Download file from google drive using java jobs

Many people say this is not possible but there are a few apps that can do this. I need an Android project in JAVA not Kotline and maybe with C++ code that integrates seemlessly which allows me to record a phone call. Technically I do not need a recorded file - I need an AudioRecord object returned that I can plug into my current code so I can process the phone audio NOTE: This is not for voice but for things like dial tones etc so AudioSource.VOICE_RECOGNITION does not work because it seems to block / noise cancel the audio I need.

I'm looking for a capable Java Spring Boot backend developer, with a special emphasis on user authentication and authorization. Your tasks will comprise of: - Designing and integrating a robust two-factor authentication system - The two-factor authentication must employ the SMS methodology Qualifications include substantial experience with Java Spring Boot, depth of knowledge in creating and managing secure user authentication systems, and a comprehensive understanding of two-factor authentication, preferably with SMS authentication. Please provide examples of your prior work related to user authentication and two-factor authentication systems. I can't wait to collaborate with someone who's as enthusiastic about this project as I am!

I am seeking a detail-oriented freelancer with demonstrable experience in data collection to gather texts, images, numbers, and tables from a particular website. My instructions, which will include 1 to 5 photographs, will guide you in precisely what data I need to be gathered. The freelancer will be expected to: * Carefully collect the specified data from the website * Ensure all text, images, numbers, and table-based data are meticulously compiled * Consolidate all the collected data into a neat Excel spreadsheet Your experience in data collection should be highlighted in your application. Experience in using Excel for data organization will be a key advantage.

This task is for people who have never had ESPN Bet/Fanduel/Draftkings. Requirements: - Must have a valid ID and be 21 years of age - Successfully create an verified account BONUS PAY $10 - $200

I'm seeking an experienced professional to assist me in performing a comprehensive building energy modeling using the Carrier program. Key Requirements: - Proficiency with the Carrier program and experience in building energy modeling for Hospitals - Ability to deliver a comprehensive analysis of energy consumption, with a focus on HVAC, Envelope and lighting systems - Capacity to provide optimization recommendations based on modeling outcomes for specific ECMs identified from the energy audit. Carrier HAP is a dual function program - full-featured load calculation and system sizing for commercial buildings plus versatile hour-by-hour energy modeling. It offers graphical input features for rapidly assembling a 3D building model. Your deliverables will be crucial in ...

I am seeking a DevOps and Java expert who can assist in streamlining my operation using cloud backend. - You will implement Infrastructure as Code (IaC) and Continuous Integration/Continuous Deployment (CI/CD) practices. - AWS, Microsoft Azure, and Google Cloud Platform (GCP) will be the preferred cloud platforms. Familiarity with these platforms is crucial for success. - This project's main goal is to optimize our operations. Hence, a track record of successfully streamlining operations is highly desirable. - Experience in cloud backends and Java is a must. In short, I will need someone with robust experience in DevOps, Java, and multiple cloud platforms for this project. An expert in optimizing operations through infrastructural enhancements wo...

I want to build homepage of in Webflow. What I am looking for: - Faithful reproduction of the layout and key elements: This includes the hero section, n...(desktop, tablet, mobile). - Clean and organized code: I want well-structured code that is easy to understand and maintain. - Creative solutions: While staying true to the original design, feel free to suggest any improvements or optimizations you think would benefit the page. Instructions: - I will provide my webflow account and you can use it to complete the task. - You can download the website assets (images, fonts, etc.) from the website itself Budget is 30 USD and deadline is 1 day. Please feel free to bid with WEBFLOW EXPERT words at the beginning of your bid if you think that you are fit to this task.

Hi, If anybody is interested to create an Api using bearer token and consume it using web forms in asp.net c#. Thank you.

I'm seeking a proficient freelancer with experience in unpacking Themida v2-protected DLL files. The unpacked file is intended for analysis and research, and there's no need for detailed documentation. Key requirements: - Proficiency in unpacking Themida v2-protected files - Previous experience working with DLL files - Ability to efficiently provide the unpacked file Your primary task will be to successfully unpack the DLL file, providing me with the unpacked version for further analysis. Your expertise in this area is crucial. Please note that detailed documentation on the unpacking process is not required, only the unpacked file itself.

