Sql application ipad jobs

I'm looking for a skilled developer to create an application that can apply TikTok filters to 500 videos. Key Requirements: - Compatibility: The application should be compatible with both iOS and Android platforms. - Purpose: The primary goal of this application is to enhance the quality of these videos. Your responsibilities will include: - Developing a user-friendly application that can batch apply filters to the provided videos. - Ensuring the filters are correctly applied without any loss of video quality. Ideal Skills and Experience: - Proficiency in mobile application development, particularly for iOS and Android. - Strong understanding of video processing and filtering. - Prior experience with TikTok filters or similar video enhancement te...

I need someone who can develop and debug test automation, with a Java/Selenium/Maven/TestNG framework, for an Intranet web application. The automator should be located in Washington, DC, USAor in a metro-accessible DMV (DC/Maryland/Virginia) location. I need someone who can work next to me physically, as I am unable to allow anyone to remotely access my laptop because the project is running on a work computer and network, which is why I need someone local. Nobody on my team or project has experience with automation, and I'm having trouble with several framework design difficulties and test execution issues, which is why I need help. Outline of requirements: - Proficiency in Java programming language, Selenium, and TestNG - Be located in a metro-accessable DMV area, and work in...

I have a TikTok filter that I would like to apply to a series of 500 videos. The videos are entertaining in nature and meant for a general audience. Key requirements: - Utilize a TikTok filter I have developed on 500 videos - Ensure the videos maintain a consistent and entertaining tone - The target audience for these videos is a general audience I am looking for a skilled professional who has experience with video editing and applying filters. The ideal candidate will have a good understanding of TikTok and its audience, and be able to create engaging content that is suitable for a broad demographic.

We are seeking talented designers to create an innovative and user-friendly web application for IT recruitment that connects candidates with companies. This platform should streamline the recruitment process, support detailed profile management, and facilitate secure job placements and agreements. Design Requirements 1. User Management - Designs for separate registration and login processes for candidates and companies. - Interfaces for user roles and permissions, including an admin panel. - Layouts supporting multi-factor authentication and candidate verification processes. 2. Profile and Agreement Management - Clean designs for candidate and company profile pages that include personal, educational, and professional details. - Interfaces for uploading and managing digital docume...

I need a web application built to facilitate the delivery and collection of ice cream. Here's a brief of what I'm looking for: -plan for delivery depends upon the customer orders - Map Integration: The application needs to integrate maps for tracking deliveries. -collection money with denomination entry and expenses entry for driver and salesman The workflow should be inclined towards invoiced and delivery system.

We are seeking a skilled developer w...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. Please provide examples of your previous work in this area and your approach to developing secure and scalable we...

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 Support: The application should be designed to support a specific non-English language. The chat 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...

I'm in search of an experienced and skilled developer who can create a remote desktop control application for Windows and Mac. Key Features: - File Transfer: The application should allow for seamless transfer of files between the remote system and the controlling device. - Real-time Chat: It should include a chat functionality to enable communication between the remote system and the controlling device. - WiFi Connection: The application should be able to function over a WiFi Connection. The program has to run in both windows and mac systems. The ideal candidate will have: - Proficiency in Windows and Mac application development - Experience in developing remote control applications - Familiarity with features like file transfer, real-time chat, screen tra...

...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 pla...

...Existing Environments. Maintain Documentation For System Processes And Procedures. Participate In Code Reviews, Contribute To Team Knowledge, And Mentor Junior Developers. Required Skills: Strong Proficiency In Perl Scripting And Python Programming. Experience With XML Technologies, Including XML Parsing And XSLT Transformations. Good Understanding Of Relational Database Management Systems And SQL. Excellent Problem-Solving Skills And Ability To Think Analytically. Strong Communication And Interpersonal Skills, With An Ability To Communicate Complex Concepts To Non-Technical Stakeholders. Additional Qualifications: Experience With Web Technologies (HTML, CSS, JavaScript) Is A Plus. Familiarity With Software Development Methodologies Such As Agile/Scrum. Perks And Benefits:...

