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!De 269,349 opiniones, los clientes califican nuestro Java Developers 4.86 de un total de 5 estrellas.
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Necesito la creacion de algunos plugins, y la manipulacion de otros existentes para un servidor de minecraft, en desarrollo acerca de ciudades
Necesito a alguien que pueda realizar ingeniería inversa en un binario de Golang con el fin de depurar y optimizar. Aunque tengo documentación parcial, no tengo el código fuente. Las habilidades y experiencia ideales para este proyecto incluyen: - Experiencia en Golang - Conocimiento avanzado de herramientas y técnicas de ingeniería inversa. - Experiencia en depuración y optimización de binarios. - Familiaridad con documentación parcial e ingeniería inversa sin acceso al código fuente.
Necesito desarrollar un software, para que una persona realice visitas a domicilios y pueda registrar información de esa visita, además que puede georeferenciarse al momento de hacer la visita para garantizar que se concurrió a la dirección indicada.
Requerimos una persona con alto conocimiento en tecnologias Devop's para poder desarrollar un flujo de trabajo, con herramientas como Jenkins, Gitblit, Ansible, Jira, Sonarqube, Nexus, Jmeter, Gerrit, Testlink, Git entre otros.
Necesito un programador que haga de profesor en un curso online explicando lo que sabe Estoy buscando un programador que pueda actuar como profesor para mi curso en línea. El curso se centrará en el lenguaje de programación Java - python y estará dirigido a principiantes. En cuanto al plan de estudios, estoy abierto a sugerencias, pero me gustaría que el curso cubriera los conceptos básicos de la programación Java. El candidato ideal debe tener experiencia en la enseñanza o alguien que sienta que de verdad puede enseñar sin trabarse o confundirse y ser competente en programación Java. Otra cosa que pido es que el programador tenga insignias de java en linkedIn.
Un proyecto realizado por otro desarrollado y encargado por mi fue corregido, acusado de plagio y suspendido, necesito un experto en Android Studio para recrearlo desde cero desde el tema hasta el código, aun así yo le entregare el antiguo trabajo para que sirva como base para hacer el nuevo a partir del antiguo, así podrá guiarse mejor. el código debe compilar sin errores. preferiblemente alguien en español ya que el proyecto es en este idioma
Software project with the aim of developing a compiler for the simple imperative programming language SPL (Simple Programming Language). It consists of 3 parts with a skeleton that is already given. I can provide the files in private.
Need to write multiple AWS severless functoins.
I am looking for a mobile app developer to create an app for both iOS and Android platforms. The main purpose of the app is to allow users to rate and verify products based on Optical Character Recognition. I need this project completed as soon as possible. Ideal Skills and Experience: - Experience in mobile app development for both iOS and Android platforms - Knowledge of rating and verification systems - Ability to work efficiently and meet tight deadlines
I have an applet that took years to develop but I stopped developing it 13 years ago. I need someone to update the code and make it runnable in current java. It is a game for the web and uses heavy graphics. The main engine is done. I need someone that has experience in updating older java code. I just have the java files no project.
plot volume profile on price scale
I am looking for a React Native developer to create an Android app that can detect and respond to incoming and outgoing calls. The app must be able to show a popup on top of the Android’s incoming call screen with the data I want. I have a design ready for the app, so the developer will need to follow it closely. The ideal candidate will have experience with React Native and Android development. No additional features are required, just the call state listener and pop up, and all functionality should work when the app in the background and foreground. like Truecaller functionality.
I am in need of a freelancer who can help me build a very basic Android application that will serve as a utility/tool for seniors. The application should have the ability to store the names of pills, the amount to be taken, and then a prompt notification to the user to remind them to take those medications. The ideal freelancer should have experience in Android development and be able to create a simple yet functional user interface. noting too complex -student-level assignment ( written in Java Android studio).
Hi there, I am looking for a mobile app developer who can help me post an Android app on G.P.. consol Platform: - The app developed in Android If you think you have the skills and experience I'm looking for, please reach out to me with your proposal. I'm excited to see what we can create together!
Javafx Desktop application contain open source offline map and their is start point and end point, the point will move from the start to the end point based on speed the user can change the speed (The most important thing teach me to do it) I want it in 5 hours to 6 hours
I am in need of a skilled individual to build a chatbot for my website. The chatbot will serve multiple purposes including customer support, lead generation, and information providing. I am open to suggestions for specific features and functionality, and am looking for someone with experience in creating chatbots for websites. Ideal skills for this job include knowledge of chatbot programming languages such as Python, as well as an understanding of natural language processing and machine learning algorithms. The ability to integrate the chatbot with various APIs and platforms is also desirable. Some of the things I expect: * A Chatbot, which I could integrate to any website (platform agnostic). * Need to store the chats to a database. * I would connect this Chatbot to an AI model through ...
