Discrete event simulation jobs jobs

As I am looking for an experienced Android app developer, I have a vision for an educational app that helps learners to access educational content with ease. Detailed walk through will be provided on call as I have the front end concept simulation ready. However here are some... Key Project Features: - User login & Registration: We require a secure user login and registration setup that protects the user's data and ensures only registered users have access to our app. - Requires Map integration and working with object on a map (google maps/mapbox, etc). - Implementation of Modal screens. Ideally, the freelancer should have a robust experience in the development of Android apps. The freelancer should be well-versed in creating apps that offer user-friendly interfaces ...

Need to update a recently developed site in WP. Need some minor changes. These changes are probably best if they are based on an hourly rate. Please include hourly rate in y9our response. I don't believe this project will take more than 3-4 hours.

I'm looking for a skilled app developer who can create a user-friendly social networking app for both iOS and Android platforms. Key Features: - Messaging: Users should be able to communicate with each other through text, images, and videos. - Photo Sharing: The app should allow users to share photos with their friends and followers. - Event Planning: Users should be able to create, share, and attend events within the app. I need a developer who has experience working with social networking apps and is able to deliver a well-designed, smooth-running product.

...Shopify, research, copywriting, and various social media platforms to help us execute our comprehensive content and marketing plan. Responsibilities: -Content Creation and Management: -Develop and schedule daily posts for Instagram, TikTok, and Twitter. -Write weekly blog posts and newsletters. -Manage and create content for our YouTube channel, including weekly AMA (Ask Me Anything) sessions. Event Coordination: -Assist in organizing and promoting monthly influencer events -Engagement and Community Building: -Engage with followers and respond to comments and messages. -Organize and manage giveaways for followers Research and Analysis: -Conduct research on digital beauty trends and skincare ingredients. -Monitor and report on social media analytics to measure the impact and ad...

I need some extra help around the club. Key tasks involve bartending, cleaning, and event planning, for less than 10 hours a week. While physical labor and cash handling aren't a necessity, basic laptop skills and the ability to run an app are a must. This job is best suited to someone with a background in customer service. Part-timers with flexibility are encouraged to apply as hours can vary.

With our upcoming rock concert, we're in need of a skilled live sound engineer to ensure the best audio experience for our audience. - Event Type: Your main focus will be to manage the live sound at a rock concert, ensuring a vibrant, smooth, and balanced output. - Music Genre: Having experience with rock music is critical as you'll be balancing and mixing sounds for such a performance. - Sound Equipment: We've got the basics covered; you will have access to microphones, speakers and mixers at the venue. Your expertise on how to utilize these equipment to create the quintessential rock concert atmosphere will be key. Ideal candidate should have: - experience as live sound engineer, ideally with rock concerts. - comfortable level of skill in sound mixing and balanc...

I'm looking to buy a complete and *READY* code for a football management browser game (like Hattrick, Trophy Manager, etc.). Essential features include: - Registration - Team creation and player management - Tactics creation - Transfers - Game simulation - Leagues system. Preferred technologies are JavaScript and C#, but others are acceptable. I'm also open to offers for partially finished games.

...acceleration time, deceleration time, and steady state error. The project involves the tuning of PI controllers within the system, meant to enhance its overall performance. For this task, a proficient knowledge of control systems, system modeling, and tuning methods is required. Previous experience with PI tuning is beneficial. Currently, MATLAB/Simulink is being used for modeling and system simulation, hence proficiency in it is crucial. Ideally, the candidate will have extensive experience using MATLAB for complex motor control simulations. However, I haven't defined the specific tuning methods to be used which leaves room for a range of strategies. The right candidate may suggest an efficient solution based on their past experience and knowledge. Overall, I am looki...

I'm on the hunt for a skilled seamstress who can craft a custom dress with a 'fantasy unique' style for a special occasion. This dress should be bold and fiesty, adding that extra character to it. I envision this to be a masterpiece that captures attention and spurs the wow factor. Ideal Skills and Experience: - Proven tailoring skills, with focus on custom, one-of-a-kind pieces. - Familiarity with creating garments in a 'fantasy unique' style. - Expertise in working with bold and unique styles - Portfolio showcasing previous custom work, ideally pieces made for special events. This is an exciting project for an experienced seamstress with an artistic flair, eager to bring a unique piece of clothing to life.