I need a senior Nextjs developer to convert figma to frontend urgently.

I'm in need of a skilled freelancer to set up and install Primavera P6 EPPM 21.12 locally on Windows. This is a single user setup, with SQL database configuration included. Key Tasks: - Install Primavera P6 EPPM 21.12 on a Windows system - Complete and configure the SQL database for the software Ideal Freelancer: - Experienced with Primavera P6 EPPM installations - Proficient in SQL database setup and configuration - Understands the intricacies of Windows OS - Prompt and clear in communication

...address and make a payment. Rating page. Users will be prompted to login before accessing this. Star ratings will be filled in here, and the welcome text will have each users [first_name]. Generate a custom QR code to a rating page with pre-filled order number (unique identifier from above) Order confirmation email. With animated banner and QR code. SQL database. All data from the users, questionnaires, orders, and ratings will be stored in a postgres SQL. I have specified the database design (see below). Currently there is no API to warehouse/shipping (postage of orders are handled manually, but please set up the database with the future API integrations in mind). Manual order (in backend). Basically, I want to be able to look at the sample ratings for each sample order a...

I need a small web app that will integrate two API's to get information from a database, then display the address on the screen for the user to confirm. Once confirmed, the user will submit the request to get a unique link that expire's once it is used once. They can then have an option to copy, or share the link on their socials. Whoever picks up the link it takes them to a page where they can enter how much they will sponsor with, and then proceed to checkout and a payment API takes over. Once the payment is successful, a token is generated and displayed on screen of the sponsor, and the requestor receives an SMS or email with the token. Sponsors and requestors can have access to their history, and a sponsor can decide to sponsor a list of people in one go. Also an Ad network ...

I'm looking for an experienced Full Stack Developer who will be able to develop an existing web application that involves payment processing, coupled with database integration. The application will be tasked with creating bills for medical purposes. Key Responsibilities: * Implementation Functionality like cash register, Doku , and Patient Information * Understand problem of precision rounding in Javascript * Integrate a reliable payment processing system. * Create doku and medical bills in a secure, efficient, and user-friendly manner. Technical Skills Required: * Proficiency in PHP, JavaScript, HTML/CSS, JQuery, and Bootstrap. * Experience in payment processing and database integrations. Ideal freelancer should demonstrate previous, relevant experiences in any of t...

I need some help with coding a small iPadOS app that is only intended for internal testing/use using the SwiftUI language. The app needs all of its code reviewed (about 10 views) to make sure it is working appropriately and efficiently. I have a couple more features I would like the app to have, but don’t have the skill to incorporate them: - searching (CoreData represented in tables and lists) - filtering and sorting SwiftUI tables - generating pdf forms via a wizard or questionnaire that will ask the user for answers to specific questions for the form (e.g., placeholders in a form template: name, date, etc.) and an ability to share these generated pdfs from the share sheet - batch adding a set of reminders to a specific reminder list using EventKit (and being able to edit this li...

I'm in need of a skilled .NET developer to create a functional web application that mainly handles user registration, login, and database management. Key Requirements: - User Registration and Login: The application should have a robust system for users to sign up, log in, and manage their accounts securely. - Database Management: Proficient database management within the application is a must. This includes data storage, retrieval, and manipulation. Additional Information: - External Integrations: There is a possibility that additional integrations may be required in the future. Experience with integrating external systems and APIs would be beneficial. - User Roles and Permissions: The application may need to support multiple user roles and permissions. W...

I'm in the process of converting my existing ReactJS application to 14 and could use a seasoned consultant to guide me through the process. Here's what you should expect from this project: - **Consultation:** - I'm looking for someone who is very familiar with Next.js. Your role will be to guide me through the conversion process and answer any queries I may have. - **Primary Goal:** - The primary goal of this work is to help me translate a react code base into nextjs app (14.0) route. - **Specific Assistance:** - Though I have a good grasp of , I might need assistance in mapping react components into the app. This is an essential part of the conversion that I might need help with. Your expertise in , particularly in to mapping react components

I'm on the lookout for a specialist who brings proficiency in both ASHLAR and MIST to the table. Your main objective will be: - Create a small demo App using VB.NET to illustrate implementation of both Ashlar and Microscopy Image Stitching Tool. You're free to employ placeholder images or your own sample images. It's essential that you're adept at using ASHLAR and MIST for seamless task execution. Your bid should evidence your understanding and experience in these software along with VB.NET. Ready to use explanation are available on various sites : Purpose is to understand and learn these two techniques, in VB.NET. It is quite possible that we may find an expert of ASHLAR, but they may not know VB.Net. ASHLAR and MIST are both in JAVA... I will accept if some ...

