Create fillable applications online jobs

I'm in need of a skilled Python/Java developer who can help me build a f...(P&L, Balance Sheet, Cash Flow) and graphs to show the financial status. - **Technology Stack:** I require the project to be developed using Python/Java as the primary programming language. - **Database:** The application should be built using MongoDB for its databases. Ideal candidates should have: - Proficiency in Python/Java and MongoDB. - Experience in developing accounting or financial applications that include graphs for financial reports. - A solid understanding of front-end technologies for a full-stack role. - Strong communication skills and the ability to work closely with me to ensure the project meets my needs. I have beginner programming knowledge and I will help with the development ...

I'm looking for an expert developer with strong blockchain (Ethereum and Bitcoin) and frontend (React) skills to help me with a project. Key Aspects: - Blockchain: Prior expe...functionalities such as NFT, token, smart contracts, minting, and staking. Previous experience with these features is highly desirable. Skills & Experience: - Proficiency in Ethereum and Bitcoin blockchain development. - Strong experience with React frontend. - Prior projects involving NFTs, tokens, smart contracts, minting, and staking. - Excellent understanding of blockchain technology and its applications. - Ability to work independently and deliver high-quality code. Please only apply if you have the necessary skills and experience. This project is time-sensitive, so prompt and professional d...

I'm a beginner in Ableton ...range of synthesizers. - