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!
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An Android App was rejected , I need developers who can do the necessary changes to get the app approved , payment terms only after successful publishing of the App . Any necessary compliance need to be done which can include Layout/ Dialog or necessary permission edits. Project Cost $20 Play Console Requirements: Violation of Play Console Requirements Rejected 30 Nov 2023 Permissions and APIs that Access Sensitive Information policy: Issues with submitted video Rejected 30 Nov 2023 All Files Access Permission policy: Need to use MediaStore API or No Access to Files Rejected 30 Nov 2023 All Files Access Permission policy: Not a core feature Rejected 30 Nov 2023
Project Overview: We are looking for an experienced freelancer to assist in capturing app traffic, bypassing encryption, and reverse engineering mobile app code. The objective is to analyze a mobile application, capture its network traffic, bypass any encryption, and reverse engineer the app's underlying logic and functionality. Requirements: Proficiency in capturing and analyzing mobile app network traffic. Expertise in bypassing encryption methods, if utilized. Strong reverse engineering skills, including code analysis. Ability to provide insights into the app's data flow and behavior. Adherence to ethical and legal standards throughout the project. Deliverables: Captured network traffic of data (if encryption is in place).Detailed reverse-engineered code project documentati...
I am looking for a freelancer who can help me with my graphics assignment using Java. I specifically need 2D graphics for this Assignment . Skills and Experience: - Proficiency in Java programming language - Strong understanding of 2D graphics concepts and techniques The project requires following detailed instructions that I will provide in a separate document. Download the 3 attached files. 1 documents with questions ( need answer ) + 2 videos attached If you have experience and expertise in Java and 2D graphics, please bid on this project. Thank you!
I am looking for a skilled developer to create a Java application that can automatically detect languages based on the phone's language. The application will be running on Android platform. Requirements: - The application should be able to handle multilingual detection. - All languages should be given equal priority in the detection process. Ideal skills and experience: - Proficiency in Java programming language. - Experience in developing Android applications. - Familiarity with language detection algorithms and techniques. - Strong problem-solving and troubleshooting skills.
Project Description: I am looking for a freelancer who can help me fix the AdMob match rate for my utility app. The ideal candidate should have experience in optimizing AdMob match rates and should be familiar with the AdMob platform. Requirements: - Experience in optimizing AdMob match rates - Familiarity with the AdMob platform - Strong knowledge of app monetization strategies - Ability to analyze and identify factors affecting the match rate - Proficiency in implementing changes to improve match rates Skills and Experience: - Experience in working with utility apps and AdMob - Knowledge of app analytics and performance tracking - Ability to troubleshoot and resolve issues related to AdMob match rates - Understanding of user behavior and targeting options to optimize match rates If yo...
Project Description: I am looking for a freelancer who can help me fix the AdMob match rate for my utility app. The ideal candidate should have experience in optimizing AdMob match rates and should be familiar with the AdMob platform. Requirements: - Experience in optimizing AdMob match rates - Familiarity with the AdMob platform - Strong knowledge of app monetization strategies - Ability to analyze and identify factors affecting the match rate - Proficiency in implementing changes to improve match rates Skills and Experience: - Experience in working with utility apps and AdMob - Knowledge of app analytics and performance tracking - Ability to troubleshoot and resolve issues related to AdMob match rates - Understanding of user behavior and targeting options to optimize match rates If yo...
I am looking for a developer to create a demonstrator of a multi-threading client-server system using Eclipse Java. Functionality: - The system should demonstrate file sharing, message passing, and remote procedure calls. - The client-server system should be able to handle multiple threads simultaneously. Specific Requirements: - The client-server system should be developed using Eclipse Java. - The code should be well-documented and easy to understand. - The system should be scalable and able to handle a large number of simultaneous connections. Preferred Programming Language: - The preferred programming language for this project is Java. Ideal Skills and Experience: - Strong proficiency in Java and multi-threading. - Experience in developing client-server systems. - Familiarity with...
