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!
264,042レビューから、クライアントは Java Developers 4.84/5個の星で評価します。Java Developers を採用する
El proyecto consiste en realizar una aplicación en Android Studio utilizando la api de Google Maps que muestre el mapa del estado de Tamaulipas, México y que divida al estado en zonas, donde cada zona en caso de darle click, deberá mostrar un cuadro de dialogo que muestre una lista de las especies de cactus que existen en esta zona. Además, si el usuario selecciona una especie de cactus, entonces deberá mostrar otro cuadro de dialogo que muestre información de la especie. Este mapa debe estar cuadriculado, por lo que cada cuadro de la cuadricula será una zona del estado. Se adjunta un articulo en el cual se puede obtener cuales son las especies de cactus que existen en el estado. La información de cada especie es recomendable que s...
I am looking for a programmer to create a program that will automate the process of creating various documents such as invoices, credit notes, statements, packing lists, and quotations using Microsoft Word. Requirements: - The program should be able to generate these documents based on user input. - The program should be able to create a template for these documents. Ideal Skills and Experience: - Proficiency in microsoft words programming. - Experience in working with Microsoft Word and creating templates. - Knowledge of accounting software, specifically Xero, would be beneficial for integrating the program with the accounting system.
I am looking for a skilled tester to perform both manual and API testing And automation testing for my project using AZURE Devops. The ideal candidate should have experience in both manual and API testing, as well as familiarity with AZURE Devops. Good experience with logistics domain. Specifically, I would like the tester to focus on specific functionality during the testing process. The details of the specific functionality will be provided upon hiring. I estimate that more than 100 test cases will need to be executed for this project. Skills and experience required: - Proficiency in manual testing - Experience in API testing - Selenium will java - Familiarity with AZURE Devops - Ability to focus on specific functionality during testing - Attention to detail for executing a high numb...
Title: Multi-Threading Client-Server System Development Purpose: - To demonstrate multi-threading capabilities - To handle concurrent connections - To improve performance Requirements: - Proficiency in Java programming language - Experience in developing client-server systems - Strong understanding of multi-threading concepts - Familiarity with Eclipse Java IDE Deliverables: - Demonstrator of a multi-threading client-server system - Two slightly different codes within one day Additional Information: - Detailed explanation of the code is required - The client prefers the use of Java for this project
Hi, I am looking for a freelancer with programming skills in Java for my project. Here are the details: Skills Required: - Strong programming skills - Proficiency in Java Preferred Programming Language: - Java Deadline: - More than two weeks The project involves developing a software application using Java. The freelancer should have a solid understanding of Java programming language and be able to write clean and efficient code. Experience in developing software applications is highly desirable. Key Responsibilities: - Develop and implement software solutions using Java - Collaborate with the team to define project requirements and specifications - Test and debug code to ensure functionality and performance - Maintain and update existing software applications Ideal Skills and Experi...
I am looking for a skilled freelancer to develop a demonstrator of a multi-threading client-server system using Eclipse Java. The purpose of this system is to improve system performance, increase scalability, and enhance user experience. Specific Requirements: - I will provide a detailed list of requirements and features for the system - The system should be able to handle multiple client requests concurrently - The server should be able to process and respond to these requests efficiently - The client and server codes should be slightly different to demonstrate the multi-threading capabilities Ideal Skills and Experience: - Strong proficiency in Java and Eclipse development - Experience with multi-threading and client-server systems - Ability to understand and implement detailed require...
Project Proposal: Pharmacy Software Development Project Overview: We are a team of experienced pharmacists based in Canada, seeking a skilled and innovative software developer to create a cutting-edge pharmacy software solution for retail use. The primary functionalities of the software include electronic prescription entry, prescription filling by pharmacy assistants, and final verification by pharmacists. In addition to these core features, we aim to incorporate advanced capabilities such as optical character recognition (OCR), a web-based platform, a messaging application, and a patient appointment scheduling calendar. Project Requirements: Electronic Prescription Management: Develop a system for electronically entering prescriptions into the software. Implement a user-friendly inter...
