Freelance ecommerce web developer kuala lumpur jobs

I'm looking for an experienced developer to create a desktop application for Windows. This project is focused on data analysis and project management. Key Requirements: - Strong experience in Windows desktop application development - Familiarity with data analysis and project management tools - Proven track record in software development Your proposal should include: - Your relevant experience in Windows desktop application development - Any previous work that showcases your expertise in data analysis and project management tools - Your estimated timeline for completing this project - Your proposed approach to the project Please share your prior experience and examples of your work that align with our project needs. Your expertise in this area will be a key factor in our se...

I'm looking for a skilled backend developer to work on a project where the backend system is expected to be small-scale, accommodating only a few users and data. Key Responsibilities: - Implement user authentication functionalities: The backend should be able to handle user logins and registrations securely. - Manage the database: The developer should be able to set up and maintain the database effectively. Ideal Skills and Experience: - Proficiency in PHP and MERN stack technologies: The ideal candidate should be proficient in PHP and have experience working with MongoDB, Express, React, and Node.js. - Previous experience working on small-scale backend systems: It would be beneficial if the candidate has prior experience working on small-scale systems due to the natur...

Software will listen to some tcp messages. When the message arrives, decode the message. Write the encoded message in a mysql table. Write the decoded information in 2 tables. Total fields to be decoded is less than 10. We provide the NodeJs version (attached) of the decoder, you will have to make the python version

We are looking for a full stack developer to create a SAAS Web application for hr and accounting. We will form our entire online company around this one application. We will sell subscription access to this app to individuals and businesses. Desired features include: - Recruitment Management - Workflow management - Portal Management - Social Media Integration - Employee database management - Onboarding - Time off tracking - Attendance Tracking - Timesheet management - Performance management - Employee messaging - Expense management - Announcements - Departments and groups - Forums - Events and Tasks - Document storage and document knowledge base - Payroll management - Organisation chart - Emergency contacts - Employee benefits

Description: We are seeking experienced developers proficient in front-end UI design to work on an existing MVP application. Primary focus of the role will be to convert our application, build utilizing Canva templates into our custom designs ...functionalities based on user feedback and business need Troubleshoot and debug any issues related to the UI Requirements: expert in database structures, workflow logic, custom API integrations Advance knowledge in front end development Portfolio demonstrating previous project with custom designs Experience with responsive design and mobile optimization Additional Information: Freelance or contract position Project duration will be determined based on work scope We are looking for someone that can start immediately

I am in need of a skilled Full Stack Developer with significant experience in React Native for the development of a Learning Management System (LMS) application. The application will primarily target Android devices and will require integration with various systems and services. Key Features: - User Registration & Login: The app needs to provide an intuitive registration and login process. - Course Management: A comprehensive system for managing courses, including creation, editing, and deletion. - Content Creation & Upload: The ability to generate and upload educational content, such as videos, documents, and quizzes. Additional Requirements: - Platform: The LMS application must be developed specifically for Android devices. - Integrations: The app needs to be integrated ...

I'm looking for a highly skilled and innovative AI Automation Developer to create a unique and interactive storytelling experience for our customers. Our company specializes in crafting exquisite perfumes, each with its own unique story and essence. We aim to enhance our customer engagement by offering a personalized story for each customer based on their selected fragrance. This project involves setting up an automation flow that generates a custom short story, complete with illustrations, narration, and background music, culminating in a playable video format. This video will be accessible to customers via a QR code scan, providing them with a bespoke narrative that intertwines their personality with the essence of their chosen perfume. Responsibilities: Design and impleme...

I'm in need of a Chrome Extension developer who has experience working with Shadow Root. Key Project Details: - The extension will need to leverage Shadow Root for various purposes; specifically, for style, DOM, and event encapsulation. - The desired functionality includes accessing and modifying styles within the shadow root, as well as accessing and interacting with elements within it. The extension should also be able to capture and handle events within the shadow root. Ideal Skills and Experience: - Strong experience in developing Chrome Extensions. - Proficient in working with Shadow DOM and specifically with Shadow Root. - Expertise in style, DOM, and event encapsulation using Shadow Root. - Ability to access, modify, and interact with elements and events within the sha...

