Java developer dubai jobs

I'm seeking a skilled C/C++ developer with a focus on Windows compatibility for a project to update and fix existing software. Key Requirements: - Experience with C/C++ programming for Windows OS - Strong problem-solving skills to fix existing software issues Please note that the scope of the project does not currently involve integration with external systems or libraries.

I am in need of a highly skilled developer to create a fully functional school management website. The preferred technology stack for this project is Java. Key Features: * Attendance tracking: This is a critical feature. I need a system that can monitor and manage the attendance of both teachers and students. * Gradebook management: This will allow teachers to easily manage grades and allow students to keep track of their academic performance. * Fee payment system: A system that allows for the easy payment of fees is mandatory. User Roles: * Admin: They will have the highest level of authority and be able to oversee all operations. * Teachers: They should be able to manage grades, check attendance, and have access to their respective class information. * Students: They wil...

I am in need of proficient web developer with substantial experience and expertise in the required skills. The site will need: 1. E-commerce capabilities: A robust online store that is user-friendly and capable of managing a wide range of products. 2. User registration and login: A secure system for customer registration and login to ensure data safety. 3. Content management system: A convenient content management system facilitating seamless modifications and updates. As this website is primarily aimed to generate leads and inquiries, optimization for lead generation is crucial. Candidates are required to demonstrate a proven track record in similar projects. Let's create a platform that not only fulfills educational needs but also drives business growth.

I need an experienced WordPress developer for extensive customization of my WordPress theme and WooCommerce functionalities. The main tasks include: - Customizing WooCommerce for unique product variations and custom features on single product pages. Familiarity with variable products and conditional logic is crucial. - Incorporating additional product attributes and enabling product selection based on user input. Proficiency in PHP and custom coding is desired. Ideal candidates should have a solid foundation in working with WooCommerce, PHP, and WordPress theme development with a focus on e-commerce sites. Their programming skills should be accompanied by a keen eye for design to implement layout changes, color scheme amendments and font customization effectively. This project re...

Seeking a Wix developer proficient in expanding existing websites with additional pages, maintaining consistent design aesthetics. Content will be supplied by our team, with the developer responsible for converting it into pages and blogs regularly. The developer should also adhere to best practices for SEO compliance by incorporating relevant meta tags, headings, and keywords.

I need an experienced Shopify app developer to create a specialized app for me. This app should have the following functionalities: 1. Select the Order Date and time slot in the local delivery 2. Select the store pickup address for order 3. Very Pincode for local develiry is available or not this pincode? Require Skill - Shopify Order Edit - Shopify Webhook - REST API - Node.js and React.js - MySQL and Postgres - Javascript, HTML, CSS, Jquery A critical feature I require is the ability to gather specific information with each order. This should include: - The ability to select an order date via a calendar date picker. - Collect and record this order date. Ideal candidates for this project should be experienced in the development of Shopify apps, with a parti...

I am looking for an experienced web developer to create an e-commerce site for my physical goods store. Key Responsibilities: - Develop an e-commerce platform with a seamless user experience for potential customers - Implement E-commerce functionality ensuring it's tailored for physical goods Required Skills: - Proficiency in PHP, HTML, CSS, and JavaScript - Proven experience in e-commerce website development - Familiarity with Stripe and Square payment gateways Ideal Candidate: - Has a portfolio showcasing previous e-commerce projects - Demonstrates excellent problem-solving and communication skills - Able to deliver high-quality work within stipulated deadlines Please submit examples of your previous e-commerce work when bidding.

Deliverables - Full fledged and mobile app (ios&android) with admin backend pannell. - Nearby Store locator - User can place a order with the combination of 3 (ex. Customer will chose part 1 of order from the multiple options, after selecting part 1, user will choose part 2, then part 3 from multiple available options and each item from each part will include individual cost and after choosing all 3 combinations it will be redirected to checkout page which includes all the details of selected items including cost breakdown, afterwards to payment page. - Web and app includes trending section, offers sections, trending designer collection section. - Blogs. - Gift cards. - influencer affiliate program. - Basic pages such as, contact us, about us, customer support, tracking, pri...

