Java developer backend jobs

I'm looking for a DevOps or Backend developer that knows Docker, Kubernetes, Prometheus, Terraform on GCP. What we have to achieve: Design a system that will select a single node as a “Goose” within a cluster of nodes. Every other node should be considered a “Duck”. ○ If the Goose dies, another Duck should become the new Goose. ○ If a dead Goose rejoins, it should become a Duck (assuming there is already another Goose) ○ There can be only one Goose, even if some working nodes are unreachable (network partition) ○ Each node should run an http server with an endpoint allowing us to check if that node is a Duck or a Goose.

JOB OFFER: FLUTTER DEVELOPER FOR URBAN MOBILITY APP BUDGET: $1000 - $1500 DURATION: 25 DAYS OFFER STATUS: NON-NEGOTIABLE LINK APP SIMILAR: THIS OFFER IS FINAL. IF YOU ARE WILLING TO WORK WITHIN THIS BUDGET AND TIMEFRAME YOU ARE WELCOME. IF YOU ATTEMPT TO NEGOTIATE OR CHANGE THE PRICE, YOU WILL BE BLOCKED, RISKING EXCLUSION FROM FUTURE PROJECTS OF MINE. Project Description: Development of a mobile application "Easy Moovie" for Android and iOS using Flutter. The app aims to enhance the urban mobility experience by providing an integrated platform that supports various modes of transport (trains, buses, metro, shuttles, trams). It will utilize advanced geolocation and user interface technologies to deliver innovative

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Developers Wanted: Thorough Examination of Example Website's Internal Structure and Registration System Essential! We're seeking skilled developers to undertake a detailed review of an example website's internal structure and registration system. It's crucial to adhere closely to these guidelines, as we're aiming for a system that operates flawlessly. An example website has been provided as a reference point and must be followed closely. Please note that the attached item contains extremely important instructions and specifications that must be followed meticulously. We're looking for a system that functions seamlessly, and this example website serves as our blueprint. Thank you for your attention to detail. We look forward to receiving your proposals.

I'm in need of a PHP Developer for a new project. The parameters and required skills are fairly open, as I've not declared any specific frameworks or preferences. Ideal candidates include those who possess: - Broad knowledge of PHP across various frameworks. Although Laravel, CodeIgniter, and WordPress were the options given, these indications were not selected, thus creating an open space for any skilled PHP professional to apply. - Experience in both website and web application development. There's an opportunity to work on several PHP development projects, potentially ranging from website building, application creation, to API integrations. - An impressive design eye. I've left the space open for any design style you're confident with - be it minimalisti...

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 pr...

I am in need of an expert Python developer with specific experience in Flask framework and Amazon DynamoDB. The primary task is to fix a database connection issue. We are finding it difficult to establish a stable connection with DynamoDB. • Required Skills: Python, Flask, Amazon DynamoDB, Monolithic architecture experience • Task: Diagnosing and troubleshooting connection issue between Python/Flask backend and DynamoDB. • Bonus: Working knowledge of monolithic architecture and associated best practices would be beneficial. Please submit your bids if you're confident in diagnosing and rectifying such connectivity issues. Your insight and expertise would be highly appreciated.

I am in need of a skilled backend developer with expertise in JavaScript and specifically Node.js. The project you'll be working on is focused on building an API. Key Requirements: - Proficiency in JavaScript and Node.js - Significant experience in building APIs - Strong problem-solving skills and ability to work independently It would be a bonus if you also have experience with: - - Any other relevant backend technologies Please note that you will be working solely on the backend part of the project, so an understanding of RESTful API design principles is vital. Your responsibility will be to handle requests from the frontend, process data, and send responses back to the client. If you're a backend developer with a knack for problem...

Project Description: We are seeking an experienced and React.js developer to join our web development project. The main goal is to integrate APIs into a pre-existing template and add specific functionalities for a multi-company business management system. The system must be capable of managing multiple companies under a single platform, allowing administrators to easily switch between companies. MAX BUDGET: $ 400 USD Responsibilities: API Integration: Connect the frontend template with our API. Implement the necessary endpoints for the required functionalities. Validate the data received from the API and manage errors efficiently. UI/UX Functionalities Implementation: Implement language and theme changes in the user interface; the template already includes this functionality bu...

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.

...Components: - The infrastructure should be deployed inside its own VPC in AWS - The infrastructure should deploy an RDS database, specifically MySQL, that is securely accessible from the backend and frontend servers, but not accessible from outside the VPC or internet. I can supply the size, config and the admin user/password should be supplied as variables -- I will specify them in the 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. Also, there are some files that need to be uploaded onto the hosts, some directory structure to be set up and...

