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!
Baseret på 270,979 bedømmelser, giver vores klienter os Java Developers 4.85 ud af 5 stjerner.Ansæt Java Developers
I am looking for a Java developer to fix a logical error in my code. The bug is causing unexpected behavior in the program. Skills and Experience: - Strong proficiency in Java programming language - Experience in debugging and fixing logical errors - Attention to detail and problem-solving skills Timeline: - The timeline for this bug fix is flexible.
Subject: Backend development using java, microservices (using sprint boot) and sql db. Project: Hotel Room Booking Application
I am looking for a freelancer who can help me troubleshoot and debug the implementation of my Langchain Typescript ConversationalRetrievalQAChain project. Skills and Experience: - Strong knowledge and experience in developing conversational retrieval models - Proficiency in implementing TypeScript frameworks - Familiarity with question-answering chains - Expertise in troubleshooting and debugging existing code - Deep understanding of PromptTemplate and ConversationalRetrievalQAChain
I am looking for an algorithm developer with experience in C++ programming language. The primary use of the algorithm will be for data analysis. There are no specific requirements or constraints for the algorithm. Ideal skills and experience for this job include: - Proficiency in C++ programming language - Strong background in data analysis - Experience developing algorithms for data analysis purposes
I am looking for an experienced developer who can create a compiler using the Rust language. The compiler should have the following specific features: - Error handling capabilities to ensure efficient debugging and troubleshooting - The compiler should only support the Rust language and not any other specific languages I have a strict deadline for the completion of this project, so I need someone who can work efficiently and deliver high-quality results within the specified timeframe. Ideal skills and experience for this job include: - Proficiency in Rust programming language - Strong understanding of compiler design and implementation - Experience with error handling techniques and best practices If you have the necessary skills and can meet the strict deadline, please submit your ...
I am looking for a skilled developer to develop an Android TV application for me. The main functionality of the application should be streaming video content and I already have a specific design in mind. If you think you have the necessary skills to create such an application, then please reach out to me. I’m eager to work on this project and see the end result soon!
I am looking for an experienced Android app developer to create an app that can read SMS messages and store them in either a database or CSV file. The purpose of reading and storing the SMS messages is for a specific use case that the client will specify. Database or CSV structure: The client is open to a general structure for the database or CSV file, so no specific format is required. Additional functionalities: The client is not sure if they need the app to perform any other functions aside from reading and storing SMS messages. They are open to suggestions and would appreciate guidance on any additional functionalities that could enhance the app's usefulness. Ideal skills and experience: - Strong experience in Android app development - Proficiency in reading SMS messages a...
Looking for a programmer with expertise in game development frameworks for a long-term project in the field of MMO game development. The ideal candidate should have strong skills in Python programming language and experience in working with C++ and Lua. Title: Experienced Python Developer for Full Software Development Project Overview: I am seeking an experienced Python developer to assist with a full software development project. The ideal candidate should have a strong background in Python programming and be familiar with software development methodologies. The project has an estimated timeline of more than 3 months. Skills and Experience Required: - Proficiency in Python programming language - In-depth knowledge of software development principles and methodologies - Strong problem-so...
I am looking to hire a developer to create an app for my business. I need the app to be developed for Android. The primary function of the app is e-commerce, and I will need a designer to create wireframes according to my specifications. The person I hire should possess an in-depth knowledge of Android app development and should be able to quickly and efficiently create a reliable and attractive app for me. The successful candidate will be required to provide me with real-time updates and feedback on the app’s progress so that I can ensure that everything is going as expected. This person should also have a proven track record of successful app development. If you think you are the right fit for this project, please feel free to contact me and let me know why you think you are the be...