I will share my details with your dm for you to confirm if you have the required skills for my project if you are sure you are best at the required skills kindly place your bid for more information
Project Title: Spock Unit Test Groovy - Test Failure Resolution Description: I am seeking a skilled developer to assist with resolving test failures in my Spock unit test. The application being tested is of complex nature, therefore experience with complex applications and test automation is required. Specific requirements for the project include: - Identifying and addressing test failures in the Spock unit test. - Analyzing the code and identifying root causes of the failures. - Implementing necessary changes and modifications to the test code to ensure successful and accurate test results. Ideal skills and experience for this project: - Strong proficiency in Groovy and Spock framework. - Experience in working with complex applications and resolving test failures. - Solid understandi...
I need a simple Android Studio app. I want it for pay the parking fee, connected to Database with information about all cars, their departure and entry times. Only in the application will it calculate the time of entry and exit of cars and display the invoice.
I am looking for a skilled developer to implement a deep learning framework for the detection and classification of lung diseases using chest X-ray datasets. The preferred framework for this project is TensorFlow and can use any recent CNN based hybrid models. Dataset: - The client does not have a specific X-ray dataset and requires assistance in finding a suitable one. Classification Model: - The desired accuracy for the classification model is more than 95% with other paramters like f1 score, recall, precision along with suitable graphs and plots. Skills and Experience: - Strong proficiency in Python is required. - In-depth knowledge and experience in implementing deep learning frameworks, specifically TensorFlow and libraries. - Familiarity with working with chest X-ray datasets and ...
Program to reveal tiktok trolls I am looking for a program that can help me identify fake accounts and track and analyze user comments on TikTok. The program should also be able to detect and report abusive behavior. I do not have any specific programming language preference for this project. Ideal skills and experience for this job include: - Proficiency in programming languages such as Python or JavaScript - Knowledge of TikTok's API and data analysis - Experience in developing algorithms for identifying fake accounts and detecting abusive behavior - Ability to track and analyze user comments effectively - Familiarity with reporting mechanisms and procedures The timeline for this project is 3-4 weeks, but there is some flexibility. I would like to potentially see all accounts ...
I am looking for a skilled developer to create an Intelligent Agent System that specializes in decision-making. The system should be developed using Java. Tasks: - The system should be able to make adaptive decisions based on machine learning. - It should analyze data and use this analysis to make informed decisions. - Automation features should be integrated into the system to streamline processes. Skills and experience needed: - Proficiency in Java programming language. - Experience in developing intelligent agent systems. - Knowledge of machine learning algorithms and techniques. - Familiarity with data analysis and automation. The ideal candidate should have a strong background in Java development and have experience in creating intelligent agent systems. They should also possess th...
I am looking for a Python programmer to assist me with a script writing project. The specific task involves web scraping, data analysis, and GUI development. For the GUI development, I have a specific design in mind that I would like the programmer to follow. I need the Python program to be completed within three days. Ideal skills and experience for this job include: - Proficiency in Python programming - Experience with web scraping and data analysis - GUI development skills - Strong attention to detail and problem-solving abilities.
I am looking for a Java developer with intermediate experience in Actor Model and CQRS Architecture to help me build a Java application with the following requirements: Main Functionality: - The application should have a user interface that allows users to interact with the system. Json Database: - The expected data size to handle in the Json Database is less than 1GB. Ideal Skills and Experience: - Intermediate experience with Actor Model and CQRS Architecture. - Strong knowledge of Java programming language. - Experience with JavaFX GUI framework. - Familiarity with Json Databases and database management. I provide a skeleton. Please note that the project requires someone with intermediate experience in Actor Model and CQRS Architecture, so please only apply if you meet this require...