Hello! I have created a shopify () selling an E-book. I have tried several marketing strategies (Tiktok ads, facebook ads, currently working on SEO) but I am getting 0 sales. I'm in search of an ecommerce consultant with proven experience optimizing Shopify stores, and improving conversions. Here's the areas I'd like us to focus on: - Website Design Optimization: Fine-tune the design and user experience of my Shopify store to drive conversion rates up. - Marketing and Advertising Strategy: Craft a strategy that will drive relevant traffic, grow our customer base and in turn, our conversion rate. - Product Listing and SEO: Help me to better highlight my products and improve their visibility on different search engines. If you have a strong background in these area...

Seeking a skilled website designer adept at creating eCommerce platforms. The online store does not have a specific product line yet, so flexibility and adaptiveness in design are required. While we're not sure about the payment gateway yet, we do anticipate that we'll be listing fewer than 50 products initially. Skills and Experience required: - eCommerce website design - Knowledge in integrating payment gateways (just in case) - Experience in managing and displaying an array of products - Proven expertise in user-friendly designs. Briefing guidelines and further project details will be provided when selected. Please provide samples of previous work when submitting proposals.

I am in need of a skilled PHP developer with extensive experience in WordPress Gutenberg to create a custom block for my WordPress website. The primary focus of this block will be to display dynamic content sourced through an API. Key requirements and responsibilities: - Development of a custom Gutenberg block: Your primary task will be to create a unique, user-friendly block that integrates seamlessly with the existing Gutenberg editor. - Display dynamic content: The block should be designed to display content that is sourced through an API. Therefore, knowledge of API integration is crucial. - Testing and debugging: You will be responsible for thorough testing to ensure the block functions as intended and is free of bugs. The ideal candidate for this project would possess: - St...

Looking to rapidly launch an intuitive online store specializing in quality document...launch an intuitive online store specializing in quality document printing. The platform will offer diverse printing options, including both coloured and black and white outputs. Key Features: * Customers should be able to place orders online for document print outs. * The site must have an upload functionality whereby clients will send in files they want printed. Ideal Skills: * Professional web developers with prior experience in creating e-commerce websites are preferred. * Knowledgeable in building online ordering and file upload systems. * Experience in working with print service websites will be a significant plus. Speed is of importance, the ideal team will be able to complete this pro...

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I am looking for a proficient web developer who can create a dynamic Events page for my website. Key Responsibilities: - Develop an interface for registering and managing the event listings on the page. Ideal Skills: - Experience in web development, specifically focusing on event-based platforms. - Proficiency in managing event listings and associated features. - Good understanding and implementation of engaging user interfaces. - Ability to work with minimal supervision and strictly adhere to deadlines. I look forward to working with a passionate developer who can bring innovative ideas to this project.

I'm looking for a skilled React JS developer to work on my frontend. The main goal is to improve the overall user experience and functionality of the site. Key Points: - Skilled React JS Developer Needed: You should be proficient in React JS and able to deliver high-quality, well-tested code. - Frontend Optimization: The project's main goal is to enhance user experience and website functionality. - Prior Experience: I'm particularly interested in your prior projects and experience in optimizing websites for mobile devices. Please provide a detailed proposal on how you plan to achieve the objectives and improve the frontend.

I'm looking for a developer proficient with ASP.NET MVC and knowledgeable in Entity Framework. Looking specifically for someone who can deliver this fairly simple task very quickly and good communication I need a very quick turnaround on this project. My code is for a very simple view that displays records from database with filtering, sorting etc. I need a programmer to optimize my code (Looks the same, functions the same but code performs better and more streamlined. I will provide the model I use, the controller and the view files. The Controller action I need optimized and streamlined is the Index Action

Description: We are seeking experienced and talented freelance course creators to develop high-quality programming and other valuable skill courses for our online tutoring platform. As a course creator, you will be responsible for crafting engaging and informative lessons that cater to learners of various skill levels. All courses will be needed to publish on platform Responsibilities: -Develop comprehensive courses on programming languages, marketing, and other valuable skills. -Create a curriculum that consists of a minimum of 8 lessons, each with 3-4 sub-lessons. -Design engaging video lessons with practical demonstrations and exercises to reinforce learning. I-ncorporate relevant external materials, such as articles, books, or online resources, to enhance the course conten...