We are looking for a talented freelancer to help us create a secure, reliable and feature-rich GitHub platform that will enable us to add more programmers to our work. Specifically, the platform should be able to support programming languages such as Python, Java, C++ and php. Features such as code versioning should also be included and we need to have access control restricted by role or task. If you possess the skillset and capabilities we require, please don't hesitate to get in touch and let us know how you can help. Your knowledge and experience with developing and maintaining such a platform is invaluable and we appreciate your time. SPANISH SPEAKING IS A PLUS
I am looking for an Android app developer to create a training app with basic functionality. It will contain PDF, Images, Youtube links, MCQ test. The purpose of the app is to provide training materials and resources to users. Features and Functionality: - The app should have basic functionality only, focusing on delivering training content and resources. - It should include features such as user registration, login, and a dashboard to access training materials. - The app should also have the ability to track user progress and provide assessments or quizzes. Design and Theme: - I have a specific design in mind for the app, and I would like the developer to follow that design, and I am open to new suggestions too. - The design should be clean, modern, and professional, with a focus on u...
I'm looking for a experienced Java Spring boot developer to assist in developing a project. The individual should possess at least 4-5 years of relevant experience to ensure the project is completed to a high standard. The project's timeline is estimated to be more than 4 weeks, however the exact duration may vary depending on circumstances. I have a detailed list of specific requirements and features that need to be incorporated into the project. If you think you have the knowledge and skills required to help to develop this exciting project, please do not hesitate to get in touch.
I am looking for a freelancer who can help me with performance testing for my front-end application developed using React.js. Purpose: - The main purpose of using JMeter is to conduct performance testing for the application. Test Plans: - I do not have any test plans currently, so they will need to be created from scratch. Expertise Level: - I am looking for someone with beginner-level expertise in JMeter. Ideal Skills and Experience: - Strong knowledge of JMeter and its functionalities - Experience in conducting performance testing for front-end applications - Familiarity with React.js and front-end development - Ability to create comprehensive test plans - Attention to detail and ability to analyze test results and identify performance issues - Good communication skills ...
Build and Android app for ISP for Admin, Manager, Subscriber, Staff Management, Collection
Looking for Someone to Edit Some Plugins and add more code to them, If you are familiar with Minecadia on Minecraft its a Faction server I have most of there plugins im just looking for someone to update and fix a few errors im having with them!
I am looking for a freelancer who can submit our Android app for Windows devices. The app is already developed and we do not require any additional features or modifications for the Windows version. The target operating system for the Android app is Windows 11. Notice: we do have an Amazon AppStore account and Android App is available there Only for Mobile but we can not choose for Windows 11 because it looks like it's required some changes that Amazon AppStore Windows 11 needs. Can you help us with that? Ideal skills and experience for this project include: - Proficiency in Android app development - Knowledge of Windows app submission process - Familiarity with Windows 11 operating system
i want to launch my crypto currency on my own blockchain
I am looking for a skilled developer to assist me in migrating my phone number to a different WhatsApp API, specifically the WhatsApp Business API. Here are the specific requirements for the project: - Migrate the phone number from the current WhatsApp API to the WhatsApp Business API -help some issues related to whatsapp graph API Ideal skills and experience for the job include: - Proficiency in working with the WhatsApp Business API and its associated documentation - Experience in migrating phone numbers and integrating APIs into existing systems - Strong knowledge of automated responses, multimedia messaging, and message analytics - Attention to detail and ability to troubleshoot and resolve any issues that may arise during the migration process If you have the necessary skills and e...
I am looking for a Flutter (android) app developer who can create an app that listens to incoming SMS and forwards it to firestore. The app should be able to keep listening to SMS even if it is in the background or stopped. Payment will only be received if this requirement is met. Purpose: - The purpose of forwarding the incoming SMS to firestore is for backup and storage. Design: - I have a rough idea for the app interface, but I don't have a specific design or layout in mind. Features: - The app should only have basic features, no additional features are needed. Ideal skills and experience: - Experience in Flutter app development for android. - Knowledge of working with SMS handling and forwarding. - Familiarity with firestore for data storage. - Ability to create a user-friendl...
I am looking for a freelancer to develop a Transaction Sentry system with Rule management and ML capabilities. The system will monitor both financial and online transactions and should have both predictive analysis and anomaly detection capabilities. Additionally, the system should be able to manage both transaction and user behavior rules. Ideal Skills and Experience: - Strong knowledge and experience in developing transaction monitoring systems - Proficiency in machine learning algorithms and techniques, specifically in predictive analysis and anomaly detection - Experience in rule management and implementing transaction and user behavior rules - Familiarity with financial and online transaction processes and protocols - Excellent problem-solving skills and ability to troubleshoot and d...
