Socket programming experience jobs
I need high-quality, self-paced learning videos on Java, Python, AWS,software testing, html, and Javascript, reactJS, NodeJS..etc focusing on beginner levels of proficiency. Key requirements: - The videos should be comprehensive and easy-to-understand, covering the basics of the three profound programming languages - Should be presented in a manner that promotes self-paced learning. Ideal candidate: - Experienced programmer with an ability to present complex ideas in a simplified manner - Should have previously produced training or informational videos - Knowledgeable in Java, Python, and Javascript - Excellent verbal communication skills - Proven ability to design a curriculum or a course structure. This project presents an opportunity to contribute to the learning journey of...
We are seeking an experienced C++ developer with a strong understanding of the AmiBroker Formula Language (AFL) for a project involving modification of existing AFL scripts. The ideal candidate should have extensive knowledge of C++ programming and be proficient in AFL syntax and functionalities. The tasks may include enhancing existing AFL formulas, optimizing code for performance, and implementing new features to meet specific requirements. If you have the requisite skills and are interested in contributing to this project, please reach out to us with your qualifications and availability.
I need a freelancer with the following qualifications to commit and push C++ code from a Linux environment to Github: • Strong knowledge and experience with C++ programming. • Proficient in Git versioning and repository management. • Familiarity with the Gitflow workflow methodology. This project requires seamless code transfer, ensuring consistency and minimizing potential conflicts. I would prefer the use of Gitflow branching model for its beneficial structure for larger projects. If you have a keen eye for detail and are organized with your coding practices, then you would be a perfect fit for this project.
...a specific eye on predicting energy consumption and forecasting demand. - Utilization of diverse data sets including historical energy consumption data, relevant weather data, and pertinent economic indicators to train and test models. Ideal Skills and Experience: - Proficiency in Python programming, especially in the context of machine learning, AI, and deep learning applications. - Solid understanding of energy forecasting models mentioned (ARIMAX, SARIMA, MARS, Random Forest, and XGBOOST) and their practical implementations. - Experience in handling and analyzing complex data sets, specifically those related to energy, weather, and economic indicators. - Ability to guide a learner through the technical aspects of coding for energy forecasting, ensuring the conce...
...questions: The bot must interpret and answer text-based inquiries based on the provided documentation. - Real-time interaction: I expect the bot to be capable of real-time interactions, providing insights and decision-making support on the fly. Ideal Skills Required: - Python: Mastery of Python programming is essential, the individual must be knowledgeable about configuring chatbots using this language. - Deep Learning: The freelancer should have a broad understanding of deep learning models, specifically experience with the GPT-2 pretrained model. - Natural Language Processing (NLP): Skills in NLP are essential, given the bot’s need to interpret complex inquiries and provide meaningful responses. Knowledge of maintaining privacy and confidentiality in an offline e...
I'...website dedicated to staffing and recruiting. Here's what you need to know: - Site Focus: We'll mainly be looking for niche roles such as PeopleSoft Professionals, Oracle Cloud Professionals, Salesforce Experts, and Web Developers. - Platform: We're yet to zero down on our preferred technology or programming language, so your suggestions based off our needs would be highly valued. Skills and Experience Needed: - Web Development Experience - Knowledgeable in various programming languages - Experience building Staffing/Recruiting websites would be a bonus - Must be able to contribute ideas to the site's design and function. If you're excited by the prospect of shaping a staffing/recruiting platform from the ground ...
I require a skilled Python programmer who can accurately use relevant data to forecast Covid outcomes for a specific locale. I will provide Covid case numbers for this single location, and expect accurate forecasting from the analysis. Ideal candidates should: - Possess robust Python programming skills - Have experience in forecasting and data analysis - Be familiar with handling health-related or Covid-specific data Please only apply if you are comfortable working with this type of data and can handle the sensitive nature of this subject with professionalism.
I'm in need of an experienced C coder who is proficient in debugging process groups, signals, and signal handlers specific to a Linux-based C...who is proficient in debugging process groups, signals, and signal handlers specific to a Linux-based C program. This program mirrors a basic shell context. Key Responsibilities: - Troubleshoot and resolve major issues related to the core functionality of the C program. - Review, analyze, and validate the program for fault detection and rectification. Ideal skills and experience: - Demonstrable skill in C programming and debugging. - Extensive familiarity with Linux operating systems. - In-depth understanding of process groups, signals, and signal handlers. Please note, the code is finished, further specifications and tes...