I'm looking for a skilled programmer to help me convert my invention into an app for iOS and Android devices. Key requirements: - I'm open to the programming language, so your expertise in Swift, Java, or C# would be beneficial in guiding the decision. - The app should ideally be designed to work offline, although this requirement can be discussed. - The main functions the app should possess are user authentication and data storage. It is preferred that you are located in Southern California, specifically in San Diego, CA. If that is not a reality, then I will still move forward. If you've got experience in app development and can help me bring my invention to life on mobile devices, please reach out. Looking forward to working with you!

Amarillo College invites applications for a skilled Salesforce Developer to assist in migrating our Adult Education Department (GED and ESL Programs) to the Salesforce Education Cloud. The goal is to develop a Minimum Viable Product (MVP) by the end of May, utilizing the current grant year's funds effectively. Project Requirements: Data Integration: Implement data import functionality from Ellucian Colleague to Salesforce via API. Automate student ID generation and demographic data push to Salesforce upon student initiation of the enrollment process. Experience Cloud Site: Develop a system for students to receive an email enabling them to log into Salesforce to complete their application once their data is imported. Document Management: Enable students to upload necessary doc...

I am looking to incorporate a unique feature onto my Wix e-commerce site. I sell large, dome-shaped pouffes which are gloss-finished using a variety of 18 different fabric shades and 11 ink colours, offering numerous bespoke options to my customers. - My requirement is for a 3D visualization...personalised selection. - I am targeting an accurate representation of a large-sized pouffe (18 inches or larger in diameter) that captures the glossy texture and bespoke options in detail. Ideal candidates for this job will have experience in 3D rendering, e-commerce platform integration, especially Wix, and a strong understanding of colour theory to ensure accurate representation. Skills in Java, Wix Code, 3D Modelling, and web development will be crucial; knowledge in Visual Arts could ...

I'm in search of a skilled Streamlit developer for an upcoming project. While specific functionalities haven't been outlined yet, the ideal candidate will be able to create an efficient, user-friendly and visually appealing Streamlit app. Key responsibilities and expectations of the developer include: - Collaborating with me to determine the specific functionalities and purpose of the app. - Developing an interactive and engaging Streamlit app. - Ensuring the app is accessible to different target audiences. In terms of skills and experience, I require a developer who: - Has a strong background in Streamlit development. - Is able to work collaboratively on determining the app's purpose and functionalities. - Can deliver a high-quality app that's u...

I'm in need of a professional who can design and develop an e-commerce website using Webflow. The platform will mainly serve as a storefront for a Yoga site. Key Requirements: - Develop an E-commerce Site: The main focus of the project is to create a user-friendly and responsive e-commerce website. - Payment Integration: Integrating secure and user-friendly payment methods is essential to ensure a smooth transaction process for my customers.

I am looking for a skilled developer to enhance my site by integrating Google Meet API functionalities. The ideal candidate will be responsible for creating a seamless connection between our site and Google's services, enabling automated event management and notifications. Key Responsibilities: • Develop and integrate a feature to create Google Calendar events directly from the my platform. • Implement a system to receive push notifications on my site when an event is canceled. • If feasible, establish a method to generate and retrieve Google Meet links for these events. Requirements: • Proficiency in API integration, especially with Google APIs. • Understanding of authentication mechanisms, specifically bearer tokens. • Ability to work with...

...project with little help from me. We're looking for a full-time programmer who is hard working, honest, and enjoys learning. Are you the kind of person where your yes means yes and your no means no? Do you have several years of programming experience with all things ReactJS? Place, "ReactJS developer" on the top of your bid. This full-time position requires attention to detail - someone that understands spoken and written English, fluently. We have enough work for over a year. On the top, after "ReactJS developer", please tell me what was your most difficult ReactJS project you completed and why. Also, how many years of ReactJS experience do you have? Read this job description carefully, as it serves as an indicator to me if you pay attention to...

I'm looking for a Python developer to assist with web scraping and script automation tasks. Key Responsibilities: - Web Scraping: You need to be proficient in web scraping techniques using Python, specifically with BeautifulSoup. The task will involve extracting data from websites. - Script Automation: Automating repetitive tasks will be another key aspect of this role. Experience in automation is a must. Ideal Candidate: - Proficient in Python with experience in Flask and BeautifulSoup. - Prior experience in web scraping and automation. - Detail-oriented, with the ability to follow instructions carefully. - Open to both experienced professionals and newbies with a strong grasp of Python. Looking forward to hearing from you.