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 in need of a full-time, remote Flutter developer possessing skills to craft an Android productivity app. The ideal freelancer is familiar with Flutter & Android App development, and can work comfortably with a salary scale of 10000 INR to 30000 INR. Key Responsibilities/Experience: * Include robust features such as Task management, Time tracking, and Calendar Integration in the productivity app. * Must have a minimum of 6-month to 2-year experience in app development. * Compliance to Ruskdesk coding criteria and process. * Able to work within a tight deadline of a month. This role is only open to individual developers capable of handling an entire project. If you meet the criteria, let's talk!

Skills -core php, laravel, Codeigniter my sql database Min 1 to 5 year experience location - Mohali,Punjab, India

I'm seeking a skilled software developer to create a visitor management system that offers a range of advanced features. Key Features: - Visitor check-in/check-out: The software needs to manage visitors as they enter and exit the premises, logging their check-in and check-out times. - Visitor registration: A system that allows the entry of visitor details for security purposes. - Visitor badge printing: A key feature that's crucial for the seamless identification of visitors. - Delivery: The software should incorporate a delivery management system, tracking and notifying visitors when a delivery arrives. - Employee Sign in and sign out: A function that tracks the presence of employees as they arrive at and leave the premises. Device Compatibility: The software should be ...

...skilled Python developer for a project that involves building a robust backend for an e-commerce platform. The primary goal of the platform is to facilitate a user-friendly, secure and efficient e-commerce experience for our customers. Key Requirements: - **Database Integration**: The backend should be integrated with MongoDB, ensuring a scalable, high-performance database system is in place. - **Development of E-commerce Platform**: The core focus of this project is to build a platform that supports a range of functions necessary for an e-commerce business; from product listings, cart management, to order processing. Your role is to implement these functionalities in a way that's user-friendly and efficient. Ideal Skills and Experience: - Proven experience...

I am in need of a highly skilled and experienced Python developer to join our team. This can be the full time remore job opportunity to work on EST. My ideal candidate must have over 8 years of experience in Python, with proficiency in web development, data analysis, and machine learning. Key Responsibilities: - Develop the website from scratch, ensuring it is user-friendly and responsive. - Implement and integrate user registration and login functionalities. - Create interactive data visualizations to help users understand and explore the data. - Incorporate real-time chat support for enhanced user engagement. The ideal candidate should have: - Over 8 years of experience in Python. - Proven expertise in web development, data analysis, and machine learning. - Strong understanding...

I am seeking a talented and experienced Mobile Application developer familiar with the Multi-platform App User Interface (MAUI) framework to create a data display mobile application. The specification of the application remains open, as I am unsure about the need for integration with external APIs or databases. Skills I am looking for: * Proficiency in MAUI development * Experience in creating apps for multiple platforms * Good understanding of API and database integrations * Ability to provide technical advice and recommendations Your main task will be establishing the foundation of the app considering future functionalities might be added. Your insights and expertise are key, as the specifics beyond data display and the potential requirement for external integrations are still ...

I'm looking for an expert who can integrate data from three platforms into my Laravel PHP ERP system. These platforms include Xero, and Sage accounting. Given these specific platforms, a freelancer with experience in working with them would be ideal. Addition...Reporting: Tailored reports based on the data received from the platforms. - Error handling and Data Validation: Ensuring data is validated with robust error handling procedures. Given that I skipped indicating the specific data, your proposal should outline a solution for an All-in-One integration, that is ready to extract and integrate any type of data. High proficiency in API integration, backend development, PHP, Laravel and understanding of accounting systems are ideal skills for this project. Two APIs required: ...

NEED URGENT CAN HIRE NOW As an individual wanting to provide a significant upgrade to my current web application, I'm currently in search of a proficient Laravel Developer. Your command over both frontend and backend development is crucial as this project primarily revolves around amplifying my existing website by introducing new features. Key Requirements: - Expertise in Laravel: Proven experience in Laravel is required to expertly navigate the task at hand. - Frontend & Backend Development: Your acumen in the said fields will be exercised extensively. - Novel Feature integration: The capacity to create and aggregate new features within an existing structure will be your major obligation. To successfully complete this project, you must be proficient in ...

