Web application backend design template jobs

Hey, can you design a stock research report? If yes, then please send me a template that you have designed.

I'm in search of a skilled AngularJS developer to add new features and tailor existing ones on my current portal template. The key job duties constitute: - Adding new, unspecified features which will be discussed upon assignment - Tailoring current functionalities - Basic Create basic MySql database to add, edit and retrieve data The ideal candidate should have substantial experience with AngularJS, website functionality customization, and development. However, skills in user interface design and structure formatting would be a significant bonus. Expressions of interest are sought from professionals who are innovative, efficient, and capable of delivering on time. Please incorporate previous similar project examples and outcomes in your bid.

I'm seeking a skilled developer to create a comprehensive trading application for my company. This app needs to be compatible with both Android and iOS. Key Functions: - Real-time Market Data: The application should provide up-to-the-second market data to users. - Trading Orders: Users must be able to place buy and sell orders directly from the app. - Portfolio Management: A feature for tracking and managing their investment portfolios. - Research and Analysis Tools: The app should include tools that allow users to conduct in-depth research and analysis. - Watchlist: Users should be able to create and manage watchlists of stocks or other financial instruments. - Position Calculator: A tool for calculating the position size for a given trade. Ideal Skills: - Proficiency...

I recently l...We're specifically seeking help from freelancers who understand this kind of issue and have the appropriate skills to sort it out quickly. Your task will include: - Analyzing the cause of the issue within Google Console and our website's backend - Implementing a solution to ensure SEO tags update as expected - Doing a thorough testing to confirm everything is working perfectly again I will provide access to the website's backend or content management system for easier troubleshooting and resolution. Ideal candidate for this job: - Proficient in website backend and SEO configurations - Experienced in solving SEO tags update issues - Excellent problem-solving skills - Proficient with Google Console Please note that this issue start...

We are looking for a web designer who has minimum 3 years of experience in Full Stack Development. Tech for backend can be python/node.js and for frontend react.js. We have the UI for what we want to build, we need backend and frontend to be developed for the same. Our website is a marketplace, where publishers can register and add their offerings and advertiser can purchase it and place orders, admin panel UI is also available. You should know how to follow structured approach and keeping scalability in mind.

I'm seeking a skillful React developer to build an engaging, vibrant, and interactive web application. Reminiscent of StackOverflow in terms of structure, it's different by concept and domain, which will be elaborated in our project discussions. The specific features should include: - User registration and login - Question and answer interaction - A tagging system - Search functionality - User points functionality Moreover, the project focuses on the front-end or UI side of development with no backend requirements. Key skills and qualifications include proficiency in React, and experience with user-centric, bold, and dynamic design. I favor a vibe that pops while remaining intuitive, user-friendly, and effectively guides users through the site'...

I would like to pay $500 (INR 40,000) for developing a mobile app end to end. Wireframe, UI/UX, frontend backend database and anything that I am missing here. I need a running app, and pre uploaded 10k users. I need a basic satsang + spiritual Matrimoney platform for Android and apple. One the first page their should be 2 options, 1: satsang and 2: Matrimony If you click on satsang, you can see all the Satsang happening near you and can also post Satsang If you click on matrimoney you can see guys and girls who want to get married Please share the link of the work before I assign it to you. More details: What functionalities or features would you like to have in the satsang platform? Live streaming of satsangs, Access to recorded satsangs, Chat functionality for satsang atte...

I'm in need of an experienced developer to implement crucial updates to my Accuster Support App. Updates include: - Backend Functionality: A change in the current system that will affect the way links are processed. You must have experience in link redirection and the ability to redirect links to external websites. The ideal candidate should intimately understand API integrations as well as the intricacies of database structures. Strong experience in user authentication is equally crucial to succeed in this role.

I'm seeking a skillful React developer to build an engaging, vibrant, and interactive web application. Reminiscent of StackOverflow in terms of structure, it's different by concept and domain, which will be elaborated in our project discussions. The specific features should include: - User registration and login - Question and answer interaction - A tagging system - Search functionality - User points functionality Moreover, the project focuses on the front-end or UI side of development with no backend requirements. Key skills and qualifications include proficiency in React, and experience with user-centric, bold, and dynamic design. I favor a vibe that pops while remaining intuitive, user-friendly, and effectively guides users through the site'...

