Backend developer trabalhos

I'm encountering an admin login error on Joomla, and I need assistance resolving this issue. Key Project Requirements: - Familiarity with Joomla: You should have experience with Joomla admin panels as well as the backend code structure. - Problem-Solving Skills: Ability to quickly identify and rectify the root cause of the error. - Time-Sensitive: Since this issue has a direct impact on my ability to access and manage the site, I need a swift resolution. If you have the requisite expertise and can deliver a prompt fix, please reach out.

I am seeking a skilled Solana / Rust developer with experience in creating crypto projects to help me build a raffle platform. Key Project Details: - I need a robust raffle platform that includes a random winner selection system, a ticket purchasing system, and a mechanism for distributing prizes. - You will be working with my specific design in mind, so attention to detail and the ability to implement a pre-existing design is essential. Ideal Skills and Experience: - Proficient in Solidity development - Previous experience with crypto projects - Experience with developing raffle or gambling projects is a plus - Strong attention to detail and the ability to implement a specific design If you are a developer with a good understanding of Solidity, crypto projects, and ...

I require the expertise of a seasoned Wordpress web developer and designer with comprehensive experience in using Elementor to help me create an engaging and creative website. This is for my client who wants a fresh redesign of their website with a fresh and professional look. The website is a very basic 5 page website with no extra functionality required other than a basic contact form. I have already made a start on the project but no longer have time to complete it so I need to outsource the project. The website is a basic travel/retreat website I have already installed and set everything up I just need the winning bidder to create a great redesign of the site using Elementor. The winning bidder must have previous experience with Elementor for Wordpress with previous proof o...

I'm looking for a talented web designer/developer to revamp my Wordpress website. The primary goal of this redesign is to increase online sales, so a strong focus on eCommerce functionality is crucial. Key areas to be revamped: - Homepage Layout: The homepage needs to be more engaging and user-friendly, ensuring that it's a strong sales driver. - Product Pages: These must be redesigned to better showcase the products and encourage sales. - Checkout Process: The current checkout process needs to be streamlined, ensuring a smooth and hassle-free experience for customers. The website also requires backend development work, particularly integrating the Payment Gateway Razorpay. Therefore, experience with payment gateway integrations is a definite plus. Ideal skills ...

I need developer with skill in Ionic to build my apps, my issue is everytime i build my apps to SDK 33 always comes up different error but it's all around gradle. I've tried different gradle but still it don't fix the issue. Your job is to build my apps and be compatible with different SDK and devices also give me details documentation on how you do it and it must be done in 4 days. I'm willing to pay $120 and that is the final offer. And please, APPLY IF YOU UNDERSTAND WELL THE CASE AND WILLING TO BE PAID AS I OFFERED.

I need a qualified professional to develop a very small, two-screen mobile application for Expo. This project does not require integration with any external database or backend creation. There is no login functionality. Your responsibility will be to develop an interface similar to figma and with the functions below. *Does not need to be identical to figma, but maintain logic. Link Figma: How it works: - The entire user journey is gamification. - The user chooses a project that has x days (screen 1). Then you must mark the completed days (screen 2) in the app to earn coins. - The coins are on the top bar (Fixed) and starts with 0 coins. - The number of user coins and complete days must be saved

I'm looking for an experienced app developer who can create a social networking app for both iOS and Android platforms. The main features I need the app to have are messaging, as well as photo and video sharing capabilities. Key requirements: - Develop a social networking app for both iOS and Android platforms - Implement messaging functionality - Implement photo and video sharing functionality Ideal Skills and Experience: - Prior experience developing social networking apps - Proficiency in both iOS and Android app development - Strong understanding of messaging and media sharing functionalities - Solid knowledge of app design and user experience principles Your portfolio should include previous social networking apps you have developed or similar projects. Please provid...

I'm looking for an experienced developer who can work on an Android application with significant social networking features. The app should have user profiles and authentication, as well as friend connections and messaging features. Ideal skills and experience: - Proficient in Python, with expertise in developing Android applications - Familiar with social networking app development - Experience with implementing user profiles, authentication, friend connections, and messaging Please only apply if you have a strong background in both Android and Python development, with a portfolio that demonstrates similar projects. Your understanding of social networking app dynamics will be a big plus. Thank you.