Project Title: Software that allows for text to audio conversion Platform Compatibility: - The software should be compatible with both Windows and Mac operating systems. Preferred Output Audio Format: - The desired audio output format should be MP3. Level of Customization for Audio Output: - The client requires a software with moderate customization options for the audio output. Ideal Skills and Experience: - Proficiency in programming languages such as Python or Java. - Experience in developing software applications for both Windows and Mac platforms. - Knowledge of audio file formats and audio processing techniques. - Familiarity with text-to-speech conversion algorithms. - Ability to implement customization options for the audio output. - Strong problem-solving and debugging skills...
I need an expert that can make a simple android app for me if you have enough wealth of experience it will help you to complete this as soon possible, if you think you are perfect for this job kidly place bid while we discuss on this project
Project Title: Job portal Website I have a code for a jobportal Web Application and i am ready to sell my code for your use Features Required: - Job postings and applications - Resume database - Candidate matching algorithm Budget: Less than $1000 Ideal Skills and Experience: - Web development - Database management - Algorithm development - User interface design - Knowledge of job portal functionality Timeline: This question was skipped
The Task is I need someone that can give me a tutorial on connecting a very basic Android (Using Kotlin) app on android studio to AWS DynamoDB. What I need is to take a very base example and we do it together. That is it!
I'm looking for a skilled developer to modify open source programs written in Python. The required modifications are of medium complexity. Ideal skills and experience for this job include: - Proficient in Python programming language - Have a deep understanding of open source programs and their structures -Have a certain understanding of AI - Experience modifying existing code - Ability to work independently and complete projects on time
I am looking for a freelancer to assist me in uploading my Android app .apk to the Google Play Store. Requirements: - The freelancer should have experience in uploading apps to the Google Play Store. - The freelancer should have access to a Google Play Developer account. - I already have the APK file ready for upload. - I do not need assistance with setting up the app's store listing, including the description and screenshots. Skills and Experience: - Experience in uploading apps to the Google Play Store. - Familiarity with the process of uploading APK files. - Proficiency in navigating the Google Play Developer console.
[BID ONLY AFTER READING DESCRIPTION CAREFULLY] I am looking for a skilled developer based in Pakistan to integrate APIs into the frontend of my wallet app and generate an apk. The project requires the use of Anydesk for remote access and no code will be shared. API Integration: Login APIS Get and show APIS Upload images to server... ETC Frontend App is in react Backend is coded in php Timeframe: - The integration should be completed within 1 week. The developer should be able to work efficiently and meet the deadline. App Type: - The app is a wallet app. The developer should have experience in developing and working with e-commerce or utility apps. Please note that the project requires the use of Anydesk for remote access, and no code will be shared. Only developers based in Pakistan...
I am looking for a freelancer who can assist me with enhancing natural language processing using Word Embedding and Word2Vec. Dataset: - I already have a dataset that can be used for this project. Expertise: - I am looking for a freelancer with beginner level expertise in natural language processing. Skills and Experience: - Strong understanding of Word Embedding and Word2Vec - Familiarity with natural language processing techniques - Knowledge of Python programming language - Experience in handling and analyzing textual data - Ability to interpret and implement algorithms related to natural language processing If you have the skills and expertise mentioned above, please reach out to me.
Java Developer Needed for New Feature Development I am looking for a skilled Java developer to help with the development of a advertisement website with admin panel as CMS. The ideal candidate should have experience in Java programming and be familiar with Spring Boot framework. Specifics of the project: - Feature development: Development of a advertisement website with admin panel as CMS. - Timeline: The estimated timeline for this feature development is 2 weeks. - Framework preference: I would prefer the freelancer to use Spring Boot for this project. I will provide the design for both website and CMS in HTML CSS Skills and experience required: - Strong Java programming skills - Experience with Spring Boot framework - Familiarity with new feature development process - Attention to ...
