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

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    I am in need of a skilled software developer who is proficient in Java, with the primary objective of creating a complex cross-platform software application. Key requirements include: - Proficiency in Java: The candidate should have a thorough understanding and experience working with Java programming language. - Cross-platform development: The software should be compatible with both Android and iOS platforms. Experience with cross-platform development will be a plus. - Complex project: The software development project is considered complex, so the ideal candidate should have prior experience in handling similar levels of complexity in their past projects. The successful candidate will have the opportunity to apply their skills to create a cutting-edge software product that will run sea...

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    I am seeking a talented developer to create an Android app with integrated machine learning abilities. This will involve sophisticated technology skills such as image recognition and natural language processing. Key Details: - The primary features the app should possess are image recognition and natural language processing. - Uncertain currently if integration with other external APIs or services will be required. - If needed, app would only require integration with machine learning APIs. Ideal Skills: - Extensive experience with Android app development. - Excellent understanding of machine learning, especially in the areas of image recognition and natural language processing. - Familiarity with Machine learning APIs. - Flexibility is necessary, as the app may require integration with ...

    €132 (Avg Bid)
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    I need a proficient mobile application developer to create a basic Android application with the inclusion of advanced feature - Push notifications. The app's most important function is sending task completion alerts to users. Key Responsibilities: - Developing a basic Android application - Implementing an efficient system for push notifications - Ensuring those notifications are specifically tied to task completion alerts Ideal Skills: - In-depth knowledge of Android application development - Experience with push notification services - Ability to implement task tracking features within an application - Previous experience in creating applications with similar features is preferred. This project requires a developer who can understand and implement my specific requirements, especi...

    €118 (Avg Bid)
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    I'm on the lookout for a skilled web designer in Singapore, with a flair for creativity and a strong understanding of user experience. This project is for a dashboard of an upcoming AI solution under a prominent banking corporation. Strictly looking for people who are living in Singapore, overseas candidates will not be considered. Key Requirements: - Proficiency in designing cockpit view features - Familiarity with the design principles of Apple products - Knowledge of UX/UI in the context of data visualization - Java, C++, etc Ideal Skills: - Proficiency in graphic design software - Experience in designing for multiple devices - Strong portfolio of web design projects The key functionalities required for the cockpit view feature of the dashboard are: - Real-time data updates - Cu...

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    Android Code Setup & Configuration 6 dage left
    VERIFICERET

    I need an Android developer to set up and configure the purchased code for an app. There are no UI design changes required, just the setup and configuration aspects. No third-party services need to be integrated at this stage. Ideal Skills: - Proficiency in Android app development - Experience in setting up and configuring pre-existing code - Strong debugging skills Please note that I won't need any UI customization or any third-party services integrated. The project's main focus is on getting the code set up and configured correctly.

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    I'm looking for a proficient JavaScript developer to create a Mobile app primarily focusing on providing educational college information. This app should bring in some core functionalities such as: - Detailed College Rankings: Detailed list and reviews of colleges across various aspects will be the heart of the app. - Course Offerings: An extensive list of courses offered by these colleges with detailed specifications need to be included. - Admission Requirements: Key admission requirements for the courses listed should be provided in an easy to understand manner. Ideally you should have experience in educational app creation and JavaScript mobile app development. Working knowledge in handling large data sets is a plus, as the scope of colleges could be extensive. Excellent UI/UX sk...

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    I'm seeking a professional developer to create a high-quality android app for my restaurant. The app should enable customers to engage with our offerings in a seamless way by offering an interactive menu display, providing order tracking, and facilitating table reservations. -Menu Display: An attractive and easy-to-navigate display of our different menu items. -Order Tracking: Real-time tracking functionality to let customers monitor the status of their orders. -Table Reservation: A feature to reserve tables in advance, enhancing customer convenience. Experience with PayPal integration is a must, as this will be our main mode of transaction. Proven success in developing restaurant apps will be a great advantage. I'm looking for someone with an eye for design, technical profi...

