Digi xbee html python sample gateway jobs

I'm in need of a skilled developer to create an intelligent transaction monitoring platform with big data capabilities, s...to ensure seamless operation. Target Audience: This platform is primarily aimed at banking and financial institutions, as well as e-commerce companies. Preferred Technology Stack: - Java & Python for the core of the platform. - Big Data technologies for processing large volumes of data. - In-Memory DB for fast data storage and retrieval. - Drools & JBPM for fraud detection and management. The ideal candidate should have experience in developing similar platforms, with a solid grasp of real-time monitoring, fraud detection, data visualization and big data technologies. Strong background in Java, Python, with a good understanding of Drools...

I'm looking for a React and developer that integrate a Partical background to our website ASAP. We found this interesting sample: Although it looks like Vanilla implementation, we want it to be integrated into our react landing page. We are looking for someone to integrate the background exactly as it is just without a loading spinner at the top of our landing page instead of the big blue banner on our website:

I need assistance in creating a Python script that can dial a number through a VoIP service using the VCDial setup I have. The code should also play a pre-recorded message when the call is connected. The operating system I am using is Windows. Key Requirements: - Develop a Python script that can interact with the VCDial setup for dialing numbers. - Integrate the functionality to play a pre-recorded message once the call connects. - Ensure the script can run smoothly on a Windows environment. Ideal Freelancer: - Proficient in Python programming, with experience in telephony and VoIP setups. - Familiar with VCDial or similar systems. - Able to work effectively on Windows OS. - Prior experience in creating automated call systems or call centers would be a plus. My bud...

Application code to implement Roomio as a web application in python. You will use the table definition posted at the end of this document.

...development of a user-friendly, responsive e-commerce site - Integration of Shopify's e-commerce platform - Product listings and categorization for Clothing and Accessories, as well as Electronics and Gadgets - Payment gateway integration - Mobile optimization Ideal skills and experience for this job: - Proficiency in Shopify development - Understanding of e-commerce and online consumer behavior, particularly for young adults - UI/UX design skills for an engaging e-commerce experience - Knowledge of product categorization and listing optimization - Prior experience with payment gateway integration - Ability to optimize the website for mobile devices Please provide examples of similar e-commerce websites you have built on Shopify, and a clear breakdown of your propos...

I am looking for an advanced AI expert who is proficient in Python to help me understand and manipulate a developed Python package on a tutoring basis. The link of the package is: I am interested in the cylinder problem here: Key Responsibilities: The tutor should help me to make changes in the code, track the flow of the data, know the dimensions of the data, debug errors that I may encounter, and how to create more figures as well. Level of Expertise: Advanced. It's important that the tutor is proficient in AI and Python, and can guide me through the learning process at an advanced level.

I'm seeking a specialised CodeIgnitor and phpMyAdmin expert to enhance my betting website's backend. As part of a 5-hour daily commitment, the role involves: - Integrating a UPI payment gateway in the admin panel. I've chosen Google Pay as the preferred UPI platform. - Setting up data analytics and reporting, crucial for measuring and optimizing our betting system's performance. Prior experience with betting sites, UPI integrations and systems reporting is desirable. If you're a driven problem solver who enjoys developing sophisticated functionalities, I'd love to hear from you.

I need a talented VB.net developer with a strong background in SQL Server. Key Responsibilities: - Develop software applications using VB.net - Efficiently manage databases - Designing, coding, testing, and debugging software applications using VB.NET. - Calling third-party API - Payment gateway integration - Stored Procedure Ideal Candidate: - Proven experience in VB.net development - Strong familiarity with SQL Server - Good problem-solving skills - Ability to work independently and meet deadlines. Please provide relevant work samples in VB.net development and describe your experience with SQL Server.

I need a professional freelancer to design an HTML form for my website. This form must have: - Text fields for basic information collection - Dropdown menus for selection options - Capture creation The form should be designed with user-friendly, visually appealing elements. Your role will also include: - Implementing validation requirements for all input fields. This will ensure that the user completes all the required fields in the correct format. - Integrating an email script that will automatically send a reply to the submitter. This is an essential feature for my project. Ideal Skills and Experience: - Proficiency in HTML and CSS for form design - Experience in creating and implementing form validation - Knowledge of backend scripting languages for email automation -...

