Develop android app windows jobs

I am seeking a skilled professional to develop a facial biometric validation system that ensures high accuracy. This system will be integrated into both a mobile and web application for the sole purpose of identity verification. The primary goal of this system is to prevent fraudulent activities and provide enhanced security. Key Responsibilities: - Develop a robust facial biometric validation system with a high level of accuracy - Integrate the system seamlessly into both a mobile and web application - Implement features that support identity verification Ideal Skills and Experience: - Proficiency in developing biometric systems, particularly facial recognition technology - Prior experience in creating and integrating systems into mobile and web applications - Familiarity ...

I'm in need of an experienced Android developer to update our Java-based app, originally designed for Android 5 KitKat, to work seamlessly on modern tablets. Key Requirements: - Improve User Interface: The project involves enhancing the app's existing UI. - Compatibility Upgrade: The current app is only compatible with Android 5 KitKat; the developer must ensure it functions smoothly on contemporary tablets. Additional Information: - The app currently consists of 6-10 screens or activities. - A new feature will be the integration of Bluetooth connectivity. -The app controls hardware via bluetooth, sends PWMs and reads ADC values and reads/writes to an rs232 info stream

I'm looking for a skilled professional who can develop a top-notch Cover page specifically tailored for senior executives. The tool should be dynamic, easy to use, and visually engaging to cater to this demanding audience. Key Features: - Template Selection: The ability to choose from a range of creative and visually appealing templates is crucial. These templates should be uniquely suited for senior executives, showcasing their experience and skills in the best light. Ideal Skills: - Prior experience with CV/resume builder tools - Strong sense of design, especially in a creative context - Understanding of the needs and expectations of senior professionals - User experience design to ensure the tool is intuitive and easy to use Experience in designing for high-level profess...

As a client, I'm looking for a seasoned professional to revamp my existing website and develop a user-friendly mobile application for our members using WordPress. Primary Goals: • Improve user experience • Increase customer engagement • Enhance website functionality Key Features: • Responsive design that is tailor-made for all screen sizes • A secure members-only area that requires login The ideal candidate will have the following expertise: • Proficiency in WordPress • Experience in responsive web design • Skill in developing secure login areas This project calls for someone well-versed in creating engaging, user-friendly platforms that drive customer engagement, enhance website functionality, and improve the overall user ex...

...need of a professional who can create an advanced mobile monitoring app that is compatible with Android. The app should have the following features: - Live location tracking - Access to SMS and call logs - Social media monitoring - Screen recorder - Microphone access - Access to photos & videos I am looking for a freelancer who can ensure that the app provides full access to the target phone's data for comprehensive monitoring. The successful candidate should have experience in creating similar apps and should be able to guarantee the security and privacy of the data collected. Skills required: - Android App Development - Mobile Security - Data Encryption - Experience with phone monitoring apps It's important that the app...

I'm looking for a Flutter developer who can create an application that simply redirects to an existing responsive website, www.saveonrx.net. The main goal is to give this website a feel of a native mobile application, while supporting both Android and iPhone devices. Key Details: - The application should be built using Flutter. - There is no requirement for extra functionality beyond redirecting to the site. The ideal freelancer for this project should have: - Experience in developing with Flutter. - A good understanding of mobile application design. - Ability to work with provided assets, including logos and brand colors. Please share your relevant experience.

I'm looking for a skilled Python developer who can create a tool that can convert VCE (Visual CertExam) files to PDF. The script needs to be compatible with Windows, and ideally, it should: - Provide output in a format that is both viewable and editable - Operate solely via a command line interface Ideal applicants will have experience in Python programming, data manipulation, and an understanding of file conversion processes. A background in creating command line tools is a plus. Your experience in delivering clean, efficient code is highly valued. Please provide examples of previous work when applying. I'm on a tight budget ($10 - $15)

I need an Android developer for some easy tasks and for long term I need a new android developer for long term I need work form Pakistan or Indian developer

I need a 3D Sketchup model of an existing garage, based on attached CAD plan & photos. Only exterior modeling is required: the basic building shape, with doors & windows included. Thanks!