As a growing business, I'm looking for a skilled designer to create a compelling digital ad. The purpose of this ad is to promote a specific product or service, to drive traffic to our website and increase conversion rates. Key Points: - The ad will be displayed on websites and newsletters. It should be designed with this in mind to ensure it is versatile and engaging across different mediums. - The target audience for this ad is adults and seniors. It should be visually appealing to these demographics, with a clear, concise message that captures their interest. Your responsibilities will include: - Understanding the product or service that needs to be promoted, as well as our target audience. - Designing a visually appealing ad that conveys the message effectively in a limit...

I'm seeking an experienced Google Script specialist to automate tasks and manage data for my project. Here are the specifics: Automating tasks: Your main responsibility will be to automate data import/export processes using Google Script. I need to take the data attahed to a daily email in excel format, upload this data (and historic) to a data base and then allow to consult that data from different spreadsheet in google with a query. Ideal skills and experience include: - Proficiency in Google Scripts and automation - Experience in data management - Google spreadsheet analisis reports If you have the needed expertise, I'm excited to work with you!

I need a Python script to be deployed as a Lambda function and capable of processing tokens and handling verification and info retrieval tasks successfully. The Lambda function will handle both Google Sign-in ID and Access tokens. Summary: "Users creation" will be in DDB. "Endpoint creation" using API gateway. "User Authentication" using JWT "User Login" is via Google Sign-in

I am in need of a virtual assistant who can efficiently handle my Instagram & FB business account. It involves the following: - Fast SEO for startup and ranking them - Proactively DMing and reaching out to my target audience with the goal to enhance leads and ultimately convert them to sales. Initial target 100 DM’s per day - Responding to messages in a prompt and friendly manner. - Managing and moderating comments to ensure a positive experience for my followers. This is a part-time role requiring 1-2 hours of your dedicated service every day. You need to have excellent interpersonal skills and a knack for sales talk. Preferably, you have experience with Instagram's and Facebook business interface and are familiar with its demographics. I look forward to your bid.

I need help rectifying a previous freelancer's error by adjusting what displays in my Google business listing. What is listed in the image below my company name has nothing to do with my business and was due to a template they used. Just needs to be changed to reflect my company and what it does.

I'm...done in Java. The project has a tight deadline and I need it completed as soon as possible. Key Requirements: - Development of a simple, yet realistic highway traffic simulation - Implementation of entrance control system - Animation of cars in Java Ideal Skills and Experience: - Proficient in Java programming - Experience with real-time simulation development - Strong understanding of traffic management systems - Ability to create engaging and interactive animations - Committed to meeting tight deadlines The project is straightforward in terms of concept, but requires a high level of technical skill to execute effectively. If you have a strong background in Java and animation, and are confident in delivering a polished product within a quick tu...

It will crawl and extract all itags from all images from Docker Hub, , AWS ECR Public Gallery, Snapcraft, Flatpak, AppImages, Bundles, BitTorrent, EDonkey2000, SoulSeek and DC++, and it will build and publish deb packages (as APT repository). It will be also run a web server. More details: Is this project for business or personal use? Personal What information should successful freelancers include in their application? Experience How soon do you need your project completed? No time limit

...methods And full server programming With maintenance and verification code With full design for normalization from one interface to another Programming new codes, not purchasing codes Adding video veterinary consultations Link with added value Adding new offers for customers 8 sections (birds - bird supplies - cats and pets - cat and pet supplies - customer offers - video veterinary consultations - bird hotel - pet delivery) Modern and new design, good arrangement, speed of application and ease of browsing Required technologies Java OS Android ios Application techniques Swift java Required to be received Interface designs, programming codes, full application programming from design to launch - Developer with iOS Experience: The freelancer should...

Looking for assistance with enhancing and modifying my PowerPoint file. It contains the procurement steps from start to finish, but the current block flow diagram is quite basic. I'm looking to redesign the diagram to make it more visually appealing and clear, especially for presenting to higher management and for printing purposes. The objective is to ensure that the workflow is easily understandable at a glance. Here are the key points: Enhance and modify PowerPoint file with a focus on the block flow diagram. Redesign the diagram to make it clearer and more efficient. Ensure that the final design is suitable for printing and presenting to higher management. My initial budget for this project is $15, but I'm open to increasing it if the job is...

I need an efficient and experienced professional who has a good understanding of Google Sheets and data analysis and entry. Specifically, I need: - Creation of PLP by Copying-Paste Data entry. - Searching a Google sheet for specific products that should be on that PLP - Manually adding each product to that specific PLP based on the results from the sheet A full and detailed brief is available.