I'm in immediate need of a proficient C programmer who can perform some quick alterations to my code. While the specifics changes remain undefined, the successful candidate should...specifics changes remain undefined, the successful candidate should be comfortable with variable renaming, algorithm modification, and function addition. Your application should prominently showcase your experience with similar work, as that's my key selection criterion. A lack of project prerequisite details implies a level of flexibility, but you should be ready to work within possibly varying programming environments. Skills and Experience: - Proficiency in C programming - Experience in renaming variables, modifying algorithms and adding functions - Flexibili...
I'm looking for a seasoned developer to build a tool capable of extracting text ,images, and links from a specific website. I will provide in a text what links i need ...developer to build a tool capable of extracting text ,images, and links from a specific website. I will provide in a text what links i need to be scraped and the tool should save the data in a folder I'm particularly interested in your past experience relating to similar projects. The essential requirement for the tool is it should be compatible with the Windows operating system. Ideal Skills And Experience: - Expertise in web scraping - Proven track record of creating data extraction tools - Familiarity with Windows environment and compatible programming languages - A keen eye for detail t...
We are currently looking for experienced writers to produce high-quality articles on Python programming. We are sharing a few topics that we would like you to write about. Not less than 1500 words, with sample code and screenshots if necessary, with grammarly and plagiarism checks done. Each article should be in Word document. Per article, INR 500. versus Python Key differences Python certificates 3..SQL versus Python , which one to learn Libraries for Datascience 5.10 Python Tips and Tricks Every Developer Should Know with Databases in python Python Functions of Iron python Python in C# Applications Giants that use python
I need a bot devel...three mentioned platforms efficiently. - Upvote performance: It should not only auto-follow certain protocols, but it needs to cast upvotes to allow particular tokens to trend. As for the required skills and experience for this project: - Experience with scripting bots for platforms like CoinGecko, CoinMarketcap, and Dextools. - Understanding of the cryptocurrency market and token trending mechanisms. - Expertise in respective API integration of CoinGecko, CoinMarketcap, and Dextools. - Strong background in programming and software development for custom functionality. - Experience in performance optimisation to ensure the bot functions smoothly and efficiently. Once developed, I hope the bot to contribute significantly in getting toke...
I am currently looking for a proficient tutor to teach me Go programming. Having already familiarized myself with the basics of programming, I am equipped with a solid foundation and ready to advance my skills. For this particular service, I prefer someone who: - Has an advanced level of experience in Go programming - Can proficiently teach Web Development, specifically APIs and Microservices - Has excellent teaching skills, able to explain complex concepts in a simple, clear, and interactive manner - Can create a personalized, dynamic program that can effectively develop my programming skills If you have the ability to deliver all these aspects to me, please submit your bid. I am eager to find the right expert to mentor me in this advanced level journ...
I am seeking for freelancer that have worked with EaseFilter drivers. If you know what is EaseFilter driver and have worked with them, I would expect a demo before awarding project.
We are seeking a skilled embedded systems engineer to develop a FlexRay driver for the STMicroelectronics SPC56EL54 microcontroller. Responsibilities: -...Develop a test application to demonstrate driver functionality, to be developed for SPC56xL Discovery+ Evaluation board. The ideal candidate should have: - Proven experience in embedded systems development. - Strong understanding of FlexRay communication protocols and network concepts. - Expertise in C programming with an eye for clean and efficient code. - Familiarity with MISRA-C coding guidelines is a plus. - Experience with NXP SPC56 MCU architecture is a plus. Candidates with past experience in similar projects are desired. Your bid will be more successful if you can show past work on FlexRay drivers o...
...The site will heavily feature: - Dynamic imagery or portfolio: Photos, sketches, models, and final creations should be visually striking, easy to navigate and update. Your experience in creating visually stunning portfolio galleries will be highly valued. This website should act as an effective tool during interviews to present to future clients, therefore the ability to add and alter content without comprehensive programming knowledge is a must. Skills ideally required: - Web design - Web development - Graphic Design - UI/UX Design - Portfolio Management -and its on squarespace i can always change that Experience building portfolio websites for creative professionals is a plus. Incorporating your educational background and the importance of job acquisitio...