...and it autocompletes and destination will be static locations we also need option to add waypoints, for Form (From Airport) way points will be added to destination only and each way point will add £10 For Form (To Airport) way points will be added to starting location and each way point will add £10 to total Date and time selection and if trip is oneway or Return we will need vehicle added to backend for plugin each vehicle will have settings like number of suitcase, passengers and handbags, these will be shown when vehicles will be listed when search is performed. each vehicle will have its own price for each airport if anything is missing let me know. - Multiple Payment Options: We need to make it easy for the customer by offering multiple payment options. Ideal ...

Notes----- Please stay away from those who first say something else in the budget and then increase it. We are looking for a skilled Flutter developer and PHP backend developer to make updates to our existing matrimonial app and integrate new functionality using APIs Implementing new functionalities on the server-side to support app updates. Enhancing database structure for improved data management and efficiency. Improving security measures to safeguard user data and privacy UI enhancements and improvements for a better user experience. Integration of new screens and features as per requirements. Optimizing app performance and responsiveness across different device

I'm seeking a deep learning expert to develop an AI model for accurate bone fracture detection from X-ray images. Additionally, you'll be responsible for creating a user-friendly UI using HTML/CSS/JS. The model should run in the backend to facilitate real-time analysis. Key Project Requirements: - **AI Model Development**: An accurate bone fracture detection model should be developed using Python and TensorFlow. The primary goal of the model is to ensure precision in diagnosing fractures from X-ray images. You can use any datasets available online for free. Model should be able to predict the fracture, body part, highlight the fracture part, - **User Interface**: The UI should be designed to offer an intermediate level of interactivity. This includes incorporating some...

I'm seeking a skilled designer to create a set of 3 modern and sleek newsletter templates for the healthcare industry. We are an online medical company. We have existing patients who require a monthly newsletter of health news. We also team up with other health services, and we require monthly newsletter to be sent out targetting our partners. We also require an email marketing template for other health services that are not yet parnered with us, to invite them to join our service. Key Features: - We require 3 templates to be created to cater for different target audience: 1 - Existing patients 1- Existing health service partners 1- Potential health service partners - Focus on product showcases: The templates should aesthetically and effectively showcase our healthcare ...

...need an experienced developer who can efficiently debug the backend of my project. The primary issue revolves around frequent errors that are hindering its stability and functionality. - The backend is primarily developed using a mix of Python, Java and Node.js. - The main task would be debugging, ensuring all scripts and functions are working as intended. - Additionally, I'm looking for the identification and resolution of any underlying issues that could be causing the frequent errors. - A crucial requirement is the ability to enhance the stability and reliability of the backend, ultimately improving the overall performance of the system. Ideal Skills: - Proficiency in Python, Java, and Node.js - Extensive experience in backend debugging and sta...

I need a skilled PHP developer to help complete the backend engineering for my E-commerce application on Revenue sharing model Key functional requirements: - User registration and authentication - Product listing and search - Shopping cart and checkout Specific features to be implemented include: - Inventory management - Payment gateway integration - Order tracking The application will mainly sell physical products, so the backend should efficiently support product management, transactions, and order tracking for this type of goods. Ideal skills and experience: - Proficiency in PHP, with a significant track record in backend engineering - Proven experience in developing E-commerce platforms, particularly physical goods - Strong understanding of integ...

I need an experien...model should include detailed financial projections based on the provided assumptions. - Operating model and capital structure: You will need to build a comprehensive operating model, and structure the capital in line with the LBO requirements. - Sensitivity and scenario analysis: I expect you to provide a detailed sensitivity and scenario analysis that is easy to interpret. - I have a CIM and a template excel sheet that you can use to create the model. I have other instructions as well in which I will provide after you bid. Time is of the essence, and I need this completed within 24 hours. Please only bid if you are confident in your ability to deliver accurate results in this very tight timeframe. This needs to be done in 24 hours or less, it cannot be done a...

I'm searching for a skilled software engineer to support with existing and new products and to work alongside our exiting team of engineers. Skills (Essential): -Advance experience and confidence with JavaScript, HTML/CSS -Advance experience and confidence with React.js, Vue.js, Tailwind ss, and Nuxt js -Experience with Node.js -A solid understanding and proven experience with developing web based software applications. -Confident with AWS, Firebase, Serverless -Digital Payments (Stripe, Xero API), Automation experience, 3rd party integration (Proffered) Looking for someone to start and join or growing team for regular and ongoing work. Must be willing to chat via video calls and Slack with existing team.