I'm looking for a skilled website developer to build a fully interactive t-shirt design site from scratch. This platform should be custom-built and I need it as soon as possible. It should include the following key features: - A live preview of the design where customers can see their design in real-time - The ability for users to add personal text to their designs - A saved design feature that lets customers edit their designs later It's essential for the freelancer to have previous experience developing similar platforms. Knowledge in Steam and Counterstrike would be an added advantage due to the gaming nature of the designs. Expect to deliver quality, seamless, and user-friendly design experience. Applicants with a swift proficiency are prioritized.

I'm looking to hire a freelance Android developer for a quick task to update my QRNG generator mobile app. Most of the codebase required to implement the functionality is already provided. You will need to make necessary adjustments and enhancements to the existing code to align it with the updated requirements and ensure its compatibility with the latest Android standards. Requirements: 1) Textbox Input: Include a textbox for users to enter the size and filename. 2) Byte Stream Generation: Generate a byte stream from /dev/qrandom based on the entered size. 3) Display Byte Stream: Upon clicking the 'Generate' button, display the byte stream in a scrollable textbox below the button. The display should format the bytes in lines across the screen, removing any null cha...

I'm looking for a talented Flutter developer who can create a box drop name API for a food delivery-like application. We want the app to be available on both iOS and Android platforms. The main requirement of the project is to : - Develop an API for a box drop feature. Ideal skills and experience: - Proficiency in Flutter and API development. - Experience in creating apps for both iOS and Android. - Understanding of food delivery systems or similar platforms. Time Frame: - Completion is required as soon as possible. The sooner the project is done, the better. Also note that, as the cook and delivery partner are going to be our clients, the app should be user-friendly and intuitive. Kindly raise a proposal only if you can adhere to the tight time frame. Looking forward ...

Job Title: Expert Front-End Developer Needed for E-Commerce Website Development Project Description: We are seeking a highly skilled and experienced Front-End Developer to create an e-commerce website closely inspired by the exemplary design and functionality of Blue Nile(). The ideal candidate will have a proven track record in developing modern, responsive, and visually appealing websites with a strong focus on user experience and performance. Responsibilities: Translate requirements and mockups into fully functioning websites using HTML/CSS/JavaScript. Implement responsive design to ensure the website works seamlessly on various devices and screen sizes. Optimize website components for maximum speed and scalability. Ensure all aspects of the website are thoroughly

Project Title: Revit API Plugin for Rebar Waste Reduction and Reuse Project Overview: We are looking for a skilled developer to create a custom plugin using the Revit API that will help identify wasted steel rebars within a Revit project and suggest potential reuses based on matching rebars of equal or shorter lengths. Project Details: The goal of this project is to develop a Revit plugin that automates the process of identifying wasted steel rebars (already listed in a Revit schedule) within a Revit project. The plugin should then analyze the project schedule to find other rebars of "equal or shorter" lengths that can benefit from using the wasted ones. If you are interested in this project, please provide examples of previous Revit API development work and explain how...

I'm on the hunt for a developer who is proficient in creating Chrome extensions. The project involves developing a Chrome extension compatible only with the Google Chrome web browser. Given I haven't specified the exact functionality for this extension, I'm open to proposals. Whether your expertise lies in auto-filling forms, ad-blocking, tracking browsing history, or any other dimension, feel free to pitch your ideas or past works that align with these functionalities. For this job, successful applicants should ideally have: - Ample experience in Chrome extension development. - A portfolio of past works to showcase their skills. Freelancers interested in this project are expected to include their experience related to Chrome extension development in their appli...

I have a recruitment platform that is encountering a data display issue. This issue affects the web platform, iOS app, and Android app. I'm looking for a Laravel 7 developer who is proficient in PHP, and has experience with React Native. Key Details: - The bug: The data on our recruitment platform is not displaying correctly on all versions (web, iOS, Android). - Priority: This is a medium priority issue that requires attention soon. Ideal Candidate: - Proficient in Laravel 7 and PHP. - Experience in fixing bugs that affect web platforms, iOS and Android apps. - Familiarity with React Native, as the apps are built using this framework. Please share your relevant experience and your proposed approach for fixing this issue.