I am currently seeking a well-versed computer programmer in C or C++ with a solid understanding of dynamic programming and algorithms. Key Attributes: - Proficient in the C or C++ languages - Able to design and implement intermediate complexity algorithms - Knowledge on various aspects of Dynamic Programming, with a specific focus on Bottom-up and Top-down approaches. With your wide range of skills, you'll be tackling resource allocation problems, resolving combinatorial problems, and strategizing decision-making sequences. Previous experience in dynamic programming will be beneficial. Your role is integral to the success of my project. If you are skilled in these areas and thrive on complexity, then this might just be the project for you!
I'm seeking a highly skilled freelancer to design a web scraping software that is capable of extracting important data from an Amazon product page. Key details that I aim to collect include sellers' details, their c...should: - Be browser-based, specifically compatible with Google Chrome. - Prioritize extracting sellers' details and prices as the critical first information. - As an add-on, pull data on ratings, delivery timings, and other attributes related to each seller. Ideal Skills: - Comprehensive understanding of Web Scraping Software development. - Previous experience in executing similar projects. - Proficiency in Google Chrome browser based programming. - Familiarity with Amazon's information system, especially product pages. - A knack for ...
I'm seeking a seasoned developer to create a web application for organizing my contact database, including information from multiple sources like email, iCloud, other apps. The database should be c...number - Location - Company Beyond this, the application should have functionalities that allow: - Seamless importation and exportation of contacts - Efficient contact categorization The ideal candidate will have experience in developing robust, user-friendly web applications, preferably with a background in database management systems. A successful implementation of this project requires a good understanding of contact management, data entry and storage, and superb UI/UX skills. Proficiency in web development languages like HTML, CSS, JavaScript, and back-end programming...
Looking for Matlab guru to help with creating a robust and efficient simulation. This project will require advanced knowledge and experience in the following areas: - Specific expertise in Matlab coding and programming - this code will require understanding in how to code a maze solver. Your task will be focused primarily on the execution of coding and programming for this simulation. An ability to optimise for efficiency is critical. Looking forward to a successful collaboration. i will send further information to replies.
I am currently seeking a skilled senior .Net developer with experience in .Net Standard 2.1 and Angular 2+. Key responsibilities include: - Building robust architecture - Coding and debugging existing source code The ideal candidate for this project should have: - Proven experience with .Net Standard 2.1 - Expertise in Angular 2+ - Proficiency in code design, building architecture as well as coding and debugging - Strong problem-solving skills This role would suit someone with a passion for programming and solving complex coding challenges. Please provide examples of previous work with .Net Standard 2.1 and Angular 2+ during the bidding process.
I need expert assistance in comprehensive web development tasks, which include both front-end and back...using latest trends and tools. - Managing the compilation and structuring of back-end data. - Ensuring cross-functionality between front-end and back-end processing. Python, along with other languages, will be key in this development process. Therefore, proficiency in Python and a substantial understanding of other programming languages is highly desirable. Skills and Experience: - Profound competence in Python and familiarity with other programming languages. - Proven experience in full-stack development. - Familiarity with latest web development trends and techniques. - Strong problem-solving abilities. - Versatile understanding of web design principles ...
I'm looking for a capable developer well versed in the Python programming language along with a deep understanding of Convolutional Neural Networks (CNN) and image processing libraries such as dlib. The main objective of the project encompasses: * Detecting lips from numerous images, * Implementing HoG SVM to save frames of various emotions like smiling and anger, * Applying it on CNN for both training and testing in a Jupyter Notebook interface. Key bidders should be proficient in: * Python Programming: Dlib, CNN, and Jupyter notebook are platforms you should be familiar with. * Machine Learning: Proficiency in CNN model training, testing, and tuning is crucial. * Image Processing: Ability to work with large datasets of images and extract the specific frames. The p...
...should connect to a database for my program writted in batch. Key Responsibilities: - Develop a secure API key login system primarily targeting user authentication. - Ensure the implementation offers robust SSL encryption to uphold top-tier security and trustworthiness for system users. Ideal Candidate: - Profound knowledge and experience in MySQL and API integrations. - Strong background in programming languages suitable for this task. - Demonstrated experience in implementing SSL encryption in a similar context. Your expertise in developing secure, efficient, and seamless systems will be fundamental to this project's success. I look forward to hearing about your previous relevant works and how your skills can meet the project’s needs. Please bi...
