App development ios android jobs

I'm looking to create a marketplace platform for my tech company's IT consulting and digital marketing services. The aim is to showcase our services in a manner that ensures customers have a clear understanding of what's on offer, and get the assistance they need to make informed decisions. Key Requirements: - Facilitation of IT consulting and digital marketing services - Emphasis on customer understanding of the services offered - Assistance in understanding customer requirements during the consultation process - Proficient user experience design for the platform The ideal freelancer for this project would have experience in: - Developing marketplace platforms - IT consulting and digital marketing - Requirement gathering and analysis - User experience design This project...

We are seeking a skilled developer with experience in web app development, especially in the financial sector. Key Features: 1. User registration and login using Aadhar 2. Integration of third-party APIs for data 3. Bank authorization payment system 4. Secure data storage 5. User metrics and tracking system with API 6. Possible integration of a loan application and approval module in the future Ideal Skills and Experience: 1. Previous experience in similar web-based applications, particularly in the financial sector. 2. Proficiency in relevant programming languages and frameworks, with a preference for JavaScript 3. Strong understanding of user experience and interface design. If you have the skills and experience to develop this application, we want to hear from you. Plea...

I'm looking to develop a chat application that supports both web and mobile platforms. It needs to be built with the following specific requirements in mind: - Multilingual Supp...interface and all user interactions should be seamlessly available in this particular language. - User Authentication: In order to enhance security and ease of access, the preferred method of user authentication is through phone number with OTP. This ensures that user access is secure and can be easily managed. The ideal freelancer for this project should have: - Proficient in both web and mobile app development. - Prior experience in developing multilingual applications. - Skilled in implementing secure user authentication methods. - Strong communication skills, as clear communication is cru...

I'm...me to create a new digital currency based on the Cardano blockchain. Key Project Details: - The primary function of the coin will be as a digital currency - The consensus mechanism should be Proof of Stake (PoS) Skills and Experience: - Strong background in blockchain development, particularly on the Cardano platform - Experience in creating digital currencies and implementing PoS mechanisms - Understanding of the regulatory framework for new crypto projects - Ability to provide guidance on the overall coin development process Deliverables: - Fully functional Cardano-based digital currency - Documentation on the consensus mechanism and any other technical details - Support with the launch and initial deployment of the coin Budget is negotiable based on experie...

...mobile app developer who can help me create a cross-platform e-commerce application for both iOS and Android. The app will be geared towards facilitating online shopping experiences for users. Key Features: - Product Catalog: The app should have a user-friendly interface that allows for easy browsing and searching of various products. - Shopping Cart: A critical component for any e-commerce app, the shopping cart feature should allow for item selection, quantity adjustment, and a smooth checkout process. - User Profiles: Users should be able to create and manage their profiles within the app, including personal details, order history, and saved payment methods. Ideal Skills and Experience: - Proficiency in mobile app developme...

I am in need of a skilled developer to build a comprehensive e-Commerce platform that facilitates multiple sellers. - The platform should include all standard e-Commerce features such as product search, filtering, a shopping cart, and a secure checkout ...sign up, list their products, and manage their sales independently. Please note that the details on the expected number of vendors and the shipping system are not provided. Hence, the system should be scalable and adaptable to accommodate a potentially large number of vendors and flexible shipping options. Ideal candidates for this project should have a strong portfolio of e-Commerce app development with multi-vendor functionality. The ability to create a user-friendly, reliable platform that can handle significant tr...

I'm in need of an Android app developer who can build an application primarily aimed at driving user engagement. This dynamic application should prominently feature the use of push notifications to keep our users connected and engaged. Skills and Experience: * Extensive experience in Android app development * Proven ability in implementing effective push notifications * Understanding of user engagement strategies within applications The aim is to build an app that not only engages the user but encourages regular active use via well-timed and strategic push notifications. The developer should also value user experience, making sure the app is intuitive and user-friendly. the app must be working based on only Python and Django

Note: my budget for whole project is 10$ Requirements Development/ design Socail media website for mobile ( frontend / backend ) Requirements functionalites 1: Design landing page 2: Registration Signup sign-in 3: make profile ( like add picture ) 4: users put anonymously suggestions event 5: system each Day randomly choices the event for randomly 2 or more users 6: users that system choice get Web notifications on their mobile devices or email 7: users accepted or declined the event. 8: the users that pressed decline they lose points the user that pressed accept they get points. Points meaning: system suggest more randomly events .

