PHP Jobs

I'm looking for a Flutter developer to integrate PhonePe's UPI payment gateway into my existing betting app. Key Requirements: - Integrate PhonePe's UPI payment gateway into the Flutter app - Set up the UPI payment gateway to allow users to add money for points in the betting app - Ensure the UPI payment plugin is fully functional and secure on Android platform I don't have the necessary API credentials and documentation from PhonePe for integrating their UPI payment gateway, so part of the task will be to obtain that information. Ideal Skills and Experience: - Proficiency in Flutter with a track record of successful app integrations - Experience with UPI payment gateway integration - Familiarity with PhonePe's API and documentation (although this is not a stri...

Create landing pages on our site for each of the exhibition venues in 8 European countries. In total there are 120 landing pages, very simple. each landing page must have: 1- Description of the exhibition site (CHATGPT- verified) 2- Address of the fairground, web of the fairground (no follow) also verified 3- A picture and a logo of the venue (we will provide the picture) 4- A google maps field indicating the venue. (verified) 5- A table with the fairs that take place at the venue (we will provide the link to each table, that will be already on our site) 6- We will need to set link 4 keywords per page linked to different parts of our site (4 links) 7- We will provide the template of page to use (is one of our elementor templates) 8- We will need to set the h1, h2,h3, and the page title ...

I'm looking for a skilled developer who can help me create a cutting-edge, highly functional cryptocurrency exchange. Key Features: - The core focus of the exchange will be a robust trading engine. - The platform should also support user registration and management. Security: - While I'm open to suggestions on the security front, I'm keen on incorporating best practices to ensure the safety of the trading platform and user data. Ideal Skills: - Proficiency in cryptocurrency exchange development. - Understanding of trading engines and how to optimize their performance. - Previous experience in creating secure digital platforms is a plus. Please provide examples of similar projects you've worked on and share your approach to security in your bid.

I'm on the lookout for a proficient website developer, well-versed in creating efficient corporate websites. The principal purpose of this corporate site is three-fold: 1. Providing detailed information about our company. 2. Streamlining and strengthening our sales/conversion. 3. Opening a direct channel of interaction with our customers. 4. The website you'll be developing will primarily host a variety of products and its product related blogs, Sample ordering. As a web developer, your responsibilities will include constantly updating these sections. We need a developer with superior communication skills, capable of understanding our needs and incorporating them into the site. take a sample website Ideal skills and experience for this role include proficiency in back-end...

I am seeking a skilled freelancer proficient in both web and graphic design, specifically for the purpose of developing a website. Key Responsibilities: - Develop a visually appealing and user-friendly website - Integrate web design elements that match our brand identity - Implement graphic design elements to enhance the website's aesthetic appeal Ideal Skills & Experience: - Proficiency in web design and development - Strong graphic design skills with an eye for aesthetics - Prior experience in creating websites for branding purposes - Ability to implement a cohesive design that reflects our brand identity Please note that while mobile-friendliness is not a requirement for this project, you should still be able to produce a professional-looking, functional website.

I need a proficient WordPress developer who can aid in customizing the product pickup address on a WooCommerce website that caters to courier services. Key tasks include: its a pickup and delivery service ,so we need to set pickup address as a customer address like customer home address or office address etc, our delivery boy collect product from customer address and delivery to another address as per customer request The ideal candidate should have: - Expertise in WordPress and WooCommerce. - Strong experience in theme customization and plugin development. - Solid understanding of website migration. This project has to be completed ASAP, thus, I am looking for someone who can prioritize it and work efficiently.

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I need to transfer my website to a new host, and I'm seeking an experienced professional to help me with this task. Key requirements and responsibilities include: - Ensuring a smooth and seamless migration without any downtime or loss of data - Verifying that all functionalities of my website are properly working post-migration - Providing guidance on any necessary DNS changes or domain transfer process Ideal candidates should have: - Proven experience in website migration, particularly with the platform on which my site is built (please specify your experience in your bid) - Strong communication skills to explain the process in a clear manner

I'm in need of a skilled mobile app developer to create a cross-platform accounting application for me. The application should be primarily focused on accounting functionalities. Key Requirements: - Development for both iOS and Android platforms - The main functionality of the app should be around accounting - The app should specifically include features such as: - Expense tracking - Invoicing and billing Ideal Skills and Experience: - Proven experience in developing and deploying cross-platform mobile applications - Strong background in accounting software and functionality - Familiarity with incorporating and customizing features like expense tracking and invoicing in mobile apps - High proficiency in coding for iOS and Android Please include examples of similar apps you'...

