Programming small proyect jobs

I'm looking for an experienced back and fro...Configure and optimize the server for best performance Front End Developer Responsibilities: - Fix WooCommerce related issues - Resolve theme errors and ensure smooth functioning - Correct responsive design issues and CSS conflicts - Undertake necessary programming tasks related to the theme Ideal candidates should: - Have a strong understanding of WordPress - Be proficient in WooCommerce and its ecosystem - Be skilled at resolving theme errors and coding - Be experienced in handling responsive design and CSS issues - Possess good programming skills for custom theme requirements Please note that the theme errors need to be handled with precision and efficiency. The project success will depend on how well these issues are a...

I am in search of a proficient individual in crafting an impressive...apply for. Key requirements: - Knowledge and understanding of the AI industry, especially machine learning - An understanding of the programming languages utilized in AI, specifically Python Ideal skills and experience: - Previous experience developing resumes for Senior-level roles in tech industries. - Proficiency in Python, ideally within the context of AI and machine learning - An understanding of the relevance and applicability of various programming languages and machine learning in the AI field could be a great advantage in writing this resume. Overall, I require a resume that candidly but effectively highlights my skills in Python programming and machine learning in the context of a se...

I'm seeking an experienced developer to create a complete Learning Management System for lawyers and law students. The LMS should feature effective user management, course management, assessment mechanisms and more. Key functionaliti...dispensing courses efficiently. The structure should be clear and easy to navigate. - Assessment Tools: Ability to create and manage assessments, tests, quizzes etc. from within the system. Although I may have missed specifying some features, I expect the chosen freelancer to have deep understanding of LMS platforms and to suggest features that could improve user-experience and efficiency. Strong programming skills, particularly in languages commonly used for LMS development, and experience in designing LMS for the education sector will be mu...

I'm looking to have a custom aimbot script made for a game that was released in 2004. This game has no anti-cheat, making the development process seemingly straight-forward for someone with experience in coding Gunbound scripts. The aim of this project is to create a basic aimbot script. I'm open to programming language suggestions, as long as it's optimal for the task at hand. I'm not interested in additional features at this stage, just a simple script to enhance aiming in the game. Ideal Skills: - Proficiency in coding custom aimbot scripts - Experience in Gunbound or similar game - Proficient in C++, Python, or AutoHotkey (preferred, but not mandatory) - Strong understanding of game mechanics Please provide details of your similar previous projects when ...

...looking for a Python developer who can help me debug my code. The project involves: - Debugging logic errors: The Python code has some underlying logic errors that are causing the program to behave unexpectedly. I need someone who can identify the root cause of these issues and provide solutions. The ideal candidate should have: - Proficiency in Python: You should be well-versed in Python programming, with a strong understanding of Python syntax. - Experience with debugging: Previous experience in debugging Python code, particularly with logic errors, would be advantageous. - Problem-solving skills: You should be able to think critically and logically to identify the issues in the code and propose effective solutions. Please note that the primary purpose of the project hasn&...

I'm looking for an experienced Java developer to help me with my test cases. The primary focus of these tests is Integration testing for multiple components. Ideal skills and experiences: - Java programming - Expertise in Mockito/Power Mockito - Experience in integration testing - Ability to work with existing test cases and refactor them.

...efficiently fetch product descriptions data prices etc from the provided XLS and PDF files. - Generate automated responses: The agent should be capable of generating automated responses based on the product information retrieved and a give set of decision terr rules. Platform Compatibility: - The AI agent should be compatible with both web and mobile platforms. Programming Language: - While I have no specific preferences for the programming language, developing the AI agent using Google App Script is preferred for the first version. However, feel free to propose alternative languages that can efficiently meet the project requirements. Ideal Skills: - Proficiency in AI development, with a focus on chatbots, automated responses, and data retrieval. - Bilingual proficienc...

I'm seeking an experienced C++ developer to create a simulation study focused on analyzing system performance. The freelancer should be proficient in: - C++ programming - Building simulation models - System performance analysis The end goal is to have a robust, accurate simulation that can analyze the performance of various systems. Prior experience in similar projects would be highly advantageous.

Handwritten/Manual Structural Engineering Calculations for concrete water tank and steel warehouse.