I'm looking for a skilled developer to create a website form for events. This form will be used for registrations and payments. Key requirements: - Integration of a form into the website - Capturing of standard user details; Name, Email, Phone number and Address - Additional fields for the event specifics, such as; Event date, Event type, Number of attendees The system needs to be secure, user-friendly and capable of integrating with a payment gateway. Skills and experiences required: - Strong understanding of web development - Experience with form integration - Knowledge of payment gateway integration - Familiarity with user security and data protection online

Develop a WeChat/Alipay app for a large-scale event in Hong Kong, you need to use it on WeChat/Alipay. It can be used by people in Hong Kong, Macau and China. The functions are mainly used to view event information, videos, reminder functions, mini games, contact customer service, and connect Department external website

I am looking for a skilled programmer to develop an interactive chemistry experiment for me. You may code using JavaScript, HTML5 or using Python, so experience or proficiency in this language is crucial. Key Requirements: - Users should be able to drag and drop objects using mouse or in case of mobile- fingers. - It should offer a moderate level of interactivity. This includes features such as adjusting quantities and temperatures. If a user pours something in a beaker, it should show the beaker full. If emptied, beaker is empty. - Vector images of lab equipments like Test tube, beaker, burner etc can be found online. Ideal Skills: - Proficiency in Python or JavaScript. You may use CreateJS libraries. If you are a programmer with a passion for chemistry, this is a great opportunity to...

I'm looking for a skilled video editor to create a captivating 50s video that promotes our upco...and visually appealing transitions that keep viewers interested throughout the video. - Scratches Overlay: Incorporate grungy scratches overlay to add an edgy urban vibe to the video. - Timing to Music: The video should be seamlessly timed to the beat of the provided music, enhancing the overall viewing experience. Ideal Skills and Experience: - Prior experience in creating promotional videos or event coverage is preferred. - Proficiency in video editing software to execute the required transitions and overlays. - Understanding of music beats and timing to effectively synchronize the visuals with the background music. Please provide samples of your previous work that showcase si...

I am seeking a highly creative and skilled freelancer to design a video invitation card for a special event I am planning. The video should radiate elegance and class, appealing directly to my friends and family. The successful candidate should be excellently adept at: - Graphic Design - Video Editing - Animation The inclusion of the following elements is essential: - A well-crafted personal photo collage that will touch hearts - Animated text that adds a touch of class and uniqueness - Choosing or creating a befitting music or voiceover that complements the overall feel of the video It would be highly advantageous if you have prior experience creating similar video invitation cards, particularly ones that incorporate classic style elements effectively. Proven skills in blending ...

I'm looking for a freelancer to be the model for ultrasound demonstrations at a medical conference. These demonstrations will not focus on diagnosing a medical condition, but rather showcasing a particular company's medical device and technology. Ultrasound is a safe and non-invasiv...specifically for a sports or fashion model. Please note: - The purpose of this project isn't about detecting specific medical condition. It's solely for the purpose of demonstrating the usage of an ultrasound medical device. - The successful candidate should have abilities to get onto a scanning table, to lie on your back and on your sides. - Professionalism in presentation and ability to be discrete about the company's activities at the conference. _ Lunch and breaks will ...

I'm looking for an expert to help configure my Cyclecloud HPC cluster. This is a specific project with the following requirements: - Configuring the cluster for machin...machine learning and simulations tasks - Ensuring the cluster can handle large data processing in a timely manner - Implementing efficient resource utilization strategies - Validating the performance of the cluster with real-world workloads The ideal candidate for this role should have: - Proven experience in configuring Cyclecloud HPC clusters - A strong understanding of machine learning and simulation requirements - The ability to optimize resource utilization and improve scalability - Excellent communication and problem-solving skills Please provide your past experience and any relevant projects you ...

I require a highly skilled computational fluid dynamics expert to perform a meticulous fluid flow simulation, with a key focus on turbulence. The main requirements of this project include: - A deep understanding of fluid dynamics, notably turbulence. - Proficiency in using advanced simulation software. - The ability to precisely identify flow patterns. Key outcomes of this project include: - A comprehensive identification and analysis of flow patterns within a turbulent system. Ideally, the freelancer should have: - A background in Computational Fluid Dynamics, particularly turbulence. - Extensive experience with fluid flow simulation. - Detail-oriented analytical skills. Ultimately, this project aims to reveal insights into turbulent fluid flow...