I'm looking for a Python expert to help me set up a pipe network simulation and analyze the pressure data for detecting potential water leaks. The primary goal of this project is to simulate a water pipe network and subsequently identify potential leaks using pressure drop analysis. The simulation should be able to model the flow and pressure properties of a complex network of pipes. Key tasks: - Setting up the pipe network simulation using Python - Conducting pressure drop analysis for leak detection - Providing an intermediate level of detail in the analysis report - this should include the locations and estimated sizes of the potential leaks Ideal candidates for this project should have: - Proven experience in Python programming - Understanding of hydrauli...

I need a proficient Python expert to scrape recipes from a designated website to an Excel sheet. The project needs to be completed as soon as possible. You can use this open-source working scraper Key requirements: - Scraping recipe information (name, ingredients, cooking instructions, nutrition facts) from a specific website. - Outputting the scraped data in a well-organized Excel sheet. Ideal skills for this project include: - Proficiency in Python for web scraping. - Familiarity with scraping data from websites. - Excellent organizational and data management skills for outputting the data in Excel. If you can deliver this quickly and efficiently, please feel free to bid.

I am seeking a skilled developer to create a dynamic HTML website for my e-commerce venture. Key Project Components: - The primary goal of this project is to establish an online store that is user-friendly, visually appealing, and responsive across devices. - I'd like the website to be designed with a comprehensive e-commerce setup, capable of handling product listings, shopping cart functionality, and secure checkout processes. Key Requirements: - Previous experience in e-commerce website development. - Proven expertise in HTML and delivering responsive websites. - A thorough understanding of e-commerce and online payment systems. - Ability to work within a tight deadline, with a targeted completion date of within a month. Note: The specifics of the payment metho...

I am looking for a skilled professional who can design an emulator for Windows platform. This emulator should primarily support the programming language Python, and should be able to cater to users who wish to use Python for completing assignments. Key requirements: - Platform: Windows - Main functionality: Assignment completion tool - Supported programming language: Python Ideal Skills and Experience: - Strong proficiency in software development, particularly in designing emulators - Proficiency in Python programming language - Experience working with Windows platform - Previous experience in developing educational tools or software is a plus

I am looking to fill a longterm editor position for multiple projects for my agency. I am run...raw footage, edit it and upload the edited videos in a separate folder. I expect a simple thumbnail that fits the ratio 1:1 on Instagram feed. All videos should be edited in 9/16 format for fullscreen experiences on IG Reels + TikTok.* *Please reach out to me here on “Freelancer ” and tell me a bit about yourself, your current situation and show me previous work.* ***Important***: *I expect a sample to quality check your work, if I find qualified for the position, I will provide you with the raw 60-seconds footage.* *Fluent English is a must + you must be able to jump on a Zoom call to go through the onboarding process(webcam is a must).* *Daily reports are expected whenev...

...transformation to leave an impression on potential partners and clients. Your task would be: - Implementing a modern design style across the presentation to ensure its engagement with the corporate world. - Emphasise image selection. Images play the main role in this Project. They need to be intriguing and powerful, reflecting the uniqueness of our work at Sniper Action Photo. I will provide all of the sample images. - While the main focus is on the images, typography and color schemes should not be overlooked. They should complement the images and strengthen the overall visual appeal of the presentation. Ideal Skills and Experience: - Excellent understanding of aesthetic and modern design style. - Proficient in PowerPoint (Or Canva or other tool) and graphic design. - Strong ...

...processing. - Calendar View for Schedule: A clear and organized view of the availability of service providers. - SMS Reminder: Automated reminders to reduce no-shows. - Partial Section for Advertisement: A space for beauty professionals to promote their services. Ideal Skills: - Experience in developing multi-platform applications. - Proficiency in user-friendly design. - Knowledge of secure payment gateway integration. - Previous experience with calendar-based applications. - Understanding of SMS integration for reminders. - Ability to implement advertising sections within an app. Please provide examples of previous work, particularly in the appointment booking realm. Your understanding of the beauty industry and its unique appointment booking requirements will be a plus. Let&...

