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!
Nga 265,269 vlerësimet, klientët vlerësojnë Java Developers 4.84 nga 5 yje.Punësoni Java Developers
I am looking for a full stack developer to join our team for the ongoing development of a Hospital Management Software and Android App. Skills and Experience: - Proficiency in Java, Python, C++ and Php - Experience in developing hospital management systems and Android apps - Strong knowledge of database management and integration at MySQL - Native android app development and app architecture - Ui/Ux The project is currently in the partial development stage and we are aiming to complete it within 1-3 months. If you are a skilled and experienced full stack developer with a strong background in hospital management software and Android app development, we would love to hear from you.
I am looking for a skilled freelancer to develop a telecalling CRM for my customer support team. Purpose: - The main purpose of the CRM will be to streamline and optimize our customer support processes. Features: - While I don't have specific features in mind, I have a rough idea of what I need. I am open to suggestions and any useful features that can enhance our customer support operations. Number of Users: - The CRM will be used by more than 10 users, so it should be capable of handling multiple users simultaneously. Ideal Skills and Experience: - Strong experience in developing CRM systems, particularly for customer support purposes. - Proficiency in programming languages and frameworks such as PHP, Java, or Python. - Knowledge of database management systems and inte...
i am work on pdf reader android app and i face this problems: 1: i made bottom navigation view but when i choose one of them then return back the app shutdown. 2: when i press floating action bar button to open new pdf file from another fragment rather than home fragment the app shutdown. i want the problems to be solved online through anydesk.
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.
Project Title: Telegram sniper bot Main Purpose: - The main purpose of the bot is to facilitate automated trading on the Telegram platform. Specific Features: - The bot should have the capability of auto-buying assets based on predefined criteria. Preferred Platforms: - The bot should be designed to function specifically on the Telegram platform. Ideal Skills and Experience: - Experience in developing Telegram bots and integrating them with trading platforms. - Proficiency in programming languages commonly used for bot development, such as Python or Node.js. - Knowledge of automated trading strategies and techniques. - Familiarity with the Telegram API and its capabilities. - Understanding of cryptocurrency exchanges and their APIs, particularly Binance, Kraken, and Bitfinex.
I am looking for an experienced mobile app developer to create an Android app that focuses on entertainment. Platform Compatibility: - The app should be compatible with Android devices. App Functionality: - The primary function of the app will be to provide entertainment to users. Design and Features: - The client has specific ideas in mind for the design and features of the app. Ideal Skills and Experience: - Strong proficiency in Android app development. - Experience in creating entertainment-focused apps. - Ability to work with specific design ideas provided by the client.
Looking for a Java tester/developer with experience in statistical data analysis who can write Java code inside a BDD JUnit Cucumber framework who specializes in data extraction and analysis from CSV files. The major emphasis is on developing robust statistical approaches, notably solving issues with standard deviation computations where the usual Java library may fall short.
I am looking for an experienced JavaScript developer who is proficient in Java script and canvas. The focus of the project will be on specific requirements and features that I have in mind. The timeline for this project is less than 1 month. Ideal Skills and Experience: - Expertise in JavaScript and canvas - Experience with Java script frameworks and libraries such as Sock js, cruento client. Strong problem-solving skills and ability to understand and implement specific project requirements - Good communication skills to collaborate effectively on the project timeline and deliverables
Project Description: - I am looking for a skilled developer to make a small patch in my application. - The application was developed using [programming language]. - The patch is required to fix a specific bug where the function in the app is not displaying the value t. - I have access to the source code of the application. - The ideal candidate should have experience in [programming language] and be familiar with debugging and patching applications. - Attention to detail and the ability to work efficiently are essential for this project. - The patch should be implemented in a timely manner to ensure the smooth functioning of the application. - Please provide examples of previous work or relevant experience in your proposal.
Project Title: User interface for an Educational Mobile App Project Description: - I am looking for a skilled UI designer to create a user interface for an educational mobile app. - The app will be designed specifically for mobile devices. - The main goal of the app is to provide educational content and resources to users. - The design should be visually appealing and user-friendly, with a focus on creating an engaging learning experience. - The client has specific design requirements and preferences for the color scheme and style. - The ideal candidate should have experience in designing user interfaces for mobile apps, particularly in the educational sector. - Proficiency in UI design tools and software is required. - Attention to detail and the ability to create intuitive and visually ...