...diseño/css Si estás familiarizado con este plugin este trabajo quizás te resulte fácil pero requiere algo de tiempo. Las licencias de Paid Membership Pro y Events manager Pro son válidas y si hace falta tenemos acceso al soporte de ellos (suelen responder en 24h) Si tienes alguna pregunta o duda, no dudes en preguntar. ?? English Version: I'm looking for a developer with the necessary programming and design knowledge to configure and adapt the design and functionalities of the "Events Manager Pro" plugin on a membership website with "Paid Membership Pro". Information about the website: Platform: WordPress Theme used: Child theme of Twenty Twenty-Four Main plugins: Paid Membership Pro and Events Manager Pro Hosting...
I need a skilled Kotlin programmer to create a small application for a school project to run on Windows. This isn't a mobile app, so expertise in Windows-based Kotlin software is essential. Basic topic / task: Programming a three-component application in Kotlin A “component” is understood to be a part of the program that exclusively covers a specific area of ​​responsibility of the overall application, functions independently and has defined interfaces. Examples of components: user interface (UI), business logic, controller, model, data connection. Any pattern can be selected as the application architecture, which covers the entire application divided into three logical components. It offers a pattern covered in class on, i.e. a layered architecture or MVC. Other ...
I am currently on the hunt for a ...where appropriate for the best possible understanding and prediction. - Implementing machine learning methods and systems to improve effectiveness of financial data analysis. Skills & Experience: - Be highly adept in Python programming, as the bulk of work will be done through this language. - Tableau experience is also necessary as it will be utilized for data visualization. - A clear knowledge of the finance industry is fundamental, as the entire project revolves around this field. In essence, the ideal candidate should have a firm grasp of data science elements, Python and Tableau, coupled with experience in the finance industry. This combination of skills will ensure that the analysis and resulting insights align w...
I need an experienced Python developer who is proficient with managing files and opening URLs using Python on Windows. The task involves writing a Python script that interacts with Windows file management system to initiate a specific action...file management system to initiate a specific action. Key Requirements: - Identify when a new file has been created within a certain directory. - Trigger an event to open a URL in Google Chrome whenever such a file is created. - It's critical that this URL opens in a new tab within an existing window of Chrome. You must have experience in: - Python - Windows Operating System - Chrome Browser Operations Knowledge of system monitoring and event-driven programming is also a big plus. The goal here is to automate processes and...
I'm seeking a proficient developer to create a virtual assistant that operates seamlessly on the Windows platform. Unfortunately, the functionalities of the assistant were n...range of capabilities, including but not limited to: - Schedule management - Email correspondence - Web browsing While there's no set deadline for this project, the developer should have a track record for working efficiently under minimal supervision. Proficiency in AI technologies, Microsoft's Windows APIs, and programming languages such as Python or C#, will be ideal. The ability to conduct testing on different versions of Windows would also be beneficial. Previous experience developing similar software will place freelancers at an advantage. Encourage you to bid for this project, ...
I'm currently requiring support with a fascinating project I'm working on. The project involves developing a highly tailored program for an ESP8266 wifi module that will be used in a digital RGB LED clock based on wled. The progra...small and big size clock) - The ability to enable and disable all features in the WLED UI Also, a key functionality of the alarm feature in this program should revolve around having a custom sound. Additionally, the auto-brightness feature should be smart enough to adjust itself relative to the room lighting intensity. Freelancers seeking to bid on this project should ideally have experience in ESP8266 programming, digital clock systems, coding for interactive features, light responsive systems, and a formidable understanding of use...
I'm seeking the expertise of a Daslight4 DMX programmer to bring radiance and life to my lighting setup. Primary responsib...and life to my lighting setup. Primary responsibilities include: - color mixing - creating movement effects - integrating flame machines and lasers into the lighting choreography I don't have a specific color palette in mind, which opens the door for creative input from the professional onboarded. Skills and Experience: To be a successful candidate, you need: - strong proficiency in Daslight4 DMX Software - in-depth understanding of color mixing techniques - experience working with flame machines and lasers - an inventive eye for creating dynamic light shows Your artistic direction will play an instrumental part in setting the perf...