I'm looking for a proficient PHP developer who can assist me with an e-commerce web development project. Here are the specifics: - The project involves building an e-commerce platform. - The website should be developed using core PHP. - Aside from the e-commerce functionality, no further special features are needed for the site. The ideal candidate should have a strong background in PHP development, specifically in building e-commerce websites. Familiarity with core PHP is required for this particular project. If you believe you have the necessary skills and experience, feel free to place your bid and I will be in touch with suitable candidates.

I need an AEM expert with specific experience in Dynamic Media implementation, as well as strong Java, Vue, and JavaScript skills. The project will involve a mix of backend and frontend tasks, and I'm looking for someone who can work with me on this for 3-6 months. Key Requirements: - Adobe Experience Manager (AEM) expertise - Dynamic Media implementation experience - Strong Java, Vue, and JavaScript skills - Ability to work on both backend and frontend tasks - Available to commit to 3-6 months of work Please only apply if you have the appropriate skills and are able to commit to this time frame.

...looking for a skilled developer to optimize my .NET and Angular project. The main areas I need improvement in include: - Performance: The project currently suffers from slow loading times. I'm looking for a professional who can optimize the code to ensure faster loading speeds. - Code Structure: The backend code in particular requires attention. I want to restructure it for better readability and maintainability. - Routing and API Optimizations: I need someone to optimize routing and API calls to decrease loading times and improve overall project performance. -Lazy Loading, Eager Loading optimizations Ideal candidates will have: - Proficiency in .NET and Angular - Experience with optimizing projects for performance, especially in addressing slow loading times - Stron...

I'm seeking an experienced web developer to implement certificate management functionalities for my PKI/SSL/ACME project. Key Responsibilities: - Implementing certificate management functionalities within the PKI/SSL/ACME setup of the website - Ensuring that user certificates are managed efficiently and securely - Working with SSL/TLS protocols and ensuring they are implemented correctly Ideal Skills: - Proven experience in web development - Proficiency in PKI/SSL/ACME - Strong understanding of SSL/TLS implementation - Knowledge of certificate management - Attention to detail and ability to create secure and efficient systems.

I am seeking an affiliate to find clients for web and mobile development, mainly targeting enterprises. The ideal candidate will identify potential projects that match our expertise which includes: - E-commerce development - Social networking apps - Productivity tools Whether the client you find is a startup or an established business, we can cater to their tech needs. You should have robust communication skills as the role calls for interaction through various channels such as: - Email - Phone calls - In-person meetings - Social media Knowledge of tech trends and a firm grasp on industry vocabulary is essential for this position. Critical networking abilities along with persuasion skills will also be valued.

I'm in need of an experienced developer to build one part of the existing app - it's very simple and easy. ******************************IMPORTANT!********************************** Required skill: experienced in , but NOT Flutter. ***************************************************************************** The estimated timeline is ONE day, if you have experienced in FlutterFlow.io. Below is the project description: -Output Build a component designed for writing and sending emails, featuring a rich text editor. Upon pressing a designated button, an email composition popup should appear on the right side of the screen. The design and user experience of this popup should be similar to the email writing interfaces used by Hubspot, and to a lesser extent, Google's

I'm looking for a skilled developer to build a trading bot on Solana using Rust preferred or Typescript for the back end, which will be interacting with the Raydium API. The bot should be able to monitor the WSol/New Token pair on Raydium and execute trades based on the detection of the addition of liquidity, as well as sell at specified sell points. The bot will operate on Windows using React or similar for a simple UI. Wallets and custom RPC stored in an ENV file. The UI will be used for Buy and Sell settings config,(gas price+ slippage_ amount of tokens to buy in WSol for buy . Token contract to be pasted and then tx executed until Liquidity Pool is formed and bot attempts to purchase the token. Once token purchased the bot will send the token evenly to up to 5 wallets (conf...