I'm looking for a seasoned mobile app developer to create a mobile chat application similar to WhatsApp, Telegram, and WeChat. The application should be available on both iOS and Android platforms. Key Features: - The app should incorporate end-to-end encryption to ensure all conversations are private and secure. - Group chat functionality is essential for collaborations and discussions. - Voice and video calling features need to be included to enable real-time communication. Visual Aesthetics: - The design of the app should be professional and corporate. It must project a sense of reliability and effectiveness at every touch point. Ideal Skills and Experience: - Experience in creating messaging applications or similar projects. - Solid IOS and Android development ex...

...my SQL codes with the triggers to life with a well-designed Apex Oracle application. The app is expected to have the following features: - Implementing data entry forms that are intuitive and user-friendly. - Developing robust data analysis reports that provide valuable insights in an easy-to-understand format. - Setting up a comprehensive user authentication and security system. - Creating a visual design that aligns with my company's corporate branding while also being colorful and vibrant. - Ensuring the application is responsive and works seamlessly on both desktop and mobile devices. - Implementing an efficient navigation and information architecture to enhance user experience. The ideal candidate for this project should have: - Extensive experience wit...

I'm in need of a skilled web developer highly experienced in both Angular and Javascript. The primary objective for this project is to create a website with a responsive design that aligns with my provided brand guidelines. Key Qualifications: - Proficient in Angular an...The primary objective for this project is to create a website with a responsive design that aligns with my provided brand guidelines. Key Qualifications: - Proficient in Angular and Javascript - Extensive experience in responsive design - Extensive experience in .Net Core and SQL Responsibilities: - Adhere to design and branding guidelines during web development - Create a website that is user-friendly on all devices. Please ensure to provide examples of past work with responsive web design during yo...

Hello We are seeking a skilled freelancer to assist with the upload and management of our app on the Google Play Console. The ideal candidate will have experience with app deployment processes, **Responsibilities:** - Upload APKs and manage app versions on the Google Play Console. - Optimize app store listing with compelling descriptions, graphics, and keywords. - Monitor app performance metrics and implement strategies to improve visibility and user engagement. - Ensure compliance with Google Play policies and guidelines. **Requirements:** - Proven experience with app deployment on the Google Play Console. - Familiarity with app store optimization (ASO) techniques. - Strong attention to detail and ability to adhere to deadlines. - Excellent communication skills and ability to work i...

...applications, with the aim to identify and eradicate any potential vulnerabilities. Key Tasks: - Perform Open Source Intelligence (OSINT) - Port scanning - Man-in-the-middle (MiTM) attack simulation - Focus intensively on injection attacks (SQL, XSS) - Authentication and session management puncturing - Cross-Site Scripting (XSS) evaluation The ideal freelancer will have: - Strong experience in cybersecurity and penetration testing - Excellent knowledge and experience with Linux-based systems - Proven experience in web application security testing - Firm understanding of SQL, XSS and authentication vulnerabilities Your final deliverable will be a complete penetration testing report, detailing vulnerabilities found, their potential impact, and recommended remediati...