I am looking for a freelancer to help me create an API template with a POSTMAN server in Oracle Fusion. I have specific requirements that I would like the template to include. I need someone with an intermediate level of experience in Oracle Fusion. The template should be created using the latest version of POSTMAN. I am open to suggestions and ideas and would appreciate any feedback and assistance in refining my requirements. Working knowledge of REST, SOAP, and GraphQL APIs is essential. The successful candidate will have experience in creating API templates as well as an excellent understanding of Oracle Fusion.
preciso de um bot do telegram para esse projeto
I am looking for someone to resolve a Java error I am facing in an Android Studio project. I have been encountering a NullPointerException error that sometimes pops up in certain places in my code, depending on the inputs being used. I am using Android Studio 3.x or below with Java 8. I would like to find someone who can help me debug and fix this issue quickly and efficiently.
I am in need of an experienced Android developer to fix a problem with my app. I need to send a user locatin point on the page: for understand issue : 1 first download our app : Go to the support page with is a webview page I need to send user's location if you can do that send me a text to start Ideal Skills and Experience: - Strong experience in Android development - Expertise in debugging and troubleshooting app crashes - Familiarity with error logging and error message analysis - Ability to work quickly and efficiently to meet tight deadlines
I am looking for an experienced Android developer to create a mobile app for a reporting sharing service. The app should have the following features: - Login functionality to allow users to login into accounts with the credential admin provided and access their reports - messaging service - Push notifications to send status, photos, video and updates to users. The primary function of the app will be to provide a platform for users to view their report status for various services. I am looking to have the Android app completed within 2-3 months. Ideal skills and experience for this job include: - Proficiency in Java and Android Studio. - Experience with implementing login/registration systems and push notifications. - Knowledge of UI/UX design principles for creating a user-friendly i...
I have a letgo style application, I want to add extra features to this application. The language of the application is java, developed in Android studio, the api side is php.
I have a letgo style application, I want to add extra features to this application. The language of the application is java, developed in Android studio, the api side is php.
Want a program that scraps sports markets from these betting companies, Sportsbet Tab Ladbrokes Pointsbet Tabtouch And then uses Betfair to watch prices and if markets are shorten by a decent amount I get notified that for example in the NBA Celtics we’re $1.35 and now $1.15 but sports still have then at $1.35. I would like the markets of H2h betting / line betting / and over or under total points in all the sports provided above.
We're looking for 2-3 FULL STACK JAVA DEVELOPMENT WITH SPRINGBOOT AND VUEJS experience Participate in the development of our housing administration system in Java Spring boot - Participate in the process of merging our housing sales and administration system into a unified system - Solving support tasks that require a programmer - Participate in operations and onboarding to the extent necessary We imagine that you: - Has 5+ years of experience as a programmer, including as a Java programmer - Understands and can write SQL statements and knows the difference between an inner and an outer join (We use MariaDB/MySQL) - Has experience working in Vue.js on the front end. You will initially primarily work in Vue, b - Has experience working in Jira (and preferably also a little ) - Willing...
I need CURD operation code for AWS DynamoDB using AWS Lambda Java(Intelij Idea)
We would like to create a strategy in python for doing algo trading in Olymp Trade. Requirements: Olymp Trade through API for placing orders automatically. strategy as per our requirements and doing automation. (Note: We don't have API) agree any programming language but it should automate the orders in Olymp Trade without having any lags or bugs. want 15 seconds candle and trade entry and exit timing will be 5 second only. should not have any delay in data and data should be taken from API.