I'm looking for someone who has very good experience in Laravel's real world situation. What Queue drivers are available in Laravel? Will ignore any replies without answering to the above my question. Here is my problem now. We are using Laravel project and it's running on production. It's using Queue heavily and queue driver is database now. We are getting following issue. SQLSTATE[HY000]: General error: 1205 Lock wait timeout exceeded; try restarting transaction (Connection: mysql, SQL: select * from `jobs` where `id` = 111111 limit 1 for update) Let me know how to fix this then I will hire you immediately and you can be employed in our project. Please don't waste my time if you don't know what's going on with the above message.

I am seeking a skilled Python developer with expertise in troubleshooting to resolve an issue with an application. The main purpose of the application is data analysis, web scraping and automation. Currently, the application has been crashing or freezing right at the startup. The ideal candidate for this job should have: - Extensive experience in Python programming - A background in data analysis, automation and web scraping domains - Proven track records troubleshooting application start-up crashes or freezing - Good problem-solving skills, ability to diagnose and fix bugs efficiently. Your main task will be to identify and fix the issue causing the application to crash during the startup. This is a critical project, so a timely resolution is vital.

Web Developer Needed I am looking for a skilled web developer to create an E-commerce website with custom functionality. Main goal of the website: - E-commerce platform to sell products online Requirements for successful freelancers: Need web developer who can develop my website similar to this () within my budget. Point to be noted It should be user friendly interface It should be easier for me to upload pic or edit pricing or comments Design to coding should be done perfectly. Last but not the least PRICING should be within my budget if someone needs higher amount then please don't apply. Thanks

Are you passionate about crafting exceptional ecommerce platforms using GO lang and React JS/Next JS? Project Description: We are in need of an expert developer to create a dynamic ecommerce platform focusing on digital goods and services. The project entails building three main sectors: Front-end Development: Implement user authentication, service listing, and seamless communication with the backend via API. Supplier Backend: Develop functionalities for suppliers to manage products, process orders, and handle cancellations efficiently. Admin Backend: Construct a robust admin panel to oversee order processing, site settings, and overall platform management. System Overview: Showcase popular services through a slider on the front end, adjust...

Codeigniter developer needed at reasonable price

I need assistance in troubleshooting Microsoft Forms. I seek expertise to address some issues such as: - Implementing change in policy - Including a feature for manager approval - Altern...issues such as: - Implementing change in policy - Including a feature for manager approval - Alternate locations for form storage These changes should seamlessly integrate with the previous setting without hampering the current operations. Not having a specific deadline leaves room for discussion around timeframes. Ideally, I am looking for someone with a deep understanding of Microsoft Form's backend, who has prior experience modifying existing structures. They should have a knack for problem-solving and a robust ability in implementing changes to digital tools without data loss or struct...

I'm looking for a skilled React Native developer to create an app that supports both iOS and Android. The primary function of this app will be using the AppsFlyer SDK for deferred deep linking. Key Project Requirements: - Platform Support: The app should be compatible with both iOS and Android platforms. - Functionality: The app's main purpose is to incorporate the AppsFlyer SDK for deferred deep linking. The ideal candidate should have: - Strong experience in React Native app development. - Proficiency in integrating third-party SDKs, particularly AppsFlyer. - Prior experience with deferred deep linking is highly preferred. It's crucial that the developer is able to efficiently and effectively incorporate the necessary elements of the AppsFlyer SDK for...

I'm in need of an experienced and skilled Drupal developer who can help me with debugging runtime errors in my website. The errors are occurring during website load, which is causing a significant disruption to user experience. Key responsibilities: - Identifying the root cause of the runtime errors - Implementing a comprehensive solution to resolve the issue Your expertise in the following areas will be crucial: - Proficiency in Drupal development and troubleshooting - Strong understanding of runtime errors and how they can impact website performance - Ability to work efficiently under time constraints - Strong communication skills to update me on the progress and solutions Your primary goal is to ensure the website loads without any runtime errors. This will involve a det...

I'm in need of a talented DevOps engineer, proficient in AWS and GitHub Actions, to assist with an array of DevOps tasks. Key Tasks: - Deploying web applications - Infrastructure automation - Continuous in...talented DevOps engineer, proficient in AWS and GitHub Actions, to assist with an array of DevOps tasks. Key Tasks: - Deploying web applications - Infrastructure automation - Continuous integration and deployment (CI/CD) The applications are built using Java, requiring deep expertise in this language for effective collaboration. To succeed in this job, a solid understanding of web applications, coupled with extensive experience using AWS and GitHub Actions, is critical. Automation skills are also vital. Join us and help make our Java web application deployment s...