Hello, I'm looking for a programmer for my project. C++ and possibly Java experience. I have already programmed my idea as a demo version in HTML on my website, now I need someone to implement it as software. In the future, the whole thing will be programmed on a screen including a touch screen, so that we have a finished device including a screen and buttons. Since this is a prototype and I need more versions, a permanent collaboration would be possible. I look forward to your offers. Best regards

I'm seeking a skilled developer to construct a detailed and efficient web application that will manage the docking of vehicles based on set priorities in real-time. Here's a detailed breakdown of the project: - Programming Language: The web app is to be developed using JavaScript, so proficiency in this language is essential. - Real-Time Updates: Real-time updates are a crucial aspect of this project, meaning that the system should be able to allocate vehicles to docks swiftly and efficiently as priorities change. - Dock Management: The core function of the application is to manage the docking of vehicles based on the priority given for each against time (backend). This includes real-time adjustments as priorities change. - Google Sheets Integration(additional): The system shoul...

I'm looking for a skilled professional with experience in automation and web applications to support me in automating a task creation process within a TodoMVC project. Key Requirements: - Automating task creation in TodoMVC: I need help creating a script that can automate the task creation within the TodoMVC project. This is a critical part of the project that requires precise and efficient automation. Ideal Skills: - Automation: Proficiency in creating automated processes is essential for this project. Previous experience in automating tasks in web applications will be highly beneficial. - Web Development: A strong background in web development, particularly with TodoMVC, is preferred. Familiarity with the application will enable smoother and more effective automation. - Attention ...

I'm in need of an expert proficient in both Laravel and MQTT protocol. The primary goal of this project is to enhance the communication capabilities of IoT devices through the integration of MQTT into our Laravel-based application. Key Responsibilities: - Integrate an existing MQTT server with our Laravel application to enhance IoT device communication - Ensure real-time data exchange and synchronization capabilities - Implement push notifications as necessary Skills and Experience Needed: - Proficiency in Laravel framework - Prior experience with MQTT protocol - Demonstrated expertise in building scalable messaging systems - A strong understanding of IoT device communication - Excellent problem-solving and communication skills

My WordPress website is down due to a lost connection with the database system within my VPC on AWS. I need an AWS expert who can fix this issue quickly and efficiently. () Key Tasks: - Investigate and identify the cause of the database connection loss - Implement necessary changes to restore the connection and ensure the website is back up and running - Provide recommendations and best practices to prevent this issue from recurring in the future Skills and Experience: - Proficient in AWS VPC configuration and troubleshooting - Extensive experience with WordPress CMS - Strong knowledge of database management and connections - Ability to work efficiently under pressure to resolve the issue quickly I'm looking for a professional who can handle this task promptly and effectively.

I'm seeking a skilled software developer to create a customised software solution for my construction company. Our primary goal is to address the inefficiencies in our current system and enhance overall company efficiency through streamlined processes. Key objectives of the project include: - Designing a user-friendly interface: The software should be intuitive and easy to use for all team members regardless of their technical background. - Enhancing efficiency: The new software should improve the flow of work, reducing manual input and automating repetitive tasks. - Real-time data access: The ability to access real-time data is crucial for our project management, and the software should also have capabilities for data analysis. Ideal candidates will have: - Proven experience in dev...

I'm in need of a professional web developer with experience in creating websites for fintech startups. The goal of this project is to design and develop a website that offers fintech solutions. Key Requirements: - The website should include the following pages: About Us, Our Team, Home, Products, Innovation, and Insights. You'll be responsible for creating these pages and ensuring they are cohesive. - The visual aesthetic of the website should be professional and corporate. It's crucial that the design aligns with our brand identity and the expectations of potential investors and clients. Ideal Skills: - Proven experience in website development, particularly for fintech or financial markets. - Strong design skills, with a portfolio that demonstrates an ability to create...

