Java Jobs
Java is a versatile, object-oriented programming language that is widely used for software development across various industries. Java Developers can help clients create anything from complex web applications to automated trading bots and mobile apps. With their advanced skills and knowledge, they can turn your vision into reality, providing you with tailored solutions that align with your business goals. Here are some recent projects that our expert Java Developers made real:
- Developing custom GUIs for existing codebases
- Creating encrypted, secure crypto apps
- Designing cross-platform audio merging tools for mobile devices
- Building sophisticated trading bots for the cryptocurrency market
- Implementing open-source virtual machines in C
- Collaborating as senior developers on large-scale Android projects
- Solving server request errors for mobile applications
- Running and optimizing code from Git repositories
- Designing and implementing web services for seamless integration
Hiring Java Developers on Freelancer.com gives you access to a global pool of talented professionals who can deliver high-quality solutions tailored to your needs. Our platform makes it easy and convenient to find, hire, and collaborate with skilled Java experts from around the world. So why wait? Bring your ideas to life by posting your own project and hiring a Java Developer on Freelancer.com today!
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I am looking for a software engineer who can help me develop a new software application with the primary goal of automating my business processes. Key Responsibilities: - Developing new software applications: You will be responsible for designing and creating a software system that can effectively automate a range of my business tasks. Ideal Skills and Experience: - Proven experience in software development: You should have a solid background in developing software applications, ideally with a focus on automation. - Strong problem-solving skills: I need someone who can think creatively and come up with innovative solutions to automate my business processes. - Understanding of business operations: Knowledge of business processes and how to streamline them through software is a huge plus....
I am seeking a software developer capable of creating an application specifically for managing student records. The software should include the following features: - Search and filter student data: The application must allow easy access to student information, with robust searching and filtering capabilities. - Generation of demographic reports: The application needs to be able to generate reports based on the collected student data. In particular, the capacity to produce demographic reports is required. The ideal candidate for this project should have a solid understanding of database management, specifically around student data. Prior experience with educational software would be advantageous. Proficiency in generating detailed and accurate reports from database metrics is also nece...
I am looking for a senior software engineer with experience in Java, Python, and C#. The main task is to develop a robust web application using Spring Boot. Familiarity with Azure and .NET will be a plus. Key requirements include: - Developing a web application - Implementing User authentication - Integrating with databases - API integration Ideal candidates should have: - Proven experience in Java, Python, and C# - Strong knowledge of Spring Boot - Familiarity with Azure and .NET - Ability to implement User authentication - Experience in database and API integration. I'm looking for a professional who can deliver high-quality work in a timely manner.
I have an exciting app idea that centers around golfers and the 'hole-in-one' concept. Here's a brief overview of what I am aiming for: - The app is to be developed for both iOS and Android platforms, ensuring maximum reach and usability for golf enthusiasts. - I am looking for a payment gateway feature to be integrated, which will be used for the registration fee collection. However, I am open to discussing the available options with the developer before finalizing. - Golfers with active golf link numbers will be the primary target audience for this app. They will register through the app and pay a fee to participate in the 'hole-in-one' competition. - Winners of the competition will be entitled to a percentage of the prize pool, and a portion will also go to me ...
Kotylin and JAVA engineer is wanted for crypto wallet. 1. Detect the location in the files where connection information to DB is defined and analyze how app and DB are connected. 2. Change DB name and password on app and DB sides without causing any trouble and make the system work.
I am looking for a software solution to extract exam questions and answers from PDF files and organize them into an Excel spreadsheet. The extracted data should be structured such that each question is listed in one column, its corresponding answers are listed in subsequent columns, and each row represents a single question and its answers. Project Requirements: PDF/Doc Parsing: The software should be able to parse PDF/Doc files containing exam questions and answers. Extracted data should include the question text and its associated answers. Data Organization: Questions should be listed in the first column of the Excel spreadsheet. Answers should be organized in subsequent columns, with each answer corresponding to the respective question. The number of columns for answers may vary depen...