I'm on the verge of moving to Spain and intend to create a detailed tax scenario for a retiree before making the final move. The plan is to move to Malaga. Here's what I need: - Thorough simulation of tax implications for a retiree in Spain. including wealth tax - The taxation system's specifics should accommodate an expat receiving pension from their home country. - I'm interested in potentially optimizing my finances to reduce tax liabilities. The perfect freelancer for this project would ideally: - Have a strong background in international taxation, particularly Spain's laws and regulations. - Have previous experience in similar tax simulations or fiscal planning for retired expats. - Be knowledgeable about the nuances of tax liabilities involving fo...

I'm on the lookout for a seasoned graphic designer with an eye for high-tech aesthetics to craft promotional materials for an upcoming tech networking event. Key deliverables: - Creation of eye-catching flyers, posters and digital banners that resonate with the high-tech theme of the event - Adherence to the existing brand guide, ensuring all materials are consistent with our established branding Requirements: - Proven experience in creating visually appealing promotional materials, specifically for tech or related industries - Familiarity with high-tech design concepts and trends - Capability to interpret and apply existing brand guidelines - Strong attention to detail and a creative approach to problem-solving If you're someone who can bring a fresh, high-tech...

I'm planning to expand my business into Musical Events and need expert consultation in varied areas. Your services should lean heavily on: - Budgeting: You should be skilled in creating a balanced event budget and proposing cost-saving measures. - Stage Setup & Design: Your creativity and design expertise should shine here. You'll set up stages that thrill yet should be safe and functional. - Vendor Coordination: Your experience in vendor management should aid in fostering excellent relationships with potential vendors for the event. A strong background in festival planning, budgeting, stage design, and vendor coordination is ideal. Let's create a memorable festival together!

...hardware. Key Requirements: OS Compatibility: The emulator should work exclusively on Windows systems. Emulation Focus: Aimed at simulating keyboard inputs for gaming applications. Ideal Skills and Experience: Proficient in Windows application development. Expert in low-level programming, specifically in system-level assembly language. Knowledgeable in gaming input emulation and keyboard input simulation. Experience in backend applications is beneficial. Project Specifics: The emulator must not breach game firewall securities or require unauthorized system modifications such as disabling driver signature enforcement. It should operate successfully in the game, similar to devices like Arduino Leonardo or ESP32. The goal is to simulate pressing the Z1 keys solely through softwar...

I am looking for an 2-d artist NOT LOGO DESIGNER to create a unique heraldic image for me(you will be provided with references). Please look at my attached example for reference so you can see my expectation both in terms of style and complexity. If you are interested, please send examples of your previous work for consideration. (You will not b...please send examples of your previous work for consideration. (You will not be considered without submitting examples of your previous work, it is not my job to go to your profile and search) Compensation is $50 cad! If this is not enough, I completely understand, no one should be asked to do a job for pay they don't believe is enough. All I ask is you simply don't apply, and instead apply for the jobs that where the pay ...

... Google Analytics, and Clickfunnels to assist with setting up conversion tracking on my Clickfunnels funnel. - Your primary task will be to configure Google Ads conversion tracking through Google Analytics and Google Tag Manager on my Clickfunnels website. - I've already set up Google Analytics on my Clickfunnels website, so the main focus is on the conversion tracking aspect. - The specific event I'd like to track is Calendly bookings on my funnel. It's crucial for me to monitor the number of Calendly bookings generated through my Google Ads campaigns. Your expertise in the following areas is essential for this project: - Proficiency in Google Ads and Google Analytics - Experience with Clickfunnels and its integration with Google Tag Manager - Knowledge of set...

...designer who can use a professional theme and color scheme to turn my financial transformation metrics into an engaging, compelling presentation - one that's set to impress at an upcoming award ceremony. Key Duties: - Design a 20-slide PowerPoint presentation focusing on the financial transformation metrics of a large organization. - Use a professional color scheme that matches the tone of the event and makes the charts and graphs easy to understand. - Make the presentation engaging, logical yet impressive to the jury at an award ceremony. Ideal Skills and Experience: - Excellent PowerPoint design skills. - Experience in interpreting financial metrics and transforming them into captivating visuals and slides. - Understanding of the professional aesthetic fitting for a aw...

I'm seeking a skilled individual who can perform a high level BLDC motor simulation using ANSYS Maxwell and Infolytica MotorSolve.