I am looking for someone who can help me package my small and simple .py file into an .apk for Android. I have all the necessary dependencies and libraries installed. The final .apk should be optimized for Android. Skills and experience required: - Proficiency in Python programming - Experience with packaging .py files into .apk files - Familiarity with Android platform optimization and Kivy
I am looking for a skilled professional to conduct security testing for my web application. The ideal candidate should possess the following skills and experience: - Strong knowledge of web application security testing - Familiarity with java based applications and their potential vulnerabilities - Experience in identifying and addressing security concerns - Expertise in providing recommendations and advice for enhancing security measures If you have the necessary skills and expertise in web application security testing, DB & application penetration test please submit your proposal.
I am looking for an experienced Android app developer to create a personal college community platform for me. The app should have the following main features: - Chatting functionality: Users should be able to communicate with each other through text messages within the app. - Course information and updates: The app should provide information and updates about courses, including syllabus, assignments, and announcements. - Event calendar: Users should be able to view and add events to a calendar, including academic events, social gatherings, and extracurricular activities. I have a preferred timeline of completing the app within 1 month. Therefore, I am looking for someone who can work efficiently and deliver high-quality results within this timeframe. Ideal skills and experience for thi...
Develop a Platform for rating Cryptocurrencies - Type of Platform: E-commerce & rating - Specific Features or Functionalities: - User registration and login system (maybe KYC) - Ability for users to rate and review different cryptocurrencies - Sorting and filtering options for users to find specific cryptocurrencies - Integration with external APIs for real-time cryptocurrency data -Integration ChatGPT for the reseaching - User-friendly interface with intuitive design - Preferred Technology Stack: Open to suggestions, but considering Java or Python Attention: Very very good English or even better German Language is mandatory Before giving the job to someone, we gonna have a digital meeting, for setteling relationsships and discuss everything... If youre interestent in cry...
Project Overview: We're seeking a freelancer to assist with a dynamic project involving the creation of LLM files from raw data extracted from PDF files. Familiarity with GPT4ALL and LLAMA models is a plus. This is an excellent opportunity for a self-motivated professional who thrives in a flexible work environment. Requirements: Proficiency in Python and relevant programming languages. Experience in generating LLM files and working with language models. Ability to transform unstructured data from PDF files efficiently. Strong communication skills for project collaboration.
I am looking for a skilled Flutter developer to help me publish my app on the Play Console. The app is already developed and completed, and I just need assistance with publishing it. Ideal Skills and Experience: - Proficiency in Flutter development - Experience with publishing apps on the Play Console - Knowledge of app store guidelines and requirements This project does not have a specific deadline, but I would ideally like to have the app published within a month.
I am looking for a NODE and MQTT protocol expert who can help me with a project that requires real-time data transmission. The ideal candidate should have experience with cloud-based development platforms and should be able to complete the project within a week. Skills and Experience: - Expertise in NODE and MQTT protocol - Strong understanding of real-time data transmission - Experience with cloud-based development platforms - Knowledge of security and encryption for data transmission - Ability to ensure scalability and performance of the project Timeline: - Urgent (Less than a week) If you have the skills and experience required for this project, please submit your proposal.
Android GUI Project: Java Programmer Needed Skills and Experience: - Proficiency in Java programming language - Strong understanding of Android development - Experience with designing and implementing GUI for Android applications - Familiarity with Android 9 - Ability to work on projects with longer timelines - Familiar with git version control - Use of Mantis for tracking of issues Project Description: We are looking for an experienced Java programmer to work on our GUI project for an Android application as part of an existing team. The ideal candidate should have a strong understanding of Android development and be proficient in Java programming language. Requirements: - Proficiency in Java programming language - Strong understanding of Android development - Experience with designing...
I am looking for an experienced developer to create an IPTV application for Android. The ideal candidate should have knowledge and experience in developing applications for Android platforms. Requirements: - The IPTV application should be compatible with Android devices. - The application should have live streaming capabilities, allowing users to watch live TV channels. - There is a preference for an interactive interface design, providing an engaging user experience. Additional Information: - The application does not need to be compatible with iOS platforms. - Video on demand capabilities are not required for this project. - There is no specific preference for the interface design, as long as it is interactive and user-friendly.