I am looking for an experienced Android developer who has previous experience with Sinch integration. we already integrated it but there is a bug while calling . he have to check that and fix the bug Note: no code will be shared only apply if you are willing to work on remote screen Specific features needed in the Android app: - Voice calling functionality Project details: - This is an integration project for an existing app that needs to be integrated with Sinch. Timeline: - The client needs this project to be completed today. Ideal Skills and Experience: - Strong experience in Android app development - Previous experience with Sinch integration - Knowledge of voice calling functionality and integration
Creación de aplicativo que reciba una información de una api y siguiendo un parámetro de ubicación reenvíe esta información a la api correspondiente a cada una de las ubicaciones, esta información debe quedar tambien en un excel por ubicación, esta aplicación debe ser creada con Java Script y si es posible un front básico para la gestión de ubicaciones en el excel
Project Overview The primary objective of this project is to facilitate access for individuals and vehicles through automatic detection and validation using Face Recognition (FR) and Automatic Number Plate Recognition (ANPR) technologies. Software Development Features The software to be developed will include the following features: Operating System: The system will be developed on the Ubuntu operating system. Access Control System Assumptions: The system will detect faces or number plates from a database and either accept or reject access based on matches with stored data. Database Capacity: The system will support searching a database containing up to 5000 unique faces and 2000 number plates. Hardware Requirements: The software PoC will be installed on a PC with the following speci...
I am looking for a skilled Android developer who can add notification functionality to my native Android app written in Java. The notifications that need to be added include both push notifications and in-app notifications. The primary purpose of these notifications is to engage users and provide them with updates or changes. The frequency of these notifications will be set automatically from the admin panel, so there is no need to specify a daily, weekly, or monthly schedule. The ideal candidate for this project should have experience working with Android development in Java and should be familiar with implementing push notifications and in-app notifications. Additionally, knowledge of working remotely and collaborating with clients is essential, as no code will be shared and the wo...
Objective: Develop an application system that allows a PC to remotely control multiple Android phones simultaneously. Primary Features: Remote Unlocking: Function: Unlock multiple Android phones simultaneously from a PC application with a single click. Implementation: The PC app sends a signal to all connected phones to unlock their screens. Synchronized Actions: Function: Whatever action is performed on the PC app is replicated on all connected phones. For example, if a Word document is opened and edited on the PC app, the same document opens and updates in real-time on all connected phones. Implementation: Establish a real-time connection between the PC app and the phones to mirror actions. App Launch Synchronization: Function: When a specific app (e.g., a game named ABC) is launche...
scrap data from a bet site. you should build a smal GUI so to choose some filters like date etc data should be stored on a mysql server Full code required
I need an Android Developer/Coder who has good skills in Android Teaching I need an Experienced person who has time to teach the Android I need an honest and hard working person for long term
I am looking for a freelancer to build a basic scraper that will pull data from the Zillow API or a comparable real estate API and automate emails based on the data. The ideal candidate for this project should have experience in web scraping and API integration. Specific requirements for the project include: - Using the API to extract data points on a daily basis. - Implementing an automated email system to send the extracted data to a specified email address. - The ability to customize the email content and format based on the extracted data. Key skills and experience required for this job: - Proficiency in web scraping and API integration. - Familiarity with the Zillow API and its data structure. - Experience in setting up automated email systems. - Strong coding skills in a language...
Tuition for JAVA APP and image AI with python using CoralG
I am looking for a skilled developer who can create an Invoice QR generator for me. The project requires the following: Format: The generated QR code should be in JPEG format. Invoice Templates: I have existing invoice templates that should be used for this project. Data Capacity: The QR code should have the capacity to contain medium-sized data, ranging from 51 to 100 characters. Ideal Skills and Experience: - Proficiency in QR code generation and manipulation. - Experience with image format conversion, specifically to JPEG. - Familiarity with working with existing templates and integrating them into a system. - Knowledge of data capacity limitations and optimization techniques for QR codes.
