Amazon interview questions for experiencedKazi

I am looking for a talented video editor who specializes in motion graphics and special effects. The ideal candidate should: - Have a strong mastery of clean and minimalist style for video editing - Be experienced in creating impactful motion graphics and special effects - Be capable of producing high-quality work under a tight schedule The project involves editing a video with a duration of less than 1 minute. Please, include samples of your previous work that closely match my requirements in your bid. Looking forward to your creative touch.

...initiative for my Networking Events Management company. Key deliverables include a logo, social media banners, an event banner, and business cards. All designs should be tied together by an elegant, sophisticated theme. Key Details: - Branding Theme: The branding should be elegant and sophisticated. Please keep it modern with a touch of minimalism as well. Refined fonts, clean lines, and a sophisticated color scheme should be used. - Social Media Banners: High-impact, engaging banners are needed for Facebook, LinkedIn, Instagram, and Meetup. Each should have a coherent theme with the overall branding. - Logo Usage: The logo we create together will be featured on the company's website and business cards. Ideal freelancer for this job is a veteran graphic d...

I'm seeking a skilled React Native developer to create a feature-rich messaging app for both Android and iOS platforms. What we have ready: We have the Design in react native ready - also we have many APi ready and we will provide u them App refernces: WhatsApp as refernce "use WhatsApp for android and IOS as reference. API We will provide alot of the API, that u can integreated in the API Milestone Check the Document fill it out and sent me back! Timeline: I need this project to be completed as soon as possible. Hence, a fast turnaround time is essential. Ideal Skills: - Proficient in React Native and JavaScript - Experience in building messaging apps - Ability to deliver a high-quality, bug-free product quickly - App Security End to End call and Chat Fast a...

Hi Are you looking for an assistant to do USA, Europe supplier research? I am a well experienced business & market researcher. I will find, analyse, collect and research Market data and information for your business. Target Markets: I will provide you services for product development and market research on businesses and industries in: USA (United states) UK and all European countries including Spain, Germany, Italy, France etc. America countries ( Canada, mexico, Brazil, Columbia etc) Services included; General market research Market Research, analysis, report Business Research Online, Internet Research Market and industry statistics Industry analysis competitor analysis Brand Research Product Research Lead generation Linkedin Research and Web Research C...

I am searching for an experienced developer to create a robust loans management system that caters to three types of users: administrators, loan officers, and customers. Key skills and experience necessary for this complex project includes programming, software development, finance, and a strong understanding of loans systems. The ideal loans management system must include: • Loan Application Tracking: Ability to record and track the status of loan applications. • Loan Approval Process: A systematic method of validating and approving or denying loan applications. • Loan Disbursement Tracking: Functionality that records and monitors the distribution of approved loans. In terms of user roles, the system must seamlessly cater for three types: ...

we need a logo for our traveling product brand pt vibes . which is link management and link redirect tool. i hanve attached a sample logo for yourreference. need source file with all the forts and elements. if you have any questions please dm me. thank you.

...expert who has a taste for sleek and modern aesthetics. The project involves creating a compelling logo for a fitness mobile application. Key Requirements: - Ability to design sleek, modern logos - Proficient in color psychology, specifically using a blue and white color theme - Capacity to integrate symbolic elements in the design. Specifically, I require the inclusion of a dumbbell and a sprinter to symbolize strength and endurance. Ideal skills: - Experienced in minimalist yet attractively bold logo designs - Advanced understanding of color theory - Creativity in integrating symbolism. Experience: - Prior experience in logo design, particularly within the fitness industry would be ideal. This will be an exciting project for those who love alignin...

I'm on the lookout for an experienced SEO writer to generate engaging blog articles and website content for a variety of themes. Expectations include: - Writing more than 10 blog articles - Covering diverse topics including industry trends, anime, technology, and sports - Crafting captivating and searchable website content Successful candidates will have demonstrable experience in SEO writing, originality, and flair for various themes. Your capability to deliver excellent content on the above topics will be essential. Enthusiasm for these subjects will be highly advantageous. Submit your bids and let's start creating.