Keycloak Configuration Help Needed on My Server I am looking for assistance with integrating Keycloak with my existing systems. The ideal candidate should have experience with Java programming language and be able to complete the task within a week. Requirements: - Experience with Keycloak configuration and integration - Proficiency in Java programming language - Familiarity with existing system integration - Ability to troubleshoot and debug any issues that may arise Deadline: Within a week
***Freelancers Only! No Agencies! I have a Java Android app that is running my own face recognition and detection functions on several screens simultaneously. I need you to implement the functions so the face recognition will run smoothly and efficiently. ***I'm looking for an experienced Java developer with face recognition experience. + Must have Java expertise. + C++ is an advantage + Video calls in English for ongoing communication - MUST! Please start your message with the words: "Java multithreading!"
I am looking for an experienced Android app developer to create an interface for users to connect with a laundry service. The main purpose of the app is to provide a platform for users to easily request laundry services and connect with laundry service providers. Specific features that I have in mind for the app are listed in detail, and I am looking for a developer who can understand and implement these features effectively. The desired timeline for the project is 3-4 weeks, and I am looking for a developer who can deliver a high-quality app within this timeframe. Ideal skills and experience for the job: - Strong proficiency in Android app development - Experience in creating user-friendly interfaces - Knowledge of integrating payment gateways for seamless transactions - Familiarity wi...
My Android App Requriment 1. Login Page (Username, Password) 2. Enquiry Submission (Name, Phone No, Email ID, Address, Current Location) 3. Report of the Enquiry Submitted 4. Edit the Reports Technologies: MS SQL Server Database, Android Studio as Front End Design
Angular 2 full time resource with good understanding of JSF, JSF Beans for project migration purposes. Quick learner and should able to complete the given tasks within time limit
I am looking for a Kotlin developer to set up a project for Android. I have a detailed list of specific features and functionalities that I want to include in the project. The timeline for this project is urgent, and I need it to be completed within a week. Ideal Skills and Experience: - Strong proficiency in Kotlin programming language - Experience in developing Android applications - Ability to work quickly and efficiently to meet tight deadlines
ANDROID Foreground Service Expert to handle autonomous Bluetooth data sync in transmit ( Many to Many Sync with Shortest Path Detection and Selection) What we have in mind , The Application Android App will scan for 1 minute and transmit the UUID to central Server , the server will respond which mobile will initiate the communication with the device , it will use M2M ( MQTT Communication ) User on hisphone will notify the user in notification bar no to move away from the device the app is trying to connect and will show the progress bar of the communication and data upload. Android Native App ( for version 11,12,13+ ) I am looking for an Android Foreground Service Expert to handle the autonomous Bluetooth data sync in transmit for my project. The main purpose of the foreground servic...
I am looking for a skilled Java developer to build RESTful API endpoints for my project. The ideal candidate should have experience in developing RESTful APIs and be comfortable working with Java. Specific requirements for the API endpoints: - The endpoints should be RESTful in nature - The functionalities required for the endpoints are basic in complexity Skills and experience required: - Strong proficiency in Java programming language - Experience in building RESTful API endpoints - Knowledge of best practices and standards for API development If you are a Java developer with experience in building RESTful API endpoints and are comfortable working on basic functionalities, I would love to discuss the project further with you. Please provide examples of your past work and your availabi...
Title: Advanced Java Programming Tutor needed for Online Sessions I am seeking a knowledgeable and experienced Java programming tutor who can assist with advanced level concepts. This training will be of 5 days and 7hrs a day Topics and Areas of Focus: - Data Structures: I require guidance in implementing and manipulating various data structures in Java. - Object-Oriented Programming: I need assistance in mastering the principles and best practices of OOP using Java. - Algorithms: I am looking for a tutor who can help me understand and implement complex algorithms efficiently. Preferred Mode of Communication: - Online/Video Call: I prefer to have tutoring sessions conducted remotely, through a reliable online platform or video call. Ideal Skills and Experience: - Strong proficiency in...
Project Description: WhatsApp Chatbot I am looking for a skilled developer to create a WhatsApp chatbot that can handle over 100 different user inquiries. The chatbot should have the following requirements: • Ability to handle more than 100 different user inquiries efficiently and accurately • Seamless integration with WhatsApp platform for smooth communication • User-friendly interface for easy interaction with users • Fast response time to ensure prompt and efficient customer service Ideal Skills and Experience: • Proficiency in developing chatbots and integrating them with WhatsApp • Strong knowledge of natural language processing and machine learning algorithms • Experience in handling large volumes of user inquiries and providing accurate respons...