I'm looking for a skilled professional who's familiar with Java 7.0 and Groovy 2.5.6 for a code compilation task. You don't necessarily need to know about IntelliJ IDEA 2003, but experience in this or similar platforms might be beneficial. Code runs on Tomcat 7.0 and JRE7. Also fix any redirection issues in the code. - Review and troubleshoot my existing code. - Fix errors which are preventing the successful compilation. - You should have experience with Java 7.0 and Groovy 2.5.6 as it's crucial for this project. Screen shot is what I am getting on the error on my pc.

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I am looking for an experienced app developer to assist me in creating an Android gaming app specifically designed for children aged 5-12 years. This project involves developing an engaging, child-friendly, and safe game that children can easily understand and enjoy. Key features for the app are yet to be fully finalized but would include features such as parental control settings, in-app purchases and potentially a multiplayer functionality. Please note, the final list of features may adjust during the development process. Ideal candidates for this project should have: - Extensive experience in developing Android gaming apps. - A strong understanding of child-appropriate interface and interaction design. - Familiarity with integrating and implementing parental control features. ...

I'm looking for a Fabric JS developer who can help with some text issues in my project. Key Tasks: - when the sentence is long and then If I decrease or increase the wrapper the sentence should be adjusted within the wrapper and it should be go to next line. The ideal candidate should have: - Proven experience with Fabric JS. - Strong JavaScript skills. - Previous experience in resolving text issues in web projects. ** I want you to fix it via remote desktop.

Background: As we continue building our ecommerce platform on Shopify, with a product range of under 2000 items, we're in need of an ERP specialist to create our system from scratch. Our chosen ERP solution is Microsoft Dynamics. We're seeking a candidate with expertise in both Shopify and Microsoft Dynamics ERP to lay the foundation for our inventory management processes. Skills Required: The ideal candidate should have extensive experience with Microsoft Dynamics ERP and proficiency in utilizing Shopify. A deep understanding of inventory management principles is crucial, along with exceptional problem-solving skills to design and implement technical solutions effectively. Responsibility: Your primary responsibility will be to establish our inventory management system f...

I am looking for a proficient web developer who can create a dynamic Events page for my website. Key Responsibilities: - Develop an interface for registering and managing the event listings on the page. Ideal Skills: - Experience in web development, specifically focusing on event-based platforms. - Proficiency in managing event listings and associated features. - Good understanding and implementation of engaging user interfaces. - Ability to work with minimal supervision and strictly adhere to deadlines. I look forward to working with a passionate developer who can bring innovative ideas to this project.

As a seasoned ESP or NODE MCU developer, I am seeking your expertise to integrate and transmit data using Bluetooth after power On. The sensors for which I need to integrate include Temperature, Humidity, PIR motion, Pressure, and an RTD (Resistance Temperature Detector). To elaborate: - Sensor Integration: You need to possess in-depth knowledge about different types of sensors, mainly Temperature, Humidity, PIR motion, Pressure, and RTD (Resistance Temperature Detector). Leveraging this knowledge, you shall efficiently integrate these sensors with the ESP or NODE MCU. - Relay Control: Based on the Bluetooth ADV data received from another ESP, your task includes performing actions such as Turning on and Turning off the relay. - Data Transmission: After the power is on, the task...

I'm seeking a seasoned pro to build an IT consultancy website aimed at building brand awareness. The ideal freelancer will have experience with the following key components: - Service Listing: The ability to neatly display our variety of IT services. - Contact Form: This feature is crucial as it will be an avenue for visitors to get in touch. - About Us: Here we'll share more about our company's background and team. - Home: This will serve as the main landing page. Preferably, freelancers should have created similar websites in the past and have a strong understanding of brand building online. Their input on website layout, design, and user interface, to boost brand recognition, will be highly valued.

As an ecommerce business selling printer carts, we're in need of an expert in logo design who is passionate and skilled in creating detailed icon-based logos. - The perfect match for this project will have an extensive portfolio demonstrating their ability and experience in detailed logo design. - Since we are an ecommerce business, the experience or knowledge in this industry could be beneficial, although not strictly necessary. - The icon-based logo needs to be creative and memorable to stand out in the competitive ecommerce market. Note: Please include samples of your previous work in your proposal. Looking forward to collaborating with talented freelancers.