I have an .iso programme that requires updating and repackaging. The programme needs bug fixes, and I am looking for a professional who can help identify and resolve these issues. There is no source code. Key Requirements...list of known bugs, and thus, I need your expertise to identify and resolve them. - Repackaging: The program needs to be repackaged after fixing the bugs. - Online Distribution: The final product should be suitable for online download. Ideal Skills and Experience: - Expertise in programming and debugging .iso files. - Experience in software repackaging. - Ability to deliver software suitable for online distribution. Please include your approach to identifying bugs, any relevant experience you have, and how you plan to ensure the program is suitable for online...

I need a writer to create engaging and informative content related to health and fitness. The main goal of this content is to drive traffic to my website, with a specific target audience of professional athletes in mind. Key requirements: - Expertise in writing health and fitness content - Strong experience with SEO techniques - Awareness of creating content that engages and attracts professional athletes - No AI written content Your writing should be well-researched and provide valuable insights to professional athletes. Understanding of SEO principles is crucial; the content should be written in a way that boosts my website's visibility on search engines. Ideal freelancer: - Experienced content writer with a portfolio of health & fitness articles - SEO specialist with ...

I'm seeking partners to help me drive traffic to my website, , where I host a crypto lottery. The main goal is to attract affiliate marketers who can help bring in new customers. These are the ideal candidates to promote the lottery and introduce new players. Key Responsibilities: - Attract affiliate marketers to the website - Drive traffic to our affiliate partners Ideal Skills and Experience: - Proven track record in generating traffic - Experience in affiliate marketing - Familiarity with cryptocurrency exchanges, crypto trading platforms, and crypto investment tools This is a great opportunity to collaborate and earn competitive percentages for your efforts. Please reach out to discuss further details and negotiate terms.

I am looking for a skilled professional to help me with the following project: - Crawl and download containers from Docker Hub and GitHub Container Registry - Extract all binaries, etc, from the containers - Publish the extracted binaries as deb packages in an APT repository - Utilize AI to ensure the repository is kept up-to-date with new and updated binaries daily. Ideal Skills: - Strong experience with container technologies, especially Docker and GitHub Container Registry - Proficiency in building and maintaining APT repositories - Knowledge of AI for automated software updates - Excellent understanding of binary extraction and packaging - Previous experience in software distribution is a plus. Please apply with your relevant experience and a brief outline of ho...

I'm looking for a skilled digital marketing professional who can set up and manage Google Local Service Ads for my garage door repair business, specifically targeting residential homeowners. Key Project Details: - Target Audience: Residential homeowners in need of professional garage door repair services. - Ad Services: Primarily focusing on garage door repair services, with the potential for expansion based on campaign success. - Experience: Expertise in running Google Local Service Ads and a proven track record in targeting specific demographics. Ideal Skills for This Job: - Proven experience with Google Local Service Ads - Understanding of the garage door repair industry - Ability to target ads towards residential homeowners - Strong analytical skills to tra...

...their loops with other producers globally. Our mission is to make collaboration between producers easier and foster a thriving network where producers can gain exposure, broaden their network, and achieve greater success. At Loophead, users can seamlessly upload their original loops, allowing others to download, use, and incorporate them into their own projects. This interaction not only broadens the creative possibilities but also offers a unique opportunity for producers to profit from beat selling platforms and secure placements with major label artists. Current Landing Page: Key Requirements: - Design a visually stunning landing page - Ensure the page fits the overall color scheme of website - Understand the target audience (music producers) - Refer to referenc...

Who we're looking for Atlassian is searching for a talented Senior Full Stack Web Developer to join our Buyer Experience/e-Commerce team. You'll be joining a multi-functional team th...has a substantial impact on the growth of Atlassian, and we're committed to pushing current trends in web development in order to create a cutting-edge experience across our brand. What you'll do • Work with a talented team of UX experts (Product Managers, Designers and Developers) to continually iterate and improve the experience of our internal and external users. • You will be empowered to drive innovation by coming up with new and exciting ideas to creatively solve issues, as well as actively look for opportunities to improve the design, interface, and architectu...