I'm in need of a Windows compatible desktop application that has the capability to resolve Cloudflare's CAPTCHA. For this project, I prefer to have it built in C#. Key requirements: - The main functionality of the application should be browser automation, specifically for working with Cloudflare's CAPTCHA. Ideal skills and experience: - Expertise in C# programming. - Proficiency in desktop application development. - Prior experience in building applications with browser automation functionalities.

I'm in need of an experienced developer who can build a robust reverse proxy with a focus on traffic management, particularly incorporating WebSocket support. Key Project Requirements: - Traffic Management: The main focus of this proje...success, as it will be used in a diverse network environment. Ideal Skills and Experience: - Proficient in reverse proxy development - Experience with WebSocket protocols - Strong understanding of traffic management - Familiarity with multiple network protocols - Ability to code efficiently and with scalability in mind This project will require a developer with a strong background in network programming and reverse proxy development. If you have the skills and experience needed and are up for a challenging, yet rewarding project, I'd li...

...experienced Java programmer to build a stripped-down visual representation of Pacman game mechanics for a basic coding project. Only in Programming 4.3 IDE. Key Functionalities: - Pacman Movement: Program the user's ability to control and move Pacman around the maze. - Pellet Consumption: Pacman should be able to eat pellets within the game. - Ghost Behaviors: Ensure ghost characters are present and exhibit the expected behaviors. Design and Visuals: Design need not be complicated. I require a simple, minimalistic design that effectively communicates game mechanics without overwhelming visuals. Ideal Skills and Experience: - Solid experience in Java programming - Previous experience creating game prototypes would be a plus - A keen eye for simple yet effectiv...

I'm in need of an expert in digital electronics to assist in a project of mine. The specifics of the project, including whether it involves circuit design, PCB layout, or microcontroller programming, we can discuss in further detail. Key requirements: - Proficient with digital electronics and related technologies - Experience with either circuit design, PCB layout, or microcontroller programming - Ability to collaborate effectively and share project files as needed Your role will be instrumental in the success of this project, and I am looking for someone with a proven track record in this field. Let's connect and discuss the project further.

...platforms. Ensure the plugin's compatibility with the latest versions of the platforms. Perform testing and debugging to ensure smooth functionality of the plugin. Document the development process and create user guides. Collaborate with the internal team. Requirements: Proven experience in developing plugins and interfaces for e-commerce platforms. Strong knowledge of programming languages and technologies required for the listed platforms. Experience with API integrations and web services. Familiarity with best practices regarding security and performance optimization in e-commerce. Good communication skills and the ability to clearly document technical matters. Independent and reliable work style with a focus on quality and meetin...

I'm in need of a professional CV writer to create two separate CVs for me. One will focus on my expertise in IT, the other on Project Management. Key Requirements: - The CV for my IT specialisation should include all relevant technical skills, IT certifications, and programming languages I possess, to ensure they are ATS compliant and keyword-rich. - The CV for my Project Management specialisation should highlight my experience in managing projects, leading teams, and achieving project milestones. - Both CVs should be designed in a traditional format. - My level of experience in the respective fields is mid level, so the content should reflect this.

I need an experienced PHP developer to help me with modifications to my Martfury website. The project is quite urgent,...security of the site. Key tasks include: - Developing custom reports: The reports I need are not limited to standard sales or inventory reports. They may involve complex data analysis and presentation. - Enhancing security: I'm looking for someone who can identify vulnerabilities and provide solutions to protect the site from potential threats. Ideal skills and experience: - Proficient in PHP programming and Martfury website development. - Strong understanding of data analysis and reporting. - Previous experience in web security enhancements. The completion time for this project is ASAP, so I'm looking for a developer who can commit their full attent...

Hello! I need someone who is an expert in web programming with PHP to translate any kind of PDF for free in using PHP. This PDF must not lose its quality. It must remain intact and it must preserve the ORC format, style and all. I want the translation to be exactly like the one from onlinedoctranslator.com. I know you're going to tell me that the Google Translate api isn't free, but you can use this library (link removed) . Then it has to choose the number of pages in the PDF. Even if the PDF is 100 pages or more, it must be able to translate it. It must support encrypted PDFs and PDFs protected by passwords. I will use your code in my site. You can visit it and you'll see that the PDF translation is missing. I've told you everything and I hope you'll give ...