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    I'm in need of a software that will be able to message people with a specific message when they join a group my accounts are members of on Telegram. Key Requirements: - The software should be able to automatically identify and message users who join a group. It should be based on their Telegram user IDs to ensure accuracy. - The message that will be sent should be a combination of a welcome message with information about the group, instructions on how to get started, and a personalized message with their name. The software should support multiple accounts up to 100 accounts and should support proxy Once a person joins a group, first account out of my accounts will message him, and if another person join my group second account will message him automatically and after all the acc...

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    I have a computer with a dual screen Android operating system, it has two screens, one for the customer and the other for the person who charges. I have several problems. 1- The back screen of the client cannot be extended like Windows, it only shows the same thing that I am doing on the main screen. 2- I am using Oracle Apex with Jasperreport and Tomcat and I have a printer connected via USB, I want to know if there is a way to print PDFs without having to download them. that are sent directly to the printer. greetings.

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    I am seeking a MERN stack developer to help me with a specific part of my React project. I have an Excel file in the XLSX format which I need to be converted into a JSON format. From this JSON data, I'd like the city and country names to be extracted and then integrated into a React web sign-up form. The primary tasks of the project include: - Converting an Excel file (XLSX format) to JSON - Extracting and Integrating city and country names into the React sign-up form - The city and country names should be suggested in the input field as a dropdown list while users type The ideal candidate for this project should have: - Proficiency in the MERN stack - Experience in working with Excel files and converting them to JSON - Strong understanding of React and the ability to integra...

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    I need a highly reliable program that can perform several specific tasks: 1. Collecting free zip codes - Not just any zip codes though. I need information about the city and state each zip code belongs to. - I'm also interested in the number of free zip codes are in each city - And I need a list of all zip codes in a specific state. 2. Registering these zip codes for delivery on Amazon. Skills & Experience: The right coder for this job should have extensive experience working with zip codes and Amazon API. Familiarity with web scraping might also be beneficial, depending on your implementation strategy. Proficiency in English and Russian would be appreciated but is not mandatory. Please note that the verification of delivery availability via zip code is an essen...

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    I'm seeking a skilled Spring Framework developer who can quickly resolve critical issues in my project. work using anydesk - **Infinite Loop in AuditorAwareConfig**: The first problem is an infinite loop occurring with my AuditorAwareConfig. This error is causing significant disruption to the application's functionality and needs an immediate resolution. - **"Found shared references to a collection" Error**: The second issue arises when the application attempts to fetch user details. This error is halting some key operations and needs to be addressed promptly. I'm looking for someone with substantial experience in debugging and resolving issues within the Spring Framework. Given the urgent nature of this request, the ideal candidate should be able to quickl...

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    I need a professional with a high level of proficiency in Python, particularly in the domain of Natural Language Processing (NLP). The ideal candidate should be able to handle tasks such as text classification, sentiment analysis, and named entity recognition. Key project details include: - Proficiency in Python is a must, and experience in working with NLP libraries is highly preferred. - Strong understanding of text classification, sentiment analysis and named entity recognition. - Prior experience with user-generated content, academic articles or social media posts would be advantageous. Your main responsibilities will be: - Developing and refining NLP algorithms for text classification, sentiment analysis, and named entity recognition. - Implementing these algorithms in Python and t...

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    I’m looking for experienced developers or development companies to create a comprehensive application and admin panel for a retail affiliate partner management system. The project includes features like user registration, document verification, product management, campaign tracking, lead management, and commission payouts, all integrated with various third-party APIs. The application aims to facilitate registration, lead management, product promotion, and commission payouts for retailers/partners, while the admin panel provides tools for managing users, campaigns, notifications, and reports. Technology Stack • Application: Flutter or React Native • Database: MySQL • Backend: Java, J2EE, Spring Boot **Application Overview** The application will be developed using Flu...