My google business profile "Shifting Experts Dubai" got suspended every time whenever we tried to list it on Google. Also tried to add video verification but was still unable to verify. link of profile is: I'm facing a challenge with my Google My Business profile. The issue is with the address verification process; I've attempted video verification but it appears not to have been successful. I'm in the service-based industry, meaning I'm not a physical storefront or retail store. It's critical to my business that I have a fully functioning Google My Business profile. Your role will be to help me address this issue and ensure my profile is fully verified and operational. Ideal Skills and Experience: - Proven track record of solving Google

I'm seeking a talented React JS developer to help fix some UI and functionality issues in my project. The bugs are more on the intermediate level, involving the malfunctioning of certain features. Key Tasks: - Identify and diagnose the existing issues in the UI - Fix the functionality problems that are impairing the user experience The ideal candidate must have: - Proven experience in React JS development - Strong problem-solving skills - A proactive attitude in identifying and resolving bugs - Previous experience in debugging intermediate level issues Please include your experience in your application, and ideally, some examples of past work where you've dealt with similar bugs.

I'm seeking a proficient Pine Script developer to assist in creating a new script with a focus on developing a custom technical indicator. Your task will be to emulate a paid script I have access to, using the description of the invite only scrip & chart price datas, settings of the indicator Key Responsibilities: - Create a new Pine Script from scratch - The script should be similar to the paid one I currently have Qualifications: - Extensive experience in Pine Script coding - Proven track record with technical indicator scripts - Familiarity with both price and volume data - Attention to detail and ability to emulate existing scripts accurately Your strong Pine Script coding skills and technical indicator knowledge will prove invaluable in carrying out this task. I lo...

I'm in need of a Flutter developer who can help me bring my social networking app to life. The key feature of this app will be the ability for users to create and customize human avatars. The customization level required here is 'basic', so it will mainly include simple outfits and accessories. Key Requirements: - Flutter Expertise: You must have a solid background in Flutter development. - Mobile App Experience: Experience in building mobile applications is a must. - Social Networking App Experience: Previous experience in developing social networking apps will be highly beneficial. - Avatar Customization: Experience in implementing avatar customization features, although basic level is needed. Your role will involve working closely with me to understand the vision...

I am looking for a full-stack developer to complete a web app developed in Laravel and React.js

I'm looking for an Excel file that contains a list of companies in Dubai, specifically from the Technology and Hospitality industries. The file should include the following information for each company: - Company name - Address - Phone number - Category of business Key requirements: - Data should be accurate and up-to-date - Companies must fall into the Technology or Hospitality industry

I'm looking for a skilled Python developer who can help me implement the Google Sheets API for password protection. Key Requirements: - Utilize Python to work with the Google Sheets API. - Implement password encryption for security. - Set up a system for managing user access, with individual passwords for each user. Ideal qualities in a freelancer: - Proficient in Python. - Experienced in working with the Google Sheets API. - Knowledgeable about encryption methods for data security. - Capable of setting up user authentication and access controls. Successful delivery of this project will result in a password-protected Google Sheet that allows for unique user access.

NEED URGENT AND ITS SMALL JOB 'm looking for an experienced Laravel developer who can make tailored changes to my current project. Key tasks include: - Customizing our billing process with a focus on generating invoices. - Ensuring the invoices generated include comprehensive tax information. Ideal candidates should have: - Proven experience in Laravel. - Familiarity with integrating finance-related features, specifically around invoicing and taxation. - Knowledge of API integration is a plus. Only detail-oriented developers who can deliver results swiftly are invited to apply.

I'm looking to hire a team of developers for a fullstack application platform specifically designed for multiple education institutions. The team should ideally consist of a Team Lead and three Developers. The work location will be in Bangalore, India. Your primary qualifications should include proficiency in React.js and Node.js. Specific requirements for the platform include: - Student Enrollment and Management - Online Course Delivery and Assessments - Payment Gateway Integration for Fee Processing The application platform should have a clean, professional and corporate design.

I'm on the hunt for an experienced developer who can construct a BLE transport layer on an ESP32. Ideally, you should have proficiency in C to execute this project. Required Functionalities: - Reading from a BLE device - Writing to a BLE device - Connecting and disconnecting to a BLE device The TP should be able to handle 5K bytes in one go. The project entails observing conformity with the following Bluetooth protocols and standards: - Bluetooth 4.0 - Bluetooth 4.2 - Bluetooth 5.0 If you are confident with your skills and have experience with BLE protocols and ESP32, please bid on this project. Your expertise will be greatly appreciated!