I am looking for an Android developer to create an app for a card game called 40. My main priority is an online multiplayer mode, so the app should be optimized for that. Additionally, I'd like the app to have a customizable card deck. As for design or theme, I am open to suggestions. Lastly, I do not want the app to include any in-app purchases or advertisements. I'm hoping to find an experienced Android developer who can bring this app to life and give players a great user experience. Here is some more details. Can you write me android code for a game called 40. Here is the object of the game: there can be 2-4 players. Two full decks of cards are used, including two Joker cards from each deck (4 jokers all together). Cards must be shuffled well. The dealer deals 13 closed cards...
Copy/Code my existing Job App. I have the APK file. You can do it in Flutter or Java. Dev must sign NDA.
I am looking for a skilled developer who can create a privacy preservation spatial query system using Fully homomorphic encryption (FHE). The system will be handling geographical data and its main purpose will be to protect sensitive data will use FHE to encrypt data also will use third party which is semi honest such as cloud service provider (CSP). I require a high level of technical complexity, so an advanced level of expertise is necessary for this project. Ideal Skills and Experience: - Experience with spatial data systems - Strong knowledge of data privacy and security - Advanced proficiency in programming languages such as Java or Python - Familiarity with database management systems - Ability to design and implement complex algorithms for data protection I have Attach description...
I need android app (existing github project) to be customized. The app is a messenger to client, in C and Java, no server code. It can send and receive files. I need to add viewer function so that it can open view 3D STL/PLY/Obj files when it receive them. The app should support both smartphones and tablets.
I need app which can change caller id
I am looking for a skilled Android developer to adapt my existing radio app for Android Auto. The ideal candidate will have experience with integrating apps with car dashboard displays, at the moment Android auto is integrated but sometimes the music is not playing well, so there should be a bug. Can someone check and fix it?
I need to android developer for design screen design. Only indian allow.
we require a experienced micro-frontend and microservice expert for a long running project. This project is a test task to show you expertise about it. Backend Environment will be - jhipster (latest) - java 17 - spring-boot (with jhipster) Frontend Environment will be - microfrontend with jhipster - angular (with jhipster) What you need to implement: A microserviced application. Having these backends: - user management backend to add and maintain users - a scheduler backend which uses cron based executions to run specific jobs by defined crons - a backend which provides services to have (internet) traffic based data like rank, impressions, clicks. displaying the data is limited to the users roles, if the user is allowed to view the data Having these frontends (as microfrontends) - a ...
We need a android Dev for java based app need to implement APIs into the app creating designs
I am looking for a skilled developer to build an e-commerce android application and website. The application and website will be used primarily from local businesses to promote discounted products online, and from potential buyers. I am looking for a custom solution that is tailored to my specific needs. The ideal candidate should have experience in building custom e-commerce platforms and integrating PayPal and not only, payment gateway. The website and application should have an easy-to-use interface, be mobile responsive, and have features such as inventory management, order tracking, and customer support. The project should be completed within a reasonable timeframe and within budget.
I have one app to develop, message me to know about the project more. Its urgent
I am looking for a Java developer to create an HTTP proxy server. The simple proxy server should be able to support both HTTP and HTTPS protocols. This proxy should be able to capture https requests/responses and write it to stdout. Need only for command line. No GUI. Ideal skills and experience for this job include: - Strong proficiency in Java - Experience with HTTP and HTTPS (SSL/TLS) protocols - Prefer to write this code in Java 8 if possible. May use Java Bouncy Castle lib for handling https.
Project Title: Spy Andrido I am looking for an experienced android developer to create a spy android app for monitoring employees. The app should have the following features: - GPS tracking - Call recording - Text message monitoring The ideal candidate should have experience in developing spy apps and be able to create an undetectable app. The app should run silently in the background without any visible notifications. If you have any questions or need more information, please feel free to contact me.
AI4yourORnow Project Description Project Goal: Improve Efficiency We are looking for an experienced AI developer to help us implement machine learning technology in our project, AI4yourORnow. Our main goal is to improve efficiency in our operations, and we believe that machine learning is the best way to achieve this. Ideal Skills and Experience: - Intermediate level AI expertise - In-depth knowledge of machine learning technology - Experience in implementing machine learning algorithms - Familiarity with data analysis and interpretation - Ability to integrate machine learning models into existing systems AI Technology to Implement: Machine Learning We have decided to implement machine learning technology in our project to achieve our goal of improving efficiency. We ar...
I am in need of a Java developer to complete a simple task for an assignment project. The project has specific requirements that must be followed. The deadline for this project is extremely tight, with only 2-3 hours available to complete the task. Note : have experience with Java FX and have to work in Eclipse 2. Must Have work on My Pc with Anydesk or Team Viewer
We need an Android application which share the screen using VNC viewer to the server
My project is to decrypt a .so file. This file requires decryption in order to access the contents, as it was originally a text file. The programming language of choice should be .so, as this language will give the best chance of successfully decrypting the file. The encrypted data in this file is important to me and requires the utmost precision in order to restore the information within. Accuracy and speed are of equal importance in this project, as it needs to be completed as soon as possible. If I am satisfied with the results, I can offer continued assistance with other projects.
We need to build an Android app something similar to Please bid with the best rate and if you could able do it from scratch.