I am looking for an IoT developer to help me with a project focused on industrial automation. I am starting from scratch and do not have an existing IoT infrastructure. The expected timeline for the completion of this project is moderate, around 3-4 weeks. Skills and experience needed: - Strong knowledge of industrial automation and IoT technologies - Experience in developing IoT systems for industrial applications - Proficiency in programming languages such as C++, Java, or Python - Familiarity with networking protocols and communication technologies used in IoT - Ability to design and implement secure and scalable IoT solutions - Understanding of data analytics and visualization for IoT applications.
I am looking for a skilled developer to create Telegram bots for my business with a focus on sales and marketing. Functionality: - The bot should have features that support sales and marketing activities, such as lead generation, product promotions, and automated messaging. - It should also be able to collect and analyze data related to sales and marketing performance. Programming Language: - There is no specific preference for the programming language. The developer can choose the language they are most comfortable with. Integration: - The bot needs to integrate with social media platforms to streamline marketing efforts and reach a wider audience. Ideal Skills and Experience: - Proficiency in creating Telegram bots with a focus on sales and marketing functionalities. - Experience in...
Seeking a software developer with expertise in Java, Php, Sql for a web development project involving developing a calculator to be embedded in the website. The ideal candidate should have experience in developing web applications using Java pr python and integration of same with database. The purpose of the software is to create a web-based calculator for data analysis. The excel format prototype of the calculator will be provided which needs to be converted into web based app which is capable of storing data, making calculations and allowing the user to download the results in pdf or emailing it. The user need to be verified by email verification link. The project needs to be completed within a timeline of less than 10 days.
I am looking for a skilled software developer to create an Agricultural Software Program for my farming business. The program should have the following features: - Inventory Management: The software should allow me to easily track and manage my agricultural inventory, including seeds, fertilizers, and equipment. - Crop Monitoring: I need the program to provide real-time monitoring of my crops, including growth, health, and any potential issues. - Financial Analysis: The software should have the capability to analyze financial data related to my farming operations, including expenses, revenues, and profitability. Ideal skills and experience for this job include: - Strong programming skills in Java, Python, or C++ - Knowledge of agricultural practices and terminology - Experience in devel...
you will use JUnit to perform Unit and Integration testing on the UniLife game. You need to download the game from GitHub. and run it your machine. Your auto testing code should include many different assertion statements (at least 7 different ones), such as assertEquals(), assertTrue() / assertFalse(), assertSame() / assertNotSame(), assertThat(), assertNull(), assertNotNull, etc. You also need to use annotations, fixtures, and some TestSuite() statements. For organization purposes, you may create an additional directory (folder) inside the directory of the game project to include all the unit test cases. In order to perform Integration testing, you will apply the Pairwise/Du technique to the methods you choose (two pairs are enough). In order to do so, you need to determine the code p...
I would like to create a wiki of small-scale business models worldwide. I'm unsure whether this should live on Wikipedia, live on a smaller platform, or live on a specially designed software base. I would like to buy up to one hour of a programmer's time to understand my options.
Necesito desarrollar una aplicación donde se le coloque un filtro de una botarga cuando detecte a este mismo en la camara frontal de la aplicación, esto mediante MediaPIPE, ya contamos con el modelo de la botarga y se detecta la persona en la aplicación, solo falta implementarlo. Categoría: Programación y Tecnología Subcategoría: Programación de Apps. Android, iOS y otros ¿Cuál es el alcance del proyecto?: Cambio mediano ¿Es un proyecto o una posición?: Un proyecto Actualmente tengo: Tengo las especificaciones Disponibilidad requerida: Según se necesite Plataformas requeridas: Android Necesito: Modificar una app existente Tipo de app: Utilidad - Aplicación de utilidad (flash, calculadora, etc...
I am looking for a skilled developer to create an Enterprise Transaction Monitoring System for my business. The system needs to monitor all types of transactions within the enterprise in real-time. Scope: - Monitoring all types of transactions within the enterprise Preferred Programming Language: - Java, Python/Scala, System Requirements: - Real-time transaction monitoring, Data pipelining/streaming, Analytics Ideal Skills and Experience: - Strong proficiency in Java programming language - Experience in developing transaction monitoring systems - Knowledge of real-time data analysis and processing - Familiarity with enterprise-level transaction monitoring practices and techniques If you have the necessary skills and experience to develop an efficient and reliable Enterprise Transactio...
项目 视频教程 I need someone to help me get this project up and running on my computer
Project Title: Chatbot for Food Web Platform: Website Main Purpose: Food Ordering, order tacking, payment gateway,suggesting food on previous choices, veg, non veg, vegan, ingredients of food, ordering food by image processing of food in chat bot etc Required Skills and Experience: - Experience in building chatbots on websites - Proficiency in NLP (Natural Language Processing) and Python - Familiarity with food ordering systems and integration - Ability to design and implement a user-friendly interface for food ordering - Knowledge of AI technologies for chatbot development Project Description: We are looking for a skilled developer to create a chatbot for our food web. The chatbot will be built on our website and its main purpose will be food ordering. We require expertise in NLP an...