I'm looking for a skilled Android developer to build an Android app for virtual clothes try-on. I'm looking to implement a virtual try-on feature for clothing, specifically in React Native. Essential to this project is that the try-on feature should be capable of accurately recommending both size and fit of the clothing items to the user. I want target garment industries basically it's a B2B concept, right now what I want is to enable the customers to try clothes by wearing them, not actually but using a VR. Before heading forward I need to ask a question what's four plus five, if you know the answer start your proposal with it. I want you to implement something like this but on React Native Just mind the fact that the application of clothes o...

...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 have ample experience in iOS application development. Expertise in Objective-C or Swift would be a plus. - Live Chat Functionality: The application should include a real-time chat feature which can enable users to communicate within the app. Those with a strong background in similar projects will be considered first. Do include your experience details when bidd...

...the hunt for a proficient Android developer, who is well familiarised with Android Studio. The immediate need for my project is a Layouts Inspector tool that focuses on: - Basic Layout Structure Inspection I'm seeking out a simplistic method of inspecting the layouts to comprehend the basic structure without needing to delve into the more complex features such as component-border inspection or adjustable display parameters. This tool should develop an app solely compatible with Android smartphones. The functionality needs to integrate seamlessly into existing project work within the Android Studio environment. Ideal Skills: - Strong knowledge of Android Studio - Experience with creating tools that inspect layouts - Prior experience deve...

I am urgently in search of a seasoned Android developer to perform a minor tweak in a video feature of an app I'm working on. Currently, the app stores YouTube video IDs in Firestore. I need this altered so that it can store any video link, not just YouTube IDs. It is a task demanding a keen understanding of Android development, especially dealing with video functionalities and Firestore. Ideal Skills: - Strong experience with Android development - Knowledge of working with video functions - Experience with Firestore - Good attention to detail This is an urgent requirement and I appreciate swift, but precise work. I look forward to receiving your bids.

I'm in need of a skilled Laravel developer to entangle themselves in an ongoing basis for my project. Your primary tasks will be: - Building a new website from scratch - Continually adding new features to the website Key skills and experience required: - In-depth knowledge of Laravel - Experience in building complete websites - Ability to add new, innovative features - Problem-solving mindset to rectify website bugs Despite not being driven by any specific design requirements, the ability to deliver a user-friendly and aesthetically pleasing site will be preferred. Understanding or experience with my existing Laravel applications is not necessary. Here's to forging a productive, long-term relationship, as your role will be crucial in maintaining and advancing the functions of m...

I'm in need of a skilled app developer who can help me fix three main problems in an existing mobile application on both iOS and Android platforms. - Scanner Quality Issue: Currently, the scanner is producing very poor quality when the black and white filter is applied. Almost the entire page blacks out, which is unacceptable. The ideal candidate should be able to diagnose and address this problem effectively. - Filter Application Speed: The current application is not only producing low-quality scans, but it's also taking a considerable amount of time to apply the filter. I need this process to be radically sped up, without compromising the quality of the final scan. - Crop - This crop features cropping both length and breadth. If we do not want to crop a ...

I'm looking for a professional Unity dev...platform. Key Requirements: - Expertise in Unity: Proficient in creating game programs within Unity. - PC Game Development: Experience in developing games for PC platform. - Puzzle Game Design: Able to design and develop engaging puzzle mechanics. Your tasks will include: - Designing and Developing: You will be responsible for crafting the game's mechanics and features within Unity. - Playtesting: Ensuring the game is well balanced and engaging. - Bug Fixing: Addressing any issues that may arise during development. I'm looking for someone who is able to work efficiently and communicate effectively throughout the project. Please provide examples of your previous game development work within Unity, and specifi...