I'm currently seeking a mid-level Java developer who is proficient with IntelliJ IDEA to join our team on a project basis. Your primary responsibility will be to develop high-quality software that is aligned with user needs and business goals. Key Responsibilities: - Develop, test, and maintain high-quality Java applications - Collaborate with cross-functional teams to define, design, and ship new features - Ensure the best possible performance, quality, and responsiveness of the applications - Identify and correct bottlenecks and fix bugs - Help maintain code quality, organization, and automatization Ideal Candidate: - 3-5 years of proven experience as a Java developer - Proficiency with IntelliJ IDEA - Solid understanding of object-oriented programming - Experience with software ...
I'm in need of a seasoned Java 8 programmer proficient with web application development, particularly using the Spring framework. Your primary responsibility will be to deploy an existing web application project of ours on a Virtual Private Server (VPS) with GoDaddy. Scope of tasks: 1. Deploy Java Web Application: - Handle complete setup on GoDaddy VPS server environment. 2. Spring Framework proficient: - Our application is built on the Spring framework. Deep understanding of this technology is essential for successful deployment. Ideal skills and experience for this job: - Solid background in Java 8 and Spring web application development. - Extensive experience in deploying Java projects on GoDaddy VPS servers. - Problem-solving skills with an ability to work independent...
Hello , I need a website similar to details will be given to private message. Thank you
*READ ENTIRE FILE AND DO NOT BID UNLESS YOU ARE AN AI EXPERT *DO NOT BID UNLESS YOU CAN COMPLETE THIS WITHIN 7 TO 14 DAYS *BID AMOUNT IS FINAL -------------------------------------------------------- I require an AI expert, preferably well-versed with OpenAI's API, to add an AI virtual assistant to my Learning Management System (LMS). Features the AI Should Have: - Natural Language Processing to understand the queries of our users. - Speech Recognition to interact with student's vocal commands. - Text-to-Speech to read lesson to student and for conversion of audible answers. Integration Requirement: - The AI assistant should be seamlessly integrated with the PDF viewer in the LMS. - Data synchronization between the LMS and the AI virtual assistant needs to be maintained. Int...
I am seeking a proficient Java developer who excels in using Eclipse, to develop a Library Record System. The scope of the task includes: - Application development from scratch. - Debugging during the development phase to ensure top-notch functionality. - Providing software maintenance post-development. Key Features: - A simple and minimalist interface for user-friendly navigation. - Book borrowing management capability to check the status and track all borrowings. - User account management which enables personalized access for users. - Inventory tracking for systematic management and easy accessibility of books in the library. Ideal Skills and Experience: - Strong experience in Java development and Eclipse toolset. - An eye for creating user-centric, minimalist interfaces. - Prior expe...
I'm in need of a skilled backend developer to create the multi tenant application with below instructions; Tech Stack: Spring Boot 3.1.11, JDK 17 or 21, MySQL Usecase: 1. As a super admin I would be able to onboard a new tenant(example: school). Whenever superAdmin does that then new new database can be created dynamically in mysql. And the user_details, product, services tables need to be created. 2. There should be a table "tenant_master" which should have information of all tenant databases. like hostname, port, username, password, connection_string, tenant_name, status. One entry should come to this table when we are onboarding a tenant. 2. Need to configure the Spring Security with JWT authentication. 3. I can be able to login as school admin and JWT token need to...
I need a professional to create a robust hospital capacity management system that incorporates diverse functionalities. Primarily, it must have: - Real-time bed availability tracking: This feature should relay current information on bed occupancy, facilitating efficient resource allocation. - Patient registration and admission management: The system should ease patient intake, recording all necessary details at admission for future reference. - Appointment scheduling: Our needs also include a seamless appointment scheduling feature that ensures no double bookings occur. Moreover, this system should integrate seamlessly with our existing EHR system enhancing patient record-keeping efficiency. This integration should not interfere with patient data security but instead further enforce i...
I'm in need of a dynamic and skilled team to develop a comprehensive Matrimony App available on iOS, Android and Web-based platforms. Key Features: • User profiles: These should include personal information, photos, as well as education and career details. • Matchmaking algorithm: Implement an effective and user-friendly matchmaking algorithm for an optimal user experience. This will play a vital role in the overall success of the app. • Messaging System: Allow seamless communication between prospective partners. Ideal Skills and Experience: Strong knowledge of app development across multiple platforms, prior experience in similar apps, especially with the development of matchmaking algorithms and secure messaging system, will be extremely beneficial.