I am looking to set up an eCommerce website using ERPNext. The site should be designed for selling physical goods and if possible, should include a payment gateway integration. Key requirements: - Create a fully-functional eCommerce website using ERPNext - Ensure the website is optimized for selling physical goods - If possible, integrate a payment gateway to facilitate online transactions - Provide a detailed project proposal outlining your approach and relevant experience Ideal skills and experience: - Proficiency in ERPNext and ecommerce website development - Previous experience in setting up payment gateways - Strong understanding of ecommerce best practices - Ability to communicate and present detailed project proposals

I'm facing multiple issues with my Magento site that I need addressed by a skilled Magento developer. The main identified issue is with the color selection option on the checkout page which is not displaying correctly. Sadly, the color selection feature isn't just flawed; it seems to be non-existent at the moment. To successfully complete this project, you will: - Diagnose the main reasons for this flaw within the software - Fix the color selection option on the checkout page - Ensure all product images display correctly - Resolve any URL redirect issues that may exist - Carry out a general check for additional bugs, especially in the checkout process Proven experience with Magento development, including a strong understanding of its framework, extensions, and ability to...

I am in need of an expert firmware developer to work on an IoT project. The firmware will be developed for ESP8266. Ideal Skills and Experience: - Proficient in IoT firmware development - Experience with ESP8266 - Knowledge in C/C++ would be a plus The project will involve: - Collaborating in the design of the firmware for the IoT device - Writing efficient and reliable code to run on the ESP8266 - Testing to ensure the firmware works as intended - Offering support and addressing potential issues post-implementation. I'm open to any suggestions you might have regarding the programming languages to be used for this project. I need code to upload in nodemcu esp8266 1) Anyone can connect to internet through SSD and password. 2) it will connect to all home appliances. Basic...

Job Title: NodeJS/ Angular / PostgreSQL Developer Monday to Friday 2-3 hours/day IST Night (8pm to 12am IST) Salary: 25,000 INR per month Job Description: We are seeking a talented Full Stack Developer proficient in Node.js, Angular 11, LoopBack 3, PostgreSQL, and MongoDB to join our team. As a Full Stack Developer, you will be responsible for developing and maintaining robust, scalable, and high-performance web applications and APIs. One needs to be available in the mentioned timings and willing to work by screen share and remote control via Zoom. Skills Required: NodeJS Angular PostgreSQL MongoDB

I'm planning to launch a new blog website and need a freelance with having SEMRush Subscription with him. Basically I want to have a one-hour Freelancer Call meetings daily, totaling around 10 hours per week. During these sessions, we'll analyze competitor websites using SEMRush. I have a good understanding of SEMRush but I appreciate your guidance and assistance. Please note, I won't be sharing the site links in chat and can share only during our Zoom sessions. Also, you must have a SEMRush Pro, Guru, or Business subscription. Thank you, Regards, Suraj.

I'm seeking a skilled and experienced Flutter app developer to bring my full prototype to life. The app needs to be compatible with both iOS and Android platforms. Key features of the app include: - User login and authentication: Secure and user-friendly login process. - Real-time chat functionality: Seamless chat feature for user interaction. This is a full-stack development project, so you will be responsible for both the front-end and back-end. The app won't require integration with any third-party services or APIs. I'm looking for a developer who is confident in their abilities and can deliver the project within the discussed timeline. The ideal candidate should have prior experience in building user-friendly, scalable, and efficient mobile applications...

I'm looking for a developer with extensive experience in both the MERN (MongoDB, , React, Node.js) stack and Kubernetes. The project will involve creating a comprehensive and scalable web application with the following functionalities: - Full user authentication capabilities - Real-time data processing features - E-commerce functionalities The ideal candidate will have: - Proficiency in the MERN stack - Hands-on experience with Kubernetes, specifically in deployment, scaling, and monitoring - A track record of fully integrating the MERN stack with Kubernetes - Strong problem-solving skills and a proactive approach to finding efficient solutions - Excellent communication and collaboration skills to work with our team effectively This is an urgent project with the poten...

I need an expert for developing a Java application for demonstration purposes. If you have expertise please apply with some previous samples. Also, no teams or companies please.

I'm looking for a Python developer with a strong background in OpenCV and detection libraries. The primary application of these skills will be real-time object detection. Key Tasks: - Implement real-time object detection using OpenCV and detection libraries - Ensure the system is optimized for real-time processing - Potentially intergrate the detection system into a larger software framework Ideal Skills: - Proficiency in Python, OpenCV, and detection libraries - Experience in real-time image processing - Ability to work on a variety of detection tasks - Previous work in implementing software for real-time applications Please provide relevant examples of your previous work in this area when applying.