Project Title: Android App Development - Banking Type Description: I am looking for an experienced Android app developer to create a banking type app within the next 1-3 months. The app should have the following features and functionalities: - User Registration and Login: Users should be able to create an account and log in securely. - Account Management: Users should be able to view their account details, balance, transaction history, and make transfers. - Security Features: The app should have high-level security measures to protect user information and transactions. - Payment Integration: Integration with major payment gateways for seamless transactions. - Notifications: Users should receive push notifications for account updates, transactions, and offers. - Customer Support: Provide ...
Experienced Automation Tester Needed for Web Application Testing Skills and Experience Required: - Proficiency in Java programming language - Knowledge of Selenium testing framework - Previous experience in testing web applications - Cucumber experience is must - Knows the use of source tree / GitHub
I am in need of an very experienced API plugin developer who can work with all around code. The plugin should be able to integrate with multiple platforms. The desired timeline for completing the development is within 2-4 weeks. Requirements: - Proficiency in Java programming language - Strong understanding of API integration - Experience in developing plugins that can integrate with multiple platforms Skills: - Java - API integration - Plugin development Timeline: - Within 2-4 weeks If you have the required skills and experience, please submit your proposal.
I am in need of a skilled developer who can upgrade my Android app from version 21 to version 31. The ideal candidate for this project should have experience in Android app development and be familiar with the upgrade process. Requirements: - Upgrade Android version 21 to version 31 - Ensure all current features and functionalities are maintained - Test the upgraded version to ensure it is functioning correctly - Complete the upgrade within a week Skills and Experience: - Proficiency in Android app development - Strong knowledge of Android versions and their compatibility - Experience in upgrading Android apps to newer versions - Attention to detail and ability to maintain current features and functionalities
I am looking for a skilled developer to create a Runescape private server with custom items and weapons. Features: - Custom items and weapons that are unique to the server - The ability to create and design custom quests and storylines Level of customization: - Completely new, unique maps that are tailored specifically for the server Preferred programming language: - Java Ideal Skills and Experience: - Proficiency in Java programming language - Experience in developing Runescape private servers - Knowledge of game development and server management
I am looking for a Java developer to create a simple Java ChatGPT project with basic chatbot functionality. The project should be completed within 1-2 weeks. Functionality: - The chatbot should be able to provide basic responses and engage in conversations with users. - It should have the ability to understand and process natural language inputs. Platform: - The chatbot will be integrated into a website and/or a mobile app. Ideal Skills and Experience: - Proficiency in Java programming language. - Experience in developing chatbots or conversational AI. Please provide examples of previous projects or relevant experience in your proposal.
Responsibilities: Refine User Interface: Enhance the user interface for optimal user experience. Edit and Delete Functionality: Implement and optimize edit and delete functionalities across all tables within the booking system. Bug Fixing: Identify and resolve any remaining bugs to ensure a smooth, error-free system. Requirements: Experience: Proven experience in Java and React development. Expertise: Strong skills in implementing edit and delete functionalities in data tables. Problem-Solving: Ability to troubleshoot and resolve issues efficiently. Detail-Oriented: A keen eye for detail to ensure a polished and professional final product.
For the record i do not know why its putting 30-250 price range i can pay higher then 30- I can pay $200 I am looking for a developer to create a script or tool that can save or load an entire webpage, even if it has not been fully loaded until scrolling. The webpage will be specifically saved or loaded in Mozilla Firefox. Requirements: - The entire webpage should be saved or loaded, including any content that has not been loaded until scrolling. - Full interactivity of the webpage is required after saving or loading. - The loading time of the saved or loaded webpage is very important and should be optimized for efficiency. Ideal Skills and Experience: - Proficiency in web development and experience with Mozilla Firefox browser. - Knowledge of JavaScript and ability to create scripts ...