I'm looking for a skilled web developer who can create an e-commerce platform for my physical products. Key Deliverables: - The platform should allow me to list and manage my products with ease. - A secure and reliable integration with PayPal for seamless transactions. - A user-friendly interface that offers a smooth shopping experience to my customers. - Incorporation of a flat rate shipping system. Ideal Freelancer: - Experienced in e-commerce web development, particularly for physical products. - Proficient in integrating payment gateways, specifically PayPal. - Skilled in creating a clean and intuitive user interface. - Prior experience with implementing flat rate shipping systems is a plus.

I'm seeking a professional to provide comprehensive tutoring in various high school mathematics topics. - The focus will be on Algebra, Geometry, and Calculus. - The aim is to help me grasp these subjects to a high standard. I'm looking for an experienced tutor who is: - Proficient in all the listed subjects. - Capable of teaching them at a high school level. - Able to make complex concepts understandable. The project should be completed within a month. Your expertise can help me learn efficiently and effectively.

I'm looking for an experienced graphic designer to create a modern, minimalistic logo for my brand. It should serve as a clear and memorable identifier for my business. Key Requirements: - The logo should primarily focus on brand identification, making it instantly recognizable. - I'm particularly interested in a modern and minimalist style, ensuring a clean and sleek look. - The use of cool colors such as blue, green, and purple would be preferable. Ideal Freelancer: - Proven experience in logo design, with a solid portfolio. - Proficiency in modern and minimalist design aesthetics. - Strong understanding of color psychology and the ability to work effectively with cool colors. - Excellent communication skills and a collaborative approach to incorpo...

Tafadhali Jisajili ama Ingia ili kuona maelezo.

I need a talented local Kuwait-based videographer to film on 9th May. It is an engaging case study video that highlights success stories about a new technology. You should be able to speak English and Arabic. The format will be interviews (preferably 2 camera set u...is not just to show the achievements of the tech but to make it appealing to prospective clients. You should be able to follow our brand aligned visual style that effectively communicates the successes and promotes the product. Ideal skills: - 5+ years experience of high quality videography and lighting skills (supported by showreel) - ability to record sound with radio mics. - Experience in interview-style videography - Confident and professional with the ability to direct and speak to top executives in a corporate e...

As discussed

I need an experienced graphic designer who can convert a photo into an AI file. The final AI file needs to be an exact replica of the photo, with high detail and must be fully editable. Key requirements include: - Expertise in graphic design and using Adobe Illustrator - Ability to convert a photo into an AI file that is an exact replica with high detail - Attention to detail and precision is a must to maintain the quality of the photo in the AI file - Experience in providing editable AI files is highly preferred, as the file will be used for future editing. XX PLEASE SHOW THE SCREENSHOT OF AI WITH EDITABLE ALL LAYERS XX Please provide examples of similar projects you have completed in the past, and a brief overview of your experience with this type of work. The project ...

I'm in immediate need of an Oracle developer. My requirements are specific: Skills and Experience: * Proficient in Database Management * Expert in SQL programming * Experienced in PL/SQL development Project Scope: * Design and implement a new database * Optimize and tune an existing database * Capable of writing complex SQL queries Please note the project must be completed as soon as possible. So, only apply if you're ready to take on the task immediately.

For this project, I'm seeking an experienced developer capable of creating a h WhatsApp Chatbot which can handle these tasks: 1. Answer FAQs: The bot must be equipped to respond accurately and timely to frequently asked customer queries. 2. Collect customer information: It should also be able to tactfully gather valuable data from users during its interaction, ensuring confidentiality. 3. Provide product recommendations: Lastly, the chatbot should adeptly suggest suitable products to clients based on their interaction, enhancing their experience and facilitating upsell. This bot will be essentially customer-focussed, thus any previous experience in crafting similar customer-oriented bots would be highly prized. Please provide evidence of similar projects you have compl...

...create a logo, PowerPoint templates, and social media posts for my brand. Key Responsibilities: - Logo Design: The primary task involves creating a logo that will serve as the identification mark for my business. - PowerPoint Creation: You will also be responsible for developing visually appealing and professional PowerPoint templates for my presentations. - Post Design: Additionally, the designer will be required to craft engaging social media posts, keeping in mind the different requirements of various social media platforms. Ideal Candidate: - Proficient in graphic design tools such as Adobe Illustrator, Photoshop, and InDesign. - Familiar with brand identity design and its significance in differentiating a business. - Experienced in creating eff...