I am looking for a developer to create code for the T-SIM7600E/G-H module that will enable both making and receiving calls. The code should be written in C++, Python, or Java. Specific requirements for the code include: - The ability to make and receive calls using the T-SIM7600E/G-H module - Optional features such as SMS sending/receiving and internet connectivity Experience in working with T-SIM7600E/G-H modules and implementing call functions is preferred. Knowledge of SMS protocols and internet connectivity is a plus.
Project Overview: We are seeking a skilled freelancer to develop a Chat GPT-based application. The application aims to leverage the capabilities of Chat GPT to create a seamless and engaging conversational experience for users. Requirements: 1,Application Description: a. Develop a user-friendly application utilizing Chat GPT for natural language processing and conversation. b. The application should enable users to interact with the Chat GPT model, generating coherent and contextually relevant responses. 2. Technical Expertise: a. The freelancer must have hands-on experience with Chat GPT API interface programming. b. Showcase prior projects or examples that demonstrate proficiency in integrating and working with Chat GPT API. 3. Functionalities: a. Implement basic conversational feat...
I am looking for a SAP ABAP developer to assist with an enhancement implementation project. Specific requirements include: - Implementing enhancements to an existing SAP ABAP program - Following detailed coding guidelines provided by the client The timeline for this project is immediate, with completion expected within 1 week. Ideal skills and experience for this job include: - Proficiency in SAP ABAP development - Experience with enhancement implementations - Ability to adhere to coding standards and guidelines
Ho la necessità di integrare lo scambio importo tra alcuni gestionali e i POS tramite lo scambio importo. Servirebbe sviluppare un modulo in java per dare continuità ai progetti in essere. Il protocollo di comunicazione deve essere il protocollo 17 o il 39. I gestionali sono installati su pc windows e i pos sono collegati su rete lan.
I am looking for a talented developer to create a chatbot for my ecommerce business on WhatsApp. The main purpose of the chatbot will be to handle order processing. Requirements and Features: - The chatbot should be able to handle order inquiries, track orders, and provide order updates to customers. - It should have a user-friendly interface and be able to seamlessly integrate with our existing ecommerce platform. - The chatbot should be capable of providing personalized recommendations based on customer preferences and purchase history. - It should be able to handle multiple languages and have the ability to translate messages for international customers. - The chatbot should have a built-in payment gateway to facilitate secure and convenient transactions. - It should also have the abi...
Trading bot - Cryptocurrency exchanges: Binance, Coinbase, Kraken - Trading strategy: Recommendations based on market analysis - Risk level: Low We are looking for a skilled developer to create a trading bot for our cryptocurrency trading needs. The bot should be able to trade on the Binance, Coinbase, and Kraken exchanges. We do not have a specific trading strategy in mind, so we would like the developer to provide recommendations based on market analysis. Our goal is to minimize risk, so we are comfortable with a low level of risk for this bot. Ideal skills and experience for this job include: - Proficiency in programming languages such as Python or Java - Experience with cryptocurrency trading and exchanges - Knowledge of market analysis and trading strategies - Strong problem...
HRMS Software I am looking for a freelancer to develop a HRMS software with the following modules/features: - Payroll Management, Leave management: The software should have the ability to handle payroll calculations, tax deductions, and generate payslips. Preferred Platform: Cloud-based Number of employees using the HRMS software: 1-50 Ideal Skills and Experience: - Experience in developing HRMS software - Proficiency in cloud-based software development - Knowledge of payroll management systems - Understanding of tax regulations and calculations
I am looking for a Python developer who can create a Telegram bot with the following requirements: Functionality: - Sending automated messages Platform/Database: - The bot should interact with a specific platform/database Timeline: - The project needs to be completed within a week Ideal skills and experience: - Strong proficiency in Python - Experience with developing Telegram bots - Knowledge of working with APIs and integrating with databases - Ability to automate messaging and handle user authentication and access control If you have the necessary skills and can meet the tight timeline, please submit your proposal.
