Java is a versatile, object-oriented programming language that is widely used for software development across various industries. Java Developers can help clients create anything from complex web applications to automated trading bots and mobile apps. With their advanced skills and knowledge, they can turn your vision into reality, providing you with tailored solutions that align with your business goals. Here are some recent projects that our expert Java Developers made real:
- Developing custom GUIs for existing codebases
- Creating encrypted, secure crypto apps
- Designing cross-platform audio merging tools for mobile devices
- Building sophisticated trading bots for the cryptocurrency market
- Implementing open-source virtual machines in C
- Collaborating as senior developers on large-scale Android projects
- Solving server request errors for mobile applications
- Running and optimizing code from Git repositories
- Designing and implementing web services for seamless integration
Hiring Java Developers on Freelancer.com gives you access to a global pool of talented professionals who can deliver high-quality solutions tailored to your needs. Our platform makes it easy and convenient to find, hire, and collaborate with skilled Java experts from around the world. So why wait? Bring your ideas to life by posting your own project and hiring a Java Developer on Freelancer.com today!De 270,855 opiniones, los clientes califican nuestro Java Developers 4.85 de un total de 5 estrellas.
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Soy una pequeña empresa que requiere comandos de respuesta tipo chatbot para seguimiento de clientes
Asesoría para crear un crud SOAP en Eclipse IDE JDK 17, Spring boot 3.
Quiero adquirir este script de codecanyon y quiero saber si se le puede agregar un complemento. Especificaciones Ver mensajes recibidos en un panel. Ejemplo: tengo 20 numeros que envian mensajes automáticamente y quiero ver mis mensajes recibidos en un panel y al hacer click a un mensaje recibido de un cliente pueda responderle sin salir del sistema en el mismo panel y con el mismo numero que recibio el mensaje
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Con la finalidad de una comunicación fluida. IMPRESCINDIBLE IDIOMA ESPAÑOL* (It is essential to speak Spanish) Requerimos desarrollar nuestro sitio web desde cero, dedicado a ofrecer servicios administrativos (cobros y pagos) y logística (paquetería y gestión de compras) la esencia del proyecto es de un área de cliente, es decir, autogestión por parte del cliente en sus solicitudes, así como también puedan pagar los servicios solicitados con la empresa. Igualmente el panel administrador tiene que ofrecernos una serie de reportes con la finalidad de llevar un orden de ejecución de tareas dentro de la empresa.
Queremos meter una actualización de funciones a un programa de Escritorio programado en Java e insertar tambien funcionalidad online para que los datos que recoge los mande directamente a la nube en vez de en local como hace actualmente. Es un programa de Cronometraje deportivo que trabaja con la API de dispositivos Impinj.
Tengo un problema con una aplicación que estoy desarrollando con Android Studio y trato de realizar una conexión vía Bluetooth, pero he hecho lo que sale en el manual de Android y al simular en un móvil real no me pregunta si doy permisos para la conexión por Bluetooth. Lo deniega directamente. En un emulador virtual sí funciona Necesito un Activity que haga la conexión Bluetooth y funcione
Producto minimo viable de un aplicacio de delivery tipo uber, con pequeños cambios
Busco un programador que sepa kotlin, la aplicación se encuentra en play store "Yo Nunca - Juego para Beber". Se necesita corregir errores e introducir mejoras.
Se requiere una persona que haga equipo con un grupo de desarrolladores como principar tener conocimientos mongoose, node, expresss se requiere docuemntar el proyecto y como opcion principal generar la refactorizacion, se requiere experiencia comprobable
Hola mi nombre es Gustavo Ceballos, Estoy realizando un proyecto para la maestría, soy del área de la salud, lo que queremos realizar es una app para celular y Tablet la cual conste de un avatar con un progreso en niveles, cada nivel va a tener tareas como de higiene, hidratación, lectura, nutrición y activación física, cada vez que el niño cumpla un reto lograra ir pasando los niveles, por cada nivel va a obtener monedas las cuales le servirán para comprar cosas para su avatar en una tienda virtual, es un proyecto para el área de salud, buscamos fomentar los buenos hábitos en los niños y que mejor que con un buen videojuego, también queremos que la app lance algunas alertas de cuando el niño se teng...