I'm in need of a skilled developer who can create a chat client-server program . The focus should be specifically on enabling text messaging and group chat functionality. The Language for this project is Python 3 You should write a client program and hence a client process should be running. Also. You should write a server program and hence a server process should be running. Specifically, you must implement two independent applications. One, called chatClient, implements the client component. The other one, called chatServer, implements the server component. You must design your own protocol for the communication between the client and the server. Key Features: Basic Functionalities • Administration Capabilities o A client will start by contacting the server to register. o A ...

...of a proficient and experienced app developer from India to build a top-notch Fantasy Cricket and Betting app. The app should be designed for both iOS and Android platforms. Key Features: - In-app Payments: The app must incorporate a seamless and secure in-app payment system. Users should be able to easily make transactions. - Leaderboards: The app should have a leaderboard feature. This feature will allow users to keep track of their performance against other players. - Premium Quality: My goal is to have a high-quality and well-designed fantasy app. Aesthetics, functionality, and user experience are key considerations for this project. User Interaction: - Users will have the ability to create their own fantasy te...

More details: Is this project for business or personal use? For starting a new enterprise What information should successful freelancers include in their application? Detailed project proposals How soon do you need your project completed? ASAP

Description: We are seeking an experienced web developer to create a dropshipping website that integrates with BigBuy, among other dropshipping platforms. The site must be functional, visually appealing, and designed to maximize sales conversions. Website Features and Requirements: Simple and Intuitive Interface: Clean design and intuitive navigation for an excellent user experience. Dropshipping Supplier Integration: Ability to easily integrate with BigBuy and other popular dropshipping platforms such as AliExpress and Oberlo. Payment System: Support for multiple payment methods including credit cards, PayPal, and local payment methods. SEO Friendly: Optimized for search engines to ensure good online visibility. Mobile Friendly: Fully responsive, ensuring functionality on mobile devices...

As an individual currently working on Android Studio, I require a seasoned Android Studio developer. The tasks include, but are not limited to: - Assisting with project completion - Fixing prevalent bugs - Incorporating a simple, aesthetically pleasing UI design This project places great emphasis on Android Studio, thus expert knowledge and experience in this field are necessary. Key features of the project include: - User login/authentication - Database integration - Push notifications I am looking for a developer with a keen eye for detail, along with substantial experience in developing reliable, high-quality Android applications. Your portfolio should demonstrate a strong and diverse range of past projects.

We are a digital marketing company seeking an experienced web developer to create a web application with functionalities similar to Buffer. Our goal is to enable users to schedule posts on various social media platforms and manage them from one place. Required Skills: Experience in developing web applications. Proficiency in programming languages such as JavaScript, HTML, CSS. Ability to work with web frameworks such as React, Angular, Vue.js, etc. Familiarity with working with APIs of social media platforms like Facebook, Twitter, Instagram, LinkedIn, etc. Understanding of data security and user privacy concerns. Ability to work in a team and communicate effectively with other members of the project team. Application Functionalities: Scheduling posts on various social media platforms, ...

...looking for a skilled 3D visualizer to help me create detailed models that will be integral in the prototyping and testing phase of our product development. Key Responsibilities: - Develop 3D models with moderate detailing and textures, prioritizing functionality without compromising on visual appeal - Collaborate with our product development team to ensure the models accurately represent our vision and technical requirements - Provide revisions and adjustments as necessary throughout the prototyping and testing phase Ideal candidate: - Proficient in 3D modeling software like Blender, Maya, 3ds Max, etc. - Prior experience in product development visualization, particularly for prototyping purposes - Strong attention to detail and ability to balance functionality w...

