Java bug trabalhos

I need a skilled Java developer specializing in back-end development who can use MySQL as their database technology. The main task for the developer is to work on API development, ensuring the smooth transaction of data between the server and our end users. Ideal Skills and Experience: - Proficient in Java and backend development - Extensive experience with MySQL database technologies - Experience in API development and management

I want to build an app something like calculator and print option. I have attached a video and i need same feture. * I can give 5000INR to build this app. * Bluetooth print is not Hard, i have a readymade sdk for that, it may take 2-3 hours for a good Android developer, i can pay INR1000 FOR Printing Total Budget can not be morethen 5k to 7k INR

I will be choosing someone one hour from now. Answer me this questions: Are you available immediately? What is your experience with react native? What AI tools do you use to make your devleopment faster? Are you comfortable working hourly?

As the driving force behind my project, your skills in backend development, specifically with Sprinboot and Java, will be invaluable. Tasks: - You'll be focused primarily on API development and integration, specifically for REST APIs. Requirements: - Emphasis should be placed on security and authentication. It is imperative our product ensures user data protection. Ideal Skills: - Proven experience in backend development. - Extensive understanding of Springboot and Java. - Proficiency in API development, particularly REST APIs. - Strong knowledge of security protocols and authentication. Let's create a secure, efficient backend together.

I'm currently working on a programming project and I'm in need of a skilled programmer to provide me with some much-needed assistance. U...much-needed assistance. Unfortunately, I didn't specify the programming language, tasks needed, or the overall goal of the project when posting this job. I'm looking for a programmer who can help guide me through my project, provide some coding assistance, and help me understand and implement the solutions. Key Skills: - Strong programming skills in various languages (preferred Python, JavaScript, Java) - Ability to troubleshoot and debug code - Good communication to explain complex programming concepts in simple terms. If you're a patient, experienced programmer who can help me see this project through, please reac...

I'm in urgent need of a mid-level Android developer to assist me with bug fixing. The need is immediate and I expect the issue to be resolved within 2 hours. The project is a small, contained bug fixing task that should not take much time for an experienced individual. Ideal Skills: - Strong knowledge of Android development - Proficient in bug fixing - Ability to work under tight deadlines - Good communication and problem-solving skills - Experience in working on urgent projects Please ensure you have the necessary skills and can commit to working on this project before bidding.

I'm in need of a skilled Java developer with expertise in Nifi. The primary task is to update so that it will work with Nifi 2.x Key Requirements: - Proficient in Java and experienced in application development. - Extensive skills in Nifi configuration. - Deep understanding of data source integration. - Prior experience in real-time data streaming. The specific bespoke Nifi producer will need to be capable of integrating with various data sources and handling real-time data streaming effectively. This is a key part of the application's functionality and needs to be executed with precision. Experience in similar projects or technologies will be an advantage.

I am looking for experienced assistance with my site in maintaining, developing and marketing my WordPress website. WordPress Maintenance ( monthly retainer) : I need ongoing, monthly WordPress maintenance to ensure that my site continues to function smoothly. This includes: - Troubleshooting and bug fixes - Plugin updates and compatibility checks - Security monitoring and backups Marketing Strategies (paid hourly) : In addition, I am interested in implementing a comprehensive marketing strategy that includes: - Content Marketing and SEO: Craft engaging content for my site that is also SEO-optimized. - Social Media Marketing: Harness the power of social platforms to reach a wider audience. - Email Campaigns: Cultivate trust and maintain connection with my audience through

I'm in need of a professional for initial basic whitelabeling on Axelor ERP system before we dive furthur into it with intense whitelabeling. This first task project will mainly require two modifications: - Rebrand the login page, including the Axelor logo and description underneath it. (check attached images) - Adjust the 'axelor'...whitelabeling. This first task project will mainly require two modifications: - Rebrand the login page, including the Axelor logo and description underneath it. (check attached images) - Adjust the 'axelor' word in the postgreSQL db whereever it exists as a data to another word of my choosing. The ideal candidate for this task must have a strong familiarity with postgreSQL. Also an understanding for JSand Java can be essentia...

