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!From 270,709 reviews, clients rate our Java Developers 4.85 out of 5 stars.
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I am looking for an experienced Freelancer who is able to provide data processing and data intelligence. I need someone who is proficient in working with structured data and is knowledgeable in algorithms, with the goal of making predictions using the data. I have a general idea of the approach to take, but I'm open to hearing any suggestions or recommendations from the expert. The data processing and intelligence should be performed with the highest quality and accuracy for the best results.
There is an existing back end codebase, we need to finish all missing requirements in 3 weeks, and 1 week for testing and bug fixes. There are two parallel tasks: 1- To fulfill the missing requirements, using MongoDB. This involves cooperation with the front-end team (a separate existing team). 2- To migrate existing (and new) queries from MongoDB to PostgreSQL using Liquibase. Multiple hires would happen, and each contract would be evaluated twice: one after two days, another one after one week. We would start by one member for each task, and add more whenever needed. The current OpenAPI (Swagger) is in - Latest versions are used (except using Java 18 because of Heroku). - Code first API - The application is automatically deployed, with updated OpenAPI, to be used by the front-end ...
Hello, I am looking for a concerned freelancer to help me with developing a web scrapper to scrape one specific web-site using multiple queries. The project requires scraping only some specific pages, which need to be done accurately and efficiently. Moreover, I also require additional processing of the scraped data. Most important things for me are: a) ability to query web-site by providing information in three different fields in order to be forwarded to next / output page b) the speed of scraping, supporting multiple threads using socks proxies (for example 100 scraping sessions at once) + updating proxies and rotating them every certain period of time c) convenient method of saving the output data (excel database, text files) - which in future I could integrate with some solution to...
I am in need of a system for connecting a plugin to a DDE interface for getting live tick data. This DDE integration will require information from me to help with the implementation, and I need to receive the data in realtime. I am willing and able to provide the necessary information to make this integration successful. i am using truedata velocity software. In this velocity software, they provide plugin for ambibroker, ninja trader etc., you will need to create ambibroker like system to get realtime data from plugin and save to log file. In below image, it shows the files required for plugin. If you install the velocity2.0 software from true data , you will get similar files in your computer. Then you will work on it. I will give user id and password for velocity software to run. Veloci...
I would like to develop a telegram bot like this @NewAdderBot, this one is no longer updated by the developer, so you don't work at the moment. I would like to make one like it and get people to subscribe on telegram. I ask for a quote thanks
I want to develop an AI-powered Q&A chatbot.. answering career and educational question like where I can study biology in France, or what I should work if i graduted from Math and has good computing skills. I need the chatbot to be in Arabic language This is good example
My business is in need of an Android app with a purpose of POS with an online store. We require some special features which would best suit our particular needs and help us achieve our business goals. The app we envision should be robust and user-friendly, yet easy to maintain and extend. We are looking for a talented mobile app developer experienced in Android development to create a reliable and efficient application that would provide our customers with the best possible experience. The developer should have a sound understanding of object-oriented concepts, be familiar with the latest mobile development trends, and have proven experience with Android Studio and the Android SDK. Knowledge of third-party libraries and APIs is also desirable. We look forward to receiving your proposals. W...
I am looking for a developer to create a React and Spring application (Boot, Transaction, Security) for web usage. The application will use an SQL database and be hosted on AWS. The project is a freelance platform which includes registration flow, payment, chatting and so on (similar to any freelancers platform) I do have figma design for the project (there are approximately 100 pages, but I’m interested in dynamic pages containing back end part)
I'm looking for a talented app developer to help me with my Android project. I need a reliable professional who can make sure that the app has everything it needs to succeed. I need an app with an integrated in-app payment system, as well as a variety of layouts that take into account different device sizes. With the right design, I'm confident that this app can reach its target audience. If you think you're up to the task, I'd love to hear from you!
I am looking for a proficient expert to help me with my data mining project. The project requires someone with expertise in handling a variety of data, including numbers, text/words and pictures. As the project is time-sensitive, I would like the expert to complete it ASAP.