I'm in search of a skilled PHP Laravel developer based in Dhanbad, Jharkhand, for a full-time role. The chosen candidate will be instrumental in the creation of a new website. Key Responsibilities: - Front-end Development: A strong foundation in front-end development is crucial for this role. You need to be able to create intuitive and responsive user interfaces. - Back-end Development: Proficiency in Laravel, a popular PHP framework, is essential to build a robust back-end for the website. - Database Management: Your expertise in managing databases will be pivotal in ensuring the site operates seamlessly. The primary focus of the project is: - Building a new website: You will be responsible for developing a new website from scratch. Your ability to translate design concepts ...

*(DATING and SOCIAL NETWORK WEBSITES )! I'm looking for a highly skilled and React.js developer who can expertly handle complex application development. Your responsibilities will include: - Frontend development: creating robust and efficient codes that will drive our web application. - User authentication: implementing secure protocols for signing in and maintaining user sessions. - Advanced UI components: building sophisticated UI features that dovetail effectively with user actions and responses. - Real-time data synchronization: making sure our user's data synchronizes in real time, ensuring a seamless user experience across devices. - Seamless integration with various third-party APIs, crucial for expansive functionality Ideal candidates should have extensive exp...

I'm seeking a proficient developer to build a user authentication and authorization system using JS, Node.js, and MySQL. The core function of this project will be role-based access control. Key Features: - Role-based access control system: The system should be able to accommodate three different roles - Admin, User, and Guest, each with different permissions. Ideal Skills and Experience: - Strong proficiency with Frontend JavaScript, and Backend Node.js. - Proficient understanding of databases particularly MySQL. - Comprehensive experience in building authentication and authorization systems. - Knowledge of implementing role-based access control. 1 Registration Screen for Admin & User UserID Password Confirm Password FirstName MiddleName LastName Ema...

I'm in need of a proficient developer with experience in creating scheduling software and API integration. This project involves creating a a similar program similar to the one that I am using now. - Real-time Scheduling: This feature should allow customers to book their appointments online and provide automatic reminders prior to their scheduled appointments. Additionally, real-time updates on our field service technicians' availability needs to be visible and updated constantly. - Integration with Service Monster API: The new program must seamlessly connect to the Service Monster API which is used for managing our field service techs. - Unique Design: This project requires a new and unique design. Feel free to unleash your creativity to make the user interface intuit...

I am searching for an advanced level Web3 backend developer who has extensive experience working with Ethereum. The scope of the project requires the following functionalities to be integrated: - Smart contract implementation - Token creation The ideal candidate should have a strong grasp of blockchain technology, particularly Ethereum, and a proven track record of implementing smart contracts and creating tokens. They need to maintain the highest level of quality, accuracy, and security in their work. Advanced skill set in backend development is a must.

I'm looking for a seasoned front-end developer to convert my existing WordPress site to a static HTML site. Here's what you need to know: - The primary reason for this conversion is that I no longer require the CMS functionality. This means you won't need to worry about the WordPress backend, plugins and the associated database. - The site has some dynamic elements like contact forms, comments section, and user login pages. These will need to be converted into static pages. - I would like to retain some specific design elements and functionalities from the WordPress site. These include the header/logo design, the navigation menu and the slider/carousel. It's essential that these are transferred over accurately. You need to have a solid grasp of both W...

I'm in need of an experienced PHP developer who can perform a thorough inspection and subsequent modification of my web application. Here is what the project will entail: - **Design Modification:** The application's design needs some tweaking to achieve the desired look and functionality. If you had prior experience with UI/UX, it would be fantastic. - **Functionality Enhancements:** Some parts of the app aren’t functioning the way they should, therefore need some enhancements to improve usability and the overall user experience. Ideal candidates should have a profound understanding of PHP, as the code is written in this language. Prior experience in working with web application optimization, user interface design, and functionality improvements would be beneficia...

Looking for a developer to edit our site: We use Funnelkit, WooCommerce, and Elementor. We need to fix the following: 1. Site running slow and crashes. 2. Fix FunnelKit Cart Buttons to Execute the proper next step of funnel. 3. Optimization of the back end of the website. For some reason when we login as administrators then the site moves very slow. We use WP Rocket and Heartbeat plugins to optimize the site. 4. We plan to run a 30 day campaign after this is fixed and need the developer who wins the bid to address any needs or concerns during this 30 day period.