... PWA: For the design of our Progressive Web App, we used the OpenTable application as the inspiration. Similar applications that have the same functionality as our sites are: Airbnb Zillow Our application currently has approximately 20 screens and includes payment processing through our own custom gateway. QUALIFICATIONS Minimum 4 Years experience with Mobile App development, with at 2 years of experience with Flutter framework Provide at least THREE (3) live and working Mobile Apps that you have developed using Flutter or React Native Strong familiarity with both iOS and Android development environments, SDKs. Previous experience implementing user authentication systems. Experience with in-app

...decisions, I am seeking an expert to create a data analytics tool from scratch using ReactJS and AWS. The tool will analyze an array of data sources and present the results using insightful visualization techniques. Here are the requirements: - Implement Amazon Cognito for user authentication and authorization - Utilize AWS Amplify for the app's development and deployment - Integrate AWS API Gateway for efficient data exchange - Integrate Stripe for payments. Need complete flow Our tech stack looks like: - Amazon Amplify for app backend, and front end - Gatsby JS coupled with AppSync for front end - Amplify UI and MUI Material for UI components Features that I need: - End to end user journey - from login/registration to offering profile capture, to custom subscriptions -...

Project Overview: We are looking for a talented web developer or development team to transform our Excel workbook into a dynamic subscription-based web application. This workbook is integral to the operations of multiple educational institutions, featuring data management, automated calculations, and reporting capabilities. Project Goals:...volumes of data with the capability to scale as user base and data grow. Interactive Reporting and Dashboards: Tools for generating customizable reports and dashboards that can adapt to new data inputs and formats. Automated Workflow Integration: Convert existing Excel macros into automated digital workflows in the web environment. Payment and Subscription Handling: Integrate a flexible payment gateway to manage different subscription levels and...

I’m seeking a full stack web developer with proficiency in HTML, CSS, JavaScript, Python, Ruby, PHP, Node.js, and React to create a comprehensive hotel booking website. The primary aim of this project is to offer a user-friendly and efficient space for users to book hotels while enjoying a smooth and seamless experience. Features desired include: - Search functionality to enable effortless hotel discovery - Booking management to track and manage users' bookings - Incorporation of customer reviews to enhance customer confidence and choices - Integration of online payment solutions for smooth financial transactions - A Room availability calendar for easy checking of room availability - Multi-language support to cater to a global audience - A chat bot for 24/...

I need a skilled freelancer to extract table data from a PDF file. The extracted data will be used for analysis in a Microsoft Excel spreadsheet. Key Requirements: - Extract tables from a PDF - Ensure data quality and integrity - Deliver the data in a Microsoft Excel format Ideal Skills: - Proficiency in PDF data extraction - Strong understanding of tab...Excel spreadsheet. Key Requirements: - Extract tables from a PDF - Ensure data quality and integrity - Deliver the data in a Microsoft Excel format Ideal Skills: - Proficiency in PDF data extraction - Strong understanding of table structures - Experience in working with Microsoft Excel - Attention to detail and accuracy is crucial look attached PDF and EXCEL then Bid, start Bid writing PDF and sample attached. So I know you lo...

...Strong knowledge and experience with internet radio app creation would be highly advantageous - Exceptional understanding of the Android development environment and tools Freelancers who feel confident they can realise these requirements should get in touch. Please provide information on similar projects you've completed or skills that are particularly relevant to this project. Attached is a sample...

I'm looking for a skilled developer to integrate PayPal as the payment gateway and provide real-time shipping rates into my Odoo 17 platform. Additionally, I need to set up WhatsApp for customer support chat. Key Responsibilities: - Integrate PayPal as the payment gateway. - Implement real-time shipping rates. - Set up WhatsApp for customer support chat. Ideal Skills and Experience: - Proficient in Odoo 17 development. - Extensive experience in integrating PayPal. - Knowledge of setting up real-time shipping rates. - Prior experience in configuring WhatsApp integration for customer support is a plus.

I'm uncertain whether my Windows system already has Python installed. I require assistance to get it up on my system, if it isn't already there. Primarily, I am looking for someone to help configure a Python script that will carry out automatic reservations on a specific website. This role will ideally suite someone with: - Proficiency in Python scripting - Strong understanding of automation using Python - Experience in setting up Python on the Windows platform - Knowledge of web interaction through code, in particular, reservation processes. here is the link to the script and its dependencies. I will need to work with you on zoom live to do this. I have node.js on windows

...and short format videos and posts, specifically: - video frames, - subtitles stylings, - thumbnails, - background images, - circular character frames. These elements should be eye-catching, diverse, and tailored to each franchise's unique visual identity. - We are 2 people in this project, and we each need a thematic personal profile picture as well (current, non-thematic images attached as sample). These should be suitable for Facebook, Instagram, Discord, YouTube, Twitch and TikTok We are actively avoiding AI-made content, so please avoid its use - or keep it to a minimum. Ideal candidates for this project should have: - Proficiency in graphic design and animation, with a strong portfolio showcasing previous work in a similar context. - A deep understanding of the v...