Fix issue with enclouser Extend the pcb by 20mm

I'm seeking an intermediate-level programmer with experience in Embedded C and 8051 Microcontroller. The project involves designing a system that takes input from 3 sensors a...Requirements: - Design a system on 8051 Microcontroller - Program the system in Embedded C - 3 sensor inputs and motor output - Intermediate experience level - Assist in sourcing necessary components I have a strong preference for someone who has worked with 8051 Microcontroller and has experience with designing systems that integrates sensor inputs and actuator outputs. Your role will involve both programming and assisting in recommending and sourcing the necessary sensors and actuator for this project. If you're experienced in these fields and can commit to assisting with the components, I'...

I'm looking for a professional who can work with me in programming and installing a POS system on Ingenico iwl250 GPRS terminals. Details: - Programming: The system requires a set of specific programming requirements such as customisable user interface, integration with existing POS software, real-time inventory management, and OS download. - Installation: The installation could be a mix of fixed and remote installations, so you must have experience with both. Additionally, the system requires security features like encryption of sensitive data, secure remote access, and user authentication. Ideal Skills: - Prior experience in programming POS systems - Proficient in customizing user interfaces - Strong background in real-time inventory management - K...

I am in need of a website bui...predictions on virtual sports events. Key requirements: - The website will be a virtual betting platform, specifically for virtual sports. - Users will be able to register and login in order to make predictions. - The virtual sports events available for betting will be virtual horse racing, virtual soccer, and virtual car racing. Ideal skills for this project include: - Proficient in Rust programming language - Experience in building and deploying websites - Familiarity with virtual betting platforms - Web design skills for a user-friendly interface - Experience in integrating user registration and login functionalities - Knowledge of virtual sports and betting Please only apply if you have the relevant experience and can deliver this project ef...

I have a small indoor garden space that I'm looking to completely transform. Key requirements: - I'm aiming for a modern style with this redesign. The new design should reflect a clean, minimalist aesthetic with a touch of elegance. - While the current garden is small, I'm open to other creative options to enhance the space. Skills and experience: - Proven experience with indoor garden design is crucial for this project. Previous modern garden projects in particular would be a big plus. - Creative skills to come up with innovative ideas to make the most of a small space. - Strong communication skills are important, as I'm looking for someone who can understand and translate my vision into a physical design. Please include a portfolio of your p...

...microscope prototype that will be primarily used for scientific research. Key Requirements: - Transparent Display: The display needs to be integrated in front of a small lens, which will then be in front of an image sensor. The display will serve as the light source, allowing light to reflect off the sample. - Raspberry Pi Integration: The device should be able to stream footage through a Raspberry Pi. Ideal Skills and Experience: - Prior experience in designing and building similar handheld devices or microscopes. - Knowledge of integrating transparent displays and image sensors. - Proficiency in programming and working with Raspberry Pi would be a plus. - Understanding of scientific research needs and standards. The ideal candidate for this project shou...

I am in ne...an arduino microcontroller for the controls. -I require the power supply to be as small as possible, but still being well within in a safe range of the power demand of the system. Refer to addition info regarding the sizing, or have a discussion with me on possibilities. -Additional peripheral components: 3 x Push Button, 1 x power switch, 1 x small display screen. 2 x Limit switches. What I need done. I need a freelancer to design and spec the unspecified components around the ones that are already spec'd. You will need to spec the PSU, and design the PCB board for the micro controller and for the peripherals required. I will buy all the componentry based on your specification and do the programming myself using arduinos firmware. Electr...

I'm on the hunt for a skillful coder proficient in web scraping, specifically for Website A. The goal of this project is for obtaining valuable and significant data for analysis, competitive intelligence, and price comparison. While there's no explicit mention of the type of data to be scraped, I anticipate that a capable offering will cater to a variety of needs such as: - Text content - Image content - Metadata Ideal Experience and Skills: - Proven experience with web scraping - High proficiency in handling large data sets - Comfort in navigating Website A - Ability to collect comprehensive data categories Looking forward to a potential collaboration to achieve this goal!

I'm seeking a Python expert to assist me with a data analysis project. Specifically, I need to: - Analyze financial data: The project involves interpreting and analyzing financial statistics and metrics. Experience in financial analysis is preferred. - Present results via a...interpreting and analyzing financial statistics and metrics. Experience in financial analysis is preferred. - Present results via annotated code: The deliverable should be the Python code used for the analysis, with comments and annotations explaining each step. This will help me understand the process and replicate it in the future. The ideal freelancer for this project would be skilled in Python programming, have experience with financial data analysis, and a strong ability to communicate technical co...