NLP Project - Text Classification Goals: - The specific goal of this NLP project is to perform text classification. Dataset: - The client already has a specific dataset in mind for the project. Programming Language: - The preferred programming language for this project is Python. Ideal Skills and Experience: - Strong proficiency in natural language processing (NLP) techniques and algorithms. - Experience in text classification tasks using Python. - Familiarity with relevant libraries and frameworks such as NLTK, scikit-learn, and TensorFlow. - Ability to preprocess and clean the text data for effective classification. - Knowledge of different feature extraction techniques for text classification. - Experience in evaluating and fine-tuning classification models. - Strong problem-solving...
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...
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 am looking for a skilled developer to create an ecommerce app for Android. The app should include the following features: - User Authentication: The app should have a secure login system for users to create accounts and access their personal information. In terms of platform preference, I would like the app to be developed specifically for Android. The target launch date for the app is more than 6 months from now, allowing ample time for development and testing. Ideal skills and experience for this job include: - Strong proficiency in Android app development - Experience with user authentication and secure login systems - Familiarity with ecommerce app features such as inventory management and payment gateway integration - Ability to meet deadlines and work efficiently to deliver a ...
URGENT Expert Only Android Koin. Need to fix issue related to Unit Test Skills and experience required: - Expertise in Android Koin - Strong understanding of Unit Testing in Android - Ability to troubleshoot and resolve issues related to Unit Tests Project requirements: - Resolve an issue related to Unit Test in an Android Koin project - The client needs the issue to be resolved within 24 hours Please only apply if you have experience with Android Koin and are confident in your ability to quickly identify and fix issues related to Unit Tests.
Development of a Dealership Mystery Shop System with AI Integration We are seeking an experienced software developer to create a comprehensive mystery shop system for automotive dealerships. This system will integrate AI (GPT-4), Twilio, Zapier, and a free email service provider to automate various aspects of the mystery shopping process. **Core Requirements**: 1. **Custom Interface**: Develop a user-friendly web interface to initiate new mystery shops, including input fields for dealership URLs. 2. **Automated Shopper Details Generation**: Integrate GPT-4 to automatically generate unique shopper names, email addresses, and phone numbers. 3. **Integration with Twilio**: Utilize Twilio for managing and tracking phone calls, texts, and voicemails for each mystery shop. 4. **Email Manageme...
Website development support from start to end. Mobile app android and ios as well. Stack Frontend: React Js / Backend: PHP(Falcon) Mobile Stack React Native, Firebase Notification Database My SQL UI/UX Design Figma Tool
I have two VERY VERY GOOD teams of flutter developers wqith extensive experience in native. We are integrating native code into a Flutter app. The flutter app is the main application. The native code is a library APP camera made in native code with special functionalities that should open when the flutter code calls for it to open. We can open the hardware camera itself without any problem, but when we execute from Flutter via the native camera library and ask it to open the camera view either in selfie or in main camera then the issue appears. Exactly the same code works on iOS and is working fine, but on Android the code does not work and does not open the camera. I need to find a developer who has experienced this issue and who resolved it. >>Requirements about your ...
Project Title: Decrypting Ransomware File Description: I am in urgent need of a skilled professional who can decrypt a ransomware file that has encrypted my important files. Skills and Experience Required: - Extensive experience in decrypting ransomware files, specifically [Specify the type of ransomware encrypted the files, if known] - In-depth knowledge of ransomware decryption techniques and tools - Proven track record of successfully decrypting ransomware files within tight deadlines - Familiarity with [Specify the type of ransomware encrypted the files, if known] and its encryption algorithms - Strong problem-solving skills and ability to think critically in order to find a suitable solution - Excellent communication skills to keep me updated throughout the decryption process Proj...
Dear All, Greetings for the day!!! I have developed a Third-Party Logistics (3PL) software along with multiple ecommerce platform integrations. And I am now offering it for sale along with the source code. This software is equipped with the following modules: Admin Panel (Web App): A centralized control hub empowering 3PL providers to efficiently manage and monitor logistics operations for their clients. Client Portal (Including Web & Mobile App): A dedicated portal offering clients seamless access to vital information and resources related to their logistics operations. Picker App (Mobile App): Mobile application tailored for warehouse pickers, designed to enhance efficiency and accuracy in picking items from inventory for shipment. Packer App (Mobile App): Mobile applicat...