I need a pong game made with java, It needs to have some extra features such as a goal, sometimes when a player 1 scores a goal its dash to increase, variable ball speeds,
I'm looking for a skilled Android developer who is experienced with automation to help me automate form interactions on the Android emulator. The primary goal of this task is to automate data entry. The forms I need to automate are moderately complex, involving multiple steps and various field types. Ideal candidates should: - have experience with Android development - be proficient in automation tools and techniques - be able to design and implement a solution that can handle complex forms with ease - have a keen eye for detail to ensure correct form interactions Please only apply if you have experience with similar projects and are confident in your ability to deliver a reliable and efficient solution.
Project Description: We are looking for a skilled Java developer with experience in Apache Flink (version 1.19) to create a data processing job that reads from parquet files located on a Network File System (NFS) and sends selected data to a Kafka topic. Core Responsibilities: - Develop a Flink job using Java that can read parquet files from NFS. - Implement functionality to allow the selection of specific columns from the parquet files to be processed. - Ensure the selected data is published to a specified Kafka topic efficiently. - Manage dependencies and libraries required to execute the job without compatibility issues.
I'm looking to develop a Visitor Management System app for Android. - The system primarily needs to facilitate visitor registration and check-in/check-out tracking. It should suit both office and Apartment. There will be one web admin interface where the admin can accept the registration of Office and end users. Activate or deactivate users or office or apartment. - No existing integration is required. I'm seeking a developer with the following skills: - Proficient in Java, Node JS, PHP and React Native - Proven experience with Android app development - Previous work on Visitor Management Systems is a plus.
Hello "Looking for an experienced app developer to assist with a short task for my puzzle game application. The task involves implementing a new feature to enhance gameplay. Must have expertise in game development and be able to work efficiently to meet deadlines. If interested, please reach out with your portfolio and relevant experience. Thank you!"
In order to launch my own digital asset, I'm seeking an experienced Blockchain developer proficient in Binance Smart Chain (BSC). Task Requirements: - Develop a standalone token on the BSC platform. - Implement a function that releases unsold tokens on PancakeSwap. Ideal Candidate: - Understanding of cryptocurrency and digital assets. - Experience in creating tokens on BSC. - Familiarity with PancakeSwap and token release. Looking forward to joining forces with a knowledgeable professional in this field.
I've been experiencing issues with the Akamai 2.0 sensor data processing. The sensor data is not being processed correctly. I'm looking for a professional who can work through my full source code and fix these issues. Key Responsibilities: - Review the full source code of my system, which is built with Golang - Fix the issues related to processing the sensor data - Ensure the sensor data is collected, transmitted, and processed accurately I need someone with strong proficiency in Golang and javascript, as well as a deep understanding of sensor data processing. The ideal candidate should have experience in debugging and fixing similar issues in other systems.
We are building a flutter app that connects to different popular media stores (Google Drive, Google Photos, Instagram, etc.). For each of these connectors, the app should support all fundamental operations including authentication, uploads, downloads, and more. In this contest, the participants have to add support for two of the following three: Google Photos, iCloud Drive, Instagram Languages allowed: Dart (preferable), Python, Java Requirements: Implement the class functions declared in the attached file. Replicate the structure if working in a different language. The function definitions should make the requests to the published raw API endpoints for the connector. (No API packages allowed for obtaining the results) You may use official API packages to correctly deserialize the res...
I'm in need of an experienced app developer who can create a cross-platform application. The app should primarily provide a data prediction feature similar to 'Probo app' or 'MPL Opinio'. The functionality of the data prediction feature needs to be a combination of predictive text input, machine learning algorithms, and real-time data analysis. Key Requirements: - Develop a cross-platform app for iOS and Android - Implement a data prediction feature - Ensure the data prediction is based on predictive text input, machine learning algorithms, and real-time data analysis Desirable Skills: - Proficiency in both iOS and Android app development - Strong background in data prediction and analysis - Previous experience with predictive text input and machine learning algo...