Hello, I'm looking for a talented Freelancer to help me develop a technical assessment test that is 18 minutes long. The test should be conducted in Java/Algorithm and will require coding skills this will be done remotly via anydesk or teamviewer
Looking for someone who has already worked on reading data from a smart card chip. We can buy any device that comes with android sdk please apply if you already have experience with this kind of work
I am looking to add functionality to my recycleview, currently its scrolling well but only to beginning of item, the issue is when the item is larger than the screen I cannot scroll the item. Screen size 2.8" resolution 240*320 lcd density 160
I'm looking for an experienced Android Developer to help me solve one issue. I'm looking for someone proficient in Java, who can help fix a bug.
Project needs to build a dashboard for football managers to look at players performance this season. The project will need substantial use of OO Programming, the Java collections Framework, Java Swing and event handling for GUI building. So, an individual who is having an extensive knowledge on OO Programming, the Java collections Framework, Java Swing and event handling for GUI building are welcome to apply ONLY. PS- Please we are not looking for any "company" or "team" for this project. We just need an expert who has an extensive knowledge and skills on the above mentioned topics and who deliver it successfully and on time.
I am looking for a specialist in creating a telegram bot. I need a bot able to get user or chat information after using the KeyboardButtonRequestUser and KeyboardButtonRequestChat method. Make just two buttons and display all available information about the connected user and the connected chat. official method documentation: important to use given java library:
To develop a android APP using Bluetooth and serial port profile in bluetooth to communicate with IOT devices Will have a login screen login authenticated via a server Will have message exchange to BT IoT device and server.
Hello, - Need an Publisher for publishing my android App on Google Play. - I have Ready -made applications(.aab.file.), but i don't have an any google play console account. I have 3 android application built in java/kotlin language and I want to upload it in your Gp Console. - 9 $ =3 Apps. - Developer access compulsory available. -I am looking for an Android Developer, you will publish an apps,you will receive all materials from is a 15-20 minutes job as i have everything ready on my you just need to upload it as soon as possible. Requirements: - Play Console Developer Account - Anydesk ID / Team Viwer / Console Access - Important Note : Every Month Rent :- 30$ When sending your proposal, please write your google play developer name.
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Hello Freelancers! I'm looking for an experienced Mulesoft Architect to join me and help with a project. The ideal candidate will possess proven expertise in Mulesoft Integration and API Development, specifically design and construction of integrations, configuring data and various processes, maintaining, testing and deploying on cloud platforms, as well as cloud platform setup and administration. The successful applicant will demonstrate extensive experience in the Mulesoft technology stack, as existing Mulesoft expertise is essential for this role. If you possess the right qualifications and experience, and are excited to join on an incredible project, please get in touch! I look forward to hearing from you.
I'm looking for an experienced app developer to create a robust Android mobile application. I already know what I want the app to look like and how I want it to function. Specifically, I need the app to include search capability. The ideal candidate will be well-versed in developing Android applications and have proven experience with the platform. They should also have a strong understanding of the various features and functionality needed to ensure my app meets my requirements. In return, I'm offering a competitive rate based on the complexity of the project and the timeline we agree upon. If you've read this far, please reach out and let me know your experience and availability. I'd be happy to share more details on the project and answer any additional questions y...
I am looking to create a chatbot to represent a person for conversation in whatsapp. The chatbot should use an informal conversational language to allow users to have a natural conversation. It should provide an intuitive and interactive experience. By leveraging AI technology, it should be able to understand requests and respond accordingly. This chatbot is strictly for personal use, not business use.
We need to have transcripts of phone conversations summarized. The application should login to the website that contains the transcripts and summarize new phone calls posted on the site once a day using a provided OpenAI API prompt. The call summaries should be sent in one batch to a provided email address. The website with the transcripts has a relatively simple interface - posting new transcripts in a list chronologically. Features: -The application should summarize all new transcripts and send those summaries in one batch each day to a predefined email address. -The application should summarize all new transcripts on a watchlist (also clearly defined on the website) in one batch each day to a predefined email address. -The ability to edit the ChatGPT prompt driving the summaries throug...