I need a simple project. 1. Visitor goes to website and presses scan. 2. Script checks inside area of their PC for file. 3. If their return result file found, if not file not found. That’s it

I'm in need of a reliable and experienced web developer to create a robust property management site for my company. The website will primarily serve as a platform for managing owner buildings, so applicants with a background in real estate. It should have certain key features including: - Tenant Screening, Rent Collection, Property Maintenance and Repairs, Financial Reporting, Lease Enforcement, Emergency Response, Legal Compliance, Tenant Relations, Vacancy Management, Financial Management, Legal Support, Technology Solutions & Asset Management. Freelancers with a solid understanding of these elements, and a track-record of delivering effective solutions, are highly encouraged to bid. Your expertise will be critical to this project's success.

I'm looking for a web developer to create an e-commerce website for me. The primary purpose of the site is to sell digital products. It's crucial that the site includes secure payment processing with Stripe Connect platform, as this will be a marketplace. Key requirements: - Development of an e-commerce website - Focus on digital product sales - Implementation of Stripe Connect platform for secure marketplace transactions Ideal skills and experience: - Proficient in e-commerce web development - Extensive experience with Stripe integration, ideally with Stripe Connect - Understanding of secure payment processing I'm looking for a professional who can deliver a reliable, secure, and user-friendly e-commerce website. Please share your relevant experience and p...

...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 that builds and design's Atlassian's core web experience across our e-commerce platform on , and more. Our team 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...

I need an experienced freelancer capable of creating and implementing a mobile push notification system, particularly for both iOS and Android. I have a Health Care cross platform mobile app ready to launch and I need Notifications done by using cross platform system like Cordova and/or Angular. Key Responsibilities: • Handle the execution of informative alerts, real-time updates, status updates, and reminders. • The system should be designed to send notifications upon the completion of services and at defined specific times or events. Ideal Skills and Experience: • Demonstrable experience building notification systems for both iOS and Android. • Complete understanding of programming rules and regulations for each specific platform. ...

I'm looking for a skilled web developer to create a student collaboration platform for our university. The main features this platform should include are document sharing, group chat, and project management tools. Essential requirements: - Strong experience in using PHP and JavaScript - Understanding of student collaboration platforms - Ability to design and develop effective and user-friendly interfaces - Experience in creating similar web projects Please share your relevant experience and provide examples of similar projects you have worked on in your proposal. You should be able to understand the needs of a diverse group of students and work towards creating a platform that enhances their collaboration and learning experience.

I'm seeking a skilled developer to create a with all features including coin staking feature, vip membership feature and project scoring feature, Also News section, refer coinofficial (for staking and news feature idea) . Please feel free to propose any programming languages or frameworks you believe are best suited for this project. Your suggestions will be greatly appreciated.

I will develop and publish your android app

I am seeking an experienced developer to add a TikTok-style live video streaming feature to my app. Key Details: - The feature should be developed for both iOS and Android platforms, ensuring a seamless experience across devices. - The live streaming should support multiple broadcasters concurrently, allowing for a diverse range of content and collaborations. Essential Features: - Live video streaming function with real-time interaction - Interactive chat capabilities to foster user engagement - Ability to host multiple broadcasters on one stream Ideal Skills: - Proficiency in iOS and Android app development - Experience with live video streaming integration - Familiarity with interactive chat features - Understanding of multi-host live s...

We are looking to create a website simil...Dynamic Pricing: The site detects the user's country, calculates delivery costs, and adds a commission. - Dropshipping Model: We do not import products; instead, we display them directly from the marketplace page using iframe HTML tags. We prefer to build the site using WooCommerce or WordPress for flexibility and ease of management. **Requirements:** - Proficiency in WooCommerce/WordPress development. - Experience with iframe HTML tags and dynamic pricing. - Ability to integrate with major marketplaces. - Understanding of dropshipping business model. If you have the skills and expertise to bring this project to life, we want to hear from you! Please provide examples of similar projects you've worked on, along with your proposa...