I'm in need of an experienced AWS Java Specialist who can provide ongoing support for my project. My work involves the use of Lambda functions, DynamoDB integration, S3 bucket management, and CDK Implementation. The ideal candidate has a wealth of experience in these areas and can confidently assist me in navigating through the technical aspects of this project. Key Responsibilities: - AWS Lambda functions creation and management - Integration of DynamoDB - S3 bucket handling - Implementing and assisting with CDK Skills & Experience: - Proficient in AWS Java technologies - Past successful experience in the roles above - Understanding of Amazon Builds - a unique aspect of this task - Good communication skills and a team player mindset Please detail your past exp...

...data from this worksheet i. The information from this worksheet is utilized for all 8 other reports (worksheets it produces). ii. It uses a “What is your current yearly revenue” number and pulls against an array (worksheet) – For the 8 other reports, it pulls data from the column in the array to produce reports. iii. Update – to be able to select multiple outsourced professionals Field b. Customer EBITDA and P&L – Some data from the array is utilized here, and this being a customer input screen, also needs to save its data to a database worksheet. 3) There are 8 Reports – to include 1 combined (customer input screen and Customer EBITDA and P&L) 4) To Purchase the MSP Business Evaluator and Accelerator, you need to g...

I need a skilled project manager who can handle my daily onboarding email campaigns for the interested leads. Volume is about 500 emails per day. Perfect English is required! Experience with AI writing tools like ChatGPT is necessa...following software for sending: TheBat, Atomic Mass Mailer, Gmail web interface. The mentioned pay is per month of work. - **Campaign Type**: - The campaigns are focused on welcoming new users to our platform and encouraging them to register as applicants. - **Frequency**: - The campaigns will need to be run on a daily basis. - **Goal**: - The primary goal of these campaigns is to drive registrations from new users. Ideal candidates for this project should have experience in project management and a strong understanding of email cam...

I need a professional to scrape specific information from an one page weblink and present it in an Excel file. The details will include: - IMAGE LINK - Product Name - Price1 -Price 2 - Link to Product Page - Stock Availability (I lager) The freelancer that can deliver fast will be prefered.

I am currently looking for an individual who has a combination of social media marketing and sales skills. Key Responsibilities: - Enhancing my Instagram presence: This would involve creatin...increasing my followers. - Sales and client acquisition: You would be in charge of converting the social media presence into actual bookings for my salon. Requirements: - Proven social media management skills, particularly on Instagram. - Sales experience, ideally in the beauty or salon industry. - Creativity in content creation and understanding of what resonates with target audience. - Ability to drive engagement and ultimately, conversions. It is important to note that I am not currently posting on Instagram, so part of the role would involve helping me understand how to effectively pos...

We are looking for a QA tester capable of identifying error between expected and actual travel times on maps. This is just a quick job for investigating the root cause of timing inconsistencies. Please have a quick look to our android app in playstore - no need for any account or registration Thanks

You are asked to create an Excel file (FILE A) that: 1) Automatically extract data from another Excel file (FILE B) which is located in an FTP folder and which is updated every day. 2) The FILE A must extrapolate the data from the FILE B based on some filters that can be set or changed. For example, a filter could be the Brand or the Price. 3) The output (FILE C) of FILE A must be a .CSV file composed of 3 columns: SKU, Quantity and Price. 4) The final part is that this FILE C is saved inside another FTP folder. This entire 1+2+3+4 process must be done automatically every day at a certain time without the intervention of an operator.

...need to be converted to a SolidWorks or STEP file. This file will be crucial for the manufacturing of the product. Key Details: - End Goal: The main aim of this project is to obtain a manufacturing-ready model. It should be a precise and detailed 3D model suitable for industrial production. - Material Properties: It's essential for the selected freelancer to consider the material strength in the design. The integrity and durability of the final product depend on this factor. - Assembly Features: The design should include screw holes or threads. These features are necessary for the assembly process and should be clearly defined in the model. The ideal candidate for this job should have a good understanding of both AutoCAD and SolidWorks/STEP file conversions. ...

I'm seeking a professional who can enhance my UK client's online presence through Google My Business (GMB) and social media marketing. The primary goal is to boost our lead generation capabilities. Key Responsibilities: - Optimize GMB Profile: Your role would involve ensuring that the GMB profile is fully optimized for lead generation. This could include updating business information, responding to reviews, and utilizing GMB posts effectively. - Social Media Optimization: Focus primarily on Facebook and Instagram. Your tasks would involve strategizing and executing campaigns to drive lead generation on these platforms. - Collaboration on Content: While I have existing content, I'm open to suggestions for improvement or specific strategies that you believe woul...