We aim to develop a comprehensive social media website. In addition to a standard user ...newsfeed, and a messaging system we also want the site to support a pay wall and a video chat feature. Our site will not be complete without a web shop, the specifics of which can be discussed in further detail once the project commences. Ideal Skills and Experience: • Experienced in building interactive social media platforms • Proficient in the implementation of pay walls • Knowledge of setting up video chat functions • Have worked on the integration of web shops within an existing platform • Familiar with best practices for user profile creation and messaging systems It's preferable if you have created a similar site before, but if not, examples of compa...

...Optimization: Ensure that your landing pages are optimized for conversions by providing clear calls-to-action and relevant information. Budget and Bidding Strategy: Determine your campaign budget and bidding strategy to maximize your return on investment while staying within your budget. Tracking Setup: Implement conversion tracking to measure the effectiveness of your ads and optimize your campaign for better performance over time. Monitoring and Optimization: Continuously monitor your campaign performance and make adjustments to keywords, ad copy, and targeting settings to improve results. Reporting: Provide regular reports on campaign performance, including key metrics such as impressions, clicks, conversions, and cost-per-conversion. It's essential for you...

I'm seeking a knowledgeable professional who is experienced with Google Workspace, specifically group mail and others.

Responsibilities • Gathering data from one source ( Drive) to enter into document management (databases or partner websites by case) • Checking and reviewing documents for accuracy and completion • Attaching supporting files to the document management • Searching for additional information for documents that are incomplete • Verifying, correct, and delete unnecessary data, or combine data The requirements for the applicant include strong attention to details, college degree, access to email and knowledge of use a device (computer or phone), basic software tools Office - Word & Excel). Candidates should live in Europe , North America and / or South America

I'm in need of a skilled and experienced developer who can create a custom e-commerce platform for my business. The platform needs to be linked with Shopify for its backend management while providing a smooth and seamless user experience. Here are the specifics of what I need: - **Product Catalog:** The app should have a well-organized product catalog that makes it easy for customers to browse and find what they're looking for. - **Shopping Cart:** A reliable shopping cart system is a must. It should be easy to add, remove, and update products in the cart. - **Payment Gateway:** A secure and user-friendly payment gateway is crucial. The app should support various payment methods for customer convenience. - **Physical Products:** My ...

I'm seeking a skilled Java developer to create a (Web Scraper and Analyzer) for my project. 1- i need it to work on eclipse 2- i need the program written in a (GENERIC code) 3- you must use data structure 4- i need you to simplify the code for me as you can 5- i need to ask you simple Questions like what data structure did you use, why this data structure not other, and lastly i need the Pros and Cons for the selected data structure.

I'm seeking an experienced blockchain game developer to build a mobile Play2Earn game within a Metaverse. The project specifics, target audience, and platforms haven't been defined, however your expertise will greatly influence these decisions. Ideal Skills: - Experience in blockchain technology and the Metaverse - Understanding of Play2Earn game mechanics - Familiarity with both iOS and Android development In short, I'm looking to collaborate with a developer who can not only build the game but also provide strategic insights based on their industry knowledge. I'm open to suggestions and in need of guidance when it comes to the game concept and audience targeting.

...online platforms for my natural oils health range. Key Responsibilities: - Develop and execute content for Instagram, Facebook, YouTube, TikTok and Amazon, encompassing all stages from creation to posting and scheduling. - Engage with followers across social media platforms, fostering a positive and responsive brand community. - Provide analytics and reporting, utilizing data to improve strategies and drive more engagement. Additional Tasks: - Oversee website design and content management to ensure a consistent and effective online presence. - Manage product listings and promotions on Amazon and eBay. Ideal Skills and Experience: - Proficient across social media platforms including Instagram, Facebook, TikTok, and YouTube. - Experience in managing eco...

I'm looking for an experienced eBay lister for my ladies fashion clothing store. As an eBay lister, you will be responsible for creating product listings, optimizing product titles and descriptions, and managing inventory and stock levels. You should have a minimum of 5 years experience listing on eBay. Key Responsibilities: - Create attractive and accurate product listings - Optimize product titles and descriptions for visibility and sales - Manage inventory and stock levels to ensure availability Ideal Candidate: - Minimum 5 years of eBay listing experience - Deep knowledge of eBay's best practices and policies - Strong attention to detail - Proficiency with inventory management - Excellent organizational and time management skills You must...