I'm in need of an experienced Python developer to assist with the development of critical web security tools. While specific tools aren't outlined below - Subdomain Enumeration: Subdomains to be listed and categorized. - Directory Enumeration - Sensitive Parameter Detection - XSS Testing - SQL Testing

I'm seeking a skilled digital marketer to expand the reach and usage of my application, which is currently compatible with Android. Key Responsibilities: - Develop and implement strategies to increase user downloads and optimize retention rates - Drive lead generation and conversions within the target audience Key Requirements: - Proven track record in digital marketing, with a focus on mobile applications - Strong understanding of user acquisition and retention strategies - Proficient in analyzing market trends and implementing effective marketing campaigns - Experience with application promotion and growth on the Android platform - Familiarity with Teenagers, Young adults, and Parents' preferences and online behavior Please provide examples of previous work in ...

My need is for an experienced Web Application Developer who can build an application with multi-level functionality. Key Capabilities: - User registration and login system - Seamless payment processing capability - Provision of real-time notifications - Job posting and applications management - A search functionality using robust keywords and filters This application targets both individual users and businesses, thus requiring an understanding of user-centric design and excellent UI/UX skills. Job Posting and Applications: - Facilitate users' CV/Resume uploads - Incorporate job criteria matching capabilities - In-platform applications processing I am favoring bids from freelancers with prior experience in similar projects and a robust portfolio to show. A...

...already converted 50-60% to ) and also transfering our .NET to .NET CORE and our MS SQL to PostgreSQL Details of our current project STACK can be seen here -> Prerequisites: For this optimization task you can bid your normal hourly rate but for the long term project the starting wage will be as stated below. 1) Accept initial hourly rate of U$5.00 2) Accept and start work immediatly 3) Have 20+ hours a week for long term ongoing support and development. 4) If you are awarded the project accept IMMEDIATELY 5) Work hours: predominantly 20:00 to 03:00 (UTC -3 Brazil TIME) 6) Be available to work on weekends. Our projects use: GITLAB -> , ag-grid, C#, .NET API, MS SQL 2017 , WooCommerce digital product sales This is for ongoing long term development and

I'm in need of a skilled Java developer to create a Java application for my project. Key Requirements: - The application should be designed for efficient data processing. Additional Details: - The application doesn't need to interact with any other systems or APIs.

I am in search of an experienced app developer capable of creating a mobile application that focuses on enhancing children's mental math abilities. This project is specifically targeted for children aged 5 to 16 years old. The application should be compatible with both iOS and Android devices. Key Requirements: - The app should cover a range of mental math skills, including but not limited to Addition, Subtraction, Multiplication, and Division. The app should be engaging and interactive, making learning fun for children. - The target age group is crucial to consider when designing the user interface and experience. The app should be intuitive, easy to navigate, and visually appealing for children between the ages of 5 to 16. Key Features: - Get kids to do short mental ...

...not receive any pre-existing design templates such as Figma, but you may refer to a competitor's website for inspiration. The goal is to build a platform that efficiently categorizes Telegram channels and groups by country and category, facilitating easy navigation. This website will be developed using React, Node.js, and PostgreSQL. It must be fast, secure against common web threats including SQL injections, Cross-Site Scripting, and IDOR's. It should also be optimized for search engines to achieve high visibility online. Key Features of the Website: * Channel and Group Organization: Separate listings for channels and groups, categorized by countries and specific categories. * Search Functionality: Advanced search options allowing users to find channels and groups...

I'm in need of an experienced Python developer to assist with the development of critical web security tools. While specific tools aren't outlined below - Subdomain Enumeration: Subdomains to be listed and categorized. - Directory Enumeration - Sensitive Parameter Detection - XSS Testing - SQL Testing

I'm in need of a Spark Developer who has a good, intermediate level competence in Scala. Your primary task will include: - Processing and analyzing structured data similar to SQL databases. Given the nature of this project, prior experience with data processing and working with SQL databases would be a huge advantage. While performing machine learning algorithm implementation or real-time data streaming isn't explicitly required, any exposure to these areas would be beneficial.

I'm looking for a skilled ASP .NET web developer to work on a small project. Key requirements: - Fullstack development: The project involves both front-end and back-end development. The ideal candidate should be proficient in C# and ASP .NET. - Database Integration: The project will be using SQL Server, so experience with this database type is needed. Skills required: - Proficiency in C#, ASP .NET, and SQL Server - Experience in fullstack web development - Strong understanding of database integration and management Your role will be to take the project from concept to completion, ensuring that all elements are well-integrated and functioning smoothly. If you are a reliable, detail-oriented developer with a strong track record in ASP .NET web projects, I'd love to...