READ FIRST: ONLY HOURLY CONTRACTS, no fixed rate because I have multiple bug fixes on trello and I need someone to start immedaitely. We have demo tomorrow. I want someone to work the next 8-10 hours on time tracker (no manual hours). Important, I need someone immediately

I'm seeking an experienced Java developer, ideally with exposure to the trading industry. Though I couldn't specify the type of trading experience, any kind would certainly be a plus. Despite not providing detailed project objectives, I'm confident such expert will inherently understand typical tasks in this field. This could include creating automated trading strategies, building a platform, integrating APIs, and so forth. Here are the primary aspects I'm looking for: - Strong Java programming skills - Previous experience in a trading domain - While technology stack specifics aren't set, proficiency in commonly used techs like Python and Node.js would be beneficial. If you believe you suit this role, I'd be excited to view your bid and past ...

I am seeking a proficient Java developer to handle back-end tasks for an innovative iOS application. Key responsibilities include: - Implementing server-side logic - Defining and maintaining the database for ensuring performance and responsiveness - Collaborating closely with the front-end developers You would be the perfect fit if you have: - Strong experience with Java and server-side scripting - Firm knowledge of data storage solutions - Prior experience with iOS application development - Good understanding of front-end technologies is a plus. Let's join hands to bring this iOS application to life! يشترط تحدث اللغه العربيه

...familiar and experienced with CSS and different themes. The issue I am experiencing involves missing images, specifically on some of my parent pages. Here are more specifics: - The missing images in question belong to certain parent pages, not all. - Upon reviewing the issue, it seems not to extend to product images, homepage banner images, or blog post images. Ideally, you possess the skill of bug detection, proven experience in theme debugging and can take initiative in case similar problems occur. Familiarity with common reasons for missing images in themes is a plus. Please note, accurate identification, and solution of the problem without affecting other theme functions is crucial in this project as I aim to maintain the current state of the other correctly displaying...

I am having a problem with my PHP script that has led to an undefined variable error. Specifically, this error is showing up in the section that handles database activities, particularly during data insertion process. I will provide a video to illustrate the exact issue. Here's what I am seeking: - An expert in PHP scripting that can resolve this undefined variable error - Someone with solid experience handling database operations (especially with data insertion) - Ideally, you will have a background in debugging PHP scripts and database handling Your task will be to identify and correct the errors in my script to ensure smooth and error-free database operations. This should involve an in-depth understanding of the code, pinpointing the undefined variable and making the necessary ad...

...a skilled developer to enhance the performance and stability of my application. Key Tasks: - Share Crash Report: I will share the crash log in a text file so you know what caused the app to crash. - **Performance Improvements**: The app currently faces issues which affect its loading times. I am looking for a professional who can optimize the app to make it more responsive and efficient. - **Bug Fixes**: The app is experiencing some bugs that are affecting user experience. I need these issues to be identified and resolved promptly. The ideal candidate for this project should have: - Strong experience with SwiftUI and iOS app development - Proficiency in debugging and resolving performance issues - Proven track record of successfully fixing bugs in iOS apps - Good communicati...

I am in need of an experienced Flutter App developer with PHP Yii1 skills to troubleshoot and fix issues plaguing my three existing applications - all within the same project. The identified issues include: - Regular app crashes which occur at launch, during specific actions and randomly. - Slowed performance hindering optimal user experience. - Several UI/UX issues that need improvement. Unfortunately, I cannot pinpoint the specific actions causing the applications to crash, but I'm hoping your expertise can identify the reason(s). The ideal candidate for this project should have: - Extensive experience in Flutter app development and PHP Yii1. - Reliable problem-solving and debugging skills. - A keen eye for UI/UX design and improvement. - Experience in app launch and store submis...