I'm in need of a task management system that can seamlessly integrate with QuickBooks to pull customer data. This system should also allow for manual entry of new clients. Additionally, I'd like the system to include task assignment and management features, alongside deadline reminders. Key Features: - Integration with QuickBooks to pull customer data - Manual entry of new clients - Task assignment and management capabilities - Email updates on project statuses - Deadline reminders The design and user interface should be colorful and visually appealing, ensuring an engaging experience for both my team and clients. Ideal Skills and Experience: - Proficiency in QuickBooks integration - Strong background in task management system development - UI/UX design expertise with an emp...

I'm looking for a skilled Flutter developer to create an app I am open for Jr developer, and only individual freelancer

I'm seeking a proficient Openswoole developer to create a live chat system with specific functionalities. The main aspects of this project include: - Real-time Communication: The core of this project is to develop a live chat system utilizing Openswoole to ensure seamless and real-time communication between users. - Platform Compatibility: The widget needs to be compatible with WordPress, Shopify, and Wix. - Easy Embedding: The widget should be easily embeddable on various websites to ensure a smooth integration process. - Customizable Design: I require the widget to be customizable. - Key Functionalities: The live chat feature should include file sharing and chat history. The ideal candidate for this project should have strong expertise in Openswoole, PHP, and live chat system d...

I'm searching for a skilled development team to help us create a betting website with a focus on live betting functionality. Key Requirements: - The website should have user accounts: users should be able to sign up, log in, and place bets. - Ideally, we would like to include a registration process that is simple and user-friendly. The ability to sign up using existing social media accounts is a plus. - Live Betting: The website should offer live betting options. Users should be able to place bets while games are ongoing. - The live betting functionality should be seamless, with minimal lag, to ensure the best possible user experience. Ideal Skills and Experience: - Prior experience in developing betting websites is highly desirable. - Proficiency in relevant programming langua...

i have to creat a heart risk prediction system using machine learning. my syste is used y hosptal. admin , doctor and patient are my will train the modal, predict the risk. patient will see all the results after they user must have 9 menu.

I am in search of an experienced developer to build a web application integrated advanced machine learning capabilities. This project includes: - Developing a comprehensive user registration system. - Implementing a resilient live chat feature. - Incorporating advanced machine learning algorithms. The machine learning aspects should include, but are not limited to: - A recommendation system, tailoring user experience based on past interactions or preferences. - Data analysis and prediction capabilities to provide useful insights and future predictions. The ideal freelancer will have: - Prior experience in web application development. - Proficient understanding of machine learning algorithms. - Familiarity with developing user registration systems and live chat features. - Demonstr...

I need a landing page that can effectively convert visitors into leads. The page should include the following elements: - Contact Form: A simple but effective form that gathers visitor information. - Testimonials: Positive feedback from previous customers to build trust. - FAQ Section: Clear answers to common doubts or questions visitors might have. - Service Display: I am looking for a carousel/slider layout to showcase our services. The ideal candidate for this project should have: - Experience in landing page design, particularly with lead-generation in mind. - Proficiency in integrating and customizing contact forms. - Ability to create compelling testimonials templates. - Skills in designing clear and user-friendly FAQ sections. - Proficiency in carousel/slider layouts for service d...

Simply install a new Wordpress edublink theme with Demo content to have all functions installed. Next step is to modify text and content with inspiration from the mother brand (website)

Company Overview: Join Overcross, a leader in the travel industry, as we innovate to provide first-class travel experiences. We are enhancing our technical capabilities and are in search of a Laravel Programmer to support our backend development with secure, scalable solutions. Job Description: We are looking for an experienced Laravel Programmer to develop and maintain our platform’s backend. The candidate will play a key role in integrating cutting-edge functionalities like Chat GPT for real-time communication, managing large-scale databases, and ensuring robust data security. Responsibilities: • Develop and maintain the Laravel-based backend for a multi-lingual, multi-currency platform. • Integrate and manage third-party services and APIs, including news feeds, currenc...

I'm looking for an Excel expert to create a custom software for me. The software should primarily focus on automating spreadsheet tasks and presenting data in a visual manner. Key Requirements: - **Spreadsheet Automation**: I'm seeking a solution that can automate various tasks within Excel, reducing manual work and minimizing errors. - **Data Visualization**: The software should also have the capability to visualize the data from my local files. The visualizations should be in the form of static charts and graphs. Ideal Skills and Experience: - Advanced Excel Skills: You should have extensive experience with Excel, including creating complex formulas, using VBA for automation, and chart creation. - Data Visualization Expertise: A strong understanding of data visualization tec...