YCP Solidiance is a renowned public listed research and consulting outfit. We support our Fortune 1000 and Asian conglomerate clients into Market research, vendor selection, Partner search, GTM Strategy, Market entry and more. To know more about us, pls visit us at: For one of our current engagements, we are looking for skilled and experienced Sales representatives in Germany and France to help with Lead Generation and Sales Pipeline Management. This is for a large Japanese client specializing in printers that cater to various industries (such as garments, labels, etc). Key Requirements: - Relevant Experience: Min 5 years into Business development, Sales and distribution role in Europe. Proven experience. - Sales Skills: A deep understanding of the sales proc...

Expected income from EUR 2000 to EUR 3000 As a quickly growing brand, we are in need of a customer support specialist who can skillfully help our customers ... As a quickly growing brand, we are in need of a customer support specialist who can skillfully help our customers get to know our products. Your main task will be: - Providing product information For this job, we only require basic understanding of product knowledge. Of course, appropriate training will be given to further support you on your journey. The communication with the customers will mainly be through: - Phone - Email If you are from Sweden or native in the language, have basic understanding of product services and experienced with phone and email customer support, this job is for you! We look forw...

...my online presence. This project is divided into three main components, each requiring a different expertise. SEO Executive: - Proficient in keyword research and analysis. - Experienced in on-page optimization. - Skilled in off-page optimization. Graphic Designer: - Capable of crafting a professional and memorable logo. - Experienced in designing beautiful websites. - Able to create eye-catching social media graphics. Content Writer: - Proficient in writing engaging and SEO-friendly blog posts. - Experienced in creating compelling website copy. - Skilled in crafting catchy social media captions. I'm looking for these professionals to work together seamlessly, ensuring a cohesive online branding strategy. Please be ready to showcase relevant samples ...

Seeking an experienced game app developer who can create a thrilling adventure game aimed at providing entertainment. The game is to be fully compatible with both iOS and Android platforms. It is pivotal for the applicant to have prior experience in the gaming industry, especially with the creation of adventure games. Requirements and Skills: - Proficiency in both iOS and Android development - Prior experience in creating adventure games - Strong grasp of game mechanics and design - Dedication to crafting a fun, engaging gaming experience Looking forward to working with talented and enthusiastic game developers in the production of this project!

I am looking for a professional, self-driven, and experienced social media manager to manage and enhance my social media presence across Facebook, Instagram, Twitter, and LinkedIn. Key Responsibilities: - Designing and Implementing Social Media Strategy: Your task will be to create engaging content tailored to each social media platform to drive user engagement. - User Engagement: The successful individual should be able to interact with followers and potential customers by communicating and answering questions. - Analyzing Metrics: I'll rely on you to analyze key metrics and tweak strategy as needed for optimal results. Candidates must highlight their past work in their application, showcasing their experience and success in managing different social...

I'm currently in need of a talented graphic designer with a keen ability...Illustrator. Key Responsibilities: - Develop a series of realistic illustrations - Work closely with me to understand and visualize my ideas - Deliver high-quality, aesthetically pleasing designs Ideal Candidate: - Proficient in Adobe Illustrator - Experienced in creating realistic illustrations - A portfolio showcasing previous realistic illustrations work - Strong communication skills to understand and translate concepts into visual representation - Ability to work to a deadline and maintain quality under pressure This project is perfect for a creative freelancer who can bring my ideas to life in a realistic, visually appealing way. I look forward to seeing your portfolio and discussing h...

I'm seeking an experienced Inorganic Chemist to assist with the synthesis of new, intermediate difficulty level compounds. This is a critical project that requires a professional well-versed in the field. Key Requirements: - Inorganic Chemistry Expertise: You must be proficient in inorganic chemistry, and have experience with synthesizing compounds. - Intermediate Level Compound Synthesis: The compounds you'll be working with have an intermediate level of complexity. - Analytical Skills: The ability to analyze the results of the synthesis is essential. - Previous Experience: Prior experience in synthesizing inorganic compounds is highly desirable. The successful candidate will be able to conduct the synthesis process efficiently and accurately, ensuring the compounds are...