...OTC and currently peers 3. Perfect prediction rate 4. Robot is telegram base 5. Robot does not automatically place trade 6. robot only generate signal when user request it Martingale Strategy: - We require basic customization of the martingale strategy. Bot generate perfect signal for any of this Broker: 1. pocketoption 2. Olymptrade Skills and Experience: - Proficiency in Python/nodejs programming language. - Experience in creating Telegram Robots - Experience with creating binary signal trading robots. - Knowledge of pocket option, Olymptrade signals. - Familiarity with CURRENCY and OTC signals winning strategy. Please provide examples of similar projects you have worked on in your proposal. Here are examples of the telegram bot I want. You can check them out on teleg...

...current page in real-time. -Enable the AI assistant to suggest better content for specific sections of the page. -Provide a simple "replace" feature that allows users to easily use the suggested content to update sections on the crawled site. Technical Requirements 1. Backend -Build the system with a robust backend architecture that supports high scalability and performance. -Use a well-known programming language such as Python, Java, or Node.js for backend services. 2. Database -Use a scalable database solution, such as PostgreSQL or MongoDB, to store scraped data and user information. 3. Proxy and IP Rotation -Implement IP rotation and use proxy servers to prevent website blocking. 4. Security -Implement security measures to protect user data and prevent unauthorize...

...in Excel. We are an accounting firm and I am looking to automate my compliance practices. Tasks include 1) rolling forward previous year excel work papers 2) taking information from. Client data sheets (excel) and importing into new excel workpaper workbook 3) data analytics based on metrics 4) hyperlink to source data Ideal candidates should have: - Proven experience with Excel macro programming and automation - Ability to work with numeric and legal data - Strong attention to detail to ensure data accuracy This will be a valuable addition to our workflow. Looking forward to your proposals....

I'm looking for a professional who can help me to run a software I downloaded from GitHub on my Windows system. Here's the main outline of what I require: - Understand... - Custom configurations: I'm looking for someone who can make custom configurations to the program. This would likely involve adjusting settings, modifying code, or integrating additional features. - Troubleshooting: If the program does not run as expected, I would need the freelancer to troubleshoot the issue and provide a solution. The ideal candidate should have: - Proficiency in the programming language of the software - Experience with running software on Windows - Ability to understand and configure complex software. I would prefer if the freelancer can provide a summary of their experi...

We are looking for developers who are proficient in WooCommerce and Google Sheet API to help with our ...including product catalog, shopping cart, and payment gateway integration. - Implement integration with Google Sheet API for specific data processing & syncing requirements. Ideal Candidate: - Proficient in WooCommerce, including setting up product catalog, shopping cart, and payment gateway integration. - Experienced in integrating external APIs, specifically Google Sheet API, App Scripts Programming. - A good understanding of data processing and how to leverage Google Sheet for such purposes. The project has a flexible timeline, but ideally, we would like to get it completed as soon as possible. There are ample opportunity for the right candidates for a long term business...

Task 1: Write dynamic programming and recursive programs for a given problem obtained from 4 practical task selection test. • Implement a recursive program to solve the given problem. • Analyze time complexity of the recursive program (brute force) and dynamic programming approach using Big O and Omega notations. • Implement a dynamic programming approach by defining a table to store previously calculated values and using them to compute the next value in the sequence. Write recursive solution. • Test both programs for different input sizes and compare their performance. Task 2: Parallelize the algorithms for the second and third recursive equations obtained from the 1 practical selection test, and also parallelize second and third algorithms ob...

I'm looking for a skilled and experienced coder to work remotely on a website development project. The project involves: - Building a website: Your primary task will be to create a professional website from scratch. This includes developing the site's front-end and back-end, and ensuring it is functional, user-friendly, and visually appealing. I'm open to hearing your suggestions on the programming languages and technologies to be used for the project. Your expertise in coding and web development will be crucial in bringing this project to life. Prior experience with similar projects and a portfolio of past work will be highly regarded. Looking forward to collaborating with a talented coder who can take ownership of this project and deliver a high-quality website...