I am looking to develop an action game for PC. The preferred graphic style for this project is cartoon-style. - ...project is cartoon-style. - The Game: The genre of the game is action, I want engaging gameplay with immersive action elements. - Platform: The game should be developed exclusively for PC. - Style: The vision for the art style of the game is vibrant and appealing cartoon aesthetics. Skills and Experience: • Proven experience in developing action games. • Expertise in PC game development. • Strong background in creating cartoon-style graphics. • Proficient in relevant software and programming languages. This project requires a blend of creative graphical design and technical development. I welcome enthusiastic, skilled developers...
I am looking to develop an action game for PC. The preferred graphic style for this project is cartoon-style. - ...project is cartoon-style. - The Game: The genre of the game is action, I want engaging gameplay with immersive action elements. - Platform: The game should be developed exclusively for PC. - Style: The vision for the art style of the game is vibrant and appealing cartoon aesthetics. Skills and Experience: • Proven experience in developing action games. • Expertise in PC game development. • Strong background in creating cartoon-style graphics. • Proficient in relevant software and programming languages. This project requires a blend of creative graphical design and technical development. I welcome enthusiastic, skilled developers...
In need of a seasoned freelancer, who can create a detailed 3D wood carving design compatible with CNC machines. Though I still haven't decided...detailed 3D wood carving design compatible with CNC machines. Though I still haven't decided whether it'd be a sculptural, relief, or an engraved design, it's important for you to have experience in all facets. Ideally, you have: - Proficiency in software relevant to 3D modeling and CNC programming. - Broad experience in wood carving designs. - Knowledge in different types of wood and their individual carving characteristics as determined by their grain and hardness. - Ability to think creatively and adapt to various design preferences. Please include in your application a detailed overview of your ex...
I'm in need of a seasoned professional experienced in producing 3D designs for CNC. No specific machine applicability necessary, as the project mainly focuses on the structural integrity of the design itself. Key skills I'm looking for: - CNC programming and operation knowledge - Proficiency in 3D design software Please make sure to include: - A highlight of your relevant experience in CNC and 3D design. Please, no beginners. Only experienced applicants will be considered. Efficiency and accuracy are of utmost importance to this project.
I'm in need of an expert who has great capabilities in Groovy programming language to help write a Jenkins file that will be used to facilitate Continuous Integration in a cloud-based environment. DETAILED REQUIREMENTS: Groovy: - Must have extensive experience in Groovy programming language. - Should be able to create a Jenkins file that supports a robust CI pipeline. Continuous Integration: - Should possess a strong background in the implementation and management of CI pipelines. - Will need to ensure the pipeline can handle regular and reliable code changes. Cloud-Based Environment: - Should have experience integrating applications in the cloud. The ideal freelancer for this project should have a firm grasp of DevOps principles and should be ...
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I am seeking a skilled Python developer to spearhead the migration of my company's databases from our local servers to a cloud solution. The specific cloud provider and databases to ... and MongoDB. It's crucial that the freelancer I hire has a clear understanding of high availability, scalability, and data security as these areas were not ruled out as possible requirements during the migration process. Experienced freelancers will know to consider these crucial components as part of the standard database migration strategy to the cloud. Skills and Experience: - Proven experience with Python programming - Familiarity with multiple cloud providers (AWS, GCP, Azure) - Knowledge of various databases (MySQL, PostgreSQL, MongoDB) - High availability, scalability...
I need an expert in WordPress and plugin customization to modify my WP Travel plugin. Specifically, I require: - Redesign of layout and user interface to suit my specific needs - Integration with other plugins - Extensio...Redesign of layout and user interface to suit my specific needs - Integration with other plugins - Extension of the checkout function to include custom fields such as monthly installments and the ability to adjust these installments - Modification of pricing calculations - Full integration with a payment gateway The ideal freelancer should have experience in WordPress plugin customization, particularly the WP Travel plugin. Proficiency in programming and UI design is a must-have for a successful completion of this task. I look forward to discuss...
...members. Requirements: Bachelor's degree in Computer Science, Engineering, or related field. 5+ years of experience in full stack JavaScript development. Proficiency in front-end technologies such as HTML5, CSS3, JavaScript, and modern JS frameworks (React, Angular, Vue.js). Strong understanding of server-side programming languages such as Node.js. Experience with database technologies such as MongoDB, MySQL, or PostgreSQL. Familiarity with RESTful APIs and GraphQL. Knowledge of code versioning tools such as Git. Excellent problem-solving and debugging skills. Ability to work independently and as part of a team. Strong communication and interpersonal skills. Bonus Skills: Experience with cloud platforms such as AWS, Azure, or Google Cloud. Knowledge of...