Need help on a project required android app development skills.
Hello Freelancers, We are a dynamic and forward-thinking forex brokerage gearing up for an exciting venture. As part of our growth strategy, we are seeking highly skilled and experienced individuals or teams with a proven track record in developing bots tailored for forex trading. Job Overview: We are not looking for bots that execute trades; rather, we need sophisticated tools that can contribute to our risk management processes. The ideal candidates will have a deep understanding of the forex market and possess the technical expertise to create bots that enhance our risk mitigation strategies. Requirements: Proven Track Record: We require individuals or teams with a demonstrated history of successfully developing and implementing forex trading bots. Please be prepared to showcase your...
Project Description: - I am looking for an Android developer to fix a small bug in my app. - The specific issue I am experiencing is that the app is crashing on launch. - I have access to the source code of the Android app. - The app should support the latest versions of the Android OS. - The ideal candidate should have experience in Android app development and debugging. - Knowledge of Java and Android Studio is required. - Attention to detail and the ability to troubleshoot and fix bugs in a timely manner is essential. - The project should be completed within a specified timeframe. - The developer should be able to provide regular updates and communicate effectively.
Company Description We are on a mission to teach the world how to code, by creating engaging learning experiences for beginners as well as experienced professionals to grow and excel in their careers. Role Description This is a part-time remote role for a Full Stack Course Developer and Instructor (Java/Spring Boot & React). We are looking for a Full Stack Course Developer and Instructor with expertise in Java, Spring Boot, and React. The ideal candidate will develop a complex, real-world e-commerce application as the foundation for our course, covering both backend and frontend technologies comprehensively. Qualifications Proficiency in Java, Spring Boot, and React, with hands-on experience in full-stack development. 5+ years of experience developing web applications with Java/S...
I am looking for a web developer who specializes in JavaScript to work on my project. The ideal candidate should have experience in web development and be proficient in JavaScript. Specific requirements for the project include: - Developing a website using JavaScript - Implementing the existing designs and wireframes that I have provided - Ensuring the website is responsive and user-friendly - Optimizing the website for speed and performance Skills and experience required: - Proficiency in JavaScript - Strong understanding of web development principles and best practices - Experience with responsive design and user interface development - Familiarity with HTML and CSS - Ability to work with existing designs and wireframes If you are a skilled web developer with experience in JavaScri...
I am looking for a freelancer who can make specific changes to my JavaFX project. The changes include adding music and replacing characters. Skills and experience needed: - Proficiency in JavaFX - Experience with UI/UX improvements - Ability to implement functionality enhancements - Strong debugging skills for bug fixes Specific requirements: - Assistance in finding the necessary music files - Ability to provide suggestions for character replacements Timeline: - Urgent (Within 24 hours)
I have made a javafx project but now I want to add music to it and replace some characters
Experience in - Generative AI in Data Management, Processing, Visualization I am looking for a freelancer who can work on a project that involves generative AI in the field of data management, processing, and visualization. We want to do POC which requires expertise in data management, advanced AI functionalities, and proficiency in Python programming language. Key Requirements: - Expertise in data management to handle large datasets and ensure data integrity - Experience with advanced AI functionalities to implement generative models for data processing and visualization - Proficiency in Python programming language to develop and deploy AI algorithms and models - Familiarity with data processing techniques and visualization libraries in Python - Strong problem-solving skills and ability...
I am looking for an experienced Android app developer to create a advertisement/promotion app with a specific design in mind. The app should have specific functionalities and features that I have in mind. Ideal skills and experience for the job: - Proficiency in Android app development - Experience in creating social networking apps - Strong knowledge of UI/UX design - Ability to implement specific functionalities and features as per my requirements
Project Description: - I am looking for an Android developer to fix a small bug in my app. - The specific issue I am experiencing is that the app is crashing on launch. - I have access to the source code of the Android app. - The app should support the latest versions of the Android OS. - The ideal candidate should have experience in Android app development and debugging. - Knowledge of Java and Android Studio is required. - Attention to detail and the ability to troubleshoot and fix bugs in a timely manner is essential. - The project should be completed within a specified timeframe. - The developer should be able to provide regular updates and communicate effectively.
