating with third party vendor by soap services. we are using spring boot application Using library in java 8 spring below 3 we have JaxWsPortProxyFactoryBean t specifying servicename, portname, namespace we are now connectin to gateway using http but we need to connect usi https how we can connect to gateway using sslsocketfactory and JaxWsPortProxyFactoryBean or any other method let us know 2 what is alternative for JaxWsPortProxyFactoryBean in java 17
I am looking for a skilled freelancer to help me with adding new features to my existing AI project based on Machine Learning technology. The project requires someone who can work quickly and efficiently as I need it completed as soon as possible. Skills and Experience: - Strong knowledge and experience in Machine Learning - Proficient in programming languages such as Python or R - Familiarity with AI frameworks and libraries - Ability to understand and work with existing codebase - Attention to detail and ability to debug and fix errors when necessary