I'm in need of an IT specialist to help me create a comprehensive Transportation Management System (TMS) for my Freight Brokerage business. The TMS should have the following functionalities: - Load Management: Ability to manage and track the transportation of goods effectively. - Carrier Management: A system to efficiently manage carriers and streamline the process of assigning them to loads. - Financial Management: An integrated financial module to track costs and profits associated with shipments and carriers. User-Friendly Interface: I am looking for a system that is user-friendly and easy to navigate. This is particularly important for my team to quickly adapt and use the system effectively. Real-Time Shipment Tracking: Having the ability to provide real-time tracking f...

I'm seeking an experienced Flutter developer who can create a cross-platform application for both iOS and Android. The principle objective of this app is to provide a platform for on-demand house cleaning services. Key Features to Implement: - User account creation and management - A system that allows users to schedule and manage house cleaning bookings - Payment processing feature - Real-time updating feature for tracking service progress Ideal Skills and Experience: - Strong experience in Flutter for iOS and Android - Successful track record of creating on-demand service mobile applications - Solid understanding of user account management, payment processing, and real-time updating systems - Knowledge of UI/UX for easy navigation and appealin...

I'm in need of a skilled developer to help me complete a couple of tasks for a public website. - Bitcoinkiteslights: I'm looking for someone who can code customizable lighting patterns, integration with API and remote control capabilities. This involves programming the kites to have unique and customizable lighting effects, allowing the user to interact with them via a remote control, and connecting them to an external API. - Deposit Button: I also need a deposit button integrated into the website, to allow users to easily deposit funds. I'd prefer the button to be compatible with PayPal, Stripe and Square. Ideal skills and experience for this job would include: - Proficiency in JavaScript, Python and Ruby - Experience with hardware programming, particularly customizabl...

conduct a Pre-Employment Vetting Software Development at the university of Panama

...using the Ecomify theme. Order flow needs to go as follows. - Customers build their breakfast delivery bundle using a bundle maker. - customer then needs to pick their delivery days of the week, this must be flexible. - customer then checks out using a weekly subscription app, which also needs to be flexible. - delivery should only be available in certain locations in Abu Dhabi Store not launched yet and is designed using the Ecomify Theme Ideal Skillset: - Proven expertise in Shopify theme development - Previous experiences in checkout optimization - Adept in minimalist design concepts Freelancers' Application: In your application, showcase your work history and the Shopify stores you have previously created or modified, particularly those bearing minimalis...

We are looking for someone who has knowledge in web scraping and building mobile apps. Please do not apply if you don't have experience in both. As we are in the final stretch of our MVP (native iOS and Android mobile app), this individual will help us finish a critical feature in the app (i.e., web scraping) + other small features and help us launch in app stores. Please take a look at the attached high level SOW before you submit the bid AND include your time commitment (hours/week) and hourly rate. We will select candidates based on the bids. The detailed SOW will then be shared with the selected candidate/s before finalizing timeline & budget. Acceptance criteria will be provided once we move forward with the selected candidates. ...

I am in search of a qualified freelance developer with experience in creating software for human resources or related fields. The project at hand involves creating a software solution for a comprehensive pre-employment vetting process, specifically focused on background checks. The developed software should be able to facilitate: • Comprehensive Background Checks: The software should have the capability to conduct general background checks on potential hires. • Criminal Record Check: A specific function should cater to conducting checks on applicants' criminal records. • Employment Verification: The software should possess a feature that verifies previous employment records. • Education Verification: There should be a function verifying the educational quali...

I'm looking to improve my app tracking capabilities with a focus on measuring downloads, analyzing revenue, optimizing ads, and discovering new opportunities. I'm in need of an expert in AppsFlyer and Google Analytics 4 (GA4) to ensure both iOS and Android versions of my app are correctly set up to achieve these goals. Key Responsibilities: - Audit and optimize AppsFlyer and Google Analytics 4 for my app. - Analyse user engagement data to advise on app improvement. - Monitor and analyze app revenue and recommend revenue-boosting strategies. - Track and optimize Ads performance. - Unearth opportunities from our app tracking data. Desired Skills: - Proficient in AppsFlyer and Google Analytics 4. - Experience in ap...