...of a secure iPhone application designed to assist users in organizing their financial life. The application allows users to allocate a specific amount of money, which is then distributed on a daily basis. The application charges a 4% fee for facilitating these transactions. This white paper provides an in-depth understanding of the application's architecture, functionality, and its potential impact on the community. It also highlights the importance of security measures to protect user data and ensure the integrity of financial transactions. 1. Introduction: The purpose of this white paper is to introduce a secure iPhone application that aims to empower users in managing their financial life. By providing a platform for organizing and distributing fu...

I'm in need of an IT specialist with a strong background in software development. The project aim is to develop an Android mobile application. Expected Skills: - Expertise in Android development - Proficient in Java and Kotlin - Strong understanding of Android SDK - Familiarity with RESTful APIs to connect Android applications to back-end services - Understanding of Google’s Android design principles and interface guidelines. Prospective freelancers should have a portfolio of previous experience developing mobile applications, specifically Android-based. The ability to effectively communicate the progress and potential issues is vital. Propose your plan of action to express your understanding of the project.

Hi Ahmed, Thanks for this opportunity. I am glad to connect with you and will try our best to deliver you a robust solution for eLearning product. We can provide you these features in Mobile Application: 1. Login/Signup using Mobile OTP 2. Landing page with courses and categories 3. Video Classes 4. Live Classes 5. Chat in Live Class 6. Mock Test Series 7. PDF & Notes 8. Offline Downloading 9. Payment Gateway Integration 10. Coupons 11. Challenge Module 12. ePapers 13. Student Community Deliverables: 1. Android and iOS Application 2. Super Admin Panel to manage the product 3. Technical Consultancy for all components required to successfully launch this product 4. App publishing and deployment Total Cost: USD 4000 Milestones: 1. Design and Planning Phase: 750 USD ...

I'm in need of a devoted assistant to handle job applications on my behalf. This is a full-time responsibility that encompasses identifying and applying for jobs in the US market within the Information Technology sector. Your tasks will not be limited to applying only but will include: Key Responsibilities: - Applying jobs in , , - Tracking and initiating applications via online job portals - Scheduling interviews - Apply jobs with provided resumes Skills and Knowledge: - Proficient with online job search tools - Strong written communication skills This is a result-driven role, and the selection of the right candidate will be on the basis of efficiency and the aptitude to get me the maximum number of interviews. Appreciate your time and look forward to working together. Competiti...

I am looking for a seasoned web application developer to build a dynamic time registration/working day application from my project requirements and sketches. Key Application Functionalities: - Clock in/out: Users should be able to clock in and out, accurately logging their working hours. - Timesheet Generation: The application should automatically generate comprehensive timesheets. - Leave Requests Management: Users should be able to manage their leave requests seamlessly. - User Management: Including user registration, login, roles and permissions, and user profile management. User Management Features: - User Registration & Login: Ensure robust user registration and login functionality. This should be based on email and should also include a 'forgot...

I'm looking for a proficient SQL professional with notable expertise in SQL Server 2019. Key tasks will involve: - Query optimization - Database design - Data migration The ideal candidate should have a solid understanding of SQL Server tools and a proven track record in handling similar projects. Your previous experience and knowledge of SQL Server 2019 will be pivotal in this role. Your task will be primarily centered around maximizing the efficiency and effectiveness of the SQL Server. Preference will be given to professionals with certifications in SQL Server 2019 or related fields. Solid written and verbal communication skills are desirable.

...wounds for medical documentation and analysis. The ideal candidate for this project should have: - Extensive experience in developing EMR systems, particularly in the field of healthcare. - Proficiency in iOS application development. - A strong understanding of cloud-based data storage systems and their security implications. - Familiarity with the unique requirements of wound care providers concerning patient data and treatment documentation. Building an EMR system for wound care providers to operate within patient homes involves several key features: - Mobile device (iPhone/iPad) capability for image capture and AI measurement analysis. - Tools for quick care assessment documentation, including reviews, physical exams, wound care procedures, and supply orders. - Integ...