Update, next release. The work has been discussed in the freelancer chat.
I'm looking for a skilled full stack developer with in-depth experience working with the Spring Framework and Next.js. Have questions about the advantages of the Spring framework? Let's discuss during the Interview. Specifically, the following points need to be covered: Front-End Development: - Implement user authentication mechanisms Back-End Development: - Create robust APIs to support the front-end functionalities The ideal candidate for this project should have a successful track record in: - Front-end development with a focus on user authentication - Back-end development, specifically API creation - Proficiency in the Spring Framework - Expertise in If you have experience in these technologies and can deliver high-quality code within a specified timeframe, I'd lik...
I need a skilled Android developer to create an app that generates subtitles in Hinglish. The app will primarily need: - A user-friendly interface for easy navigation and interaction - Efficient subtitle generation for videos - The ability to switch between different fonts and colors - A built-in platform for sharing the subtitles - The possibility to add background music I don't have a strict deadline for this project. I'm more interested in finding a professional who can deliver a high-quality app. Previous experience in subtitle creation and Android app development is a plus.
I'm currently working on a project that involves compiler construction in Java. I'm looking for a professional who can deliver effective semantical analysis ensuring that my project successfully passes private tests. The ideal candidate should have a background in compiler construction, particularly with hands-on experience in Java. Key requirements include: - In-depth understanding of compiler construction principles - Proven experience in semantic analysis - Proficient in Java programming - Ability to deliver error messages for incorrect syntax - Familiarity with integrating semantical analysis into existing Java projects This project has already integrated the semantical analysis, and you will be required to enhance it to effectively identify and report errors ...
I'm seeking a qualified automation developer to create an automation framework in Java, specially tailored for the execution of functional tests snd regressiontests. This project requires: - Fluency in Java language programming, with demonstrable experience in developing automated frameworks. - A strong background in software testing, particularly in thetesting area. - A deep understanding of scalable systems, capable of growing to meet increasing needs. With your expertise in this domain, you should facilitate the task of creating, implementing and scaling functional tests. Please ensure your work is properly documented for future maintenance and scaling. It is crucial for me that the framework can be effortlessly scaled and served according to the evolving requirements of the proj...
I'm in need of an expert in Go programming language with a strong background in DevOps. You'll be tasked with optimizing my code and setting up automated testing. Key tasks include: - **Code Optimization**: I'm looking to significantly improve the performance and memory usage of my application. You should be able to identify performance bottlenecks and develop optimized solutions. - **Automated Testing**: I need you to set up a comprehensive testing framework that ensures high test coverage. Your role will also involve ensuring the application is scalable and efficiently utilizes resources. Your expertise should help in balancing fast response times with resource conservation. Ideal candidates should: - Have extensive experience with Go programming - Be familiar with...
I'm seeking an expert in machine learning integration for a timely project. More specifically, I'm currently using PyCharm and a variety of ML frameworks or libraries to test a range of custom signals. The ideal candidate for this project should possess the following skills and experience: - Proficiency in PyCharm IDE for Python - Familiarity with various machine learning frameworks or libraries, including but not limited to TensorFlow, PyTorch, Scikit-learn, Keras, MXNet, and Caffe - Experience in integrating different ML stacks The top priority is to have this project completed as soon as possible. Be prepared to share your approach and timeline for project completion during our discussions. Your adaptability and ability to handle tight deadlines will be highly valued in th...
I wanna create script in extracting or scraping the subscriber data from a large Telegram channel and groups. The ultimate goal is to invite these subscribers to my own channel. Key Results: - Extract or scrape customer data from specified Telegram channels or Groups. - The type of data required is mainly (phone number - user) - Extracting data from private channels or groups - Provides a complete list of extracted customers - Ensure customer data is ready to easily import into my channels for invitations Ideal Skills & Experience: - Proficiency in web scraping tools and techniques - Experience with Telegram algorithms - Experience with Telegram API or similar platforms - Proven track record in handling and managing large amounts of data - Strong communication skills to provide detai...