I am seeking an Android app developer experienced in creating calendar apps. My ideal freelancer will be able to: - Implement reminder notifications. This is a key feature of the app that will need to be developed with an option for the user to customize the time of notificatio...key feature of the app that will need to be developed with an option for the user to customize the time of notification. - Ensure synchronization with Android's native calendar app is seamless with the reminder notifications. - Develop an effective Task Management system within the app. - Provide a weekly view option for users to navigate their schedule. Desirable skills: Android Development, Java, UI Design, and Database Management. Previous experience creating or working with calendar apps would b...

Google Play Store Reviews and Sentiment Analysis Website- The website offers a user-friendly interface and provide sentiment analysis of reviews from the Google Play Store. 1. User Module a. User Registration Module To get started, users need to register themselves by providing the following details: Username, Password, Email b. User Login Module- Users can log in to their account by providing their email and password. c. Review Submission Module - Users can submit reviews for apps on the Google Play Store. To submit a review, users need to provide: App Name, Review Description, Rating (1-5) d. View Sentiment Analysis Results Module - After submitting a review, users can view the sentiment analysis results and analysis results will provide insights into the s...

I am seeking a skilled data scrapper to retrieve specific information from 'Website 1'. a full comprehension of various types of data is needed for a successful scrape. The types of data required include: - Textual content - Metadata Specifically, within the textual content, I require: - Titles - Descriptions - Prices - Linked products - Related products An ideal candidate would demonstrate extensive experience in data scraping, with a keen focus on retrieving accurate and relevant information. A good understanding of e-commerce sites and familiarity with Metadata and APIs will be advantageous. Please, I urge you to utilize ethical scraping methods in accordance with the rules and regulations of the source website. Looking forward to working with a meticulous and...

...experienced Google Ads expert to help me generate more leads and boost online sales. Key Project Details: - The campaign is targeting a mix of B2B and B2C audiences. You will need to tailor the ads accordingly to ensure the best possible return on investment. - The allocated budget for the project is between $100 and $500. - The aim of the campaign is to not only increase website traffic but to also translate this into tangible leads and sales. Ideal Skills and Experience: - Proven track record of successful Google Ads campaigns, particularly in driving leads and sales. - Strong understanding of both B2B and B2C marketing dynamics. - Ability to work within budget constraints and deliver results. If you're confident in your ability to deliver on these goals, I&...

...website and receive around 50,000 job postings monthly from Jobg8. I need a custom plugin to effectively integrate these job postings onto my website and subsequently feed them to Google for Jobs. Key Requirements: - Develop a custom plugin that facilitates the regular feed of job postings from Jobg8 to my website - Design the plugin to allow for automatic selection of job postings based on specific criteria - Ensure seamless integration of the selected job postings onto my website - Implement a mechanism to feed the selected postings to Google for Jobs Ideal Skills and Experience: - Excellent proficiency in plugin development and integration - Prior experience working with Jobg8 or similar job feed providers - Familiarity with SEO and Google for Job...

I'm in need of a Google Sheets scripting expert who can help me create a bidirectional data transfer system in Google Sheets. - The task involves transferring ALL data from one main sheet to multiple other sheets. - The data should be copied as well as linked to the other sheets. - The script should work bidirectionally, meaning any changes made in the source sheet should be reflected accurately in all the other sheets and vice versa. Ideal Skills and Experience: - Proficiency in Google Sheets scripting, specifically working with data transfer and bidirectional systems. - Knowledge of how to copy and link data between sheets. - Experience in creating and maintaining bi-directional data systems. - Ability to ensure that the script performs seamlessly even ...

I need a thorough audit and optimization of my current Google Ads campaign. The aim is to boost sales, target a national audience, and enhance the campaign's overall performance. Key Points: - Current Performance: My campaign is meeting basic expectations, but I'm looking for an expert to take it to the next level. - Sales Boost: The primary goal is to increase sales. Your strategies should be tailored to promote conversions. - Target Audience: The campaign is aimed at a national audience. You should be able to optimize the ads to reach the right people across the country. The ideal freelancer for this project should have: - Proven experience in Google Ads management and optimization. - A track record of boosting sales through Google Ads. - Understanding of...