We are lllEBZlll Publishing, a dynamic publisher specializing in coloring books. We are seeking a talented web designer to create a vibrant and user-friendly website that aligns with our creative vision and caters to our audience’s needs. The website should be visually appealing, easy to navigate, and functional. Project Requirements: Homepage: Eye-catching hero section featuring a popular coloring book. Brief introduction about lllebzlll Publishing. Showcase 3-4 featured books with thumbnails and links to their Amazon listings. Quick sign-up form for the mailing list. Navigation Menu: Home Coloring Books List of books with thumbnails, titles, brief descriptions, and Amazon purchase links. Free Coloring Pages Gallery of free downloadable coloring pages. Downloadable Books List of...

I require a dynamic individual or team to develop a tool directory website that fully replicates the The site should include a backend admin panel that enables me to: - Add, edit, and manage tools listed - Generate, add, and manage team members - Affiliates management for website. - Advertise panel for web tool owners to showcase their brand. - The site needs to have the following functionalities: - Need suggestion on UI interface. - Search functionality to help users find different tools - A rating and review system to help provide feedback and user experiences - Categorization and tagging, ideally by different categories as opposed to alphabetically or by popularity Team members created should have full functionality managing all tools listed on the website. Th...

I need a system for an IoT-based project in which a WiFi module will share data to an SQL server. This needs to function within a SAAS environment with subscription per device. Main features include: - Admin and User Modules - Managed subscriptions per device - Real-time data alerts In the Admin Module, the following functionalities should be available: - User Management: Admin can manage and monitor users - Device Permissions: Admin can determine how much data a user can view - Monitor Device Data: Admin can view data from all devices - Payment Module: Ability to process transactions For the User Module, users should be able to: - View specific device data as permitted by the administrator - Receive alerts via data changes - Make payments for their subscriptions The ideal freelancer w...

I'm in need of a dedicated Php Programmer with extensive Drupal experience. The key responsibilities of this role include: - Carrying out weekly website maintenance. - Regularly updating the website. - Fixing bugs that might arise. These tasks demand strong Drupal customization skills and an expert understanding of Php. A background in both custom module development and theme customization will come in handy for potential nuances in the job. Your ability to deliver on time each week is also crucial. A history of similar projects will be highly beneficial.

I'm seeking a skillful programmer to develop a comprehensive Data Encryption Standard program using Java. Key Project Details: - The program should strictly adhere to the Data Encryption Standard algorithm.

This project requires the service of a skilled programmer, ideally someone with full stack capability. The task requires you to install the to our website, and integrate with Paid Membership Pro , to track and allocate commission appropriately to the referral. All of these capabilities which are possible within the Affiliate membership Pro plugin must be tested to be working properly after the integration: 1. Install and verify that referral are getting appropriate referral commission Scenarios: user X invites user Y. User Y signed up straight to a paid membership pro, then user X get commission User Y signed up to a free membership plan, and user X does not get commission User Y upgrades from free membership plan, then user X get commission. User Y renews their membership ...

We are looking for developer team for End User IPTV App for all android device ( TV, STB, Mobile… ) to work with MINISTRA (ex Stalker ) middleware. App must be able to handle all the audio and video codecs of live TV channel stream. Must display EPG. App must be able to play VOD Content, with pause, rewind, forward, subtitles, audio selection and resume support options. Must be able to play radio station from our portal. Must be able to play all data sharing encryptions ( like nginx and apache2 .htpasswd ) Please only contact if you have experience working with such project. Or if you already have app and we can modify it as per our need.

I'm in need of a skilled developer to create and publish a utility application for Android focusing on task management. This app will also need to be monetized through various ads. Key Responsibilities: - Develop a utility application on Android that offers robust task management capabilities - Implement ad integration to monetize the app - Ensure the app runs smoothly and is user-friendly Ideal Skills: - Proficient in Android app development - Experienced in task management app creation - Knowledgeable in ad integration processes - UI/UX design skills to create an appealing and user-friendly application

**Description:** Hello Freelancers! We are seeking a dynamic and skilled freelancer to assist us in creating a dedicated website. Our goal is to develop a bespoke website that clearly reflects our ideas and objectives. **Project Specifications:** 1. 100% Custom Website: We require a completely new, ideal, and unique website. We do not want the use of any pre-existing templates. This website will showcase our brand and objectives with excellence. 2. Responsive Design: The design of the website should be such that it appears correctly on all devices (desktop, laptop, mobile, and tablet). Priority is given to responsive design. 3. User-friendly Interface: Our aim is for the website to be easy to understand and navigate. While keeping user experience in mind, the interface should be simp...