...TO KNOW WHAT IS QUEUE-IT SYSTEM - Search and display available tickets - Add tickets to cart and checkout - Send notification when tickets are available - Simultaneous requests : send multiple requests at once to increase chances of securing tickets - Queue management : handle queue-it system's virtual waiting room effectively, maintain session and user states to handle queue redirects - Human Simulation : mimic human behavior to avoid detection (randomized request intervals) - Technical requirements - use session management and different proxies/ips, implement captcha solving techniques or third-party captcha services if there is any available captcha yet to be solve, ensure scalability to handle high request volumes - Session tracking : the bot should extract and log the l...

Hello, I am Susan from FST Research group. We are organizing scientific conference on 27th May 2024 at hotel near Airport Schiphol, Amsterdam, Netherlands. For this we are looking for a conference coordinator, who can manage 20 participants. Responsibilities: 1. Providing conference kit, ID cards 2. Announcing progr...this we are looking for a conference coordinator, who can manage 20 participants. Responsibilities: 1. Providing conference kit, ID cards 2. Announcing program 3. coordinating with hotel team for services Requirements: 1. Must carry own laptop and help speakers to present their presentation 2. Prefer Amsterdam local candidates or very near to Amsterdam Benefits: 1. we will pay 100 USD for 8 hours event 2. will provide food including snacks and lunch buffets Best Rega...

...archived jobs, and customer management. Both employees and managers will need access to the system, with an admin login section for authorization of completed job cards. We would like the system to export completed jobs to CSV file for automated invoice generation in Quickbooks Online. We will also require the system to import the customer database from Quickbooks in CSV format. Key Functionalities: - Creation and Editing of Jobs - Ability to use system on-site / remotely through the use of iOS or Android web browsing. Some - Ability to select a simple job status from a drop-down combo box eg. In-progress, waiting for collection, waiting on parts, not started, completed. - Ability to search by customer, PO number, job status, date, part on both active jobs...

I am seeking a skilled telecaller to join my event management team. Your focus will be to generate leads, particularly event sponsors. Role: - Actively engage potential sponsors through effective communication - Gather data and maintain a record for ongoing contact Ideal Candidate: - Has experience in lead generation - Familiarity working within an event-management setting - Excellent communication and customer service skills. Your success will directly impact the profitability of the events that we manage and coordinate.

I need someone that is really good at finding market data & analyzing it. I am having an event and we are trying to get paid sponsorship.
 Currently we are working on the pitch decks to send to companies requesting sponsorships.

 I need to find some market data to include within the pitch deck to convince sponsors that my demographic is important & using us will help their business.



 1st Task - Find market data
 2nd Task - From the data, think of an argument or convincing reasons for the sponsor to fulfill our requests. How will it be beneficial to them? The event is for United States black professionals in the entertainment industry. 
 Your job is to find some market data for:
 Black Professionals Black Entertainment Professionals Socialites (people that go o...

I'm seeking a talented event designer to craft an unforgettable experience for a recurring one-day fan zone event. This event will occur weekly, providing a consistent opportunity for engaging, dynamic design work. In your role, you will be responsible for: - Designing the layout for each weekly event, creating unique and refreshing experiences for attendees. - Collaborating closely with me to ensure that every iteration of the event aligns with my vision. Ideal candidates will have: - A robust portfolio of event design work, ideally with specific experience in fan zone events. - Strong ability to adapt designs on a weekly basis, keeping the event fresh and exciting. - A detail-oriented mindset, allowing for consistent and high-qualit...

I'm looking for a talented designer to create a mood board that will define the look and feel of an upcoming airline launch event. Key Elements: - The mood board should focus on colors and images. - The color scheme should predominantly feature white and floral tones. Ideal Skills: - Strong understanding of color psychology and its impact on event branding. - Proficiency in creating visually appealing mood boards. - Experience in designing for corporate events. This project will require you to translate my vision for the event into a visually engaging concept. Please have a portfolio ready to showcase your previous work, particularly in event design.

We have an existing 10 x 20 booth but we are taking a 20x20 space for our next event. Looking for a designer who can help us redesign our existing booth so that we can just change some graphics, incorporate in a few elements and make it look new.