    €20 / hr (Avg Bid)
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    PC Skills Training Game Developer 6 dage left
    VERIFICERET

    I'm looking for a game developer to create a PC-based skills training and testing game. - Platform: The game should be developed for PC, - Genre: The game falls into the "Skills Training Testing" category. - Objective: The game will involve coding & programming elements, problem-solving & logical thinking challenges, Key Requirements: - Experience in developing PC games, particularly those with a focus on teaching and testing various skills. - Proficiency in game development tools and software. - Ability to integrate audio files and content from a hardcopy into a digital game format. - Strong understanding of coding, problem-solving, and decision-making principles to create engaging and effective challenges for a game. - Excellent communication skills to understand...

    €648 (Avg Bid)
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    Spring Boot Developer Needed 6 dage left
    VERIFICERET

    I'm in need of a Spring Boot developer with experience in implementing payment module including wallet in order to add it to existing application Key Requirements: - implementing payment module including payment and invoices services (for now we can use mock and it should be prepared to integrate it with third party later) - implementing wallet with the following feature: - as user consume, and view history of wallet balance. - as user I can use gift cards to charge my wallet - as admin I can add refund to the user - as as system I can hold some amount of user balance until his service done in order to consume it. Key notes: - the developer should apply the best practices and clean code (from architecture perspective, security perspective ... etc) - I need to apply on ...

    €177 (Avg Bid)
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    I need one New Junior level Android developer from Pakistan or India I need work at low budget I need work for long term

    €7 / hr (Avg Bid)
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    19 bud
    Spotify Meta Data AI Integration 6 dage left
    VERIFICERET

    I'm seeking a script that can interact with Spotify's API and integrate with AI to generate meta titles and meta descriptions automatically. Key Requirements: - Interaction with Spotify API: You will need to have experience working with Spotify's API and be able to establish a connection with it. You should be able to access and retrieve data from Spotify's servers. - AI Integration: The script should have the ability to interact with an AI system in order to generate meta titles and descriptions for songs. This might involve using a pre-trained model or establishing a connection with an existing AI service that can provide this functionality. - Automation: The script should be able to generate these meta titles and descriptions automatically, without the need for manu...

    €250 (Avg Bid)
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    App Development for Google Policy 6 dage left
    VERIFICERET

    I'm in need of an app developer who can assist me in ensuring that my application is compliant with Google's policies. Key Tasks: - Write code for Google policy compliance - Build the app from scratch - Optimize existing code for Google policy I need someone who is well-versed in Google policies and can ensure that my app is fully compliant. Experience with app development, particularly for Android, is preferred.

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    I'm in need of an application that allows users to preview menu options, reserve slots via a calendar-based system, chat with others, and make secure payments. The key features I need include: - **Cross-Platform Support:** The application must be compatible with both mobile phones and desktop computers. - **Design Preferences:** I'd like the app to have a modern and minimalist design. - **Calendar-Based Reservations:** Users should be able to book slots through a calendar interface. - **Chat Functionality:** The app should have a chat feature that can align with user preferences. - **Payment Gateways:** It's crucial that the app integrates with PayPal, Stripe, and Square for secure and diverse payment options. The ideal candidate for this job should have experience in deve...

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    I'm looking for an experienced android programmer skilled in building functionality for tracking application installation and uninstallation. The main purpose of the app is to notify me when there's an application installation or uninstallation. Moreover, I need it to be integrated with API for its functioning. Skills in Java, ionic, laravel, Kotlin and familiarity with Android SDK would be ideal for this job.

    €77 (Avg Bid)
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    Hi, I have application running on JRE. it worked on some computer and some need setting and configuration on windows. Attach the error. welcome any expert help.

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    Android App Testers 6 dage left
    VERIFICERET

    Need a dedicated individual to assist with testing Android apps. This is a long-term opportunity, ideal for those who are new to app testing and looking for continuous work. The task itself is simple and will only require a few minutes of time each day, but requires continuous commitment.