...who is proficient in Java and familiar with the DJI drone SDK. Seeking individual with HTTP and DJI SDK experience to add features to DJI Ground Control Software. The application must transmit and handle HTTP REQUEST to server, display popup messages, play notification audio, and auto-upload waypoint to a selected drone. Key requirements: - You must have experience in software development on Windows OS. - Proficiency in Java is a must. Experience with DJI drone SDK is highly preferred. - The main feature to be added to the software is automatic drone flight path planning. Key responsibilities: - Integrate the DJI drone SDK into my existing software. - Implement automatic drone flight path planning feature. This project will give you the opportunity to work with cutting-edge ...

I'm in need of a skilled Ventuz Developer for a project focused on creating an interactive training presentation. I'm looking to bring an innovative and engaging approach to my training sessions, utilizing interactive elements such as polls. Key Tasks: - Develop an interactive Ventuz training presentation. - Implement interactive polls within the presentation. Ideal Skills and Experience: - Proficiency in Ventuz software to develop interactive presentations. - Strong understanding of training content to create an effective presentation. - Experience in designing and implementing interactive elements such as polls. - Ability to engage with audience in a professional and informative manner. The goal is to provide an engaging and interactive training session for my ...

I'm looking for a professional who can develop a Chrome extension that will automatically respond to all WhatsApp messages. Key Requirements: - Operating System: The extension should be designed for Windows. - Message Response: I need the extension to send a simple "hello world" message in response to every message received on WhatsApp. -Logs: store logs - User: The final product will be used for personal use, so no team functionality is necessary. Ideal Freelancer: - Proficient in Chrome extension development. - Experience with the WPPconnect wa-js listener. - Strong understanding of WhatsApp's API for message reception and sending.

...database solutions for our organization, leveraging Netezza and Oracle technologies.  Lead a team of developers in the implementation and maintenance of database systems.  Collaborate with other stakeholders to gather requirements and define database architecture to meet business needs.  Optimize database performance through indexing, query optimization, and other performance tuning techniques.  Develop and enforce data standards and best practices to ensure data integrity and security.  Provide technical guidance and mentorship to junior developers.  Troubleshoot database issues and provide timely resolution.  Stay up-to-date with the latest trends and technologies in database management and architecture. Skills and Qualifications  Bachelor's degree in Computer ...

We have a Flutter app for both Android and iOS that are already developed. We am seeking a freelancer with expertise in Flutter for generating the Android and iOS builds. We have access to the Apple Developer account, but not to the Google Play Console. The iOS build will also need to be pushed to TestFlight. Development: - Flutter 3.19.0 - Android Studio (Jelly Fish) - THIS IS MANDATORY Key Requirements: - Generate the Android and iOS builds for an existing Flutter app - Push the iOS build to TestFlight - Proficient in managing and uploading builds on Apple Developer account Additional Information: - The Flutter app is integrated with push notifications. Please ensure that the configuration for these services is maintained in the builds...

I'm seeking a skilled VR developer with a strong background in the Meta Quest platform for interactive apps. Key Requirements: - Develop an interactive VR experience that's engaging and user-friendly - Implement VR specific mechanics, such as gaze-based, hand-movement interactions, and intuitive controls - Incorporate high-quality visuals and 3D environments that are optimized for VR - Design and integrate a variety of unique and interesting avatars that the player can interact with - Ensure the app is suitable for a single user experience Ideal Skills and Experience: - Prior experience in developing VR games, ideally for Meta Quest - Proficiency in Unity or Unreal Engine (or other relevant game development engines) - Strong understanding of game design principle...

We would like to develop a new woocommerce web site in three languages, in order to sell swimming products (approximately 200 products) We are a society based in Switzerland French speaking developpers would be probably an advantage for us

Hey, I'm currently developing a token on Solana called Kosher Token. Once that is complete, I would like to develop an app. I would like to get a quote for developing an app with you. The app will need to run on mobile (apk) and desktop (cloud). The MVP will include two products: the Kosher Wallet and Kosher Vendor. Need a quote for each product respectively. Please see UI design attached for reference. (Desktop and mobile versions will be very similar. We do not need two completely different designs) The landing page is already done: I only need a quote for the app. Please review the documents attached and ask any relevant questions you may have. Then please send me a rough estimate and timeline. I ignore all auto bids. I only engage with meaning...