I'd like to hire a developer to implement a design I have for a website and its corresponding mobile applications on Flutter for both Android and iOS. I need the project to be developed as a WebApp, an Android App, and an iOS App. Key requirements: - Both the web version and the mobile applications should closely follow the design provided in the link. - The primary goal of the website is to manage our manufacturers and distributors of our products, so a seamless shopping experience is crucial. - I do already have payment gateways set up for the website, so integrating it into the design you develop is important. Ideal skills and experience for this job include: - Proficiency in web development, especially in implementing designs. - Strong experience in developing mobile applica...

I am in need of someone who can provide me with motivational resources to support my endeavors in achieving personal growth. Key tasks include: - Providing texts, videos, audios, or any other forms of resources that motivate and inspire. - Regularly updating these resources to ensure their effectiveness and relevance. - Assist me in the application of the motivational resources in day-to-day living, with the ultimate aim to enhance my strength, both mental and physical, as well as my overall health. Ideal Skills: - Experience in motivational speaking or coaching - Understanding of psychology or personal development - Resourceful and creative in procuring or creating motivational materials - Excellent communication skills This is not just a job for me, it's a journey. I invite ...

I need a skilled freelancer to build an information based website. This website will serve a crucial role in sharing our company's background, the services we offer, and our contact information. The upcoming workshop updates, testimonials and product purchasing options should also be showcased in an engaging and intuitive manner. The main purpose of this website is to share information, so the design should focus on delivering this in a clear and user-friendly way. • Desired Skills and Experience: - Proven track record in website design, preferably for information based websites. - Talented in creating intuitive user interfaces. - Experience with e-commerce integration to allow for product purchases. In summary, it's critical for the chosen freelancer to cr...

I'm currently facing an issue on my website where frequent database connection errors are appearing. I'm seeking a knowledgeable and experienced professional who can address this problem diligently and efficiently. Key tasks will include: - Identifying the source of the database connection error. - Implementing a robust solution to eradicate these errors permanently. The ideal freelancer for the job is someone with: - Proficient understanding of database maintenance and troubleshooting. - Proven experience in debugging and fixing similar issues. - Ability to work independently and communicate progress effectively.

I'm in need of an experienced web designer who can bring my vision to life. Here's what I'm looking for: - An information-based single-page scrolling website. - The site is to include the following sections: 'About us', 'Services', 'Contact information', 'Testimonials', 'Upcoming Workshop', and 'Donate'. - I value usability and modern, attractive design. - Skills in Wordpress or any other modality that will help me to update information about upcoming workshop and events on my own - Edit about us page as business grows on my own Please place your bid with examples of prior work similar to this. I look forward to partnering with you on this project.

I'm looking for a WordPress expert who can help me with a specific issue on my website's menu. Key Task: - Fix the issue with the menu not displaying properly Ideal Skills and Experience: - Strong understanding and experience with WordPress - Proficiency in CSS and responsive design - Ability to troubleshoot and fix menu display issues - Familiarity with modern and clean web design aesthetics

I am in need of a skilled developer to create an admin panel for my booking application. My goal is to have a user-friendly, efficient and secure system that would support multiple user roles. Key requirements: - The admin panel should be secure, user-friendly, and efficient. - It should support multiple user roles, such as Super admin, Admin, and Manager. - Landing screen - Login/Logout - Reporting screen for daily and historical activity(charting and graphing would be required) - Search and filter screen - Revenue meter - Occupancy data - Pass management screen (new passes creation, activation and cancellation) - Pre allotted booking list (make entry for all allotted vehicle) - Price management (pricing for Peak and lean hour ) - Operator management (creation, activation and cancellatio...