I'm looking for a creative designer proficient in PowerPoint to create a corporate and professional slide deck from a video link I will provide. You will need to: - Watch the video (1h and 15mins) and appropriately scribe the voiceover in the slide notes section. - Implement animations or transitions only on specific slides upon instruction. The project requires excellent literal comprehension to capture the essence of the video in the notes. You must have a strong understanding of PowerPoint and experience creating corporate and professional themed presentations. Please highlight your previous experiences of PowerPoint design and voice scribing in your application. Attention to detail is crucial, and so is the ability to meet deadlines. The perfect candidate is creative, ...

I'm working on a Laravel project that requires the verification PIN API to be updated to the latest version of Laravel, 8. The current API is functioning correctly, but I need a more secure version to be implemented. Key Requirements: - Upgrade the existing verify PIN API to Laravel 8 - Enhan...correctly, but I need a more secure version to be implemented. Key Requirements: - Upgrade the existing verify PIN API to Laravel 8 - Enhance the security of the API Ideal Skills: - Proficient in Laravel development - Prior experience with API updates and security enhancements - Strong understanding of modern security practices and protocols This is a critical update for our project, so I'm looking for a skilled and experienced Laravel developer who can deliver t...

I'm seeking a talented Django/React developer to assist with both front-end and back-end development of my web application for a week. Aside from the code writing, we'll also be doing a substantial amount of testing, idea sharing and brainstorming in a fun, team enviroment. If your an introvert whom just wants a task list - this will not suit, if you wish to spend a week having fun and blowing up a codebase till its happy - this is more for you. The project involves: - Front-end development - Back-end development - Deployment assistance - General development work Skills and experience needed: - Proficient in Django and React.js framework - Familiarity with testing and deployment processes - Strong problem-solving skills and ability to brainstorm creativ...

...branding package. The primary task is designing a captivating logo, a professional letterhead, and a stylish business card. Key Requirements: - Logo: I currently don't have a specific concept in mind for the logo, so I'll rely on your creative expertise. However, it should be modern, bold and vibrant. It should stand out and be memorable in the international trade industry. - Letterhead: I need a professional, sleek, and elegant letterhead that complements the logo and reflects the brand's identity. - Business Card: The business card should be eye-catching and stylish, yet professional and suitable for a serious industry like international trade. Ideal Skills and Experience: - Strong portfolio demonstrating previous logo, letterhead, and business card des...

In this project, I need an experienced 3D design artist who can take a 2D design and transform it into a high-detail 3D model, with fine details and intricate designs. The model will be used for 3D modelling specifically. Desirable experience should include: - Proficiency in 3D modelling and design - Proven ability to generate high-detail models based on 2D designs - Expertise in using Blender software for optimal results The finished 3D model should be fully optimized for use in Blender. Showcasing examples of previous similar projects will significantly improve your chances of winning this project. Be ready to impress with your skills!

We are looking for long help. I'm in immediate need of an experienced professional with a strong background in Postfix 3.3 and Ubuntu 18.04 for a swift and effective system update. Major Requirements: - Updating Postfix 3.3 (to 3.9) on my Ubuntu 18.04 (to 20.04 or 22.04) - Enhancing the performance and resolving any bugs or issues in the current system. (CA files, openSSL not working properly) - Customizing mail server settings for an improved mail delivery. Ideal Skills and Experience: - Proficiency in Postfix 3.3 and Ubuntu 18.04. - Track record of doing similar system updates and enhancements. - Understanding of custom mail server configuration. Please note that this is an urgent project, and a swift response is expected.

I am in need of a SCORM 1.2 programmer to create a SCORM package from scratch. I only require the creation of one SCORM package for this project. Skills and experience required: - Proficiency in SCORM 1.2 programming - Strong understanding of SCORM standards and protocols - Ability to create SCORM packages from scratch - Experience in e-learning development and courseware creation Please note that I am specifically looking for a programmer who is experienced in SCORM 1.2 and has the ability to create SCORM packages from scratch. is optional. Thank you.

Project Description: I am looking for a developer to create an addon for our Job Portal that will allow for SMS notifications and a Login OTP feature using whatsapp zender, candidate or job seeker package,job seeker and employer alert using whatsapp . should be expert in larval, payment only after work first stage completion Specific features needed: - SMS notifications: The addon should be able to send SMS notifications to users for various events such as job application updates, interview requests, and job offers. - Login OTP: The addon should also include a Login OTP feature for added security. Users will receive a one-time password via SMS that they will need to enter in order to log in to their account. Addon developent for a Job Por...