I am in need of a skilled professional who can help me install OpenStack on an Ubuntu server. Specifically, I am looking for support in setting up a multi-node (1-5 nodes) OpenStack environment. The primary purpose of this cloud will be for development and testing. Ideal skills and experience for this job include: - Expertise in work...nodes) OpenStack environment. The primary purpose of this cloud will be for development and testing. Ideal skills and experience for this job include: - Expertise in working with OpenStack - Proficiency in setting up and configuring multi-node environments - Strong understanding of Ubuntu server systems - Ability to optimize the setup for development and testing purposes. - Ability to create Windows and Linux images to build VMs - Fault-tolerant con...

I'm in need of a skilled and experienced games programmer to help me create a mobile game with a strategy genre. The ideal candidate for this project should have the following qualifications: - Proficiency in C++, Java, and Python, as these are the languages I'm familiar with and would like to use for this project - A proven track record in developing mobile games, with a preference for strategy games - Strong understanding of game design principles and mechanics - Ability to work collaboratively, take direction, and provide valuable insight and feedback - Excellent problem-solving skills and a keen eye for detail If you have the necessary skills and are passionate about creating engaging, high-quality mobile games, I'd love to hear from you. Please provide examples of you...

I'm seeking a skilled mobile app developer to create an engaging social networking application for both iOS and Android. Key Features: - Messaging: The app should enable users to send messages to each other, fostering communication and interaction. - Photo & Video Sharing: Users should be able to share photos and videos within the app, promoting content sharing and user engagement. Skills and Experience: - Proven experience in developing mobile applications, especially for social networking purposes. - Strong proficiency in both iOS and Android platforms. - Familiarity with integrating messaging and media sharing functionalities. - A good eye for UI/UX design to create an intuitive and visually appealing app. - Ability to ensure the a...

I'm looking for a skilled developer to create a clean and professional website on Solana. Key Requirements: - Develop a website on the Solana blockchain - Implement a clean and professional design - Add necessary features for a typical business website Ideal Skills: - Strong experience in web development, specifically on the Solana blockchain - Proficiency in creating clean and professional designs - Understanding of typical features needed for a business website Please note that the primary function of this website was not specified by the client. It would be beneficial if you can include some suggestions based on your expertise. Thank you!

I require a skilled professional to develop a machine learning model for predictive analytics revolving around weather data. The end objective is to accurately predict air quality. Main Responsibilities: - Development of a predictive analytics model using machine learning techniques - In-depth handling and processing of weather data Ideal Candidate: - Solid experience in Machine Learning, with a focus on predictive analytics - Proficient in handling and analyzing weather data - Skilled in integrating and adapting machine learning models into software applications - Previous experience in air quality analysis will be a plus Overall, the project focuses on leveraging weather data to foresee air quality conditions. Your trained model should empower decisions based on its predictio...

...the world. From fashion to home decor, our platform caters to discerning customers seeking unique, high-end items. Job Description: As a Freelance Sales Expert, your primary goal will be to generate a minimum of 100 sales per month for KHLuxuryShopping. You will leverage your sales expertise and network to drive customer engagement and increase conversions on our platform. Responsibilities: Develop and execute strategic sales plans to achieve or exceed the target of 100 monthly sales. Identify and engage potential customers through various channels including social media, email marketing, and networking. Build strong relationships with clients and provide exceptional customer service to drive repeat business. Monitor sales performance and provide regular reports and insights t...

I'm in need of a seasoned developer who can ...The system should be able to provide the standard functionalities of a remote desktop application, including file transfer, chat, and remote desktop control. This way, I can seamlessly manage the connected PCs without needing to use port forwarding. - **Programming Languages**: The application should be written using C++ and C#. - **OS Support**: The application should be designed to run on Windows only. I'm particularly interested in having the source code once the project is complete. This project is suitable for an individual with proficiency in C++ and C#, as well as a strong background in developing remote desktop software. Experience with network programming and knowledge of secure communication protocols will also...

...it could also handle passports from other countries. Working principle: _ The mobile application will read the passport from the mobile camera, and the application will read MRZ lines. - The mobile application will generate a passkey (from mrz lines) to read the RFID passport. - The mobile application will send the passport data to a given web service. Ideal Skills and Experience: - Mobile App Android application development. - Proficiency in RFID technology and passport reading mechanisms. - Previous experience in developing similar systems. - Knowledge of Turkish passport formats and RFID standards. - Ability to create a system that is secure, efficient, and can be integrated into a visa application process. Please note that the success of the project hinges on the s...