I'm having trouble with the Apple Pay token not returning correctly within my Ionic application on iOS. It seems to be a recurring issue and I need an experienced developer to come in and fix the problem. This is my code googleApplePay() { var totale = (); ["ApplePayGooglePay"].canMakePayments((r) => { var request: any; if(('android')) { request = { merchantId: , purpose: "Pagamento per l'ordine di ForToGo #" + , amount: totale, countryCode: "IT", currencyCode: "EUR", gateway: "stripe", gpMerchantName: "ForToGo", gpMerchantId: "BCR2DN4TYSRJ332I" }; } else if(('ios'...

...to help enhance the visual design of my HTML and Java-based application. The main focus of this project is to improve the typography and layout of the user interface. Key Responsibilities: - Enhancing Typography: Refining text styles, sizes, and spacing to create a more visually appealing interface. - Layout Improvements: Adjusting the arrangement of elements on the page for better usability and aesthetics. Ideal Skills & Experience: - Proficient in HTML and Java - Strong background in user interface design and development - Experience with typography and layout design - Prior work demonstrating successful UI improvements This project offers a great opportunity for someone with a keen eye for design and a solid understanding of HTML and Java. If you believe ...

I am looking for a programmer to develop a software application. The application should have a user-friendly interface, be highly functional, and should be designed keeping scalability in mind. Key Requirements: - Proficiency in one or more of the following languages: Python, Java, C++ - Experience in software development - Ability to create a user-friendly interface - Knowledge of best coding practices and ability to ensure high performance and scalability. If you are comfortable working with the above requirements, please bid for the project.

Web Developer Needed for Divi on Wordpress (Java, CSS, etc.) Project Overview: - I am seeking a skilled web developer to create a website using Divi on Wordpress. - The website will require various features and functionalities, including: - E-commerce capabilities to enable online sales. - A membership/login system for user authentication and access control. - Custom forms and data collection to gather specific information from users. - The design and layout of the website: - I have a specific design in mind/I have a general idea/I need help with the design. - The estimated budget for this project is more than $1000. Ideal Skills and Experience: - Proficiency in Java, CSS, and other relevant technologies. - Extensive experience in web development using Divi on Wordp...

As a driven individual, I'm seeking an experienced software developer who can build a sophisticated algo trading software. Key Requirements: - Proficiency in Python and Java. Your proven experience in these languages will be crucial to the development of this software. - Openness to both web based and desktop applications. As I am still in the deciding phase, we can discuss which approach best suits my needs during the proposal phase. - The software must include automated trading strategy execution and risk management tools. Your understanding and experience in these aspects will be paramount. Looking forward to a successful collaboration.

Ho la necessità di integrare lo scambio importo tra alcuni gestionali e i POS tramite lo scambio importo. Servirebbe sviluppare un modulo in java per dare continuità ai progetti in essere. Il protocollo di comunicazione deve essere il protocollo 17 o il 39. I gestionali sono installati su pc windows e i pos sono collegati su rete lan. Chiederei di essere contattato solo da persone che lo hanno già fatto.

I need a Calculator base billing app with Bluetooth print Fesility. On native Android like java or kotlin. Only single page app. See video and tell me the pricing, Ignore other features

I'm looking for a skilled developer to help fix a critical bug on our custom PHP/Laravel recruitment site and develop a mobile app for iPhone, iPad, and Android. Key deliverables include: - Fixing the search functionality on our recruitment site, ensuring it works properly. - Develop a mobile app for iPhone, iPad, and Android. The ideal freelancer for this project should have: - Proficiency in PHP/Laravel. - Experience with mobile app development, specifically using React Native for iPhone, iPad, and Android. - Knowledge of creating secure and efficient search functionalities. - A good understanding of the recruitment industry and its needs. Your ability to communicate effectively, adhere to tight deadlines, and provide regular updates will be highly valued. Please provide ...