    €5 / hr (Avg Bid)
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    Job Description: We are seeking a highly skilled GIS Developer/Architect with extensive experience in ESRI ArcGIS, GIS data visualization tools, and Azure deployment solutions such as Google Maps and Azure Maps. The ideal candidate will have a strong background in designing, developing, and deploying GIS applications and solutions in a cloud environment. Key Responsibilities: Design and develop GIS applications using ESRI ArcGIS and other GIS data visualization tools. Architect and implement scalable GIS solutions on Azure, leveraging services like Azure Maps and Google Maps. Collaborate with cross-functional teams to gather requirements and translate them into GIS solutions. Understanding and ability to demonstrate use of various data types, such as LRS, Raster, Vector, Topological, Attri...

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    I'm looking for an experienced Android developer to assist in implementing a new Aviator-style lottery game within my existing app. The primary goal of this game is to incorporate gambling elements into the app, creating an exciting and engaging experience for users. Key Responsibilities: - Implementing an Aviator-style lottery game within the Android app - Incorporating gambling elements to enhance user experience - Ensuring the game is seamless and bug-free - Suggesting design and feature improvements to enhance user engagement Ideal Skills and Experience: - Prior experience in developing gambling or lottery-style games for Android - Proficiency in Android app development, particularly with games - Strong understanding of UI/UX principles and best practices - Ability to work colla...

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    I'm looking for an experienced coder to customize my Pine Script editor, primarily for Trading View. Key Points: - I need an expert who can enhance the functionality of the editor through custom syntax highlighting, and code snippets. - This editor must help me write Pine script code more efficiently, allowing me to code smoothly and with more accuracy. Ideal Skills and Experience: - Proficient in Pine Script language, and ideally with experience in developing for Trading View. - Strong experience with code editor customization, including implementing custom syntax highlighting and code snippets. - Ability to understand stock and trading terms is a plus, but not mandatory. What I'm NOT looking for: - This project is not about building a new Pine Script editor from scratch. I...

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    I need only Pakistani or Indian Flask junior developer for some easy Tasks I need work at low budget I need work for long term

    €5 / hr (Avg Bid)
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    17 bud

    I'm in need of an expert who can create an Android application rooted in simplicity, yet packed with functionality. The main purposes of the app will include: - Data entry and storage - Performing necessary calculations and data analysis - Visualizing the data in an easily digestible format Although I skipped the question about information freelancers should include, I would appreciate some evidence of competence and experience with Android application development, especially in data management, analysis, and visualization. Don't forget to keep in mind that the envisioned user interface is simple and minimalist. Less is more in this project! I value intuitive design that doesn't compromise on functionality. Ideal Skills: - Expertise in Android development - Proficiency ...

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    I am seeking a skilled online Java tutor based in Jaipur who can cover specific concepts including Object-oriented programming (OOP) and Data Structures. - Sessions Duration: Each tutoring session should last for 1 hour. - Communication: Our method of communication will be via video call. The ideal candidate should have comprehensive knowledge of Java, JSP, Servlet,Spring boot,Hibernate with particular emphasis on OOP and data structures, and should also possess great patience and pedagogical skills. Please apply if you have relevant experience in tutoring Java and are comfortable with the specified topics and communication method.

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    I have a single-file Java script that is primarily used for data processing. I'm experiencing a syntax error and need an expert to quickly identify and solve it. Key requirements: - Expertise in Java with a deep understanding of syntax and common errors - Experience in data processing with Java - Ability to quickly identify and fix issues in a single-file script Please note that this is a small project that's focused on resolving a specific issue.

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    I'm in need of an experienced Android app developer that can assist me in creating bike and taxi applications similar to the popular services Uber and Ola. The apps should have the following features, - Real-time tracking: The app should allow users to track their ride in real time, ensuring they always know their current location and expected travel time. - Payment integration: The app should provide a seamless payment experience that allows users to pay for their ride within the app using a variety of methods. - User ratings: The apps should allow passengers to rate their drivers and vice versa, providing a feedback mechanism for improving the quality of service. The ideal candidate for this job should have experience in developing Android apps, especially those related to transp...

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    Android App Customization 5 dage left
    VERIFICERET

    I'm looking for an Android developer to customize an open-source application. The modifications will include: - Renaming the app - Changing the app icon - Adjusting the app's color scheme - Creating a splash screen Here is the App open-source github The app currently comprises two screens. No additional features are required, just the modifications listed above.