...audit. The ideal candidate should have good communication skills. You will have to own and android mobile device to be eligible for this project. You must be available immediately. For this project, you will have to go to 15 stores and assess products for defects. The number of stores will decrease to 10, if the products' availability is more than 90% after the first 10 stores. The payment for this project is €220. In each store you will have to assess the product, take photos of the defects, and assess the production code. You do not have to purchase any products. Specific requirements for the project include: - Conducting a retail audits in Hue, Vietnam - Collecting data on an app - Must have an android device Skills and experience needed for this p...

I need a desktop application that can be run on Windows machines over a local area network (LAN). The primary function of the application will be to gather specific details about the computers on the network. Key Features: - The application should collect and store information such as MAC address, IP address, and disk serial number. - The user should be able to enter a computer name to retrieve and store the relevant details in a dedicated file named ''. Ideal Candidate: - Proficient in Python - Experience in developing desktop applications for Windows - Knowledge of networking concepts and system information retrieval - Familiarity with data storage and file handling in Python .

...Pack page regarding serial numbers, job pack numbers, and dates in Laravel. 23. Automatically populate VAT information from the Job View page during invoice creation in Laravel. 24. Implement company filter and action links for quotations based on type on the Invoice listing page in Laravel. 25. Disable automatic PDF creation when viewing data; display data in HTML view instead in Laravel. 26. Develop a calculator for estimating materials, ensuring compatibility with the old CRM and website in Laravel. 26a. Update the Enquiry database to save enquiries from the website Estimate Calculator form in Laravel. 27. Work on integrating a map to visualize data in Laravel. 28. Implement CRUD functionality for Email Templates in Laravel. 29. Allow selection of email templates within the cu...

I'm in need of a desktop software that can analyze a specific type of data within a PDF table. The software should: - Read and extract data from a PDF table - Compare this data against another table - Identify and save matching data in the form of an Excel file. The tables in question will contain numerical data only. Ideal Skills and Experience: - Proficiency in developing software for Windows - Experience with data extraction from PDFs - Strong capabilities in data comparison and analysis - Knowledge in Excel formatting - Understanding of numerical data handling.

I'm in need of a detailed and impactful email marketing campaign targeting 16,000 recent graduates. I will share the Email data. The campaign is designed to promote and generate interest in my upcoming "Training & Internship Program." related Webinar Inviting. I will share the email Content as well. Key Responsibilities: - Develop and execute a strategic email marketing plan - Create compelling content that resonates specifically with this audience, focusing on the benefits and opportunities the program offers - Employ best practices to ensure high open and click-through rates - Monitor campaign performance and make data-driven adjustments as necessary I'm happy to discuss further details about the project with interested freelancers. Looking forward to h...

I'm looking to develop a comprehensive fitness app that combines tracking, planning and voice recognition features. This app will have to be available on iOS and Android, and also have a web-based version. Key Features: - Calorie Tracking: Users should be able to log their daily food intake and keep track of their caloric intake. - Exercise Tracking: This part of the app will allow users to log their workouts and monitor their progress over time. - Meal Planning: I intend for this app to provide users with meal planning options that suit their fitness goals. Unique Feature: I'm also really keen on incorporating voice recognition feature to make the user experience more convenient. Integration: For a seamless user experience, the best...

I'm currently having issues with my Radmin VPN on my Windows system. It just stopped working and has been showing an error message - 'waiting for adapter response'. This problem arose after I uninstalled the software then reinstalled it. The ideal freelancer for this project will be proficient in the following: - Windows operating systems - Troubleshooting VPN issues - Understanding of software installation impact Your role will be to resolve this issue as soon as possible and ensure the VPN is up and running without any errors.

Hello, I saw your profile and I am interested in requesting your support, I need a poc (proof of concept) with flet + python that makes a line graph, a bar graph and a donut graph on an android and on a website It is very important that from my computer I can install the project on an Android mobile that works with async and fastapi methodology, depending on the results we can look at 100% development of the app, but I do need to do a proof of concept before starting the big project. thank you so much

I'm looking for a skilled developer to create a Windows-based desktop application. This software will primarily be used to handle the transfer of text files. Key Requirements: - The application should be compatible with Windows OS. - It will be primarily focused on the handling and transfer of text-based files. - There is no need for the application to support data encryption during transfer. Ideal Skills: - Proficiency in Windows Desktop Application Development - Experience in handling file transfer applications - Strong understanding of text file manipulation and transfer - Knowledge of data encryption (though not essential for this project)