I'm seeking a distinguished programmer fluent in Java and C. Experience in both languages is essential, as the project will involve intricate tasks that require thorough understanding of the languages. I appreciate precision, good communication, and dedication. Although there's no specific deadline, I put great value on progress and regular updates. Please include examples of your previous programming work in the bid. Skills/Experience: - Proficiency in Java and C - Strong problem solving abilities - Excellent communication - Attention to detail

...buy orders based on certain criteria (fdv, volume, transactions etc) and sends order from solana wallet please tell me in general how you would go about this so i know you are suitable for the task? I'm seeking a proficient coder, experienced with Python or Java, to create a system that integrates with Solscan API to provide real-time updates and send Telegram message and second part of project a buy order ideally based on certain criteria. ideally stage 1 completed in two weeks. Key Requirements: - Proficiency in Python or Java programming - Prior experience with API integration, notably Solscan - Ability to deliver the project in two weeks The selected freelancer will demonstrate a solid understanding of creating real-time updates using APIs. Knowledge and ...

I'm looking for an experienced Full Stack Developer for Android and iOS apps with all its requermets(front and back). The goal is to develop an app similar to [this one] - - is to develop an app similar to [this one] - - just with different ui ***prefered use flutter on the app Additionally, the ideal candidate should be capable of meeting deadlines and delivering a fully functional and bug-free application. Upon application, please provide your estimated project duration.

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Do you have 8plus years of experience with java and springboot I'm seeking expert assistance to code an API for my existing business operations. Amidst the myriad of functionalities, the paramount one is to provide stringent and robust user management services, incorporating elements like user authentication, access control, and profile management. Key responsibilities will include: - Development of the entire API using Java and Springboot. - Establish secure user authentication processes. - Implement precise access control mechanisms. - Create and manage user profiles, ensuring systematic profile handling. Ideal Candidate: - Strong experience with Java/Springboot for API development. - Proficient in implementing user management fun...

The course link on is: /ou/course/java-se-17-programming-complete/106874

I am in need of a proficient individual Java developer who has a solid understanding and experience with Java Netty framework. The primary goal of this project is real-time data processing and the candidate should have extensive experience in dealing with high volume TCP connections and socket management. Key Responsibilities: - The primary task will be real-time data processing. - Handling high volume of TCP connections efficiently. - Proficient socket management. - Ensuring the stability and reliability of the system under high data volume processing. Ideal Skills and Experience: - Expert level of experience with Java Netty framework. - Proven track record in handling high volume TCP connections. - Previous experience in real-time data processing systems. - Strong ...

I have a simple one page website at that has three bugs: 1) The footer's color is no... that has three bugs: 1) The footer's color is not working. The CSS attempts to set the footer color, but it shows up as white all the time. Could be a html tag issue or a css issue. 2) The Dark Mode / Light Mode selector in the footer mostly works, but the CSS based animation of the toggle switch no longer works. This stopped working the same time bug number one appeared, so they are probably the same bug. 3) Clicking the Dark Mode / Light Mode selector does not always update the cat gif image. Sometimes it works, sometimes it doesn't work. Probably a JS issue. I would like to get these three bugs fixed now. Please only bid if you can fix these right now.

I'm seeking a proficient developer to build a comprehensive demo or starter code integrating Snowflake and Kafka using AWS cloud. The ideal candidate should have deep understanding of concepts such as: - Data ingestion - Data transformation - Data storage and retrieval The code should ensure: - Optimal performance - Scalability - Security The code can be written in Python or Java. In-depth knowledge of these languages, as well as experience with Snowflake and Kafka integration, is a necessity for a successful bid on this project.

...customer table accessible via both web and mobile applications, and developing and integrating APIs. We also need to enable the functionality to preview and download existing quotes via the web and mobile applications. Additionally, assisting the client in installing the latest version on their local host to facilitate their participation in the testing process. Project 2: Software Enhancement and Bug Resolution Our second project is a comprehensive web-based software developed using HTML, Bootstrap, PHP, Laravel, and MySQL. We are not aiming to completely redesign the system but to improve upon the initial version, which encountered several bugs post-launch. We have initiated the development of a new version, currently 40% complete, that restructures and refines the existing ta...