Big data project in java needed to be done in 24 hrs. Person needs to be experienced in spark. hadoop.
Se busca un profesional con experiencia en el desarrollo de bots de trading binario con inteligencia artificial para Quotex. El bot debe cumplir con los siguientes requisitos: Debe estar programado en Python o Java. Debe utilizar algoritmos de inteligencia artificial para tomar decisiones de trading. Debe ser capaz de operar en la plataforma Quotex. El bot debe tener las siguientes características: Debe ser capaz de operar en diferentes mercados, como Forex, índices, materias primas y criptomonedas. Debe ser capaz de operar con diferentes tipos de operaciones, como operaciones de alta frecuencia, operaciones de scalping y operaciones de swing trading. Debe ser capaz de adaptarse a las condiciones cambiantes del mercado.
I have created a query that joins a few tables and it is really slow, taking 1 min to return 533 rows of data. I am using spring JPA and i need assistance in creating the indexing on the entity classes
I am looking for a telegram bot developer with the following skills and experience:
I am looking for a virtual reality programmer to develop an educational experience for the Oculus Rift platform and OpenSimulator. The primary objective of the application is to provide a low immersion experience with basic graphics and interactions. It can be a short experience for about 20-30 minutes, and I'll work with the programmer on the content. I would like to design a learning program in VR for "designing thinking" training and "AI literacy" cultivation for adult learners. Virtual agents will be helpful, but not necessary (it can be virtual text-based prompts); graphics: minimalist realistic; objects: simulations to participate in, I don't want quizzes. Overall, I want a guided discovery kind of experience. Ideal Skills and Experience: - Proficien...
Chatbot System for Technical Support We have already had the opportunity to test a technical support chatbot, and it was not useful as essential functionalities were missing. Natural Language Chat in All Languages: The chatbot should respond in the user's language, searching for answers in company documents in English. Conversations (tickets) should be saved in English. Human Support: In case of difficulty, the chatbot should be able to involve a human technician in the chat using WhatsApp or WeChat if possible. Multimedia Support: In addition to text communication, the system should support the sending of images in tickets. Search in Available Resources: The chatbot should first search in company documents and reference links. If necessary, it can perform web searches or request di...
I am looking for a skilled developer who can create a scraping program for me. This program will be used to track the social media activity of our contracts on various platforms including Facebook, Instagram, Tiktok, X, and Quora. Social Media Platforms: - The program should be able to track posts on Facebook, Instagram, and Tiktok. Real-time Tracking and Delayed Data: - I would like the program to provide both real-time tracking and the ability to gather delayed data. Both functionalities would be useful for our purposes. Data Extraction: - The program should be able to extract text, images, and comments from the tracked posts. This will allow us to monitor and analyze the full content and engagement on the social media profiles. Ideal Skills and Experience: - Experience in web scrapi...
I am looking for a highly skilled and experienced browser automation studio (BAS) developer to assist me with a project. The ideal candidate should have the following skills and experience: Preferred Browser: Google Chrome & Http request (API) (Looking for an Indian person) Main Task: Automated Testing Task Complexity: Complex The project involves developing a browser automation script using the browser automation studio (BAS) tool to automate complex testing tasks. The selected developer will be responsible for: - Creating and customizing automation scripts using the BAS tool - Writing code to simulate user interactions, navigate websites, and perform testing tasks - Implementing robust error handling and reporting mechanisms - Collaborating with the team to define test scenario...
I am looking for a developer who can create an app uninstall event for Android. I do not have any specific requirements for the uninstall event, so any standard method is fine. However, there are other specific requirements that I would like to discuss further with the developer. Skills and Experience: - Experience in Android app development - Knowledge of app event tracking and push notification functionality - Ability to understand and discuss specific requirements for the uninstall event
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...