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    Develop feature in the SuperLeve system called the 'Alibaba Connector'. This connector aims to further simplify the import process and ad creation for our users by automatically importing all necessary information directly from Alibaba and optimizing it for local marketplaces. Project:

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    Simple pill reminder apk -- 2 5 dage left
    VERIFICERET

    I need a personal app to remind me of the pills I take.

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    I want a cheap and good 'smspva' service

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    I want an cheap and fast Canada proxy service.

    €19 (Avg Bid)
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    Java Web Developer Needed 5 dage left
    VERIFICERET

    You will be evaluated by the following criteria which is part of our requirements for production quality code: - Code Readability: How readable is your code - Code Structure: How well did you structure your code - Code Extensibility: Is it easy for developers to extend your code, maintain it and add new features - Solution Accuracy: Your solution should be accurate, not too many false positives and false negatives - Solution Efficiency: Performance and efficiency of your solution NOTE: PLEASE DO NOT MODIFY THE PROVIDED INTERFACES OR TEST(S) (e.g. ). If you do, the system will reject your submission. FEEL FREE TO WRITE YOUR OWN TESTS. ## The Match Game You receive movie data feeds from many different providers, ex: Google Play, VUDU, Amazon Instant. These include information about the a...

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    I'm seeking a skilled developer with a knack for Java, Python, and C++. The task at hand involves creating a software compatible with Windows, Mac, and Linux. Key Features: - User Authentication: Secure identification and access control is crucial. - Data Encryption: Sensitive user data needs to be safely encrypted. - API Integration: Smooth inter-service communication will be ensured through precise API integration. A strong understanding of cross-platform software development and experience in security management is ideal for this role. I look forward to seeing how this project can evolve with your expertise.

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    The project will reuse the models of the previous papers, specially QCNN and QRNN to have a model that detects the code comprehension faults, after detecting we should implement the other half of the model which will be maintenance to correct the faults of the source and give the correct solution , first will focus on the code comprehension and then after we finish we’ll implement the maintenance section. The algorithm of quantum is simulated to how actual quantum machines code, so we’ll be sure to have the Architecture design of the hardware that simulate the quantum machines, then we’ll run the models and implement the data. The concept of the project is to try the models on the data of that paper to insure that we implement the model correctly, then we will try the mo...

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    We are seeking a skilled PHP developer to assist with integrating a live PHP application, currently hosted on an AWS EC2 instance, into GitHub and setting up a robust deployment pipeline. The candidate should have expertise in PHP environments, AWS services, and strong experience with version control and CI/CD systems. Responsibilities: Assess and prepare the existing PHP application for integration into a GitHub repository. Set up and configure the GitHub repository to ensure proper version control and code organization. Develop and maintain a continuous integration and deployment (CI/CD) pipeline, particularly for a PHP environment on AWS EC2. Provide detailed documentation for the repository setup, deployment procedures, and maintenance. Advise on best practices for PHP development, A...

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    I have a specific task for you if you're a skilled developer, and the perfect candidate would be someone with a strong understanding of JavaScript. The project involves developing a program that will automatically log into a specific web page, navigate through its calendar, and book available time slots within a given timeframe. Here's a breakdown of the key requirements: - **Web Page**: The program should automatically log in to the U.S. Visa Information and Appointment Services website using the provided username and password. - **Functionality**: Once logged in, the program needs to interact with the calendar on the web page. It should be able to detect and book available time slots as they randomly appear. - **Timeframe**: The program should be capable of booking time ...