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...team on a monthly salary basis. You'll be responsible for a range of tasks. Your responsibilities will include: - Front-end development: You'll need to be proficient in React JS, with the ability to create attractive, responsive user interfaces. - Back-end development: Strong Laravel skills are essential. You'll be responsible for building and maintaining the core functionality of our platform. - Bug fixing: You should have a keen eye for detail and be able to identify and resolve bugs in both the front-end and back-end. - Experience with mySQL is a must. In your application, please include your relevant experience in React JS and Laravel. I'm looking for someone with a proven track record in both technologies. Communication is key, so we'll be using ...

I want to create a quiz that can be embedded into a website page builder using their embed feature. The quiz should be manageable from my dashboard, the script will be on i...don't look out of place, similar font style, sizing, font size, etc * Use embed code to copy and past into my page builder * Create a plugin to help me customize the quiz, like images, text & size, etc. Desired Programming Language: PHP / SQL * I'm looking for the best deal possible, please be very competitive. * Milestone release upon completion of the project & is bug-free. * Need Source Code when Job is Complete, After any Bug fixes, and Updates ⭐⭐⭐⭐⭐ Please post "I've read everything" when applying to be considered, too many bots applying. Failure to do this step, y...

...seeking an additional person to assist during AU business hours from 9am - 2pm AEST. Key Responsibilities: - Resolving website crashes: Websites occasionally crash and need immediate fixes to ensure smooth operation. - Performance optimisation: - Security updates: Ideal Skills/Experience: - Proficiency in Magento: A deep understanding of Magento platform and its various versions is crucial. - Bug Fixing: Proven track record in resolving bugs and troubleshooting related issues efficiently. - Performance Optimization: Experience in enhancing performance and addressing slow page load times. - Security: Strong knowledge of website security protocols and experience in implementing necessary updates. - Proactive: Ability to anticipate and address potential issues before they impact...

* iOS & Android (phone + tablet) * Web Admin Dashboard (Used to create learning app) * Web Customer Dashboard to access flash cards from web browser * Mobile Responsive * This will be a learning app * Flash card, It will have Images + Audio + Text to learn new words (thousands of t...Images + Audio + Text to learn new words (thousands of total words) * Flashcard will have 2-3 art styles (Realistic, Cartoon Art, 3d Art) * Flashcard will have 2 voice over, male & female * Ability to handle stripe processing for each flashcard set. If you have experience + past work in this area, it's a plus * I'm open for new ideas from you when applying * $ released on successful test and is bug free * I will need source code upon payment * Please type "I've read every...

I am in need of an expert in Android application development for a commercial grocery shop app. The freelancer should have substantial background in Android app development. The app needs to be user-friendly and engaging. Key Requirements: - Ability to develop an Android app from scratch - Proficient in Java or Kotlin - Familiarity with Android SDK and Android Studio Please detail your experience with Android development in your bid, it would heavily influence my decision. Looking forward to having an experienced professional developer on board!

We are seeking a skilled and experienced java developer to create a custom JMeter backend listener that can send real-time test results directly to a PostgreSQL database. This project aims to enhance our testing capabilities by enabling seamless integration of JMeter results into our PostgreSQL environment, similar to existing solutions for MySQL like the one found at "" Requirements: Proven experience with Java programming and JMeter test development. Strong knowledge of PostgreSQL and experience in integrating it with Java applications. Familiarity with the JMeter API and backend listener framework

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I require an expert proficient in Python, SQL, and Java to work on a Codility assessment. The assessment will be conducted at an intermediate level and will be inclusive of various tasks that I will be solving in the language of the question. Key Requirements: - Comprehensive Knowledge in Python, SQL, and Java - Proficiency in tackling Codility assessments - Understanding of the assessment's specific concepts and frameworks Remember to adhere to Codility's test format and code-writing guidelines. Your completion and success of this project will greatly depend on your ability to grasp and execute these particularities.