...Sagemaker Machine Learning models. Key Requirements: - **AWS Services**: Your primary focus will be on utilizing Amazon S3 and Amazon Sagemaker effectively within the architecture. - **Programming Languages**: Familiarity with both Python and R is important, given that my models are built in those languages. - **Model Operations**: Your design should focus on enabling batch predictions and facilitate model training and retraining for the Machine Learning models. Ideal Skills: - Experience with Amazon S3 and Amazon Sagemaker are a must. - Proficiency in Python and R for fine-tuning or troubleshooting the models. - Familiarity with designing architectures for batch predictions and model training/retraining. - Strong understanding of DevOps principles and AWS best practices...

I'm on the lookout for skilled blockchain backend developers with proficiency in Python, JavaScript, and Solidity. Your understanding of Ethereum and experience in blockchain will prove to be incredibly valuable. The key features I need you to support in the blockchain backend are smart contracts and the development of decentralized applications (DApps). Ideal Skills and Experience: - Proficient in Python, JavaScript, and Solidity - Experience with Ethereum - Prior work in blockchain development - Knowledge of smart contracts - Proven experience in DApp development Your ability to deliver efficient and secure blockchain backend solutions, that facilitate the execution of smart contracts and the development of DApps, will be crucial for the success of this project.

Hi Unsa A., I would like to offer you my project. We can discuss any details over chat.

I'm looking for a skilled graphic designer to create a modern, visually appealing tri-fold menu for my pizza takeaway business. Content to be copied from our newly created website. I can provide sample menu card of our other store. It can be similar to that menu but design needs to be improved and eye catchy. Would be great if you can share sample of menu that you have. Timeline is very tight.

Hi, I am a python programmer and I am trying to learn how to code with the OpenHoldem framework, but since I have very little knowledge of C++, I feel a bit overwhelmed by the huge documentation, for this reason I am searching for someone with experience with OpenHoldem, and who already knows how to play poker to be able to understand what I want my bot to do, and transcribe it in code. I already have a warbot profile so I do not need a full poker bot from scratch. Details: - the bot is going to play spin (3 players) on a poker skin already available in the warbot list - it needs to adapt based on the opponents (I will provide with a list of players against whom it has to change some choices in game) -it needs to base its choices on a few specific decisional processes that I will ...

I am in need of a skillful audio engineer who can do a high-quality job in removing background noise and isolating the dialogue on an audio file. This task will specifically target an MP3 file. To produce a top-tier result, it is ...capability to fulfill this job. This is what I am looking for in my ideal freelancer: - Extensive experience in noise reduction and dialogue isolation - Capable of working efficiently with MP3 formatted files - High attention to detail - Ability to deliver the project in a timely manner If you can meet these requirements, I'd be glad to hear from you. Please include your experience and relevant sample works in your proposal. I wish to have this project completed as soon as possible without compromising on the quality. Let's create somethi...

Please Sign Up or Login to see details.

I'm currently seeking a skilled developer with extensive knowledge of HTML & CSS for immediate website development. This project won't include any specific functionalities like e-commerce platform or blog; we'll delve into those details once the overall website is developed. Key attributes: - Proficiency in HTML & CSS - Quick turnaround time - Strong communication skills - Ability to work under tight deadlines If you feel you can deliver this project in a timely manner, please don't hesitate to bid. I need this project to be completed ASAP. Let's get this job rolling!

I have a private football manager game online. Written in PHP and TWIG. The script has already been adapted to PHP 7 (from PHP 5). 1. Now it has been noticed that 1 function, 1 module does not work properly under PHP 7. This module needs to be adjusted. 2. I need a few minor adjustments and functions in the game and in the admin area. 3. Then ...area. 3. Then I would like to have a new module. A calendar where you can see the days and what matches you have on those days. (Read from the existing database and display). And with some functions. You have to know that every extension to this script will be written in modules. These are then copied into the directories and taken over by the main script. Who can help? Further information and sample images if you are interested and c...