I am looking for a full stack web developer to create a Network Management System (NMS) website that can be deployed on any cloud or local hosting. Main Functionalities: 1. Loginpage login (create user/password in the backend) 2. Dashbord one - prints rows of a table (buttons to add/delete/update table rows) 3. Dashboard two will have 6 tables, each of the table entries will have few configurable(will be configured through pop up window) , stats, logs , status 4. One of the table could have a flow table just for read only 5. THere should be back end persistent DB which saves all the data 6. THere should be method to bring down this and powered back any time Acceptance criteria 1. NDA signing 2. Web page working conditions and exceptions taken care on ...

I'm looking for a skilled Webflow developer to make strategic improvements to my website. The project involves a mix of SEO tweaks and backend work to enhance user experience. Key Deliverables: SEO work will include (PDF can be provided): changing hreflang, changing url page names, adding meta descriptions, changing headings, replacing text, creating breadcrumbs, Schema Mark Up, adding image alt text, reviewing and removing excess code, update sitemap. Adding additoinal pages: Updating the main menu to add additional pages Creating additional pages Uploading text and images, which will be provided Ensure consistent layout across all pages Ideal Skills: - Proven experience with Webflow - Strong understanding of SEO best practices - Ability to implement and optimize me...

I am in need of a talented game developer who can modify the existing code of my game to make it compatible with both mobile devices and the Telegram platform. Key Requirements: - I am looking for someone who has prior experience in developing games for both mobile and web, especially Telegram. - The game is currently built around a particular genre, but I need you to modify the code to make it more engaging and user-friendly. In essence, the tasks revolve around: - Code modification to ensure that the game is compatible with mobile devices. - Code modification to ensure that the game is compatible with the Telegram platform. - Game enhancement to appeal to a wider audience. Ideal Skills and Experience: - Proficiency in game development, particularly for mobile and web platfo...

... production team, site engineers, etc. - Reports may include inventory status, project-wise material usage, stock alerts, etc. 10. **Stock Alerts:** - Implement stock alert mechanisms to notify users when inventory levels fall below a certain threshold. - Alerts can be sent via email, SMS, or displayed within the software dashboard. This software solution would require a database backend to store all relevant data and a user-friendly interface for easy interaction. You could develop it using Microsoft Access, incorporating forms, queries, reports, and VBA (Visual Basic for Applications) for automation and customization. Consider consulting with stakeholders and users throughout the development process to ensure the software meets their specific needs and requirement...

Urgently required: a skilled WordPress developer proficient in theme customization and plugin development, who can help improve website optimization. Key Duties: - Customizing my existing theme based on specific requirements which will be given after hiring - Developing a custom plugin with a core functionality of e-commerce integration - Working on website optimization to provide a seamless user experience Desired Skills and Experience: - Sound knowledge of WordPress framework - Expertise in PHP and JavaScript for customizing themes - Experience in developing complex WordPress plugins - Familiarity with implementing e-commerce elements into plugins - Experience in website optimization This project demands full dedication and efficiency. A portfolio of previous WordPress custo...

I'm looking for a skilled Android app developer to create a beverage vending machine system with a backend web application. The system should be capable of providing a seamless experience for customers, ensuring convenience and efficiency in the beverage ordering process. Key Features: - The Android app will need to include the following functionalities: - Ordering beverages: The app should allow users to browse through a selection of beverages and place orders. - Payment processing: The app should offer a secure and user-friendly payment gateway for transactions. - Brewsing: An additional feature that enables users to brew their own beverages in the vending machine. - The payment processing system should ideally support: - Credit/debit cards: Seamless...

I have an Application build in last 2022 with MYSQL Database and Node.js Backend. I am looking for a developer who can administrate it in a long term. Your responsibility will be - 1) Database Architecture 2) APIs Development 3) Supporting the Front End Developer 4) Supporting The Mobile Apps Developer 5) maintain the APIs collection on the Postman 6) Maintain the APIs and Database Model Documentation My Hourly rates are (INR) 800/Hr Max (Including all taxes/Freelancer fee etc..)