Responsibilities: - Lead the development and integration of user interfaces in Unity for a computer vision application. - Provide expert guidance in the architecture and design of software built on the Unity platform. - Collaborate with the engineering team to integrate advanced image processing algorithms seamlessly with Unity. - Establish and maintain best practices for Unity development and version control within a shared workspace. - Optimize performance and memory usage of Unity applications dealing with large-scale data processing. - Train and mentor team members on Unity-specific skills and practices. - Manage code repositories, ensuring robust version control and efficient collaboration across teams. - Troubleshoot and resolve any Unity-related issues that affect project timelines ...

I'm a freelance game enthusiast looking for a skilled developer to create a multiplayer online battle arena (MOBA) game. Key Points: - Your primary task will be to develop a MOBA game, emphasizing player-versus-player combat and strategic gameplay. - This is a freelance opportunity, offering you the chance to contribute your expertise to an exciting project while working flexibly. - You should possess a solid background in game development, particularly with MOBAs. - A passion for gaming and familiarity with gaming industry trends is a plus, as it will help you understand the target audience better.

I am in need of a skilled ROS developer who can assist me with the simulation of an underwater vehicle using ROS Noetic. The project is mainly focused on the movement, navigation, sensor interaction, and data processing of the underwater vehicle. Key Responsibilities: - Creating an underwater vehicle simulation on Gazebo using ROS Noetic - Implementing movement and navigation functionalities - Incorporating sensor interaction and data processing capabilities - Ensuring the simulation is realistic and functional Ideal Skills and Experience: - Proficiency in ROS Noetic - Experience in simulation, particularly working with underwater vehicles - Strong knowledge of Gazebo or similar simulation tools - Understanding of movement and navigation algorithms - Prior work on sensor interacti...

I have an urgent need for an experienced Ionic developer to help me get my app live on both IOS Appstore and Android Playstore as soon as possible. The app needs to be updated from an older version to the latest one as well. The project entails: - Ensuring the app is compatible with both iOS and Android - Meeting the necessary app store requirements for submission - Ensuring the app has a clean and user-friendly interface - Testing the app for bugs and issues Ideal candidates should: - Have a strong portfolio of previous Ionic app development - Be familiar with app store submission processes - Be able to work quickly and efficiently - Have experience in user interface design - Have experience in app testing and bug fixing This is a time-sensitive project, so please only apply if...

I am urgently seeking an experienced .NET developer who can address some bugs and error messages within my application. As I did not specify the nature of these bugs, the successful applicant should be confident in handling a broad range of potential issues within a .NET framework. Key responsibilities: - Identify and troubleshoot bugs and error messages - Ensure consistent operational efficiency post bug fixes Ideal Skills and Experience: - Strong proficiency in .NET development - A broad understanding of potential .NET bugs - Proven experience in troubleshooting and resolving .NET issues Due to the urgency of this task, a prompt response and quick turnaround time is highly appreciated.

I'm in need of an experienced embedded software developer for a project involving a custom application on an ARM Cortex microcontroller. The ideal candidate should be proficient in C/C++ programming languages. Key Requirements: - Embedded Software Development: The primary task for this project is to design, implement, and debug the embedded software. Please have a proven track record of working with embedded systems. - ARM Cortex Experience: Familiarity with ARM Cortex microcontrollers is crucial. You should be comfortable with the architecture and able to optimize performance for the given use case. - C/C++ Proficiency: Strong programming skills in C/C++ are a must. You will be developing applications on this platform, so experience in these languages is critical. Your r...

I'm on the hunt for a talented Flutter developer for crafting a mobile app compatible with both iOS and Android operating systems. The successful freelancer should be experienced and competent in the following areas: - User authentication implementation. - Database integration for secure and efficient data management. - Implementing push notifications to enhance user engagement. - Integration with third-party APIs. If you have prior experience in flutter development and feel confident in delivering these features, then I would love to hear from you. Proficiency in working with iOS, Android platform and third-party APIs is a must. Inbox for further details, let's bring this project to life!