The main objective of the project is to develop a website where we combine the features and services of and in one website. Please share your previous related jobs, like behance profile dribble, etc related to saas dashboards or projects We will offer both features of the mentioned sites on a single website so we need to combine them in an ingenious way, so I need a designer to create a figma file or similar so that the developer can use it as a guide. we must combine it in ingenious ways. . I need an expert in saas projects Requirements: Proven experience as a UX Designer with a strong portfolio showcasing previous work. Solid understanding of user-centered design principles and methodologies. Proficiency in design and prototyping tools such as Sketch,

I am seeking a proficient blockchain developer who can assist me in creating a gaming-focused decentralized application (DApp) on the Ethereum network. Key Responsibilities: - Design and develop a user-friendly, interactive DApp that caters specifically to gaming - Ensure the DApp is secure, reliable, and performs efficiently on the Ethereum network - Collaborate with me to bring creative and innovative ideas to life in the DApp The ideal candidate should have: - Proven experience in developing DApps on the Ethereum network - A strong understanding of blockchain technology, smart contracts, and the Ethereum ecosystem - Prior experience in gaming-focused DApp development is highly preferred - Excellent communication skills and the ability to work collaboratively

I'm in need of an experienced professional who can help improve my workflow by automating tasks within Visual Studio using C#. Key Responsibilities: - Understand my workflow: The first step would be to understand the tasks that could be automated in Visual Studio. - Develop automation scripts: The core of the project will be developing efficient and effective C# automation scripts to handle these tasks. - Testing and optimization: After developing the scripts, there will be a need for testing and optimization to ensure the automation runs smoothly without any issues. Essential Skills: - Proficiency in C#: A strong background in C# programming is a must for this project. - Knowledge of Visual Studio: Familiarity with the Visual Studio environment will be a definite advantage. ...

...have already set up and configured both systems, I need to fetch key metrics from an on-premise Windows machine and feed them into Elasticsearch. Key Tasks: - Fetch specific metrics: I need the DevOps engineer to configure the system in a way that it can fetch CPU usage, memory usage, and disk usage metrics from the on-premise Windows machine. - System optimization: While I have already set up the system, I am looking for someone who can optimize the performance of the system and make it more efficient. Ideal Skills: - Proficient in Elasticsearch and Grafana: The freelancer should have proven experience in working with these systems. - Windows System Proficiency: A strong understanding of Windows system metrics and how to fetch them is crucial. - DevOps ...

I'm in need of a top-tier JavaScript developer to work on a web application project for our startup company. Your primary focus will be on the front-end development, implementing a user interface in React and Vue. The ideal candidate for this job should have extensive experience with these frameworks and libraries, especially and Nuxt.js. Key requirements and responsibilities: - Develop new user-facing features using React and Vue - Ensure the technical feasibility of UI/UX designs - Build reusable code and libraries for future use - Optimize application for maximum speed and scalability Ideal skills and experience for this project include: - Senior level JavaScript development experience - Proficient with React, Vue, , and - Strong understanding of front-end technologies

I require a proficient CADD professional to assist in the creation of Information, Communication, and Automation Technology (ICAT) equipment layout on existing CAD drawings. Key Responsibilities: - Create 2D CAD drawings - Develop detailed riser diagrams The CAD Drawings should encompass: - Audio Visual systems - Communication systems - Security Systems Ideal Expertise: - Proficiency in AutoCAD - Prior experience in CADD, especially in creating 2D layouts - Understanding of ICAT equipment layout - Knowledge of Audio-Visual, Communication and Security systems Please provide examples of your previous work in this area.

Looking for an android developer Java,Kotlin,JSP, Servlets, MQ series, Hibernate, Python, Microservices, Swings, WebSphere-Portals, HTML5, Bootstrap, JavaScript, Bigdata, Linux Frameworks Android Mobile App Development, Spring boot, Struts, Hadoop This will be ongoing

I need a skilled developer to create a graph logic application in either Core PHP, JavaScript, or JQuery. The application will focus on visualizing user engagement data, specifically the bounce rate. Key Requirements: - Develop a graph logic application that utilizes Core PHP, JavaScript, or JQuery. - The system should effectively visualize user engagement data. - The application should specifically focus on visualizing the bounce rate metric. Ideal Skills: - Proficiency in Core PHP, JavaScript, or JQuery. - Experience in developing graph logic applications. - Understanding of user engagement metrics.