I'm planning to rent out 1 room and I need assistance with tax calculations for this endeavor. Key Responsibilities: - Assist with the calculation of tax obligations related to the rental of 1 room - Advice on any deductions or exemptions that may be applicable Ideal Skills and Experience: - Proficiency in tax law and regulations related to short-term room rental - Experience in calculating taxes for similar ventures - Strong analytical skills Please note that this might be an ongoing need depending on the project's success. Feel free to ask any clarifying questions.

I require an experienced structural engineer to provide a set of structural drawings with basic load calculations for a construction project. These drawings should particularly consider: - Use of coquina rock revetment as per the project requirement. - Precision, accuracy, and adherence to current building codes and standards. Ideal candidate should have: - Proven experience in structural engineering drawings. - Knowledge of and experience with coquina rock revetment. - Detail-oriented approach to work. Looking forward to detailed bids that demonstrate an understanding of the task.

I'm looking for an experienced interior designer who can breath new life into my residential hall through modern design elements. I am a civil engineer facing a significant workload, with 40% to 60% of my clients expressing a desire for interior design services. Unfortunately, my current schedule prohibits me from fulfilling all of these requests adequately. Consequently, I am seeking an interior designer to join my team. Payment can be arranged per project, weekly, or monthly, depending on your preference. Please note that I am specifically seeking individuals with exceptional skills in interior design; therefore, only experienced professionals should apply. Prior to hiring, a skills demonstration may be required to ensure alignment with my project requ...

Soy escritor y tengo un libro que deseo subir a la plataforma de Amazon de libros digitales (eBooks) y de libros físicos bajo demanda (tapa blanda) . Busco alguien que tenga experiencia demostrable en ese proceso, preferiblemente que hable español

We seeking an experienced developer to create a comprehensive, user-friendly cryptocurrency wallet, designed for both web application and mobile (iOS & Android) platforms. The wallet needs to be completed within a month. Key Features: - Transaction History: Display a detailed record of all crypto transactions. - Two-Factor Authentication: Enhance security with 2FA. - Multi-Currency Support: Capable of accommodating various cryptocurrencies. - Buy, Sell, Swap: Offer seamless options to buy, sell and swap cryptocurrencies. - Send & Receive: Enable easy sending and receiving of cryptocurrencies. - Multi-Chain Support: Ensure compatibility with multiple blockchain technologies. User Interface: - Aesthetically appealing and customizable interface with an emphasis on use...

...exploring the potential of selling a specific brand of soap on Amazon, and I need a freelancing sales expert to help me navigate the process. and create amazon seller account. Key Responsibilities: - Develop a sales strategy for the given product and execute it on Amazon. - Optimize product listings, descriptions, and images to boost visibility and sales. - Monitor and manage pricing, reviews, and feedback to enhance product performance. - Implement and manage Amazon PPC campaigns to drive traffic and sales. Ideal Skills and Experience: - Previous experience in successfully selling products on Amazon. - Proficiency in Amazon Seller Central and FBA. - A solid understanding of Amazon's ranking algorithm and best practices for...

I am looking for an experienced PHP and WordPress developer to fix a specific issue with my website. It was working, - Problem: The combo box on my WordPress site is not responding correctly. When one option is chosen, it should update a second combo box with dynamic options dependent on the initial selection. Currently, this is not occurring as expected. - Expected Effect: Upon selecting an option from the first combo box, the data within the second combo box should dynamically adjust per the scaled selection from the first. Ideal skills needed for this project include: - Proficiency in PHP and WordPress development - Experience with troubleshooting dynamic elements - Understanding of user interface and user experience principles. I expect the work to solve t...

I recently updated my AWS Elastic Beanstalk to PHP 8.2 running on 64bit Amazon Linux 2023/4.1.2. Following this update, something appears to have gone wrong, causing our website to go down. Key issues: - The website doesn't load after the PHP 8.2 update on AWS Elastic Beanstalk. - Connection errors are being reported during the deployment process. -Environment health has transitioned from Warning to Severe. 100.0 % of the requests are failing with HTTP 5xx. ELB processes are not healthy on all instances. ELB health is failing or not available for all instances. Website is displaying - Symfony Component ErrorHandler Error FatalError - During inheritance of ArrayAccess: Uncaught ErrorException: Return type of IlluminateSupportCollection::offsetExists($key)...