We are seeking an experienced freelancer to help us drive sales and increase brand visibility through Meta Ads (formerly Facebook Ads) and Google Ads. Our company operates two websites, []() and [](), and we have ambitious sales targets of achieving 15 orders per day per website. Our target Cost Per Acquisition (CPA) is less than ₹400. **Responsibilities:** - Create and manage Meta Ads and Google Ads campaigns to drive traffic and sales to our websites. - Conduct keyword research and optimize ad copy for maximum performance. - Monitor campaign performance, adjust bidding strategies, and make data-driven decisions to improve ROI. - A/B test ad creatives, landing pages, and audience targeting to optimize conversion rates. - Provide regular reports and insights on campaign performance and r...

Hi We have a project to build our application using MERN Project goal: We have an incident management platform which was developed using PHP / Laravel / Mongodb and are looking for a development company to migrate this application to MERN. The current platform is not operational. The selected company will have to build from ground up the platform. We are on a strict timeline and our expected delivery timeline is max 6 weeks. Scope of work: - Ensure the new platform is fully operational from sign up to reporting. - Backend development including email integration with Mailgun. - Implement Google & MS single sign-on (SSO). - Documentation for the platform. - Develop a Super Admin module for user and database management. Additional information: - HTML of all screens is available. - Data...

FOR FREELANCERS IN SYDNEY ONLY I'm seeking the expertise of a Java software developer in Sydney, Australia. The ideal candidate should have a background in Android development and be able to take an existing software and expand. Key Responsibilities: - Expand an existing software of medical device on windows and tablet. - Implement and integrate . - Ensure the software remains compatible with mobile platforms and retains its user-friendly interface. Ideal Candidate: - Proficient in Java software development. - Prior experience with Android development. - Skilled in integrating. - Knowledge of user authentication and database integration. - Possesses the ability to maintain mobile compatibility. - Strong communication skills and team player. As equipment prov...

I'm looking for a skilled Laravel developer with extensive experience in integrating APIs. The project involves creating an auto-claim system by integrating the Social Security Fund API and the Health Insurance Board API provided Key Details: - The system should facilitate seamless claim submission. - Users must receive real-time status updates on their claim. - The system should automatically process and issue reimbursements. Required Skills: - Strong proficiency in Laravel development. - Proven experience with API integrations. - Familiarity with Social Security Fund and Health Insurance Board APIs is a plus. - Previous work on auto-claim systems is highly desired. Your application should ideally showcase your experience in similar projects.

I'm looking for a highly skilled developer to help me seamlessly integrate multiple APIs and Print-on-Demand (POD) services with my WooCommerce store. Print-on-Demand Services Integration - Integrate Printify, inkedjoy with WooCommerce. - Achieve real-time product catalog synchronization. - Ensure that new orders are automatically synced with POD providers. - Enable design mockup generation for products within eCommerce workflow. Ideal Candidate Skills: - Proven experience with WooCommerce API integrations. - Experience with Printify, inkedjoy platforms. - Ability to implement Product Catalog and Order Syncing features. - Proficient in mockup generation tool integration. - Strong understanding of eCommerce automation and streamlining. I'm lookin...

I need a wizard in backend development primarily focused on GraphQL, TypeScript, and Bun. This is a high-priority task that I prefer concluded as soon as possible. - Proficiency in the named technologies is essential - Efficient problem-solving approaches and creativity are a plus - Prior experience with Bun is significantly favored - Fast-acting and responsiveness are needed due to the urgency of the task This is a chance to exhibit mastery and punctuality, and the opportunity to work on exciting, indispensable backend tasks. Candidates who demonstrate speed and expertise are highly considered.

I'm urgently seeking an agency-level WordPress developer well-versed in the Houzez theme for my site. Among the tasks to be tackled are: - Coding issues: I've identified issues with HTML, CSS, and JavaScript coding. Your expertise in these areas is crucial for the success of this project. - Theme customization: I'm experiencing layout issues, functionality problems, and a lack of mobile responsiveness with the Houzez theme. Thus, I need someone proficient in theme modifications and customization. - Custom page creation: There are some specific pages to be designed with custom codes. I'm a fan of creative and innovative design, so a similar approach would be perfect for these pages. - Tech stack: Besides the coding languages mentioned above, experience in PHP, R...