I need a skilled developer with proficiency in React (particularly version 16), Ubuntu, and Apache for a project deployment. Key responsibilities will include: - Managing server configurations - Installing project dependencies - Configuring Apache for the application Having hands-on experience with the above tasks is crucial for effective task execution. We have access to the production server and all necessary credentials will be provided. Understanding of server-side deployment intricacies and problem-solving skills are as well essential for this task.

I'm in need of a talented AngularJS and Java developer for my project.

I need a skilled Tableau developer to create an Interactive Data Exploration Dashboard in Tableau. I will provide the dataset. It's about the Olympics from 1900 - 2016. The ideal candidate would be proficient not only in Tableau but also in database management and sports data analysis. I need it done today. Key Project Details: - The dashboard should include: Medal count, Athlete performance (with a focus on country representation, which is Norway), and Team ranking - The athlete performance section should particularly emphasize the representation of each athlete's country - A crucial aspect of the task is to ensure the dashboard automatically updates data, providing real-time information. The dashboard should contain at least one time-series, and one spatial map. In ad...

I'm looking for a proficient Laravel web developer who can create an educational website specifically focused on Multiple Choice Questions (MCQs). The site will also need to have strong SEO features. Key Feature and Functionalities: - The main feature of the website will be the MCQ module. The questions should be presented in a multiple-choice format. - I want to be able to manage the content of the MCQs easily. The site should have an admin panel for me to upload new questions and manage the existing ones. SEO Requirements: - The site needs to have advanced SEO capabilities, with a strong emphasis on analytics integration. Ideal Candidate: - Proficient in Laravel - Experience in creating educational websites, particularly with a focus on MCQs - A strong background in SEO...

I'm in need of an experienced full-stack Python developer to build an AI API from the ground up. The API will be focused on supporting three primary AI functionalities: - Natural Language Processing - Computer Vision - Speech Recognition The main application of this API will be to generate content. Ideal candidates should have strong experience with AI systems, Python programming, and building APIs. A good understanding of NLP, Computer Vision, and Speech Recognition technologies is crucial. Additionally, experience in content generation is an advantage. The API should be well-structured, easy to integrate, and efficient in processing inputs to generate the desired content. I'm looking forward to having a smooth and efficient API that delivers high-quality results.

I'm searching for a seasoned iOS App developer who can assist in the publication of my app on the Apple Store. The right candidate should be experienced in setting up certificates, identifiers, and profiles. If you execute this task correctly, there's a possibility for more work in the future. Key responsibilities include: - Certificates, identifiers, and profiles setup for App Store publishing - Ensuring the app is compatible with iOS 12 and above Your qualifications should include: - A proven track record in app publishing on the Apple Store - Proficiency in iOS app development and compatibility requirements - Familiarity with the Apple Developer account setup - Ability to adhere to Apple's stringent guidelines and requirements The primary function of th...

I'm in need of a developer to create an app that displays free and busy schedules. The app should be compatible with Android and also be accessible on the web. Key Features: - The app should support user authentication. - It should retrieve users' schedule information from external calendar services such as Google Calendar and Outlook. Ideal Skills: - Proficiency in Android app development. - Experience in web-based app development. - Familiarity with user authentication systems. - Integration skills with external APIs, particularly calendar services. If you've worked on similar projects or have the required skills, please reach out with your proposal.

I'm in search of an app developer skilled in both coding and no-code platforms to develop a comprehensive business application for my enterprise. The primary aim of the application is to enhance our e-commerce operations to provide excellent digital experiences for our clients. Key Project Features: - User registration and login - An intuitive product catalog and browsing capability - Secure payment processing Integrations: - The app should be integrated with popular payment gateways - Connection with our existing social media platforms is a requirement - Integration with our email marketing services is also vital Ideal Skills: - Experience in app development - Proficiency in coding and using no-code platforms - Experience with implementing third-party integration...

MoreLogin browser allows multiple other browser connections. Basically it spawns multiple browsers within a single dashboard. Do you know what a proxy is? So the idea is to use this browser and pipe it through a proxy server. This browser(MoreLogin) supports automation via Selenium. MoreLogin browser, it also has an API to dynamically create browser sessions. The idea would be to spawn browser sessions and automate the bot via Selenium and then pipe it via Proxy Server. And then we need to configure this MoreLogin Browser to pipe it through a proxy. That would be the first thing. Then the next step is to automate the bot "idea"

hello I want to customize my woocommerce not for design but maybe PHP , Java , HTML is required for this