I'm in need of a talented developer who can create an application that collects data from a domestic News API channel in both Hindi and English, and then converts this content into a 100-word summary in real-time. Key requirements for the project include: - Utilizing the News API to collect news in both Hindi and English - Implementing an efficient and effective algorithm to summarize the news into 100 words - Ensuring the summarization process takes place in real-time - Optimizing the application for high performance The frequency for data collection from the News API should be every 15 minutes. Ideal Skills and Experience: - Proficiency in working with APIs and data collection - Strong background in natural language processing and summarization algorithms - Previous experience ...
I'm in need of ongoing technical support, specifically for troubleshooting, debugging, performance optimization and code reviews for my Mongo and Python projects. The ideal candidate should have a beginner to intermediate level of expertise in these areas. Key Responsibilities: - Troubleshooting and debugging: Diagnosing and fixing any issues that may arise during the project development process. - Performance optimization: Enhancing the performance of the project through various optimization techniques. - Code reviews: Providing feedback on the codebase to ensure adherence to best practices and standards. Ideal Skills and Experience: - Proficiency in Python and Mongo. - Experience in troubleshooting and debugging. - Basic understanding of performance optimization techniques. - Abil...
I am in need of a seasoned Android app developer to bring my vision to life. I need to deploy my ap to playstore, am looking for a developer to buid my source code app to apk and deploy it on playstore
I'm in need of an experienced Python developer to assist with the development of critical web security tools. While specific tools aren't outlined below - Subdomain Enumeration: Subdomains to be listed and categorized. - Directory Enumeration - Sensitive Parameter Detection - XSS Testing - SQL Testing
I'm in need of an experienced Python developer to assist with the development of critical web security tools. While specific tools aren't outlined below - Subdomain Enumeration: Subdomains to be listed and categorized. - Directory Enumeration - Sensitive Parameter Detection - XSS Testing - SQL Testing
I'm seeking a Java developer with intermediate-level skills and proficiency in Gradle. The primary tasks will involve: - Building and maintaining software applications. Experience in this is paramount as the essence of the job involves continuous development and upkeep of the software. Ideal skills and experience would include: - Intermediate-level knowledge and experience in Java and Gradle. - Proven track record of writing clean, efficient code. - Good troubleshooting skills with the ability to debug applications effectively. While I skipped specifying a particular software development methodology, I value adaptability and a mindset oriented towards learning. Being able to navigate various methodologies will be viewed as a plus.
I am looking for a skilled Android developer to create a ffmpeg demo app that is prove the concept of few advance command that is worked on windows console - ffmpeg Android - ffmpeg -rtsp_transport tcp The ideal candidate should have experience in ffmpeg Android library and expert only
I need the creation of an Android app that functions as an EV Charging Station Locator. This app will include: - Charging Station Locator. - Real-Time Availability. - Booking and Reservations -User Accounts and Profiles -Notifications and Alerts -Feedback and Reviews Features for Station Owners:* -Station Management Dashboard -Station Listings and Profiles -Booking Management -Communication and Support This project requires a freelancer highly skilled in Android app development. Experience in integrating Geolocation and e-commerce is vital. Also, the ability to incorporate user review systems is crucial. Knowledge of the EV industry will be considered an asset.
I am in need of Kotlin app developer who can help solve a pressing issue related to a functionality issue. - Desired Outcome: The goal of this project is to find a solution to the issue. - Problem Area: Href links don't work in a Dataview that's set with a setOnTouchListener Skills and experience needed: - Proficiency in debugging and fixing Kotlin issues - Excellent problem-solving abilities - Demonstrated ability to handle technical issues related to software Please bid with your proposed strategy to solve the given issue and timeframe needed.
I am in need of a proficient software developer, specifically for web development. The project involves the creation of a website focusing on a content management system. I am geared towards using the Java stack for the task. Key Requirements: - Skill in and a vast understanding of the Java stack. - Prior experience in web development. - Experience in developing content management systems. - Efficiency and ability to meet deadlines. This task is perfect for a web developer who has deep-rooted understanding and experience in utilizing the Java stack and creating content management systems. I look forward to receiving your bids.