I'm looking for a skilled website developer to create a mental health website with the following features: - An online forum for community support - A resource library with articles and videos - An appointment booking system for therapy sessions - Screening tools - Online session capabilities - Access to various resources The ideal candidate for this project should have experience in developing clean and modern websites, with a special focus on user experience. Proficiency in integrating and customizing features for community engagement, appointment management, and content management would be greatly beneficial. Given the sensitive nature of mental health, a good understanding of privacy laws and data security is a definite plus.

I'm in need of an experienced website developer to build a blog website that will require daily content updates. This website should have a search functionality to help users easily navigate through the content. Key Requirements: - Blog Website: The primary function of this project is to create a blog that accommodates daily content updates. - Search Functionality: A search feature should be integrated to make content navigation more effective. Ideal Skills/Experience: - Proficient in Website Development: The ideal candidate should have extensive experience in developing websites. - SEO Knowledge: Knowledge of Search Engine Optimization (SEO) is a plus as it could help the blog gain more visibility. - User Experience: Prioritize user-friendly design and intuitive navigation. Your...

I'm looking for a skilled website developer to create a sleek and user-friendly blogging website. The main focus of the website will be to provide educational content in a variety of fields. Key Requirements: - Development of a Blogging Website: I need a well-structured, modern blogging website that is easy to navigate for users. - Social Media Integration: Social media sharing and integration tools are essential for this project. - SEO Friendly: The website should be optimized for search engines to increase visibility. - User-Friendly Interface: A clean, intuitive design that allows easy access to a variety of educational content. Please showcase your experience in developing similar websites. Knowledge of SEO optimization and social media integration is a big plus.

I'm looking for a skilled web developer to create a gaming website that supports both single-player and multiplayer games. I aim to reach a broad audience, including desktop and mobile users, so the site must be fully compatible with both platforms. Key requirements for the project: - Compatibility: The website must be responsive and functional across all screen sizes, ensuring an optimal gaming experience for both desktop and mobile users. - Versatile: The site will host both single-player and multiplayer games, so the developer should have experience in creating platforms for both types of games. - Creative Design: While I don't have a specific design in mind, I am looking for a developer who can create an appealing and user-friendly layout for the website. Ideal skil...

I'm in need of a WordPress expert who can take on two key tasks for my website: website development and website maintenance. Your skills should ideally include: - Proficiency in WordPress plugin development, with a focus on creating a professional and formal contact form. - Experience in website migration, ensuring a smooth and seamless transition. - Expertise in website maintenance -Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery -Experience building user interfaces for websites and/or web applications Your contribution will be central to the enhancement of my website's interactive interface. I anticipate a project that combines technical rigor with a keen eye for formal, professional design aesthetics. Let's turn this vision into r...

I am in search of a seasoned web designer to create a series of corporate websites for my company group in Greece. Key Project Details: - The project involves designing multiple corporate websites, estimated between two to five in total. - The primary objective of these websites is to showcase our range of services and products to potential clients. Responsibilities: - Develop visually appealing and user-friendly corporate websites. - Ensure the websites are optimized for performance and are responsive across devices. - Incorporate our company's branding and design aesthetics into the websites. Ideal Skills and Experience: - Proven experience in designing corporate websites. - Understanding of UX/UI design principles. - Proficiency in working with web design tools and technologies...

Estoy buscando un desarrollador web/de aplicaciones para hacer realidad mi visión de una guía turística multilingüe. Esta aplicación progresiva debería funcionar igualmente bien en la web y como aplicación independiente, mostrando características básicas como: - Mapas interactivos para una navegación de ubicación más sencilla. - Acceso sin conexión al contenido, lo que lo hace práctico para viajeros en áreas con poca o ninguna conexión a Internet. - Recomendaciones personalizadas para atraer a los usuarios con el contenido más relevante para sus intereses. Esta aplicación debe admitir 5 idiomas: inglés, español, francés, alemán y ruso. Es...

Skip Bin Software System Developer Location: Auckland, New Zealand (Remote) Company Description: We are a forward-thinking skip bin business in development, based in Auckland, New Zealand. Committed to revolutionizing waste management solutions, we are seeking a skilled Software System Developer to create an integrated software solution for optimizing skip bin operations. In addition to developing the software system, we will also require the development of a website that seamlessly integrates with the software. Job Description: As a Freelance Skip Bin Software System Developer, you will lead the development of a comprehensive software system to automate skip bin operations and optimize efficiency. In addition to developing the software system, you will be responsible for design...