I am in need of an experienced Android developer to create a communication-based application with social media integration. The ideal candidate will have a strong understanding of Android development and be proficient in integrating social media platforms into applications. Purpose: - The purpose of this Android application is to facilitate communication. Features: - The application should have seamless social media integration, allowing users to easily share content and interact with their social networks. - Other features such as in-app purchases and location-based services are not required for this project. Budget: - The budget for this Android application development is less than $1000. Skills and Experience: - Strong knowledge and experience in Android development. - Proficiency i...
I am looking for an experienced Android app developer who can help me publish my utility app on the Google Play Store. Project Requirements: - The app is a utility app and I need assistance in publishing it on the Google Play Store. - All necessary resources, including app files, screenshots, descriptions, etc., are ready for publishing. - I do not have a Google Play Developer account and need assistance in setting one up. Ideal Skills and Experience: - Experience in publishing Android apps on the Google Play Store. - Knowledge of the necessary requirements and guidelines for app publishing. - Familiarity with the process of setting up a Google Play Developer account. If you have experience in publishing Android apps and can assist me in setting up a Google Play Developer account, plea...
I am looking for a skilled developer to help me create a byte code interpreter in Python. Ideal Skills and Experience: - Proficiency in Python programming language - Strong understanding of byte code interpretation - Experience in developing interpreters or virtual machines Specific Functions and Features: - I have a specific list of functions and features that I want to be included in the interpreter. Documentation and Comments: - Detailed documentation is required for this project.
Mobile Application Development for UPI Payment - Platform: Both iOS and Android - Main Functionality: UPI payment integration - Completion Time: Within 3 months We are looking for an experienced mobile app developer who can create a mobile application for both iOS and Android platforms. The main functionality of the app will be UPI payment integration, allowing users to make secure and convenient payments. Ideal Skills and Experience: - Proficiency in iOS and Android app development - Experience in integrating UPI payment systems - Strong knowledge of mobile app security and data protection - Ability to create a user-friendly and intuitive interface - Familiarity with app testing and debugging processes - Excellent problem-solving and communication skills The project needs to be compl...
We are looking for a skilled developer with strong experience in Java, ReactJS, and Solidity to assist in the creation of a crypto wallet. The ideal candidate should have a thorough understanding of blockchain technology and be able to implement secure and efficient wallet functionalities. Responsibilities include designing and developing user-friendly interfaces, integrating blockchain APIs, and ensuring the wallet meets high security standards. Attention to detail, problem-solving skills, and the ability to work collaboratively are crucial for this project.
I have some errors that came up during runtime and wanted someone to check them out and offer some guidance on what could be causing the errors.
I am looking for a skilled Android app developer to create a custom app for an ear endoscope camera. The primary function of the camera in the app is for medical diagnosis. Features required for the app include: - Video recording functionality - live streaming The client is open to suggestions for the design and branding of the app. You search for Ear endoscope camera in amazon.in. Some of the brand are portronics, soulear Ideal skills and experience for this job include: - Proficiency in Android app development - Experience with video recording and streaming Please provide examples of previous work related to custom app development, particularly in the medical field, when submitting a proposal.
I'm looking to hire someone for API's for, Cable, Electricity, and Water Utilities Bill Payments in the United States.
I am seeking an expert in Visual Studio 2022 software to assist me with creating user interfaces. The specific tasks for this project include debugging code, creating user interfaces, and integrating external libraries. The deadline for the completion of this project is within a week, so I am looking for someone who can work efficiently and effectively. I have specific design and aesthetic preferences for the user interface and will provide guidelines for this. However, I am also open to suggestions and ideas from the freelancer. Ideal Skills and Experience: - Proficiency in Visual Studio 2022 software - Strong understanding of debugging code - Experience in creating user interfaces - Knowledge in integrating external libraries - Ability to work within a tight deadline - Attention t...