I am looking for someone with experience in Comsol simulation to help with piezoelectric energy harvester design at the earliest, ideally within a week. - Beyond the simulation work, I need someone with strong documentation skills. - Required: 1) Generated voltage and power for applied strain% (like in cantileve) 2) Device capacitance, resonance frequency & impedance 3) Piezo strain coefficients for device geometry 4) Displacement (actuation) for different voltage 5) Sensitivity (output) for different level of stimuli (added mass in grams and pressure)

We have an existing 10 x 20 booth but we are taking a 20x20 space for our next event. Looking for a designer who can help us redesign our existing booth so that we can just change some graphics, incorporate in a few elements and make it look new.

My business is a wedding photography/event photography business in Sydney, Australia. I'm in search of a seasoned SEO expert specialised in the wedding/event photography space with a knack for improving search engine rankings, significantly increasing website traffic, and amplifying online visibility. Specifically tailored to target local customers in Sydney Australia only, the primary objectives of this role entail: - Conducting a comprehensive website SEO analysis - Optimizing website content and structure to appeal to our local customer base - Ensuring consistent online visibility across various search engines - Successfully generate organic leads There's no set deadline for this project. The perfect individual for this role would possess: - Proven experience ...

I am in need of a skilled video editor to work on my business and event footage. The edited videos should be a medium length, falling within the range of 1-5 minutes. Key services I require include color correction, sound editing, and the addition of visual effects where necessary. Your role as a video editor will be to ensure that the final product is engaging, professional and in line with the vision we have for the videos. You should have a good understanding of what works well for business and event videos, and be able to provide creative input where needed. Key Skills and Experience: - Proven experience in video editing, particularly with business and event videos - Proficient in color correction, sound editing, and adding visual effects - Ability to work effici...

I'm seeking a talented graphic designer to create a flyer that promotes my event. The flyer is for a 12 year olds birthday sleepover Key Requirements: - Design a flyer - The design should be kid friendly Details: Join us for a GAME NIGHT sleepover to celebrate Rauf's 12 Birthday Drop Off: Saturday, June 1st, 2024 at 5:00 PM Pick Up: Sunday, June 2nd, 2024 at 11:00 AM For address and RSVP contact Rashemma(mom) at 267-902-0114 by Tuesday, May 27th, 2024 Please bring pajamas

I am looking for an artistic designer who is familiar with the vibrant and iconic style of Romero Britto, to create a modern, bespoke logo for my son's bar mitzvah. Key Features: - The logo should include my son's name (Justin), and the date of the event prominently (11/23/24) - The color scheme should consist of blue, yellow, green, orange, and red. Preferred Skills: - Knowledge of and, preferably, previous experience with Romero Britto's style. - Strong portfolio in logo design, particularly for personal events or in a bold, modern style. - Attention to detail to incorporate the listed elements seamlessly. I look forward to your unique interpretations of the task, and to making my son's bar mitzvah even more special with your creativity.

I need a professional to create a WordPress site for me. I will give you the design and pages, need to have an event management plugin menu is: Events | Retreats | Power Medicine | The family | Reviews | Media

I'm in need of an experienced developer to create a comprehensive calendar with specific functionalities. It should assist professionals in keeping track of various events like meetings, deadlines, and appointments. Key Features: - Event Reminders: It's essential that the calendar includes an event reminder system to provide timely alerts. - Recurring Events: The ability to schedule recurring events is also pivotal. - Multi-Platform Sync: The calendar should seamlessly sync across web and desktop platforms, and there should also be an option to generate a physical copy. Ideal Skills: - Experience with building robust calendar applications - Expertise in cross-platform syncing - Proficiency in user-centric design. -Monthly overview -Monthly goals -Week Sun- Sat -D...

I'm in need of engaging, representational animated graphics for an event, designed in the style of a vibrant Ibiza party. The animations should use a cool color scheme, with a focus on greens, red, purple, leaves and natural design. Ideal freelancer should possess: - Experience in creating animated graphics - Excellent understanding of representational design - Proficiency in color theory, particularly cool tones - Previous work with event visuals is a plus - Fondness for or familiarity with Ibiza party aesthetics preferred

I'm looking for a skilled professional who can help me with a fluid behavior simulation specifically focused on liquid flows. The main aim of this project will be to deeply analyze the pressure and velocity fields, hence the need for a high level of detail in the simulation results. Key Requirements: - Expertise in fluid dynamics and specifically in simulating liquids. - Capable of providing insights through detailed pressure and velocity field analysis. - Proficiency in using industry-standard software for flow simulations. This project is a crucial step in understanding and optimizing our system's liquid behavior. The ideal candidate will have a proven track record in similar projects and should be able to guide us through the results obtained.