...developer who has experience with Hugging Face and Gradio to create a small text classification application. This project involves the following key aspects: - **Functionality:** The primary objective of the application is to perform text classification. This means that it should be able to analyze given text and assign it to a specific category or label. - **Deployment:** The application should be deployed as a web application. Key Skills and Experience: - NLP, Machine Learning - Proficiency in Python. - Experience with Hugging Face - Gradio. - Prior experience in developing text classification applications. - Familiarity with web application deployment processes. Please note, the application does not need to support multiple l...

We a...business. The material will be lay-flat packages, with the exact dimensions being 120x120 millimeters. Skills and Experience Required: - Practical knowledge in Packaging Design - Prior experience designing flexible, lay-flat packets - Efficient in communication, decision-making, and revisions - Familiarity with cookie-based products is a plus REQUIREMENTS: 1) Please ensure all fonts are outlined and artwork is embedded into the template 2) All colors set up in CMYK + White 3) Artwork sent back in AI format 4) please leave a section clear and indicate it will be a window section Provided is a rough mock up of the simple design we require. We will also need you to provide multiple options for the font on the front of the packaging as we are still searching for...

I REQUIRE AN IPTV APPLICATION FOR DIFFERENT DEVICES -ANDROID MOBILE Y ANDROID TV -IOS MOBILE - LG SMART TV -SAMSUNG SMART TV THEY HAVE TO BE PUT IN THE STORE OF THE RESPECTIVE DEVICES MENTIONED. THE APPLICATION MUST BE INTUITIVE AND EASY TO USE FOR THE CUSTOMER ACTIVATION MUST BE THROUGH THE MAC OF THE DEVICE. IN ORDER TO ACTIVATE QUICKLY AND WITHOUT PROVIDING ENTRY DATA TO THE CUSTOMER. THE APP MAY BE SIMILAR OR EQUAL TO IBO PLAYER ATTACHED CAPTURE OF YOUR HOME SCREEN. FOR MOBILES, HAVE A BUTTON THAT SENDS THEM DIRECTLY TO MY WHATSAPP AH THE CHANNELS THAT SHOW EPG THE INTERESTED PARTY MUST HAVE KNOWLEDGE IN THE AREA OF IPTV APPLICATIONS.

I'm in need of a skilled website manager proficient in WordPress. Your key responsibilities will include: - Content creation and regular updates: I require fresh, engaging content to keep my audience coming back and to improve SEO. - Design and layout improvements: Help me make my website aesthetically pleasing and user-friendly. - Backend maintenance: You'll be tasked with ensuring the site is functional at all times and resolving any technical issues. As part of the role, you should also have a strong background in SEO. The primary goals here are to: - Drive more traffic to my website - Improve its search engine ranking - Enhance user engagement The ideal candidate is someone who has a proven track record in website management, particularly with WordPress sites...

I am seeking a software developer capable of creating an application specifically for managing student records. The software should include the following features: - Search and filter student data: The application must allow easy access to student information, with robust searching and filtering capabilities. - Generation of demographic reports: The application needs to be able to generate reports based on the collected student data. In particular, the capacity to produce demographic reports is required. The ideal candidate for this project should have a solid understanding of database management, specifically around student data. Prior experience with educational software would be advantageous. Proficiency in generating detailed and accurate reports from database...

...discuss functional plug-ins and structure that will be used prior to the award. This site should be user-friendly, intuitive, and enthuse high-level interactivity, crisp and detailed design with design details. Ability to host high quality crisp photos & videos. Site should be extremely fast! Key Features: - Focus exclusively on gym sportswear and related products - Implemented chatbots and interactive menus to provide instant assistance and engaging user interaction - A precise, yet interactive, section dedicated completely to customer reviews and ratings on our products Ideal Skills: - Ecommerce website design and development experience, preferably with gym sportswear or similar niches - Expertise in developing interactive elements such as chatbots and dynam...

Important: Project must be completed within 10 hours or less I have designed the attached company fact sheet in Excel. I would like help converting this to a Microsoft Word template. I need it to be flexible so that all the text and information can be changed and amended as needed, and I can change the charts. I have also attached the logos to be used.