I am seeking a creative and skilled designer to provide a fresh and innovative ceiling design for a small room, up to 100 sq ft in size. The focus will be on a wooden finish as that is my preferred material. Ideal Skills/Experience: • Prior experience with wood-based ceiling designs • Ability to propose designs suitable for a small space • Understanding of how to adequately balance aesthetics and function • Proven track record of performing high-quality work in specified timelines Responsibilities: • Propose potential ceiling designs that will enhance the room • Provide me with a detailed visualization of the proposed designs • Revise designs based on my feedback, if necessary Note: Since I skipped the preferred style question, I'm...

...some minor areas that will discuss in detail Key Responsibilities: - Troubleshoot and fix the issue of new columns not being displayed in the Excel report - Ensure that all relevant data is correctly fetched from the SQL Server 2019 database - Implement a seamless solution that does not affect the overall functionality of the application Ideal Skills and Experience: - Strong proficiency in C# programming language - Expert knowledge of SQL Server 2019, including stored procedures and functions - Prior experience with similar tasks involving Excel report generation from SQL data - Excellent problem-solving skills and logical thinking - Ability to work independently and deliver high-quality results within the stipulated time frame If you believe you have the right skill set for t...

I'm seeking a skilled graphics designer to assist in creating a series of small-sized images. Key Project Details: - The images will be small in size, perfect for use on social media, websites, and other digital platforms. - The specific dimensions of the images are yet to be decided, so flexibility in this regard is required. - There's no specific theme or style for these images, so the designer will have creative freedom to propose ideas and execute them. Ideal Skills and Experience: - Proven experience in creating high-quality images, especially for digital use. - Great understanding of design principles. - Ability to work independently and come up with creative and original ideas. - Strong communication skills to ensure we're on the same page throughout ...

I'm looking for a wizard developer who can create an enterprise API. I do not have a preferred programming language, therefore, use the one you find most suitable and efficient. I need the API to include the following features: I am seeking a skilled developer to create a API to act as a third party implementation to serve clients such a service oriented businesses as Massage Therapists for client booking via scheduling calendar of showing available appointments ( this calendar shall also be utilized by the client to create time blocks when required ) in addition require online credit card initial deposits at time of scheduling and final payments featuring Vaulting to retain credit card details for future or ongoing appointments. A feature automation to fwd notifications cl...

I need a skilled data analyst proficient in R to perform an in-depth statistical analysis on a large dataset of more than 10,000 records. The main objective is to conduct thorough statistical analysis rather than predictive modeling or data visualization. Key Requirements: - Proven experience and expertise in R programming. - Ability to apply a wide range of statistical techniques including: - Descriptive - Logistics - Bivariate - Univariate - Multivariate - Multidimensional Ideal Candidate: - Proficient in handling large datasets. - Experienced with statistical analysis on a similar scale. - Strong understanding of various statistical techniques. - Ability to present the results in a clear and comprehensible manner.

...and developer to work full time on our customers websites. Your primary responsibilities will include graphic design, HTML/CSS coding, JavaScript and Bootstrap programming in Spanish and English Key Responsibilities: - Develop and maintain websites using HTML, CSS, JavaScript and Bootstrap using our proprietary CMS. - Implement interactive features and dynamic content using JavaScript. - Optimize images for fast loading. Must be strong in responsive design using CSS media queries. Skills and Experience: - Proficiency in Graphic Design software. - Strong experience in HTML/CSS. - Proven track record in JavaScript programming. - Ability to work creatively and proficiently. - Excellent communication and collaboration skills. - Strong Spanish and English spea...

Hello! I need someone who is an expert in web programming with PHP to translate any kind of PDF for free in using PHP. This PDF must not lose its quality. It must remain intact and it must preserve the ORC format, style and all. I want the translation to be exactly like the one from onlinedoctranslator.com. I know you're going to tell me that the Google Translate api isn't free, but you can use this library (link removed) . Then it has to choose the number of pages in the PDF. Even if the PDF is 100 pages or more, it must be able to translate it. It must support encrypted PDFs and PDFs protected by passwords. I will use your code in my site. You can visit it and you'll see that the PDF translation is missing. I've told you everything and I hope you'll give ...