...professional photographer to capture the moments of our upcoming work day in Windsor, CO. Key Requirements: - **Location:** The event will be in Windsor, CO, so a photographer local to the area is required. - **Event Type:** This is a corporate event, so experience with this type of setting is essential. - **Photography Style:** We're looking for an expert in event photography, who can capture candid moments, group shots, and the overall atmosphere of the day. The ideal candidate should have: - Proven experience in event photography - A portfolio of corporate event photography - Proficiency in capturing candid moments - Understanding of the dynamics of a work day event - Excellent communication skills to interact with the attendees...

...appealing flyer for an upcoming event. The main goal is to catch the attention of people of all ages. I have attached a mock-up of what the information needed on there! ONLY SUBMIT MOCK-UPS OF ACTUAL DESIGN Key Requirements: - The flyer should have a modern and sleek design. Think about clean lines, minimalistic approach, and a contemporary look. - It is important that the flyer stands out among other event advertisements, so creativity is a must. - The content of the flyer will be supplied. Your task is mainly to make it visually striking and engaging for the target audience. Ideal Skills: - Graphic Design - Understanding of current design trends - Marketing and advertising background (preferable but not mandatory) If you have experience creating event prom...

We are looking for a skilled CFD & FEA expert to conduct simul...Ultimately, we are striving to create a super robust, easy-to-maintain, and cost-efficient boat. The simulations will play a crucial role in helping us make informed decisions about the design. Requirements: - Expertise in CFD & FEA simulations for boat designs - Experience with hull optimization for performance and efficiency - Ability to provide detailed analysis and recommendations based on simulation results - Strong communication skills to explain complex concepts in a clear and concise manner If you have the skills and experience required for this project, please submit your proposal detailing your relevant experience and approach to the project. Feel free to ask any questions you may have about the pro...

I'm looking for a proficient video & photographer editor to create a modern-styled video montage for a graduation event. I will be providing the video clips to incorporate into the montage. In addition to a keen eye for detail and storytelling: - Experience in modern video and photos editing techniques is essential. - A quick and efficient turnaround is crucial. - A strong ability to interpret my vision and translate it on screen will be highly regarded. - Please provide examples of previous video montage work. You'll be helping me celebrate a milestone event and I'm keen to have the perfect memento to look back on!

I'm looking to revamp the current hourly pay system for my maintenance business. I want to create a compensation model that pays my employees a flat fee per job completed, based on the type of job. The more jobs they complete in a day, the more they earn. Key requirements: - Determine the flat fee for each job based on its type - Implement performance incentives for employees who complete more jobs than average - Track employee progress and job completion through a digital time and job tracking system Ideal skills for this project: - Experience in compensation model design - Understanding of the maintenance industry - Proficiency in performance incentive implementation - Ability to set up and manage digital tracking systems -comparison of current comp plan to new comp...

I'm in need of an experienced Analog Circuit Designer to assist with the conceptual design and simulation of a prototype. - The purpose of this project is to develop a prototype, not for research or educational purposes. - I'm currently in the initial stage of prototype development, so we're focusing on conceptual design. - The major components of the analog circuit I need assistance with are transistors and timers. - I have a preliminary reference circuit whose functionality to be replicated with equivalent circuit. Ideal candidates should: - Have prior experience in analog circuit design for prototype development. - Be proficient in using simulation tools. - Have a solid understanding of transistors and timers. - Possess strong problem-solving skills.

...teach me how to install free Oracle DB on my local windows 11 acceptance: I can run your code on my computer ; all code work on my computer when I run it by myself You have 2 days you provide code to simulate input data (both code versions: python and sql)-> transactions data *****you provide SQL code to calculate per day summary for each day for each product for each store for 3 years SIMULATION data for 3 years 100 products 20 stores 5 USA states random dates and prices promotion for 30 promotions per year , each promotion happen for 7 to 15 products, for example promotion at may 10, 2023 happen for product ids: 34, 65, 12, 78, 5, 23, 41. When 34 for 20%; 65 for 30%; 12 for 40%; 78 for 10%; 5 for 15%; 23 for 70%; 41 for 30% randomly for each product dates and ...