Important: Project must be completed within 10 hours or less I have designed the attached company fact sheet in Excel. I would like help converting this to a Microsoft Word template. I need it to be flexible so that all the text and information can be changed and amended as needed, and I can change the charts. I have also attached the logos to be used.

I require an experienced Laravel developer to handle both frontend and backend development tasks for an upcoming project. Key Responsibilities/Task: - Backend Development: As I've not detailed the desired functionality for this at the moment, having experience in diverse backend tasks will be beneficial. - Frontend Development: Your focus will be on creating a responsive design and providing an interactive user interface. Ideal Skills: - Extensive experience with Laravel - Proven track record in frontend and backend development - Strong knowledge and experience with responsive design practices - The ability to create interactive user interfaces This project has a level of urgency attached to it, so I am looking for a dedicated professional...

I'm developing a portfolio website using a WordPress template and WooCommerce. The primary focus of this project is to enhance the existing website to function effectively as a portfolio. Key Features: - **Service Listings**: The main aspect of the website is to present my services, so ensuring that these are well-organized, visually appealing, and easy to update is crucial. External Integrations: - **Social Media Platforms**: I'd like seamless integration with social media platforms to increase the site's visibility and user engagement. - **Email Marketing Tools**: Integration with email marketing tools to help me stay connected with my clients and potentially attract new business. - **Payment Gateways**: Ensuring secure and user-friendly payment gateways for pot...

Hi TP, Need a base template created for a company in the Rewards space called REWARDS+ Not too much more than that at this point but the company is a copycat of BILT REWARDS (look it up) can you create a template? there will be more to work on here just need a base doc with cover etc etc

I'm looking for a skilled Laravel backend developer who can help me build a robust system. We need the following functionalities: - For the Member Area, it should have: - User profile management - Account settings - For the Panel Main Page, it should have: - Announcement feature - For the Login and Register pages, it should have: - Email verification - Password reset Ideal applicants should be proficient in PHP and have extensive experience with Laravel. They should also be well-versed in creating user-friendly interfaces and have a strong attention to detail. Experience with system security and data protection is a plus. Please send me a private message for more details.

I'm seeking a skilled developer to assist in integrating a custom application with Constant Contact. Key Requirements: - Skilled in Pnp programming language - Experience with system integration - Able to work with Constant Contact APIs Your proposal should demonstrate your experience in integrating systems, particularly with Constant Contact. Prior work and references showcasing this expertise would be highly beneficial.

Project Description: We are seeking an experienced Microsoft Word specialist to create a one-page template designed for low-vision clients who use screen readers. This project involves formatting and setting up a Word document to enhance accessibility and functionality. Requirements: Font and Style: Use a clear, sans-serif font like Arial or Calibri. The text should be bold to enhance readability. Fillable Fields: Integrate fillable fields where information can be entered by the user. Users should be able to navigate through fields using the keyboard TAB key. Accessibility: Ensure the template is fully accessible to screen readers by adding appropriate titles and tags. Use Word’s Accessibility Checker to ensure compliance and address any issues. Document Protection...

...proficient with web application development, particularly using the Spring framework. Your primary responsibility will be to deploy an existing web application project of ours on a Virtual Private Server (VPS) with GoDaddy. Scope of tasks: 1. Deploy Java Web Application: - Handle complete setup on GoDaddy VPS server environment. 2. Spring Framework proficient: - Our application is built on the Spring framework. Deep understanding of this technology is essential for successful deployment. Ideal skills and experience for this job: - Solid background in Java 8 and Spring web application development. - Extensive experience in deploying Java projects on GoDaddy VPS servers. - Problem-solving skills with an ability to...

Note my budget not more 10$ for whole project Requirements: Development design Socail card game with based on web notifications. (Frontend and backend)

In need of a highly skilled frontend React developer capable of: - Building user interfaces that are smooth and intuitive - Implementing responsive design to ensure excellent mobile experiences - Integrating with APIs to create seamless interaction with the backend The UI design should reflect a clean and minimalistic style, thus enhancing user interface and overall user experience. The candidate's familiarity with specific React libraries or tools wasn't specified, but general expertise in Redux, React router, and Material-UI will be beneficial. An eye for aesthetics, along with an understanding of user-centric design and how to implement it into a streamlined, functional website is paramount to this role. Want to create 4 UX screen in a single ...