I'm looking for a mobile app developer to help me create an Android app that includes user registration and login functionalities. Key Features - User Registration and Login: The primary goal of this app is to allow users to sign up and create an account, as well as to log in to their existing account securely. Ideal Skills and Experience - Prior experience with Android app development is essential. - Knowledge of implementing user registration and login features in mobile applications. - Good understanding of security protocols and encryption for user data. - UI/UX design experience is a plus to ensure a clean and user-friendly interface. - Previous work with apps involving user data management and permissions will be highly valued. Please include in your proposal any relevant wo...
The developer should have the following skills and experience: 1. Proficient in Java, Kotlin and other programming languages; 2. Have a deep understanding of Android platform, familiar with Android SDK and related tools; 3. -- If you have an already published app you can! Out -- for s-a-l-e! . If you are interested, please feel free to contact us and look forward to further communication with you.
I am seeking a skilled Android developer to execute a project in Kotlin.
I'm in need of an ERPNext developer who can seamlessly connect our UniCenta offline POS system with our ERPNext. This integration is crucial as we operate both a restaurant and retail store. Key Responsibilities: - Syncing Items and Inventory: I need our food, beverages, and retail products to be accurately reflected across both systems. - Customers and Sales: It's important that our customer database and sales records are consistent across UniCenta and ERPNext. - Invoices and Payments: Ensuring that invoices and payments are tracked and synced between the two systems is vital for our operational efficiency. Additionally, I would like the following functionalities: - Sync a certain category of items, and a specific user (waiter) between the two systems. Frequency of Synch...
For this assignment, I'm looking for an experienced developer to link Puntingform and our own API to develop a text-based Discord software. Essential Requirements: - In-depth understanding of API integration - Familiarity with Discord API - Ability to create software with real-time data updates - Proficiency in text-based software design By completing this project, you’ll facilitate an essential function of our Discord platform - real-time data updates. I am counting on your expertise to ensure seamless service for our users with this text-based application. Prior experience working with Discord API would be a definite plus.
Looking for a pre-built API that can enhance image resolution. This will be an integral part of my workflow. Key Requirements: - The API should be compatible with Python, as this is the language I work with. - It should have a primary function of enhancing image resolution. Additional Information: - The expected input image size range is not defined, but the API should be able to handle images of varying sizes. - While not a must-have, I'd appreciate it if the API is lightweight and easy to integrate. Ideal Skills: - Proficiency in Python and experience with Python-based APIs. - Prior experience with AI image enhancer APIs. - Ability to understand and work with varying image sizes. Please provide details of the API you can offer and any relevant experience.
I'm seeking an experienced developer to integrate an AI chatbot into my existing Android Java chat application. This is a minor project, significantly aimed at enhancing customer engagement, user experience, and automating customer service. Key Features: - Proficient in Natural Language Processing (NLP) to facilitate smooth and efficient interactions with users. - Capable of directing users to live support whenever required, providing a seamless handover from AI to human support. Ideal Skills: - Strong experience in Java and Android application development. - Prior work with AI chatbot integration, NLP specifically. - Excellent problem-solving skills and creativity in implementing AI functionality. Do you own these skills? I would love to hear from you. Let's discuss more a...
I'm on the hunt for an experienced Android developer to build a voice calling app with the added feature of call recording. Requirements: - Expertise in Android app development. - Prior experience in developing calling apps is preferred. - Implementing call recording functionality. - Knowledge of best practices for good voice call quality. - Understands importance of user-friendly interface and ease-of-use. A background in telecom applications will be a plus and given preferred consideration. Fast turnaround is also appreciated. Looking forward to your bids.
I'm looking for a skilled Flutter developer to help me set up my development environment on Windows. The goal of this setup is to create an Android application using Flutter. Key requirements include: - Setting up Flutter and Dart SDKs on Windows - Ensuring smooth integration with Android Studio for a seamless development experience - Configuring Android virtual device for testing purposes The ideal candidate should: - Have prior experience with Flutter on a Windows machine - Be proficient in Android app development and deployment - Have strong knowledge of Dart programming language Looking forward to working together on this exciting Android project! I will send You Documentation for the app