I'm looking to develop an online payment website that will support transactions made using credit cards and bank transfers. The payment process should include collecti...to develop an online payment website that will support transactions made using credit cards and bank transfers. The payment process should include collecting the following user information: - Name - Email address - Phone number - ID verification The ideal site should be compatible with desktop computers, mobile devices, and tablets. I need an experienced developer who is familiar with payment gateway integration and security protocols. Experience with ID verification processes would be a plus. As reference, the website should be the same as - escrow.com Please list your estimated fixed price and work durat...

I need a Python expert with an ability to cover various functionalities as per the need. The project might involve data analysis, web scraping, automation, or could be anything else as per the project requirements. The ideal candidate should have: - Expertise in Python programming and its different libraries. - Experience with data analysis, web scraping, automation. - Strong problem-solving skills. While applying, please share: - Your past work related to Python programming. - Your Python programming experience level. - Detailed proposal of how you can assist in this project.

I'm in need of a comprehensive warehouse inventory replenishment tracking system for our Fastener drawer at Home Depot. The system should have a focus on reporting and ana...our data streams refresh every two weeks. and I will have two complete sets by then. After that, 30 days of testing, adds and changes, will follow. At this conceptual phase, it may not be a question of price, or product...... its probably going to be based on a simple reason to move forward ( like the developer has done it already with Home Depot, or a provided realistic not full functioning sample gets provided for assessment) Anything that has the name Crown Bolt 8979, a graph, a chart.... even done on the existing Ai created spreadsheet would be impressive to the stire lecel personel who will selec...

...Splitting: The freelancer will develop a Python script to split the large Excel sheet into smaller sheets based on schools. Each smaller sheet should contain data for students from a single school. WhatsApp Integration: The freelancer will integrate Twilio's WhatsApp API into the script to send the smaller Excel sheets to the WhatsApp numbers of school coordinators. Each coordinator's WhatsApp number is provided in the Excel sheet. Error Handling: The script should include error handling mechanisms to manage any potential issues during data parsing, splitting, and WhatsApp message sending. Documentation: The freelancer will provide documentation detailing how to run the script, including any necessary configurations and dependencies. Deliverables: Python script ...

I need a comprehensive HTML/CSS solution for my report pages. it must be clean code with easy names class and id's not generated with ai Key Requirements: 5 pdf files not just this one . - Create inputs: I'm in need of a web developer to build inputs that can be used to create a real report. - Input types: The report inputs should include text, number, and date inputs, as well as checkboxes and tables. - Layout: The layout of the report pages should be exactly as shown in the sample page I will provide. Ideal skills for this job include: - Proficiency in HTML, CSS, and JavaScript. - Experience with form creation and layout design. - Attention to detail to ensure the layout is replicated accurately. i have x5 reports needed to be done not just this 3

...Testing: Ensure the application is reliable, performs well, and provides a seamless user experience across different devices and browsers. Deployment and Maintenance: Deploy the application to a cloud environment and ensure its ongoing operation, including updates and troubleshooting. Required Skills: Proficiency in web development technologies (e.g., HTML, CSS, JavaScript, and a server-side framework like Node.js or Django). Experience with Python, particularly in data handling (pandas) and automation scripts. Strong background in API integration and management. Experience in handling databases (e.g., MySQL, MongoDB). Familiarity with AI and machine learning frameworks or APIs (experience with image generation APIs is a plus). Good understanding of cloud services (AWS, A...

...of a skilled WordPress developer with experience in e-commerce development. Key requirements: - I already have both domain and hosting, so your expertise on this matter is not necessary. - The primary goal of my website is to sell products or services online, so you should have proven experience in creating successful e-commerce platforms. - Specific e-commerce features needed include payment gateway integration, customer reviews and ratings, and the ability to post blogs. Your skills should include: - Proficiency in WordPress development - Strong understanding of e-commerce functionalities - Experience in integrating payment gateways - Ability to implement customer reviews and ratings system - Knowledge on how to create and manage blog posts Please provide examples of your ...