Looking for a talented Java developer to build a to-do list application with a focus on Object-Oriented Programming (OOP). The application will be simple yet effective, featuring offline usage capability which is crucial for productivity in various environments. Key Requirements: • Application Compatibility: The app must be compatible with Windows, Mac and Android platforms. • Offline Functionality: The app should allow users to continue using without a constant internet connection. Skills and Experience: • Proficient in Java OOP. • Extensive experience developing applications for different platforms. • Good understanding of implementing offline capabilities in applications. Application Guidelines: • Freelancers are required to provide d...

I need assistance to solve three coding tasks using Python, Java, and SQL. The challenge involves - Analytical problem-solving - Implementing quality checks - Code compilation The challenges require proficient skills in the aforementioned languages, while also ensuring code efficiency. Prior experience in problem-solving and understanding how to efficiently check and maintain the quality of code is a big plus.

...Also a separate user account should be created to access this database. The user should have read/write access, I will again supply the username and password via command line. - The solution should include a set of servers to run both backend and frontend services. I want to be able to make a small change in the script to scale up or down the number of servers. This servers need to run AWS Linux, Java 21, node js 12, and datadog agent. We will start with 1 EC2 instance but as I said I want to be able to change that value and scale up (or down as needed). - The EC2 instances need to upload a config file for Datadog agent, part of this we need to supply the datadog api_key, which will be supplied in the command line via variables. The script needs to update that key in the datado...

I need a coding whiz capable of handling a rigorous coding assessment on my behalf. Proficiency in Python, Java, JavaScript and NPL. I have my recorded answers already just need someone to help me make sure they are correct. The use of AI like chatgpt will not work for this. - Assignment Details: The assessment will include tasks revolving around Algorithmic Problems and Object-Oriented Programming Problems. - Ideal Candidate: A highly experienced developer with a proven track record handling similar tasks and delivering under tight deadlines. Please, only bid if you meet the above criteria and you're ready for an immediate start.

I'm looking for a versatile developer with extensive experience in WordPress plugin development and maintenance. The ideal freelancer for this project should have: - Proficiency in WordPress PHP, MySQL, JavaScript and CSS. - Experience developing and mataining WP plugins. - Exceptional problem-solving skills and the ability to work under minimal guidance. - Bug fixing and refactoring code as needed. - Comfort working with APIs and authentication (e.g., OAuth flows). - Ability to provide maintenance support post-plugin implementation. Good communication skills are a **must** for eventual clarifications and regular updates. Please provide examples of similar projects you've worked on. Thanks for your interest!

1. 3rd party logistics we already implemented and it's not working few functionalities need to check and fix. 2. Migrate few working module files from this test server to production server. 3. ONDC TSL implementation with the vendor. I am in need of a Php yii1 and MySQL expert to tackle some key tasks on my existing project. Immediate tasks include: - Bug fixing: We have some lingering issues that need to be resolved to optimize functionality. - Adding new features: We require new elements added to enrich the user experience, which is currently our area of greatest need. - Improving existing features: Amplify current features for better functionality and seamless user interaction. The successful freelancer should have significant hands-on experience with Php yii1 and MySQ...

...buscando un talentoso desarrollador de Flutter para crear un plugin que conecte con Java y permita la obtención de ubicación en segundo plano, incluso cuando la aplicación esté cerrada. Este plugin debe ser compatible con versiones de Android 14 y anteriores. Detalles del Proyecto: Tecnologías Requeridas: Flutter, Java (Android) Funcionalidad Necesaria: Obtención de ubicación en segundo plano con la aplicación cerrada. Compatibilidad: Android versión 14 y anteriores. Integración: El plugin debe enviar datos de ubicación a un endpoint de la empresa, el cual puede ser dinámico. Requisitos Adicionales: Experiencia demostrada en desarrollo de plugins para Flutter. Conocimiento sólido ...