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 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 be advantageous.

...developer to create a versatile iOS note-taking app. The primary goal of the app is to provide a comprehensive platform for text formatting, creating, saving, and printing notes. Your main tasks will include: - Implementing essential text formatting features like bold, italic, and underline. - Enabling users to insert various elements such as images, tables, graphs, and backgrounds. - Customizing fonts and other text styles. - Providing options for saving notes in various formats like pdf, txt, rtf, and doc. - Incorporating a seamless printing functionality. To be successful in this project, you should have a strong background in iOS app development, particularly in the context of note-taking and text formatting. Proficiency in tools like Flut...

I'm looking for a highly experienced Flutter developer to integrate Bluetooth Low Energy (BLE) scanning and WiFi configurations into a cross-platform mobile application. Requirements: - Cross-platform compatibility: The application should operate seamlessly on both Android and iOS. - BLE Functionality: The app should be able to scan for and connect to BLE devices, prioritizing a specific custom BLE device. - WiFi Configurations: The developer should also build functionalities that will enable the app to connect and configure WiFi. Ideal Skills and Experiences: - An expert level of knowledge and practical experience with the Flutter framework is critical for this role. - A deep understanding of utilizing BLE technologies, particularly with custom B...

...in need of a skilled game developer or team to digitalize my board game for both iOS and Android platforms. The game's primary target audience is teenagers, so it must be appealing and engaging for this age group. Key requirements: - Mobile platform: The game must be available on iOS and Android, ensuring its accessibility to a wide audience of teenagers. - Multiplayer functionality: This is a crucial feature of the game. It should enable teenagers to play the board game with friends in a digital environment. This will enhance the social aspect of the game, making it more enjoyable for its target audience. - Full game development: The developer or team should be able to handle all aspects of game development, including coding, design, and ...

I'm in search of a skilled machine learning developer with expertise in GPT (Generative Pre-trained Transformer). My goal is to have an AI model that can both correct and standardize postal addresses. The addresses will be provided in CSV files and the output of the model should be accessible via an API for integration into our system. Key requirements: - Proficiency in machine learning with a focus on GPT - Experience in addressing data correction and standardization - Ability to work with CSV files - Familiarity with API integration - Strong communication skills for seamless collaboration The ideal candidate will have a proven track record of developing AI models, particularly in the realm of addressing data, and be able to provide a detailed timeline for the completion of the pro...

Note : my budget for whole project is 20$ Project Overview : developing a web-based game that leverages the ChatGPT API to generate unique scenarios and tasks for players. The game will offer personalized experiences with secret objectives that contribute to a collective goal. **Game Flow Implementation:** 1. **User Registration and Profile Creation:** - Players sign up and create profiles. - Each player is assigned a unique identifier (UUID) for tracking. 2. **Scenario Generation:** - At the start of a session, the backend sends a request to the ChatGPT API. - The API returns a scenario that sets the context for the game. 3. **Task Generation:** - Based on the scenario, the backend formulates tasks for each player. - Tasks are personalized using player data and...

My old Android slot machine app is proving incompatible with the latest 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 ...

...allows for a user-friendly experience. Key Project Requirements: - **Design**: Need assistance in creating a visually appealing and easy-to-navigate design. - **Content Categories**: The site should support different blog topics, including Lifestyle, Fashion, and Tech. - **Content Management**: A CMS that allows for easy creation and scheduling of posts on a weekly basis. Ideal Skills: - Web Development: Proficiency in developing websites, particularly blog sites, is essential. - UI/UX Design: Experience in designing attractive and user-friendly interfaces. - CMS: Familiarity with content management systems to ensure easy content updates. - SEO: Understanding of basic SEO principles for optimal visibility of the blog. If you have a creative eye, have worked on similar proje...

I need an expert Android app developer to turn my already-designed flowchart into a fully functioning application. Please Read the attachment. My budget is not more than 40000 INR

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.