Hola, para iniciar por favor escribe la respuesta de la pregunta al inicio de tu oferta. ¿Cuál es el número de el chavo? Estoy buscando una persona proactiva con experiencia en programación y WHM para trabajar en diferentes proyectos con la posibilidad de establecer un equipo para ofrecer otros servicios relacionados con el área. El postulante debe saber trabajar bajo ambiente Windows o Mac El puesto de trabajo es presencial con facilidades en el horario. El precio de la oferta es en base un mes de trabajo. Si la persona es diseñador gráfico o sabe algunos programas de diseño, es un plus. Nuevos en la plataforma de freelancer son bienvenidos. Buena Suerte!
I am looking for someone to draw up some UML class and activity diagrams for a project. The successful freelancer should include any relevant past work in their application. The requirement is to develop 1-3 diagrams in total. Familiarity with UML class and activity diagrams is paramount. I am looking for someone who can deliver a professional product to complete the project on schedule and within budget.
I need an Android App (9 and above) that display our POS orders. Your app will read from a local WAMP mysql database. Under new POS orders, if catrgory matches, it shows the order at this android app. The kitchen can than swipe left ot swipe right to clear the order. More details can be found in attach pdf. DO NOT post me only your portfiolo, DO NOT post me just i can do it. READ the pdf and understand it. Timeframe can not be more than 7 days, the faster you are, the more likly i will select you. Just msg me and ask me what you understand and what you dont. Thanks
We are looking for an expert in Cyclos Development. If you think you are a right candidate, please show us your cyclos project. Then, we will interview and hire you. Remember we only consider if you show us your cyclos.
Create a android application - simple file manager with the following features: The application offers the following features: 1. File and Folder Browsing and Searching based on name app provides the option to view all files and folders on the device or apply filters based on the date of modification. app allows users to create, delete, and rename files and folders on their device. The contextual menu enables users to perform these actions on selected files or folders.
Im looking for a software developer than can code a platform for affiliate marketing tracking
aplicativo apk para controle de gastos
We’re looking for Java programmer with a strong background for Spring, Swing, and mobile support. Also, we require experiences on CRM and ERP programs covering Invoice, POS, Accounting of AR/AP, Inventory, Employee & Payroll,.. We will discuss the project in details with the selected coder. Please write down the “Understand” text before submitting your bid and show us your previous experiences explicitly. Otherwise, your bidding will be neglected. 1. The first 2 weeks will be a trial period with 20 hours per week and 40 hours after a trial period. 2. The hourly rate is not more than $6.00. 3. We expect to have a progress report every day. 4. Requires a signed NDA for the selected coder before starting the project.
I am looking for a freelancer who are expert in Android. I want you to create a custom class file for SearchView that come with animation behavior exactly like gmail. I want you to make the search animation to floating from the right to the left. I dont want you to use a third party library only use my own. I have already created a layout that come with frameLayout, a edittext, some imagebutton, so I just need you to put in the searchbar, use the setMenuItem for the search to work to display them in the search bar with animation behavior. And I have got some apaters files that I need you to get it work with the search to display the history and display the search. If you can do this for $50 that would be great. I look forward to work with you. No time wasters please. Thanks for your intere...
build a small database engine with support for Octrees Indices. The required functionalities are 1) creating tables, 2) inserting tuples, 3) deleting tuples, 4) searching in tables linearly, 5) creating an Octree upon demand, and 6) using the created octree(s) where appropriate.
I need a Java EE application that runs on payara server. - It needs to be fully working - it's not specific, it can be any application(shop, bank, or whatever comes in your mind) - it needs to run on payara or glasfish - it needs to have and use EJB containers - it needs a readme file explaining all the details of development
I am seeking an expert developer to create an Android native (JAVA) app to support Google Health Vitals. This app will run exclusively on the Android platform, and Display data in table format. Below are the requirements. Connect to google account and get the health vitals stored in google account. Ex. Heart Rate Step count And other data too. Show all the vital data in the app home page. Display records in tabular format. No need to save any data. Experienced developer is required. The app should be coded entirely in JAVA, and adhere to Google's standards. Furthermore, the design of this app must be of a professional quality. If you think you are up for the challenge and are an expert in mobile-app development, then this project is for you!