I have two projects one that uses lidar sensor functionality and the other project is made for an autonomous car model, i want to integrate both Projects together to enable lidar sensor feature in my car model. to make car model have lidar sensor with another existed sensor.

I need an AEM expert with specific experience in Dynamic Media implementation, as well as strong Java, Vue, and JavaScript skills. The project will involve a mix of backend and frontend tasks, and I'm looking for someone who can work with me on this for 3-6 months. Key Requirements: - Adobe Experience Manager (AEM) expertise - Dynamic Media implementation experience - Strong Java, Vue, and JavaScript skills - Ability to work on both backend and frontend tasks - Available to commit to 3-6 months of work Please only apply if you have the appropriate skills and are able to commit to this time frame.

I created Java app that create google calendar event via api. I've got below error POST { "code": 403, "errors": [ { "domain": "calendar", "message": "Service accounts cannot invite attendees without Domain-Wide Delegation of Authority.", "reason": "forbiddenForServiceAccounts" } ], "message": "Service accounts cannot invite attendees without Domain-Wide Delegation of Authority." I think it's a problem service account. I want to do it till end of 11.05.2024 Project realization via shared desktop

I'm urgently in need of a skilled developer with experience in Generative AI, RAG, Prompt Engineering, and Workflow AI chatbot development. Your main responsibilities will consist of: - Building and enhancing chatbot features using Generative AI, RAG and Prompt Engineering methodologies - Leveraging workflow AI concepts to make the chatbot more efficient and user-friendly - Must have excellent skills in React, Node.js, Langchain and Pinecone What I expect: - An expert in these four areas: Generative AI, RAG, Prompt Engineering and Workflow AI chatbot - Proficiency in at least React, Node.js, Langchain, and Pinecone. - Good problem-solving skills and creativity - Excellent time-management capabilities since I need this project completed asap. If you think you match this pro...

We developed custodial wallet using Kotlin, JAVA, Node.js, etc. and when we click the send button coins cannot be sent. Please check and fix the issue. apk backend admin panel

I am in need of an entry level developer who are able to cooperate with me for a long time in the future. I prefer US residents. Best regards

I am a business owner looking to establi...website specifically aimed at selling my products. Key features required: - The main feature I need is a robust product catalog. My potential customers should be able to easily browse through my products. Inventory Classification: - The catalog needs to be sorted by price, therefore the ability to effectively categorize products by price is crucial. Ideal Freelancer: - An experienced website developer with a portfolio showcasing previous e-commerce projects. - Proficient with incorporating shopping platforms into a site. - Ability to make an easy-to-navigate product catalog. I need a smooth, hassle-free website that is easy to navigate and caters to customers who rate pricing as their number one priority. Looking forward to seeing ...

I'm looking for an expert React Native developer who can help me to build a small project based mobile app. Key requirements: - Cross-platform compatibility: The app must be compatible with both iOS and Android devices. - Small project: The app is intended to be a small project, so the scope of work is manageable. Your tasks will include: - Developing the app from scratch, ensuring it's optimized for both platforms. - Implementing any necessary updates or changes based on feedback. Ideal candidates should have: - Proven experience in developing cross-platform apps using React Native. - A strong understanding of mobile app development, including UX/UI design and optimization. - Excellent communication skills and ability to work collaboratively. Please note that the ex...

Looking for an experience Wordpress developer to work on various tasks. Work might be from 5 to 10 hours per week, maybe some weeks there will be tasks some not. Looking for someone who can communicate clearly and is an experienced Wordpress developer with good all round knowledge. Rate can be increased after some time and you have shown your skills and capability.

It is necessary solve two bugs to a Laravel application regard the frontend of condition use php 7.4. if it is necessary you must do changes to the database and the backend

I'm in need of a Python developer with specific skills in web scraping. The main task for this project is to fix bugs in existing web scraping scripts. Your role will be to primarily focus on this aspect, ensuring the scraping process runs smoothly, and is optimized for efficiency. If you perform well in this project, it will be a long term business opportunity. I have lots of projects in mind which need to start after this. New freelancers are welcome to bid.