I am seeking an experienced developer to create a typography plugin for Canva, the popular online graphic design platform. This plugin will dynamically generate attractive text styles tailored to user inputs, enhancing the visual impact of designs created on Canva. Key features of the plugin will include: Generation of text styles based on keywords and their associated weights provided by the user. Support for custom fonts and color schemes to ensure versatility and alignment with user preferences. Robust handling of various user inputs to ensure a smooth user experience. The development of this plugin should be done using React and TypeScript. Comprehensive documentation and test cases are also required to ensure maintainability and ease of use.

Looking for a reliable Android developer proficient in Java to design a new application with specific features that fulfill my needs. The ideal candidate would have extensive experience in: - Developing on the Android platform specifically for smartphones. - Implementing social media integration into apps, as this is a vital aspect to my project. - Adding advertising capabilities to apps. Experience with different ad formats and placement strategies would be beneficial. - Redesigning and improving upon User Interface (UI) to create an optimal user experience. In-depth knowledge of Java is crucial, as it's the preferred programming language for this project. Familiarity with in-app purchases and working in offline mode would be a bonus, although not a requirement...

Looking for react native/php developer to take a list of bugfixes. We need someone to start now and work on EST timezone

I'm in need of a skilled Java developer to build an Android app for me. Essentially, I have a code that I'd like to transform into a user-friendly, medium complexity application. It should allow me to input values straightforwardly, and upon entry, it would calculate and generate a result. Key Requirements: - Write clean, maintainable and efficient Java code - Develop intuitive, medium-complexity user interface - Implement the capability of retrieving inputs and performing given calculations - Ensure compatibility with Android platform - Pay attention to details and put user experience in front of everything Ideal Skills: - Solid experience with Android development using Java - Proven track record in creating user-friendly applications - Exceptiona...

I'm in need of a skilled Woocommerce developer to implement a custom-designed shopping cart and checkout process for my website. Key requirements: - The chosen freelancer will need to be well-versed in Woocommerce and have prior experience implementing shopping carts and checkout processes. - You'll be working with a fully custom design, so a strong eye for design and ability to translate this into a seamless user experience is necessary. - While specific payment integrations were not indicated in the initial questionnaire, prior experience with payment gateway integration in Woocommerce would be highly beneficial. If you're confident in your Woocommerce skills and have a knack for creating user-friendly, custom design experiences, I'm excited to hear from you...

...focus for this project is the Java code implementation. I'm looking to hire a freelancer who can create class diagram and help me translate a class diagram into well-crafted Java classes. Key Tasks: -Create diagrams - Translate a modified class diagram into Java classes - Ensure the Java classes are correctly implemented according to the diagram Your responsibilities will include: - Adding products to the rental cart - Calculating rental fees and duration - Processing payment - Generating a rental invoice Your expertise in Java and software design will be crucial for this project. I anticipate that this task will involve a deep understanding of class design as well as an understanding of the rental business process. Please include examples o...

Change the payment gateway "cryptomus" to stripe. After that. Compile the code to obtain the apk version and an .aab version that will be used in the Google Play Store. In turn, upload the updated code to the app server. Send me the updated source code as well. The app is made on react Native, and the backend is Python. All the API's are made on Python.

build desktop appication from scratch using java processing

I'm looking for a professional who can help me create HackerRank for three algorithmic tasks to be completed within 90 minutes The ideal candidate should: - Be proficient in Python and Java, with a strong understanding of data structures, algorithms, and object-oriented programming - Have experience in creating programming challenges or assessments - Be able to design medium difficulty tasks that are both engaging and challenging - Familiarity with HackerRank platform is a plus I will provide more detailed requirements and guidelines once we kick off the project. Looking forward to working with an expert in this field.

I'm looking for an experienced Java developer to create a custom compiler. It will be geared towards handling key Java features including Object-oriented programming, Exception handling, and Generics. Key requirements: - Ability to write a compiler in Java - Strong understanding of Java's key features (OOP, exception handling, generics) - Previous experience with developing compilers is a plus The project doesn't specify a particular version of Java, but the ability to work with different versions may be beneficial. Please provide examples of previous compiler projects or relevant work.

I urgently need an expert Laravel developer to collaborate on a web application development project. The specific features and functionalities of the project are yet to be defined, but a vast knowledge in Laravel is key. Key skills and Experience: - Proficiency in Laravel and PHP - Understanding of MVC design patterns - Knowledge of front-end technologies, such as JavaScript, HTML5, and CSS3 - Familiarity with SQL/NoSQL databases - Excellent problem-solving skills The timeline for this project is ASAP, so the ability to work under pressure is required. If you have experience in web applications, APIs, or both, it will be advantageous. Let's collaborate on this exciting project.