I'm looking for an experienced Technical Content Creator with expertise in the areas of C, C++, Java & python programing in video format and screen recording. This person should be knowledgeable in these subjects and be able to create effective content to be used across web-based platforms. You must have previous experience creating content, specifically content related to C, C++, Java & python programming. The content you create must be up-to-date and accurate in order to ensure user satisfaction. If you have experience in the field and are proficient in C, C++, Java & python programming then please apply for this job. Thanks for your interest!
Looking to predict market moves with some data entry in the excel file. I have the logic. Need to program it.
Integrate Auth0 in my spring boot application show work in Anydesk or TeamVirewer
Hi I need help with typescript and jest testing framework. I have a few method in ts to get secrets, assumerole, call API, convert Jason to csv and upload csv to s3. This code is working perfect but having difficulty with unit test using jest framework. I have the unit test for all method but somehow it’s failing. I need some help fixing them.
AES Encryption work on cryptography
Salam kepada semua freelancer yang berminat. Untuk project kali ini, kita mencari developer berpengalaman untuk membantu menambah modul dengan sistem yang sedia ada yang diasaskan oleh Java Framework. Kami mencari freelancer yang dapat membantu kami dengan kod baru atau menggunakan kod sedia ada. Kami juga telahpun bersedia dengan mockup UI untuk projek ini dan pelbagai persyaratan yang diperlukan telah disediakan. Jangan lepaskan peluang yang menarik ini kerana kami sangat antusias memperolehi anda berdasarkan kebolehan dan pengalaman anda. Sekiranya anda berminat, sila buat maklumat profil anda, unggah resume/pengalaman/history kerja anda dan berikan kami tawaran dengan harga yang munas
i need a java expert to lead me on how to get started on java
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. - 700 Rupees = 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 When sending your proposal, please write your google play developer name. - Important Note :- Every Month Rent :- 2400 Rupees Thank you....
Hello! I am looking for help on a data structures course of intermediate difficulty in the language of C++. This course should be designed as live sessions and discussion forums, so that I can experience an interactive learning experience. Ideally, the course should cover topics such as stacks, queues, trees, heaps and hash tables, while also offering in depth coverage of algorithms like searching and sorting. You should be able to provide detailed explanations of the concepts and the simple applications of these concepts. The forums should enable me to ask questions and get a response within a reasonable time frame. Ultimately, I hope to gain proficiency in data structures and can apply my knowledge in real life.
I am looking for a capable freelancer to help me create an interactive chatbot for WhatsApp. The chatbot should be able to handle both single tasks and multiple tasks, and should utilize AI-driven technology to best serve my needs. The project will involve researching existing technologies and working with me to create a complex and intelligent solution. As such, I require a freelancer with a strong background in developing chatbot solutions and artificial intelligence. Any coding and testing will be done under my supervision. Experience of working on other chatbot systems such as Facebook Messenger, SMS, etc. is a plus.
Hi there I'd like to have an ebook reader app developed. The app would have 4 up to 5 max screens. The job is not urgent at all as it's a personal project I'd like to see to fruition. I have an adobe xd mockup and if anything isn't possible lmk. There's no need for network integration. I'd like to have the source code and publish it (maybe) on the app store/play store if the app is nice to use but ultimately it's just for me. I have downloaded the entire play store of ereaders and I haven't found what I would like so that's where this idea came from I really hope you can help my dream app come true.
Hello am looking android app developer for manage my applications and host on play store. I have 2 game application intrested person message me fast
I am looking for a specialist in creating a telegram bot. I need a bot capable of receiving user and chat information. Make just two buttons and display all available information about the connected user and the connected chat. This bot is a psychological training of relations between a man and a woman, for this you need to be able to add two people to the bot, two partners, a man and a woman, this is the function I am now trying to find in the telegram bot. In the documentation, I found two suitable methods KeyboardButtonRequestUser and KeyboardButtonRequestChat, but I can’t figure out how to connect a second user to the bot and get data about it. As I understand it, the data from KeyboardButtonRequestChat and KeyboardButtonRequestUser are transferred to the UserShared object, which...