Employee Monitoring App for Android Devices I need a monitoring app for my company's Android devices that allows me to track employee activity in real-time. The app should have the following features: - Live Screen Mirroring: It is important that the app allows me to see what my employees are doing on their screens in real-time. - GPS Tracking: I need to be able to track the location of my employees to ensure they are where they are supposed to be. - App Usage Tracking: It is important that I can monitor which apps my employees are using and for how long. - Call and Message Monitoring: It is important that I can monitor my employees' phone calls and text messages. The app will be used by 11-50 employees, so it should be able to handle multiple users. Ideal skills and experi...
I am looking for a freelancer to set up a LLM search engine for research and development purposes. The preferred search engine is Algolia or Elasticsearch. I have data to be indexed but no existing database or index. The ideal candidate would have experience in setting up search engines and be proficient in Algolia or Elasticsearch.
I am looking for a skilled freelancer to help me write a Java code that will be used to create the Rock, Paper, Scissors game. I am not looking to simply copy/paste the code for my homework; instead I'm looking for someone to tutor me and help me not only write the code, but understand what I'm doing. This is a high school project and needs to be written in Java, with code written from scratch, so no fancy libraries. I have 4 days to complete the code. The important detail is the variation that needs to be implemented. The player and the computer each start out with TWO hand gestures randomly selected. The computer gets two gestures and randomly selects one. The player gets two gestures and needs to pick one by pressing one of the keys R,P or S shown in the GUI - see the pict...
I am seeking a skilled programmer to help with a coding assessment for a Java Backend developer project. The ideal candidate should have experience in Java programming language and be able to solve complex coding challenges. The assessment is designed to test the candidate's skills in Java development and should include topics such as Java and Angular. The successful candidate will be expected to help with taking this coding assessment
Must have: 1. Spring Boot – Java 8, Spring Core, Spring Boot, Spring MVC, Swagger, Tomcat 8, Maven, Jenkins, SVN, GIT, Postman/Newman, RESTful Services, Containers 2. Excellent verbal communication skills is a MUST.
Preciso de uma aplicação de turismo, algo relacionado com viagens, recomendações de hotéis, restaurantes, pontos turísticos, etc... . Apenas para a região de Braga, Portugal . A app precisa de ter conexão a um banco de dados e login/registro.
I am looking for a freelancer who can develop an employee management system for my company. The system should have the following features: - Time and attendance tracking - Payroll processing - Performance evaluation Our company is a medium-sized organization with 50-500 employees. We prefer a cloud-based deployment method for the system. The ideal candidate for this job should have experience in developing employee management systems, and should be proficient in programming languages such as Java, Python, or Ruby. They should also have knowledge of database management systems and cloud computing.
Cyber awareness saas based platform. ## 2. User Requirements ### 2.1 User Roles 1. **General Users**: These are individuals who access the platform to learn about cyber security best practices and improve their knowledge. 2. **Administrators**: These users have elevated privileges and can manage the platform's content, user accounts, and access analytics. ### 2.2 User Features 1. User Registration and Authentication: - Ability for users to create accounts with a unique username and password. - Secure authentication mechanisms, including password hashing and encryption. - Support for social media account integration (optional). - "Forgot password" functionality to reset passwords securely. 2. User Dashboard: - Personalized dashboard displaying relevant inf...
Augmented Reality Measurement Mobile Android App
we require a experienced micro-frontend and microservice expert for a long running project. This project is a test task to show you expertise about it. Backend Environment will be - jhipster (latest) - java 17 - spring-boot (with jhipster) Frontend Environment will be - microfrontend with jhipster - angular (with jhipster) What you need to implement: A microserviced application. Having these backends (each an own node): - user management backend to add and maintain users - a scheduler backend which uses cron based executions to run specific jobs by defined crons - a backend which provides services to have (internet) traffic based data like rank, impressions, clicks. displaying the data is limited to the users roles, if the user is allowed to view the data Having these frontends (as m...
Hello am looking GP consol for uplod my 4 android game applications for this my total budget for 4 apps is 700 Inr if someone have interested message me am looking forward to you Thanks
I want a fixed price for a update. (I always work with fixed prices cause this is a personal project.) Prices per Milestone please. Small overvieuw of the existing app. It is a app for registration hours. You can do this on 3 different ways. 1 Manual input 2 Scan (you scan a QR code) 3 Start Job ( you select a Client and project and you type a job that you start at that moment) You always can see history from 3 days before today older history is only visible on the website. The app is possible to use online and offline. There is a admin page on the app , here you can add clients or projects , or change settings. On the website you can access the database to add or change clients jobs projects and hours … You can see from your company (1 admin user per company) all users and hou...
I am looking for a Java developer who can assist students in their certification exams on an urgent basis. The developer should have an intermediate level of expertise in Java. The project will involve providing assistance to students in their exam preparation. Ideal skills and experience for the job include: - Strong proficiency in Java programming language - Experience in assisting students in exam preparation - Knowledge of certification exam topics and formats - Ability to communicate effectively with students and provide clear explanations and guidance If you have the required skills and experience, please apply for the project.