I want Strong Java Developer for Developing my debugging Skills
Hello Freelancer, Java SpringBoot Developer who can give 9 Hours in a Day
My project is to create an informational mobile app using Java programming language that will be available on the Google Play store. I have a clear idea of what I want the app to look like, however, I do not yet have sketches or designs available. I am looking for an experienced developer who can use their creative abilities to produce an app that meets my specifications. The app needs to be user-friendly, fast loading, and easy to navigate. It should also be appealing to the eye so it can attract users. I am looking for someone who is knowledgeable in the Java programming language and the capabilities of the Google Play store. If you think you have the expertise to help me create a successful, attractive, and functional mobile app, please contact me.
Hello, First of all, I need a dating app that will run on the Android platform. I want a completely open source dating app with admin panel. I can also buy Dating apps that you have developed and want to sell. My primary preference is to purchase existing projects and develop them. Creating a new project is both more costly and takes a lot of time. So please make the project sale your priority. I like the features of these two applications and would like to have them in my project. Developers who have developed dating apps before, please bid.
I am looking for an experienced bioinformatics specialist to help me with a project. I need someone who is adept in gene ontology, docking, and simulations, as these are all related to my project needs. While I don't necessarily require a minimum number of years of experience in these areas, any level of experience is appreciated and encouraged. Additionally, I am open to working with specialists from any geographic location, as I am open to the possibility of fully remote work. This project will require the candidate to have a keen understanding of biology, computational biochemistry, and programming techniques. If you think you have the skills required and are up for the challenge, please reach out soon.
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Looking javafx developer have good experience in Java fx UI development and API collection will be provided. Only need to integrate the API and make the function working.
Senior Apigee Developer Years of experience: 3-5 years Education: BS in Computer Science, IT, or a related field. Requirements: • Advanced knowledge of Apigee API Gateway. • Familiar with GCP. • Familiar with Microservices design, Familiarity with Java Spring Boot or similar Java framework. Ability to troubleshoot problems at the component level. • Excellent verbal and communication skills. Ability to work in a team. Perks and Benefits : Work From Home & Office 5 Days/Week Day Shift Preference: Immediate Joiners Job Type: Full-Time Contract-based Job Only apply if you ok with this 1. Should have 3-5 years of experience 2. pay will be based on experience
I'm looking to hire an experienced software architect to help design and build a cutting-edge customer relationship management (CRM) system. I have specific requirements for the software architecture, the customer-facing interfaces, and the database integration. For the software architecture, I'm looking for someone primarily experienced in building systems using microservices. For the customer-facing interfaces, I'm looking for a cloud interface. The goal is to build out a modern, secure, and reliable CRM system that I can offer to my clients. If you think you're up to the challenge and meet the requirements, please consider applying for this project. I'm looking forward to hearing from you and discussing the details further!
Hello, I am a behavioral science researcher and need a computer programmer to work on a computer task I call the AGRAF. This is a task that works as a game where the research subject must choose between two images (selecting either a triangle or a star on the computer screen), and each image is associated with a different delay before points are earned. My plans are to administer the AGRAF online through a college website. What I need. 1. The AGRAF is written in Java, but I now need it written in PYTHON 2. The AGRAF has a menu which must now be eliminated. So, this means that default features must be put in place of the menu, which I will give to the person I hire. 3. Because the AGRAF will be administered online, I need new instructions written so research subjects know how to complete...
Hello, We are hiring a minecraft developer who can do some customization on my new minecraft server. I am looking two server with one ip address. Here below server requirements. First server " name not given yet".. This server is most important. It will be in survival mode. This server requires customizations like. - spawn at middle - adding roads arround the whole server. These roads will have rail line too. This is most important customization needed to be done so its looks professional. - Besides roads there will be plot. Lets say each player can build 100x100. And they can whitelist 4 players per plot . We will need in this server for 200 plot each size 100x100 except roads. Roads will be used for travel purpose. This server will be now now pvp off, keep inventory on (...
Objective: The game implemented from Assignment #1 is improved with a menu, settings, statistics kept in a database, themes, animations, and asynchronous behaviour (timer-based actions and notifications). While some of the timer-based actions and notifications employed in this application generally might annoy a user, they are included in the assignment for the purposes of learning how to implement these features. Specifications: Track the win/loss statistics in an SQLite database Keep track of the timestamp every game was played and the result of the game in a table. You may consider storing the integer value of seconds from epoch for the timestamp, e.g.: (() / 1000) The statistics can be viewed and reset via a new activity launched through the menu Implement a menu for the Action...