I need ready made app satta matka game in android or web
I need a developer Who has knowledge On Android , Ui/Ux l,ogo design ViralMarket is a mobile application that combines B2C and B2B e-commerce features with viral marketing to create a unique and engaging shopping experience for users. The app enables individuals to browse and purchase products from various businesses, while also allowing businesses to create and manage their virtual stores and sell their products to customers. Features for B2C Users: User-friendly interface with easy navigation, product categorization, and search functionality. Browsing, selecting, and purchasing products with options to add items to cart, wishlist, and favorites for easy reordering. Secure and easy payment processing through various payment gateways. Easy registration and login process for account cre...
hii i m looking for a app developer who can develop a screen recorder app for my own use . which can easily hide esp hack of pubg from recording . for more information dm me... i can also increase the price if you can do it urgently
We have requirement to develop a website for programing language C/C++/Java/Python Interview questions Answers.
A runnable code snippet is needed to implement the following functions. Refer to the IntelliJ search function (you can refer to FindPopupPanel, but cannot use it, a simplified version is required). the code and then pop up a window to display the displayed code (using EditorIml). the mouse enters the pop-up window, gradually display a floating button on the right side (refer to the screenshot). the mouse leaves the pop-up window, the floating button gradually disappears (refer to the screenshot).
I am looking for a skilled freelancer to develop an Android mobile app that I can use with an external camera. The app must be able to interface with the camera, and provide me with special features.I am looking for someone who is experienced in working with Android platforms, and ensuring that the app functions properly.I would also like to have a discussion about the exact features and capabilities of the app, so that I can ensure that I am being provided with the product that I need. If you have the skills and expertise to help me with this project, please get in touch. i would prefer mit app invertor
Will write python cross-compiler for Intel 8008 massively-parallel network with Data-Driven MQTT messaging. Freelancer should have recent experience with tensor application of Maxwell's Equations in anisotropic materials with large magnetic permeabilities.
I have to make attendance app where employee can make their attendance(in-Out) through this app
To develop an indoor navigation system for Android using Bluetooth beacons, the following skills and knowledge are required: Android app development: A strong understanding of the Android platform and development environment is essential. Bluetooth Low Energy (BLE): Knowledge of BLE technology and how to use it to communicate with beacons. Beacon technology: Knowledge of the different types of beacons, how they work, and how to integrate them with an Android app. Indoor positioning algorithms: Understanding of the different algorithms used for indoor positioning, such as trilateration, fingerprinting, and magnetic field-based positioning. Map and location data management: Knowledge of how to manage map and location data, including how to store, retrieve, and display this information i...
My experience with trading has been in the intermediate level and I am looking to develop automated strategies. I want to use Fyers API for algo trading and streamline the process of executing trades for me. My focus is to design a fully automated trading system that will help reduce any manual intervention. I am open to using a variety of programming languages, such as C#, Java, or Python, though I am comfortable exploring other options if needed. I am confident that I have the skills and experience necessary to develop a successful automated trading system utilizing the Fyers API.
I am looking for a progress algorthm developer. You should use the greedy algorithm in my project. I will let u know the detail spec in private chat. Please only bid on expert. Thanks Be Regards..
I’m looking for a team of software developers with extensive experience in Python to develop a data science and statistical project. The ideal candidates should have advanced Python knowledge and proficiency, and should be able to complete the project within a month. The project will include the development of procedures for efficient build a software application (SaaS) using advance statistics and data science techniques. The team should be able to communicate regularly, provide periodic updates and feedback, and deliver an optimal solution that satisfies all project requirements.
Hello, I'm looking for a developer who can help me with my Sass technology platform project. I need someone with experience working with web technologies, including HTTP, REST and JAVA. I am looking to purchase a platform currently that will save design time, its made for accounting and finance tracking, user log-in, have separate sections inside the portal with limited access, even if admin log-in, each section would need to have a password and 2-way verification. The portal would be used to hold data from API/Salesforce in one section and other sections would have an ability to calculate certain fields some formulas are basic and some formulas are advances but for now I am looking for a portal design and functionality * prefer to purchase something that is already build and if you...