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    I need someone to modify a version of LDPlayer, NoxPlayer, or BlueStacks that can bypass detection by financial apps, such as Techcombank Mobile, VCB Digibank, or ACE one, so that they can be installed and used on the Android emulator

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    I am currently seeking an experienced chatbot developer who can create an intuitive and effective legal chatbot for my website. The ideal candidate for this project should have: - Previous experience developing and implementing chatbots, preferably in the legal sector - Proficiency with LLM (legal language model) - Exceptional problem-solving skills and high attention to detail Key Chatbot Functionalities: - Ability to summarize legal judgements using rhetorical labels - Respond accurately and promptly to legal queries made by website visitors The goal here is to create an accessible tool for the website visitors to engage with, aiding them in easily understanding the legal judgements. The right developer for this job will be someone who values quality, efficiency, and accuracy.

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    I'm looking for a proficient Python programmer who can develop a comprehensive web application for me. Key Functionalities: - User Authentication: The web application should have a robust authentication system to secure data. - Data processing: The app should gauge several databases, including employee and customer databases. It should also compute salaries and time calculations. Ideal Experience and Skills: - Proficiency in Python programming. - Proven experience in web application development, particularly with User Authentication and processing data from multiple databases. - Strong understanding of data analysis and database management. - Preference will be given to those who can showcase related projects they have done previously. This project demands a mix of strong progr...

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    Necesito una aplicación para android con la que pueda crear un widget de llamada directa pero necesito crear varios widget a la vez. Ahora puedo crear un widget de llamada directa, pero uno a uno y necesito crear varios widgets (decenas) de llamada directa, a la vez. La aplicación tiene que tener la posibilidad de crear tantos widgets de llamada directa como necesite, de una sola vez. ####################################### I need an android app with which I can create a direct call widget but I need to create multiple widgets at once. Now I can create a direct call widget, but one by one and I need to create multiple (dozens) of direct call widgets at once. The app has to have the ability to create as many direct call widgets as needed, at once.

    €99 (Avg Bid)
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    8 indlæg

    I'm in need of an experienced developer to create a mobile application (both for IOS and Android) that will interact with an AWS API Gateway to create a chatbot. This chatbot will be focused on natural language processing. Key Points: - The chatbot I need will mainly serve as a natural language processing system, so a background in this area is necessary. - The end product should be a mobile app that can both input and receive text. - The chatbot will be integrated with existing systems or platforms. The ideal freelancer for this project should be skilled in mobile application development, specifically for IOS and Android, as well as have a good understanding of AWS API Gateway. Experience in designing and implementing chatbots with natural language processing capabilities is also ...

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    SIP Trunk Server Development 5 dage left
    VERIFICERET

    I need a skilled developer to create a robust SIP Trunk Server, with a focus on call routing. The project should be completed ASAP. Key Requirements: - Implement a SIP Trunk Server with advanced call routing capabilities. - Delivering a reliable, high-quality solution that ensures smooth routing of calls. Ideal Freelancer: - Previous experience in building SIP Trunk Servers. - Proficiency in VoIP and telecommunication systems. - Ability to work efficiently and deliver in a timely manner. Please include your past work with SIP Trunk Servers in your application.

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    I need only Pakistani or Indian Flask junior developer for some easy Tasks I need work at low budget I need work for long term

    €8 / hr (Avg Bid)
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    14 bud

    I need a professional who can assist with uploading my productivity app to my Play Store account. The app is focused on task management and aimed at Android devices only. The ideal freelancer for this project should have: - Prior experience in uploading productivity apps to the Play Store - Strong understanding of Android app guidelines and store requirements - Ability to ensure the app is successfully published and easily accessible for users

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    $20 -- FAST JOB -- FCM Messages!! 5 dage left
    VERIFICERET

    I have an old java android app I'm trying to finish. I need to be able to activate a button with a curl command from my PC. Common tools for that: - Firebase Cloud Messages (FCM) - Pushy (I have this in my app now, not working) - Amazon SNS - Pushwoosh - OneSignal - AirShip ANY OF THESE ARE OK TO USE, I JUST NEED TO BE ABLE TO RECEIVE THE MESSAGE IN MY APP. FCM latest version isn't compatible. My app uses old SDKs so I can only use FCM v21 etc IF YOU GET A MESSAGE TO WORK IN MY APP, $20 IS YOURS and 5/5 stars for you!!

    €21 (Avg Bid)
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