As an eager recruiter of beginner and junior developers, I'm offering a chance to hone your skills and add real-world experience to your portfolio. Key Deliverables: * Full-Stack Development * Frontend and Backend Developments * Mobile Development * Artificial Intelligence (AI) * Machine Learning (ML) Expected Skills: * Proficiency in Python, JavaScript, C++ * Versatility in tackling diverse IT tasks Experience: * Entry level/ Junior but with a strong grasp of the mentioned programming languages and IT sectors This opportunity is particularly aimed at those looking to secure jobs swiftly. While the primary focus of the project has been left open, it'll be a mix of various IT tasks. A challenge-loving mindset is a must-have.

Design on wordpress or make a new desgin and do the backend with it I'm seeking a skilled professional to improve the layout, navigation, and overall design of my existing website. The project's intention is to end up with a modern, responsive design that will help increase online sales. Specific tasks include: - Revamp layout and navigation to enhance user experience - Incorporate high-tech and responsive functionality In addition to the redesign, the website's backend needs to be updated with the following features: - Efficient Content Management System (CMS) - Robust E-commerce functionality The ideal candidate would have substantial experience in both frontend and backend development, with a profound knowledge of CMS and ...

I need a PowerShell script that can both uninstall a specific application (Application A) and install a new one from our internal company server. This new application is not currently present on the Windows PC. Key Requirements: - The script must first check if Application A is installed on the Windows PC. If it is, it should proceed with uninstalling it. - The new application should be downloaded from our internal company server. - The script should ensure that there are no existing versions of the new application installed. Ideal Skills and Experience: - Proficiency in PowerShell scripting. - Experience in software uninstallation and installation. - Familiarity with downloading files over a network. The script should be efficient, reliable, an...

Note my budget not more 10$ for whole project Requirements: Development design Socail card game with based on web notifications. (Frontend and backend)

HDR, Inc. is searching for an experienced developer to design a custom mobile application for business use. Ideally, the professional should be proficient in developing, testing and deploying apps for both iPhone and Android. Key Features Required: - User Authentication: The app will use a combination of a username, password and security token. - Barcode and OCR: Barcode scanning and OCR recognition are key functions we want to incorporate. - Manual Entry: Ability to manually input information. - Results Display: The app will need to parse JSON results and create an intuitive presentation for the user. See attachment for more information. In-depth experience in developing mobile applications is a must for this project. . Knowledge in building applications with push noti...

...skilled developer to optimize my WooCommerce / eCommerce website template. While we have not provided specific areas for improvement, the focus should be on enhancing the overall performance and user experience of the site. Key Responsibilities: - Improve the loading speed of the website - Enhance the mobile responsiveness of the template - Optimize the overall user experience (IU & UX) - Optimize the look and feel Ideal Skills and Experience: - Proficiency in WooCommerce and eCommerce website development - Proven track record in template optimization - Strong understanding of user experience and mobile responsiveness - Ability to work independently and meet deadlines. If you're confident in your ability to optimize my template and elevate my site...

I need an iOS application developer experienced in integrating smartwatch health data, particularly in real-time tracking of metrics for fitness classes. The application is intended to monitor each participant's heart rate and display the readings on a central monitor in real time as part of a workout class setting. There will be two types of end users. One will be the workout participant and the other will be the gym owner. The gym owner will want to track how certain individuals perform over time and during certain workouts. The idea here would be that gym owners could tie metadata to each workout to say what was the average heart BPM, max heart BPM, what was the average amount of time people were in zone 4 cardiovascular, etc. Key Requirements: - Fetch and stream re...

I'm in need of a skilled backend developer to create the multi tenant application with below instructions; Tech Stack: Spring Boot 3.1.11, JDK 17 or 21, MySQL Usecase: 1. As a super admin I would be able to onboard a new tenant(example: school). Whenever superAdmin does that then new new database can be created dynamically in mysql. And the user_details, product, services tables need to be created. 2. There should be a table "tenant_master" which should have information of all tenant databases. like hostname, port, username, password, connection_string, tenant_name, status. One entry should come to this table when we are onboarding a tenant. 2. Need to configure the Spring Security with JWT authentication. 3. I can be able to login as school admin and JWT...