I'm looking for a Shopify seller with experience in running Facebook Ads to collaborate with me on a strategic experiment aimed at improving our conversion rate. Key Project Points: - The primary goal of our experiment is to increase our conversion rate, not just drive more traffic or sales. - The current advertising platform we are on is Facebook Ads. - We are open to experimenting with several aspects of our FB ads strategy to achieve the conversion increase, including ad creative and copy, target audience, and budget allocation. - One of the specific adjustments we're willing to experiment with is converting leads through 1:1 automated DMs. Ideal Candidate: - Proven experience in running successful Facebook Ads campaigns. - Does more than $5K in sales monthly. - Stron...

I'm looking for an experienced software developer to build a small online scanner to probe specific PC information and then verify its presence. The details include: - Operating System details. The exact aspects of the operating system that need to be verified are: - Identifying System Files. - Checking for Registry Entries. - Confir...to build a small online scanner to probe specific PC information and then verify its presence. The details include: - Operating System details. The exact aspects of the operating system that need to be verified are: - Identifying System Files. - Checking for Registry Entries. - Confirming the Presence of Installed Programs. You will need to check via an online scanner, the user must never download anything. There will be many sections o...

...that can help users understand the data intuitively. Platform: - The application needs to be developed for both web and mobile platforms. Dashboard Interactions: - Users should be able to interact with the dashboard in the following ways: - **View**: Users can see the data presented in different forms. - **Edit**: Users can make changes to the data as needed. - **Download**: Users have the capability to download the data for offline use. Ideal Skills and Experience: - Proficient in PHP and MySQL. - Strong understanding of front-end technologies. - Experience in developing data visualization tools. - Prior experience with real-time applications. - Ability to develop for both web and mobile platforms. If you're confident in your full stack development skills ...

My old Android slot machine app is proving incompatible with the latest ve...version of Android Studio. Despite having imported the necessary Android package in the project, I'm unable to build the app. I keep encountering an error message stating "java: package does not exist". Here's what I need: - Identify the source of the build failure - Fix the "java: package does not exist", making sure the app builds successfully - Verification that the app is working perfectly in the current Android Studio version The ideal freelancer for this job would have extensive experience with Android Studio, and debugging skills for identifying and solving build problems. Knowledge with Java and past experience in fixing similar errors will be an a...

I'm in need of a professional who can help with qualitative analysis of interviews conducted with subject matter experts. Key tasks include: - Conduct thematic analysis - Conducting a thorough qualitative analysis of the interviews - Identifying trends and patterns in the feedback ...qualitative analysis of interviews conducted with subject matter experts. Key tasks include: - Conduct thematic analysis - Conducting a thorough qualitative analysis of the interviews - Identifying trends and patterns in the feedback - Gaining insights based on the experts' opinions Skills and Experience: - Proven experience in conducting qualitative analysis - Familiarity with interpreting feedback from industry professionals and subject matter experts - Strong analytical skills to ident...

We are seeking a talented and experienced Java/Kotlin Developer to join our development team. The ideal candidate should be proficient in software development principles and practices. In this role, you will work on a variety of projects, from developing new features to maintaining and enhancing existing applications and creating Unit Tests. Key Requirements: - The application must be compatible with Android and iOS - I'm aiming for a high level of testing coverage, specifically continuous integration tests that run with every code update. Please bid with relevant examples of your work and an outline of how you would approach the testing of a Kotlin-based Android app.

Italian Recording Project We have a project, that needs Native Italian speakers, we will give you the text, and you need to record 89 short sentences. you just need to download our software, to read our text and record it, it's a very easy job. 1. You will need to record in a quiet place without loud background noise. and without an echo. 2. Each person Price is 5$ for 89 short sentences record. 4. The project will take about 10-15 mins only. If you are interested please let me know sure. I will contact u. A Good Opportunity For New Freelancers For taking 5 Star Review after their completion of the project. Thanks :

I'm in need of an app developer who can create a messaging app similar to WhatsApp & twitter . The app should include the following features: - Group Chats: Users should be able to create and participate in group conversations. - Voice and Video Calls: The app should support both voice and video calling. - File Sharing: Users should be able to share files of various formats and sizes. I'm looking for a professional who can develop this app for me at a reasonable cost. Please provide a quote along with your proposal. Experience in developing messaging apps, particularly with the features mentioned, will be highly appreciated.