For this project, I'm needing a well-rounded expert proficient in both Xano and Adalo platforms. Here are the specific functionalities to be focused on: Xano: - Database setup: We aim to have a foolproof data structure. - API endpoint creation: For smooth communication and data transfer. - User authentication: To protect user privacy and retain trustwort...appealing and easy-to-use. - App navigation setup: To ensure a smooth user journey. - Data integration: Must ensure seamless data sharing and retrieval. Ideal freelancers are those who have proficient experience both in Xano and Adalo with prominent skills in database setup, API endpoint creation, user authentication, UI/UX, app navigation, and data integration. Your skill set should cover both the backend and frontend of a...

We are an Agency, in search of a proficient mobile app developer to create a cross-platform application for internal task management, similar to Google Tasks. This application will serve as a pivotal tool within our client company, facilitating seamless task assignment, tracking, and communication between manager and employees. Project Overview: We require a user-friendly mobile application that enables managers to assign tasks, monitor their progress, and receive notifications upon completion. Additionally, employees should be able to update task statuses and notify managers when tasks are finished. Key Features: User Authentication: Secure login functionality for managers and employees. Task Assignment: Managers should be able to create tasks, assign them to specific employees, ...

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I need some Android developers in java I need work from New freelancers I need work for long term but at low budget I need a serious and hard working persons

I've a custom built application that primarily uses node.js for the backend. My payment gateway is Worldpay for which I've set a callback for the settlement process. However, the issue lies in the processing of the callback response - the current processing is incorrect and needs to be fixed. Key Tasks & Skills: - Debugging: Diagnosing the incorrect processing of the callback response. - API Integration: Expertise in integrating Worldpay's settlement callback correctly. - Node.js: Proficiency in node.js is essential to understand and troubleshoot the existing code. The ideal candidate for this project should have a strong background in node.js, previous experience in Worldpay integration, and a solid understanding of API callbacks. You should be able to quickly ...

We are in need of a skilled Laravel developer who can modify an existing form on our clients internal site. This role requires knowledge and understanding of user interface design and form handling in Laravel. The specific tasks that need to be done are: - Add new form fields: This would comprise single line text fields, multiline text fields, and dropdown menus. - Make changes to the existing form fields: This involves altering label names, tweaking field validations, and modifying the order of fields. The ideal freelancer for this task would be experienced in Laravel framework, and proficient in creating and modifying form fields and validations. The ability to improve user interface design is also highly desirable for this job. Please share your relevant experience when biddin...

NEED URGENT WILL HIRE NOW I am in need of an experienced Laravel Developer to help customize a law firm management system. It appears that specific features have not been provided, however, it would be beneficial if the freelancer has knowledge implementing features such as document management, case tracking, and time-task management. The overall objective hasn't been clearly defined but working with the assumption that the goal is to streamline workflow processes, improve data security, and increase efficiency. Any experience with integrations would be a bonus. However, the following specifics were not given, so email management tools, payment gateway inclusions, or calendar integration may be involved. Skills needed: - Proficiency in Laravel - Understanding of legal manageme...

An app similar to Uber and Lyft. 1. Mobile App Development: Proficiency in mobile app development platforms such as iOS (Swift) and Android (Java/Kotlin). Experience with cross-platform development frameworks like React Native or Flutter can be beneficial for building apps that work on both iOS and Android. 2. Backend Development: Strong understanding of backend development technologies and frameworks like Node.js, Python (Django/Flask), or Ruby on Rails. Knowledge of databases such as MySQL, PostgreSQL, or MongoDB for storing user data, ride information, and other relevant data. 3. Geolocation and Mapping: Familiarity with geolocation services and APIs for tracking user location and providing real-time navigation. Experience integrating mapping and routing APIs suc...

I'm searching for a skilled WordPress WooCommerce developer in Noida. The ideal candidate should have a solid grasp of the following skills: - HTML/CSS - JavaScript - Graphic design The project involves developing an eCommerce website using WordPress and WooCommerce. The site should include: - A product catalog to display our range of sports goods - A shopping cart feature to allow customers to select and purchase products - Integration with a reliable payment gateway to facilitate secure transactions As a sports goods retailer, we aim to create a professional, user-friendly, and visually appealing online store. The site should not only provide a seamless shopping experience but also reflect the quality and ethos of our brand. If you have experience in similar projects and...