I am looking for a Kotlin Developer to work on my existing app. I need someone who can add new features to the app. There is no specific deadline for this project. Ideal skills and experience: - Proficiency in Kotlin programming language - Ability to add new features to an existing app - Strong problem-solving and debugging skills
I am looking for an Experienced developer in C/C++ and Java (Android) who can help me create a .SO file for use in my Android app. Objective: - To hide certain app functionality inside a .SO so it makes it harder for the functionality to be reversed. - The .SO will be consumed by the Android app So for example, currently there is just a Java Class with Methods and the Android app calls those various Methods as required. In this case sending data to the server and getting a response. Decompiling the APK will reveal some information in that code. However if I have a .SO file instead and use that, it is much harder to reverse and find the information. Functionality: - I have converted a Java Class to C using an online converter. - The Class has multiple Methods that are used by the ma...
I am looking for a skilled developer to create a Report Generator App which exposed as a Web app (or runs as CLI). The app will be responsible for generating reports which relies on Excel sheets as data source, and PowerPoint template and ultimately generates a PPT or PDF. An preferably packed as a docker image. Skills and experience required for this job include: - Proficiency in web development languages such as HTML, CSS, and JavaScript, Java or .NET, Web Services. - Experience in building web applications and working with excels and PPT - Familiarity with report generation frameworks to read and write to Excels/PowerPoint embedded tables and charts. - Experience with dockers and docket images. - Attention to detail and the ability to create visually appealing and user-friendly interfa...
Please only apply if you have relevant experience building swaps in the past and can submit a working example live on the web. Please read this completely before applying. I have gotten quotes for the deskop only version of what I am looking for in the range of $300 to $500. So I am making this project value between $300-$500. The swap needs to be like Uniswap and you should have source code already deveoped and not be starting from square one on this project. There is 2 weeks to compelte the swap!
I am looking for a skilled developer to create a web-based student attendance management system using Java. The project needs to be completed within a month. The system should have the following features: - Attendance tracking: The system should be able to track and record student attendance. - Report generation: It should be able to generate attendance reports for individual students or for the entire class. - Integration with student database: The system should be able to integrate with a student database, allowing for easy access to student information. -It should contain three modules:- : An admin has complete access over the entire software system. They must have valid username and password to log in to the system. The admin can view, add, delete, update student/faculty. : Like the a...
I am looking for someone to convert a historical PDF file into an Excel file. The PDF file is in a scanned image format and contains 3 pages. I would like the data from the PDF to be organized into separate columns in the Excel/CSV file. I need that the work should be done in python and I need the code for transparency, in case of error. Skills and Experience: - Experience in converting scanned image PDF files into Excel files - Experience in OCR - Proficiency in data organization and formatting in Excel - Proficiency in Python - Attention to detail to ensure accurate data extraction and column separation
I am looking for a freelancer who can integrate Keycloak with the Nafath API to enable single sign-on functionality. Ideal skills and experience for the job include: - Proficiency in Keycloak and Nafath API integration - Strong understanding of user authentication and authorization - Experience in implementing secure data transmission The project has an urgent timeline of 1-2 weeks, so the freelancer should be able to deliver results within this timeframe. It is important that the freelancer has access to the necessary documentation and credentials for the integration. The client has confirmed that they have all the required documentation and credentials, which will facilitate the smooth execution of the project.
Hi I will share the details with the shortlisted candidates. Thanks
Project Description: - I am looking for an Android developer to fix a small bug in my app. - The specific issue I am experiencing is that the app is crashing on launch. - I have access to the source code of the Android app. - The app should support the latest versions of the Android OS. - The ideal candidate should have experience in Android app development and debugging. - Knowledge of Java and Android Studio is required. - Attention to detail and the ability to troubleshoot and fix bugs in a timely manner is essential. - The project should be completed within a specified timeframe. - The developer should be able to provide regular updates and communicate effectively.
I am looking for a skilled JavaScript developer who can help me learn and improve my knowledge of JavaScript. Project Requirements: - Must have experience with JavaScript frameworks like React or Node.js - Should be able to teach and explain advanced concepts in JavaScript - Familiarity with basic syntax and operations in JavaScript is preferred Skills and Experience: - Strong understanding of JavaScript and its frameworks - Proficient in teaching and explaining complex concepts - Ability to guide and provide resources for learning JavaScript frameworks like React or Node.js If you are a patient and experienced JavaScript developer who can help me expand my skills in JavaScript, please apply for this project.
I am looking for someone who can help me with installing an apk using Android Studio. Target Device: - The apk needs to be installed on a phone. Skills and Experience: - Experience with Android Studio and apk installation. - Knowledge of different Android versions and their compatibility with apk installation. - Attention to detail to ensure successful installation on the target device.