I need an experienced Python MySql backend programmer to provide support for a web app I'm building. The tasks will include: - Database design and implementation - Query optimization - Data migration - Hands on GoDaddy cPanel Hosting The web app will require the following functionalities; - User registration and authentication - A well-designed Customer Relationship Management (CRM) system - Data fetch by API and Post on API Ideal skills and experiences include Python, MySQL, backend development, and experience with implementing user registration, authentication, and CRM systems. Experience in web-based applications is crucial for this project.

I'm looking to develop a web-based check-in page that validates the age of individuals. Key Requirements: - The check-in page should capture the user's CPF (Brazilian taxpayer ID) and Date of Birth. - If a user is of legal age, the check-in should be approved and data stored in the backend. The project is divided into two main areas: - Front End: - The front end should be user-friendly and have a smooth check-in process. - It should include an age validation feature that cross-references the user's date of birth with the legal age limits. - Back End: - The backend should collect and store specific data about the user, including their name, CPF, date of birth, and the time of check-in. - This data should be easily accessible for administrativ...

...great addition as well. Most importantly, the Squarespace template used must have built-in functionality for short term rentals. I need to be able to list properties, manage bookings, and facilitate payments through the site. The ideal freelancer should have: - Proven experience with Squarespace, particularly in building portfolio showcase sites - Strong understanding of e-commerce and rental functionalities - Good design sense and an eye for detail Website that I am looking to embody similarities with - Existing Squarespace template that I am looking to adapt - I will provide you the Brand Persona as well as the Visual Identity to inform color and design aesthetic Please share your portfolio of similar projects

I'm looking for a skilled photo editor to develop an advanced photo editing application with specific features and specifications. Key Requirements: - The photo editing application should include a range of filters and retouching options. The filters should be varied and allow for creative manipulation of images. - The application should support the image formats JPEG and PNG. The ability to work with these file formats is crucial for the software's functionality. - The complexity of the photo editing tasks will be high, requiring advanced retouching and manipulation. The ideal candidate for this project should have experience in this level of photo editing, and can deliver a software that can accommodate such complexity. Ideal skills for this project: - ...

...This form should then display the submitted values in a table. Key Requirements: - Create a form with standard fields like Name, Email, Message, and Phone Number. - Ensure the form is user-friendly, accessible, and responsive. - Develop a backend that can handle the form submissions and display the values in a table. - The table should be dynamic, updating in real-time as new submissions are made. Ideal Skills: - Proficient in WordPress, including custom post types and advanced custom fields. - Experience with front-end development and user interface design. - Knowledge of back-end development, particularly in handling form submissions and data storage. - Familiarity with integrating data into tables or other display formats on websites. Please provide examples of pre...

I am in need of a virtual assistant to support my real estate wholesaling company. For less than 20 hours per week, you would provide important backend support that helps to streamline our operations. Budget is strictly 80 per week. 3 hours per day mon-fri. Hours can be split throughout the day Responsibilities: * manage LinkedIn/email inbox * create templates and send out deals to cash buyers * Prepare contracts * provide customer service to cash buyers * data entry Ideal Skills and Experience: * Excellent research skills * Experience in wholesale real estate processes and contract preparation * Proficient in using CRM software Please only apply if you're comfortable using CRM software for task management. This is a key requirement. Preference will be given to assistants ...

Hello I have a web app that im building for my customers. And I already hired someone to setup the sign up page.. All you have to do is add the google sign up and finish setting up the backend for the setting pages. I also added notes to my prototype design explaning each feature. React JS is used for the front end. And the PHP Laravel was used to start this project. I would like to pay $150 - 200 for this project. If the work goes well then I will use your services to finish building the rest of the features. Im also building a software company here in america so for the right person i can provide work for years!!! I would like to hire someone today.

I am looking for an experienced backend developer proficient in CodeIgniter (CI) to set up a callback URL for PhonePe integration in my Android application. The frontend integration has already been completed; however, I require assistance with configuring the backend to handle PhonePe transaction callbacks effectively. Requirements: Expertise in CodeIgniter (CI): The developer should have strong proficiency in CodeIgniter framework to seamlessly integrate the PhonePe callback URL into the existing backend infrastructure. PhonePe Integration Experience: Prior experience in integrating PhonePe payment gateway or similar third-party payment systems is highly preferred. Familiarity with handling transaction callbacks and response validation is essential. API Inte...