The main goal of this project is to improve our React application so it looks professional and has a better overall UX. Everything below should work on Chrome, Edge, Firefox and Safari of windows desktop, iPhone and android. Milestones will be created. Results card layout improvements: a) Currently, for layout with multiple laptops per row, it shows specs only on mouse-over, lets remove that and show that in the card itself, between the laptop image and the hyperlink of the laptop title. Lower the font a little bit and add a special css class to control the style of the specs. b) The cards need a bit more padding/margin so they dont look too crowded with information. Show Details popup: c) Show details popup needs to occupy 90% of the screen width showing the specs in two c...

I'm looking to develop a corporate website with several pages, more than 10 in total. The website should have a professional and clean design, reflecting our company's ethos. We'd like to work with a developer who has experience in creating corporate websites and can bring new, innovative ideas to the table.

I am in need of a skilled mobile app developer to create a cross-platform (Android and iOS) application. The app is specifically designed for construction and facility management professionals and its primary function is to perform defects analysis. It should offer a user-friendly interface and reliable performance across both platforms. Key requirements: - Cross-platform development expertise (Android and iOS) to develop the ap readyy to launch on play and apple store - Experience with data analysis functionalities in mobile apps - Understanding of business user needs and intuitive UI/UX design - Ability to create a reliable and scalable app for long-term use - integrate app to generate itemized reports with photos and mark up PDF docu...

I'm in need of an experienced UI/UX designer with hands-on Developing skills using ReactNative. The mobile app will be developed for both Android and iOS platforms. Looking for support for Revamp work. If you're well-versed in these elements and have a knack for intuitive, user-friendly design, I'd love to see your portfolio and discuss this further. Location - Bangalore Ideal skills: - ReactNative development experience - UI/UX Design - Android and iOS development References of projects with a modern and sleek design would be a plus.

I'm seeking an ex...installation within an indoor setting, employing the use of colourful textiles, mesh or artificial flowers as the primary material. Artist should be London based in the UK. Desired Experience & Skills: - Proven experience in surrealism art is favourable. - Ability to work well with cloth material. - Strong aesthetic eye for indoor art placements. What I Expect: - Engage in conceptual discussions. - Develop and execute the surrealist art project indoors. - Ensure the cloth stands out to modify the mood of the room - Theme: light and harmony Considerations: Due to the nature of this project, a keen understanding of indoor space maximization is vital. Applicants should have a portfolio showcasing previous works, especially surrealistic cloth art installa...

I'm in need of a talented developer with experience in using Silvaco TCAD on Windows for an AlGaN/GaN HEMT device. The primary objective is to optimize device performance by refining three key parameters: - Power output - Efficiency - Frequency response Key Responsibilities: - Develop Silvaco TCAD code on Windows. - Simulate AlGaN/GaN HEMT device. - Optimize the device's power output, efficiency, and frequency response. - Provide a detailed report of the simulation results including the changes made in the code and the impact on the parameters. Ideal Candidate: - Proficient in Silvaco TCAD, particularly on Windows. - Strong background in semiconductor device modeling, especially in III-V compound semiconductors. - Experience in optimizing power outp...

I'm seeking a proficient and experienced content writer to develop engaging and captivating scenario-based learning modules for a training program. This project will benefit from someone with: - Prior experience and expertise in creating content for various training programs - Deep understanding and knowledge in leadership development and employee engagement - Experience in designing scenario-based learning material which engages the trainees and contributes to better learning outcomes Your key role will be constructing easy to understand, compelling interactive learning scenarios ensuring a high degree of user interactivity that will assist the comprehension of the training programs. It's important not to forget to incorporate elements of fun and engagement within the...

I'm in need of an experienced Android developer to create a productivity app that primarily focuses on calculations. Key Features: - The app will be centered around calculation functions - Users should be able to make basic arithmetic calculations - The app needs to be user-friendly and intuitive for quick calculations Ideal Skills and Experience: - Strong background in Android development, proficient in Java or Kotlin - Previous experience building productivity apps - Prior experience working with calculation functions - A good understanding of UX/UI in mobile apps