I am looking for a JavaFX developer who can create a Stick Hero game with basic gameplay and power-ups. The game should be completed within 2 days. I will provide the design assets for the game. Requirements: - Strong proficiency in JavaFX - Experience in game development - Ability to implement power-up features in the game Please provide examples of your previous game development projects when applying for this job.
I am looking for a freelancer coder who can help build a code to compare two files, one structured and the other unstructured. The structured file is in Excel format, while the unstructured file is in Audio format. Specifically, I need to compare the name and value between the two files. Ideal Skills and Experience: - Proficiency in Excel and image file analysis - Strong attention to detail to accurately compare the name and value - Experience in data comparison and analysis - proficiency in python scripts If you have the necessary skills and experience, please submit your proposal.
Scrape data from 6 sites including data manipulation. Complete details will be provided to shortlisted candidates only. Only serious freelancers. No time waisters.
We are on the lookout for a skilled and experienced freelancer to join our team and contribute to the enhancement of our admin panel. Our admin panel is built on PHP Laravel, and we're looking to integrate a Java Spring Boot API seamlessly. Additionally, familiarity with MySQL is a must. Key Responsibilities: PHP Laravel Development: Implement enhancements and optimizations to our existing admin panel. Troubleshoot and debug any issues to ensure smooth functionality. Java Spring Boot API Integration: Integrate a Java Spring Boot API into our PHP Laravel admin panel. Ensure seamless communication between the two systems. Database Management: Utilize MySQL for effective data storage and retrieval. Optimize database performance and resolve any database-related issues. Qualifications...
I am in need of a Glimmer (DSL LibUI) specialist who can build a simple GUI compatible with Windows. The ideal candidate should have experience in developing GUIs for Windows operating system. Requirements: - Develop a GUI with data input/output functionality - Implement interactive elements such as buttons and sliders - Incorporate visualizations into the GUI - Follow the specific design provided by the client Skills and Experience: - Proficiency in Glimmer (DSL LibUI) - Strong knowledge of GUI development for Windows - Experience in implementing data input/output functionality - Familiarity with interactive elements and visualizations in GUIs Note: The client has a specific design for the GUI, so the developer should be able to work based on the provided design.
I am looking for a skilled developer with experience in upgrading Android apps to work on my project. The main focus of the project is to upgrade the compatibility of my Android 10 app to Android 11 and above using the Python Kivy framework. features to be updated are 1. location access 2. reviewing of source code Requirements: - Proficiency in Python and experience with the Kivy framework - Strong knowledge of Android app development and familiarity with the Android 11 platform - Previous experience in upgrading Android apps and ensuring compatibility with newer versions - Ability to work with the existing source code of the app, which is readily available - Attention to detail and ability to identify specific features or functionalities in the app that need particular attention during t...
I am looking for a skilled mobile app developer with experience in the Kivy framework to help me upgrade my existing Android app from Android 10 to Android 11 and above. This project is for personal use and I am specifically looking for an upgrade to Android 11 without any additional features. The main focus of this upgrade is to address compatibility issues that may arise when transitioning the app from Android 10 to Android 11 and above. Ideal skills and experience for this job include: - Proficiency in the Kivy framework - Strong knowledge of Android app development - Experience with app upgrades and compatibility testing - Attention to detail and ability to troubleshoot and resolve compatibility issues If you have the necessary skills and experience, please reach out to discuss ...
El proyecto consiste en una aplicación móvil generada con Android Studio que pueda mostrar las redes de bravais retrabajando un proyecto anterior que será proporcionado. La aplicación debe permitir elegir uno de dos modos: modo quizz y modo creativo. El modo creativo es que la aplicación pueda mostrar en una parte de la pantalla los controles para modificar los valores de los lados a, b, c y los ángulos α , β y γ. Al momento que estos valores cambien se debe cambiar el dibujo mostrado de la red y mostrar el nombre de la red, dependiendo de cuál de las 14 posibles sea la que corresponda. Además en alguna parte debe dar una explicación al usuario de porque es esa red la que se forma con esos valores. Todo esto d...
Project Title: Can someone solve this CPP DSA Problem | Check attached file Description: I am looking for a skilled and experienced CPP developer to help me solve a data structure implementation problem. The problem is of advanced complexity and requires a deep understanding of data structures and algorithms. Skills and Experience: - Proficiency in CPP programming language - Strong knowledge of data structures and algorithms - Experience in implementing complex data structures - Familiarity with algorithm analysis techniques - Ability to understand and analyze the attached problem file - Strong problem-solving skills and attention to detail The project needs to be completed ASAP.