...business, I am looking for a seasoned freelancer whose expertise will lead to increased brand visibility. Your prior experience is of utmost importance and would ideally prove your prowess in making a brand stand out in a highly competitive market. Key Tasks: - In envisioning and planning innovative engagement strategies, your role would be pivotal. - Implementing these strategies to guarantee effective execution. Ideal Skills: - A broad understanding of diverse business contexts. - An innovative mindset, proven with successful, experience-led techniques. - Exceptional communication skills to work hand in hand together. In your application, please detail your prior experience in boosting brand visibility and the specific strategies adopted to achieve success. T...
I need a skilled Kotlin programmer to create a small application for a school project to run on Windows. This isn't a mobile app, so expertise in Windows-based Kotlin software is essential. Basic topic / task: Programming a three-component application in Kotlin A “component” is understood to be a part of the program that exclusively covers a specific area of ​​responsibility of the overall application, functions independently and has defined interfaces. Examples of components: user interface (UI), business logic, controller, model, data connection. Any pattern can be selected as the application architecture, which covers the entire application divided into three logical components. It offers a pattern covered in class on, i.e. a layered architecture or MVC. Other ...
...that will print a special pattern and then decode the printed numeric pattern. The project requires seamless integration with some specific hardware components, which include: - Controller (Raspberry pi or similar platform), module with minimum 4 high speed outputs to drive 4 high speed valves in printhead (programming required) and will need at least 3 additional inputs and 3 additional inputs - printhead - NIR camera (Either USB or HDMI) - Display or touch screen (programming required) - Hardware capable of wireless and wired communications with other devices See attached System Hardware Diagram for the FULL LONG TERM scope of project. The INITIAL project is (1) Develop functioning printer (2) Develop Camera- based print decoder. These will require the functioning ...
I'm seeking an experienced professional who can undertake an AMCAT test representing me. You should possess comprehensive knowledge in the following areas: - English Language - Logical Reasoning - Quantitative Ability - Technical Skills, with a focus on Programming Languages, Web Development, and Database Management Please be assured that the level of difficulty we're targeting is set for beginners. To be suitable for this task, you must have a good understanding of these subjects and be able to convey knowledge effectively. Accuracy and precision are of utmost importance.
As an experienced developer, I nee...Instagram's in-app browser. We are on a tight schedule and need this element completed within this week. Your responsibilities include: - Understanding our existing codebase quickly - Programming in Typescript to create a dialog or modal that works smoothly with Instagram's in-app browser - Testing the function to ensure that it works properly Ideal Experience: - Proven skill in development is crucial for this job. - Familiarity with Instagram's in-app browser and working with modals is a plus but not a must. - Ability to work under a strict deadline. In your application, please highlight your practical experience with Next.js. Specify the kind of projects that you have handled in the past that underline your ...
I'm seeking an experienced web developer to design and build a classifieds website specializing in vehicles such as cars, trucks, and motorcycles. Key website featur...crucial for this project. Users should be able to filter their vehicle search based on the following criteria: - Make and model - Price range Ideal freelancer qualifications: - Expertise in web development, specifically for classified ad websites or similar. - Experience with programming search functions and filters. - Knowledge of automobiles industry might be beneficial. - Excellent attention to detail and understanding of user experience. Your proposal should include a brief overview of your related experience and estimated timeline for the project. Also, suggestions for enhan...
...should have in-depth knowledge and hands-on experience with these AWS services. Responsibilities: Implementation and Management of AWS IoT Core: Set up and manage AWS IoT Core to connect IoT devices. Ensure reliable and secure data collection from devices. Creation and Management of Rules and Destinations in IoT Core: Define and implement rules to filter and transform IoT data. Route messages to appropriate AWS services. Integration with Amazon DynamoDB: Configure DynamoDB for efficient storage of IoT data. Optimize database structure for fast, scalable access. Development of AWS Lambda Functions: Create Lambda functions in Node.js for data processing. Integrate these functions with DynamoDB for data reading and processing. Optional: Experience with Amazon S3: Knowl...