I'm seeking a talented video creator to produce 3 brief videos for a social media promotion. The ideal duration of each video should be around 30 seconds. Key requirements: - Video Duration: 30 seconds each - Total Videos: 3 - A sample video will be provided - Video should be animated character I'm looking to target the younger audience and garner their interest in the promotional content. The project is on a tight schedule, so I'm looking for a professional who can deliver these videos as soon as possible. Please keep in mind that the budget for this project is fixed, so no additional costs should be incurred. Ideal skills and experience: - Proven experience in creating engaging and professional social media video content - Ability to create concise and compe...

...activeness, e.g., staff working at the premise, loading/unloading of goods, etc. REQUIREMENTS: • Must be living in (or nearby) Kepanjen, Malang • Has a camera or phone/tablet of quality with a camera, internet access Please see the attached file for the site visit guideline. You are only required to deliver the pictures, video & observations and are not expected to put together a report like the Sample Report. Note: Milestone will be released the following week after the site visit to give us time to organize the report and contact you if we need additional clarification....

...working at the premise, loading/unloading of goods, etc. REQUIREMENTS: • Must be living in (or nearby) San Fabian, Pangasinan, Philippines • Has a camera or phone/tablet of quality with a camera, internet access Please see the attached file for the site visit guideline. You are only required to deliver the pictures, video & observations and are not expected to put together a report like the Sample Report. Note: Milestone will be released the following week after the site visit to give us time to organize the report and contact you if we need additional clarification....

We need to create a plugin that will handle the matching of products with the specific types of cars. The types of cars are actually the combination of the following data: CarTypeId - Maker - Model - Year - Ro...plugin should implement the following: DATA Import: A way to import data from Excel file (example file attached). The import file might contain data for many SKUs and should overwrite the data of every specific SKU. As a result all the matching of Cars to SKUs is actually done in the Excel file. Products Filtering: Ability to filter the products that are matched to cars according to the cars (sample image attached). To make things easier, the filtering of the products could be enabled only for specific categories of products and be presented only on pages of these product c...

I am looking for a skilled web developer who can create an e-commerce website from scratch...create an e-commerce website from scratch that focuses on user experience. Project features should include: - User Registration and Login: The website should have a secure, easy-to-use registration and login system to ensure security for our clients. - Payment Gateway Integration: To ease the purchasing process, a payment gateway should be integrated to handle all transactions. Specific skills and experience required: - E-commerce website development - Experience with user registration and login systems - Experience with payment gateway integration Please note that product types to be sold on the website are yet to be determined. This information will be provided later durin...

I'm in immediate need of a Python Django developer. Even though the specific tasks were not outlined, experience in database management, user authentication, and API integration would be advantageous. Whether you have front-end development experience is not crucial, but it could be a plus. The purpose of the Django project has not been specified, but skills that cater to building a website, creating web applications, or backend development for an existing project could be beneficial. Please detail your previous experience, as it is the deciding factor for this job.

As a Python Developer with less than a year of experience, I've been actively involved in web development and data analysis. I have particularly worked with Django and Pandas frameworks. I'm now seeking new opportunities where I can further develop my skills, work with experienced professionals, and make meaningful contributions to projects, especially in the web development and data analysis space. Ideal candidates for this project should: - Have a good understanding of Python and its frameworks (Django, Pandas) - Be able to provide guidance and mentorship for a less experienced developer - Have previous experience in web development and data analysis - Be supportive and open to new ideas and approaches

I'm looking for an expert in setting up a Kannel SMS Gateway with a SIM box. The purpose of this project is to send marketing messages on a large scale of between 1,000 and 5,000 daily. The messages will not be text-only, they will include both images and links as well. Ideal Skills: - Extensive experience with Kannel SMS gateway and SIM box configuration - Understanding of marketing message composition with text, image, and link - Knowledge of Bulk SMS sending Key Requirements: - Ability to send between 1,000 and 5,000 SMS daily - Ensure efficient delivery of all text, image, and link content - Optimize the system while maintaining high deliverability rates Your ability to effectively set this up can make a huge difference in our communication strategy. If these pa...

I'm in need of a skilled NodeJS developer who has already integrated the Telr payment gateway. Key Points: - I have an active Telr payment gateway account, and my main objective is to use it for processing online payments for servicesm with refund/cancelation. Ideal Skills and Experience: - Previous experience with Telr integration is a must. Having a working knowledge of their API and the ability to seamlessly integrate it with my NodeJS backend.