A new type of Browser for a Start Up which tries to be in the Islamic matters. Our goal is to give the ummah the best safety in matters of Halal/Haram confrontation.

...understand and implement complex backend features in my apps. - Firebase rules: A good understanding of how to set secure and efficient rules in Firebase is essential. - State management: I need to understand advanced state management techniques in FlutterFlow. - Data handling: I need to learn how to efficiently handle data within my applications and understand the best practices. I am a veteran PHP SQL developer and I find it difficult to wrap my mind around nosql and mobile app development in general. I am looking for: - An individual with advanced knowledge and experience in FlutterFlow. - Someone who can teach effectively in a one-on-one setting. - A patient mentor who can break down complex ideas into easily digestible concepts. - IMPORTANT: we need to understand each othe...

I need an attorney to create legal documents such as privacy policy, terms of use, and more if necessary for a dating app like Tinder. I am trying to launch in the US. The project is for business use, and please show me previous works working with privacy policies, terms of use, and more if you have done these before. You can benchmark documents that are doing similar service as my app (ie Tinder), but since our app has different capacities and functionalities, you might have to know how my app works to write comprehensive documents, I want this to be done ASAP.

I'm looking to develop a remote desktop application that is usable on both Windows and Mac systems. The main features I require are screen sharing, file transfer, and remote control capabilities. Key Features: - Screen Sharing: This feature will allow users to share their screen with others, enabling real-time collaboration and communication. - File Transfer: A secure and efficient file transfer functionality is essential for this application. Users should be able to seamlessly exchange files between connected devices. - Remote Control: The application must provide a user-friendly remote control mechanism, allowing users to take control of a remote computer and perform tasks as if they were sitting in front of it. The application should be robust enough ...

I'm in search of a seasoned JavaScript developer to handle the design and implementation of a graphical user interface (GUI) application. The focus of this project is predominantly on facilitating seamless user interaction. Key Responsibilities: - Use JavaScript to develop the principal application logic - Create an intuitive and engaging graphical user interface Ideal Candidate: - Has extensive experience with JavaScript - Can demonstrate prior experience or projects working on user-centered design and interface - Understands the nuances of GUI application development. If you comprehend the balance between aesthetics and functionality, and are capable of creating high-performing applications, then I'm eager to work with you. Looking forward to rece...

Buscamos incorporar especialista programador .net freelance con conocimientos en: c# .net, asp, sql server se valorará experiencia en: integraciones api, en back-end y front-end. Trabajo principalmente en remoto, para colaboración continuada en desarrollos propios de nuestra empresa, con un mínimo de 40 horas mensuales.

The goal is to create a mobile application (ios, android, web) for events management. It will be necessary to develop 4 applications: • Mobile application (users) • Back-end Admin • Back-end Organizer • Ticket scanner

I'm in the process of developing an application for the Android platform. Specific details about the type of app and its exact functionalities are yet to be determined. However, I'm actively seeking a skilled and experienced app developer who has a track record of successfully releasing apps on the Play market. Key Responsibilities: - Collaborate to define app features - Develop high-quality, readable, and testable code - Release final product on Google Play market Ideal Skills and Experience: - Prior experience in Android app development - Knowledge of Android SDK, different versions of Android, and how to manage different screen sizes - Experience with releasing apps on Google Play - Strong communication and collaboration skills.

I'm immersed in creating a Desktop Application on Visual Studio, utilizing C# as the fundamental programming language. I'm currently in need of: - Coding assistance. This task would involve closely working with my existing line of code, offering necessary improvements and additions to elevate the functioning of my desktop application. If you're highly proficient in C#, and hands-on experience in handling Desktop Applications within Visual Studio, you'd be an ideal match for this project. Moreover, excellent problem-solving abilities would be a significant advantageous point for a fruitful collaboration. Hence looking forward to working with an individual having robust expertise in C# and desktop application development.