Looking for someone with prior experience working with the Usage Stats class in Android. We have created an app to track usage of apps on a users phone on a daily basis using usage stats (with the users permission). We have a small bug we are unable to fix and are looking for some assistance with the same.
Hello Java Developers We need one who has 3 to 4 years of exp in below skills. Let me know if match and budget. We dont need higher budget candidate here. Skillsets- 1. Netty pipeline using Netty framework 2. REST API development using standard Java EE. 3. Jetty webserver 4. ReactJS (nice to have) Note- Netty Pipeline is mandatory Thank You
I need a semi-integration solution using POSLink, which will allow for quick and secure payments to be processed. All transactions must be PCI compliant and the system should be capable of handling swipe, chip, and contactless payments. I’m looking for a freelancer with extensive experience in payment processing to ensure the highest level of security and smooth operations for my customers. If you have experience setting up complex systems with similar payment processing requirements, I’d like to hear from you. Developer must be have a PAX A35 debug terminal.
I am looking for a developer to help me with a project that involves developing a synchronous interprocess communication using the fork() and pipe functions in the C programming language. Specific requirements for the pipe implementation are not necessary, but I have a general idea of how I want it to work. I would like the project to be completed within 7 days, so a quick turnaround time is important. Ideal skills and experience for this job include: - Strong proficiency in C programming language - Knowledge of interprocess communication and the fork() and pipe functions - Ability to work efficiently and meet tight deadlines
There is an Android game called WWE Supercard that I need help with. I need an experienced freelancer to create a decryptor to decrypt the game files and let me view future releases of the game before they get published. The encryption used is Unknown and the freelancer must include past work when applying for the job. If you have the experience necessary for this task, please get in touch via Freelancer.
The project should have its own custom tag library and Maven should be configured to compile your JSP files into bytecode (.class) files during the build process, making your project self-contained and ensuring it can execute JSPs independently of a servlet container. A working example of a Java maven project having some jsp. The maven project should compile the jsp to .class files. the jsp should contain tag lib java version 1.8 maven version is 38.4
I am in need of an Android app developer with experience in Google Play Console. App Type: Social Media Timeline: Immediate (1-2 weeks) Design: I have a complete design in mind Skills and Experience: - Proficiency in Android app development - Experience with Google Play Console - Ability to bring the complete design to life - Strong knowledge of social media app functionality and features - Attention to detail in implementing the design accurately
Hoy en día, muchos usuarios no saben cómo combinar su ropa (zapatos, pantalón, camisas, entre otras cosas), la idea es crear una IA (Inteligencia Artificial) o ChatGPT que bajo una serie de preguntas realizadas al usuario, como resultado, pueda recomendarle diferentes estilos o combinaciones de ropa disponibles en nuestro sitio web y pueda añadirlos al carrito de compras. La IA o ChatGPT funcionará como un asesor de moda inteligente enfocado en los productos del sitio web, la cual será diseñada en WordPress. Nos gustaría saber lo siguiente: 1. ¿Es posible su creación? 2. ¿Nos podrían compartir ejemplos de otras IA o ChatGPT similares para tomar más ideas para nuestra web? 3. ¿Cómo s...
Project Title: Mobile Phone Hacking - Android Spying to Monitor Activities Skills and Experience Required: - Proficiency in Android hacking and mobile phone surveillance - Strong knowledge of mobile phone security vulnerabilities and exploit techniques - Familiarity with various spying and monitoring tools and software - Experience in retrieving and analyzing data from Android devices - Understanding of privacy laws and ethical considerations related to hacking and surveillance Project Description: I am looking for a skilled professional who can assist me in hacking an Android mobile phone for the purpose of spying and monitoring activities. The primary goal of this hack is to monitor the activities of the target device and retrieve information as needed. Specific Requirements: 1. Andro...