I'm looking for a skilled front-end developer with extensive experience in React JS for an accounting application project. - **UI Design**: I've already designed the user interface (UI) for the application, so you will be responsible for turning this design into a functional and responsive front-end. - **API Integration**: You should also have a good understanding of integrating APIs to ensure the application runs smoothly and efficiently. **Key Requirements:** - Strong experience in React JS - Proven track record in front-end development - Ability to translate UI designs into responsive webpages - Experience in integrating APIs - Understanding of user authentication, particularly user registration and login features - Having a knowledge on accounting and finance wil...

Our company is looking for a proficient mobile app developer who can create a multi-platform (iOS & Android) application. The app will revolve around integrating Google Maps, where users can access and utilize its features seamlessly. Actually similar to this App in Play Store, really please check before you bid and state your budget for this fixed price project. Key Requirements: - Expertise in developing cross-platform mobile applications.

I'm in need of a skilled PHP developer to create a comprehensive backend system for my project. The primary functions required for this system include: - User authentication: The system should be able to allow users to register, login, and manage their accounts. - Data storage and retrieval: The system will need to store and retrieve various types of data in an efficient and secure manner. It's also important that the backend system integrates with existing databases and APIs. Please note that the specific level of user access control has not been decided yet, although it's likely we'll need more than just basic access controls. Ideal skills and experience for this project include: - Proficiency in PHP and backend development - Experience with integrating d...

I am seeking an experienced Android app developer to create "RessacaPay," a mobile application designed for a school in Contagem, Brazil. This app aims to foster positive behaviors among students by allowing them to earn and spend points on school-related items through a rewards system. Overview of RessacaPay: "RessacaPay" integrates a digital rewards system where elementary and high school students earn points for positive behaviors and academic achievements. These points can be used to purchase various items at the school store, enhancing the educational experience through positive reinforcement. Core Features: Reward system for tracking and managing points. QR payment functionality for secure transactions within the app. User dashboards for both students an...

iOS developer for an alarm type application, must be able to work autonomously. I will provide the concept and some wireframes, the expectation is you will design and UI and workflow which fits the use cases I need. You must have a good understanding of how App store subscriptions work, as we may need to implement that. I will not contact you outside of Freelancer, if you ask for it, I will find someone else. The app will be required to create several types of alarms with optional snooze, some metrics need ot be gathered. You are expected to check in the code to my repo, I will only release payment once I can build and test the application. Start your bid with "subscription aware" to state you have read this in its entirety and can handle all the components.

Job Title: Senior Full Stack .NET Developer Monday to Friday 2-3 hours/day IST Night (7am to 11am IST) Salary: 25,000 INR per month Job Description: We are seeking a highly skilled and experienced Senior .NET Developer to join our team. The ideal candidate should have strong proficiency in C#, ASP.NET MVC, and the .NET Framework, along with expertise in various web-related technologies such as HTML, CSS3, JavaScript, and jQuery. Additionally, familiarity with database technologies including SQL Server and T-SQL is essential for this role. One needs to be available in the mentioned timings and willing to work by screen share and remote control via Zoom. Skills Required: C# ASP.NET MVC .NET Framework Entity Framework HTML CSS3 JavaScript Typescript Angular

I'm looking for a front-end developer proficient in CSS, JavaScript, TypeScript, and SASS. The ideal candidate should also be familiar with React and MobX. Key Requirements: - Proficiency in CSS, JavaScript, TypeScript, and SASS - Experience with React and MobX - Ability to work on the project ASAP Additional Information: - The developer should finish some UI components and connect the application to API endpoints - Please only submit your proposal if you can start work on the project immediately as the project is due by Sunday 14, 17:00 GMT

Hello,I'm seeking a skilled developer to create a script to automate the generation of PDF letters from predefined templates and information extracted from existing :Automate the drafting of letters to our clients using the same content, but customizing the header with information from our the signature of the signer at the end of each Features:Automatic selection of the header of the corresponding invoice from a database of of letter content from a predefined of the signature based on signer of all elements to create a final PDF file of the Skills:Proficiency in programming languages such as with PDF manipulation libraries such as PyPDF2