Online betting app on Android like rummy+5 games
We are building a trading application for a client and looking to add another Java SpringBoot developer to our team. The candidate is free to chose their working days and times but we expect them to put in at least 16 hours per week to meet our project milestones. We prefer someone based in India as the team and client are in India. Required skills: 3+ years experience in Java SpringBoot, Angular Preferred skills: AWS, Knowledge of stocks and derivatives, Prior experience in startups
Anyone who is capable of doing this task within 3 hours can bid.
I need to implement whatsapp on my business.
I require a freelancer, who owns any of the Zebra devices (TCX, MCX) and can test the scenarios and deployment to be working before delivering. We have a fleet of Zebra MC3300 handheld scanners. We have our own warehouse picking Android apps to be installed on them. We also wish to use Enterprise Home Screen to limit access to apps by warehouse workers. And lastly, we wish to update Android OS + StageNow app to a certain version. For this, we need to create StageNow scenarios for easy and mass deployment. We need someone who did this before and is experienced with StageNow deployment. * We have scanners purchased at various times, so they are running Android 8, 9, and 10. * The scanners are running various MXMF versions: / 220.127.116.11 / 18.104.22.168 We wish the output to be several individual ...
The project rules are: ● The goal and details of the competition are described on the Kaggle competition page itself. In summary, it is about designing an algorithm that predicts the 1000 missing links for a social network of members of a Spanish university.
I need to implementation a program in Java. You may use Swing or AWT, whichever you prefer. Provide comments in your code to show the patterns design must correctly apply the controller and command patterns AND the implementation must also correctly implement these patterns. A partially correct implementation is considered incorrect. I will send you in chat, its very basic and small task max budget 10$
I'm looking for a talented developer to build a School Paying System. This system will not require integration with any external systems. It's expected launch date is 3 months from now. The School Paying System will provide an easy way for student to pay at the canteen. Its not for a single school its for all schools at the city. It will also he used out of the school so at libraries, study rooms, coffee shops and stores thats we give permission to use our technology The system will be built using the latest industry standards and the highest quality coding practices. All the data will be securely stored and will use robust encryption to ensure the safety and privacy of the school's information. And for faster paying solutions, every school going to have its own small serv...
This is POC for the client. I just want direct dedicated 10 hours of the developer. There is existing project in andriod with running code. You need to use the same functionality and develop a simple logic on the same by storing data in local. A fix price work as the project file is alredy availble. once this POC is approved, want to go for more features with additional cost price.
We need an Android app for time in and time our for daily attendance . but restricted to log in from allowable gps coordinates. Send the data to firebase and downoad to local server and send the logs through text messages also
I am in need of a talented Python Selenium developer who can complete a project within 1-2 weeks. This project will require the integration of an pass the recaptcha using python-capmonster. Expert Python programming skills are essential for the successful completion of this project. The successful candidate will be expected to provide source code and documentation upon completion.
I would like to get a python based software developed to auto login and mimic orders from one Zerodha account to another account. Basically the software will monitor the primary account continuously and whatever trades get triggered in the primary account, it will copy those into secondary and all attached accounts. All the Auto Login can be done through selenium and Data like username/password/TOTP can be taken from excel sheet per user . Also a separate same Python based Dashboard to monitor all account activity. I have attached the file needed to get basic idea.
Teach me software basis, terminologies and make me understand enough to manage team. PHP and JAVA
I am looking for a web-based chatting application that is coded in Any language and has messaging and voice calling features. I want the application to be secure and have a user database. Required features • A user can send a message to friends, and message can be text, picture, or short video. • A user can receive a message from a friend. • A user can search its chat history (only consider text). • All chat histories are stored in the cloud server. • We do not want the cloud server to learn anything about any chat history. • Ideally, we do not want the cloud server to learn anything about a user, e.g., communication pattern and connections with other users. Deliverables Three items need to be submitted, the source code, the document, and the presentation sl...