I'm in the market for an experienced frontend developer, particularly in and MUI. The main task at hand is to create a Minimum Viable Product (MVP) for our project. This MVP will consist of a few key features: - User Registration and Login: This is an essential component for our MVP, requiring a smooth and secure experience for our users. - Dashboard with Data Visualization: The MVP will include a dashboard feature that effectively visualizes data. - Integration with External APIs: The MVP will need to integrate with external APIs for several purposes: - Fetching Real-Time Data for Dashboards: The application should be able to update in real-time using data from external sources. - User Authentication and Management: Secure management of user data and access rights is a k...

I'm in search of a frontend developer who is proficient in React.js and has experience with a range of libraries and frameworks. I need this same frontend . Username__ choudhary1234 Pass__ Abcd1234 it has also admin/management panel., so we need this design also

I'm in need of a skilled Python developer to help build an automated trading system. The system should be tailored to work with the Fyers platform. Key functionalities should include order placement and execution in real-time. The ideal candidate: - Must have experience in building automated trading systems. - Should be proficient in Python. - Familiarity with Fyers platform is a plus. Your responsibilities will include: - Developing code to ensure seamless order placements and executions. - Testing the system thoroughly to ensure it performs accurately and efficiently. - Ensuring the system is integrated with Fyers and can handle real-time data updates. This project is a great opportunity for a Python developer with a keen interest in the financial markets. If you h...

I'm seeking an experienced fullstack web developer with proficiency in HTML/CSS, JavaScript, RESTful web services, and MySQL to create a website with a minimalist aesthetic. While no specific target audience has been identified, the successful applicant will have the ability to attract and engage a broad range of users with intuitive design and effortless functionality. Key skills and experience needed: * HTML/CSS * JavaScript * web services (REST) * MySQL * Website design with a minimalist aesthetic I am looking for a freelancer who can help me customize existing web based applications and make additions to them. The application already contains similar two forms. Preferred Programming Language: - Javascript, Jquery, Angular 1, C#,css, bootstrap Timeline: - The timeline fo...

I'm in need of a skilled Flutter developer to create a basic mobile application with 6-7 pages. The app should incorporate the following features: - Registration & Login System: This should allow users to sign up using their email address and password. - Notification System: The app should be integrated with Firebase or another suitable backend language to support both Push and In-App notifications. I expect this project to be completed within 20 days. It's crucial that you have prior experience in Flutter development, particularly in building registration and login systems, and implementing notification systems. A solid understanding of backend technologies and API integration is also essential. Please note that I've already prepared a design for...

I am seeking a skilled web developer who can recreate a link with photos on my current site and optimise it for PHP 7.1 or earlier hosting options. Key Project Aspects: - The appearance of the new site should, as far as possible, resonate with the current one. However, some differences are acceptable. - The successful candidate should be capable of working with a variety of hosts, including shared, cloud and VPS hosting. - The new site must feature a user-friendly format that supports photo uploads. Ideal Skills and Experience: - Expertise in web development, including backend development using PHP 7.1 or earlier. - Familiarity with different hosting environments and best practices. - Experience in designing user-centric interfaces for photo uploads. I look forward to...

I'm in need of a web developer skilled in Python Flask. The purpose of my project is to build a web application with specific functionalities. The deliverables for the project are: 1. Flask Backend: - User authentication - Database integration - API development 2. Bootstrap5 Theme Customization: - Layout modification - Integration with Flask backend and MySQL database Ideal candidates with robust experience in Python Flask, layout modification and database integration will provide an immense value to this project. Your expertise would facilitate a smoother workflow and better end product outcome.

need laravel and firebase developer to fix loading website

I am in need of an experienced developer who can work on creating a custom Outlook calendar API. This API should have some specific functionalities and integrations that I need to make my workflow more efficient and effective. Key Project Requirements: - **Event Synchronization**: The API must be able to seamlessly sync events across various platforms and devices. - **Event Creation and Deletion**: I need the API to enable easy and quick event creation and deletion. - **Reminder Notification**: This API should also be capable of sending out reminder notifications for important events. Ideal Skills and Experience: - **Node.js**: As I prefer this platform for the development, experience with Node.js is a must. - **Outlook API Familiarity**: Prior experience with Outlook calendar API...