I'm in need of a skilled R programmer for help with a project. I'm looking for someone who is experienced in R programming, data analysis, statistical modeling, and data visualization. Your role would be to assist me with my project and help me to achieve the best possible outcome. The ideal candidate should have: - Proficient in R programming - Proven experience in data analysis and statistical model building - Familiarity with data visualization techniques - Strong communication skills This may be an ongoing project, so availability and dedication would be a plus. Please provide examples of your previous work in your bid.

...skilled developer to create a rock paper scissors game on a Raspberry Pi. The outcome should be displayed on an LED. The following are the key requirements for this project: - **LED Display Design:** I don't have a specific design in mind for the LED display, so I'm open to creative suggestions. It would be great if the design can enhance the user experience and make the game more engaging. - **Programming Language:** I'd prefer the game to be developed using Python. Please ensure you're proficient with Python and can create a smooth and efficient game. - **Control Mechanism:** I'll need the game to be controlled via a web interface that's accessible through a network. This is essential for user interaction and convenience. Ideal skills and experie...

Please Sign Up or Login to see details.

I'm on the lookout for a skilled RHEL Engineer to assist in getting our server on the Certified Hardware List. The role will require expertise in the core language of RHEL. Although I'm unsure if proficiency in C is obligatory, having it would be a welcome advanta...role will require expertise in the core language of RHEL. Although I'm unsure if proficiency in C is obligatory, having it would be a welcome advantage. Specifically, the Engineer will: - Understand the requirements for RHEL certification - Prepare the server for the process - Perform the tasks and tweaks necessary to meet certification conditions I anticipate that a strong understanding of programming, RHEL, and Linux-based operating systems will be necessary. Experience with server certification will a...

I'm looking for a skilled developer with experience in cTrader platform and C# programming to create a custom Renko-based cBot for me. Key Requirements: - C# Proficiency: The developer should be well-versed in C# programming language, as the cTrader platform typically uses this language for cBots. - cTrader Platform Knowledge: Experience with this platform is essential, the developer should have a strong understanding of how to work with its APIs and develop cBots. - Custom Renko Functionality: I need the developer to implement a custom brick size for Renko charts in the cBot. -Automated Trading Execution: The cTrader bot should be able to automatically execute trades based on the parameters of the strategy. - Backtesting and optimisation capabilities: The ideal devel...

We are looking for small HR are system for 50 or 100 employees

an experienced C++ or Python or Tenserflow or Java or AI (etc.) developer to create a software program for Windows. A skilled develop...shapes in various styles with user adjustable settings and configurations - adding additional shapes into the created shapes in separate layers to create more complex outcomes - export of the pixelated images as 300dpi vectorized or rasterized files - intuitive interactivity with user friendly adjustments, selections and editing The ideal freelancer would have extensive experience in graphic programming, creating image pixelation algorithms and a strong background in developing highly interactive programs for Windows, understanding artistic elements/nuances and familiarity with software development and adhering to deadlines Winning bidder will s...

I'm...API, including the integration of a websocket webhook for real-time communication. - Developing Automation Scripts: I will need you to create Python scripts that can automate various communication tasks on my behalf. This might involve sending messages, responding to specific triggers, or even managing contacts. Skills and Experience: - Proficiency in Python: You should be an expert in Python programming, as this will be the primary language used in the automation scripts. - Experience with API Integration: Previous experience working with WhatsApp Cloud API or similar cloud-based communication APIs would be a plus. - Understanding of Websockets: Since we're aiming to set up a webhook for real-time communication, a good understanding of websockets and their implemen...

I'm looking for a Python content writer who can create technical documentation at an intermediate level geared towards software developers. Key Requirements: - Previous experience writing technical documentation. - Comprehensive understanding of Python programming language. - Ability to break down complex concepts into easily digestible content. - Knowledge of the needs and interests of software developers. The documentation should be structured, engaging, and provide a thorough explanation of Python concepts that are relevant and useful for software developers. A long-term collaboration may be possible for the right candidate.

...project is for advanced developers. Those that can read complex code structures - I mean it. You must be able to understand ReactJS but also understand a large existing project with little help from me. We're looking for a full-time programmer who is hard working, honest, and enjoys learning. Are you the kind of person where your yes means yes and your no means no? Do you have several years of programming experience with all things ReactJS? Place, "ReactJS developer" on the top of your bid. This full-time position requires attention to detail - someone that understands spoken and written English, fluently. We have enough work for over a year. On the top, after "ReactJS developer", please tell me what was your most difficult ReactJS project you completed...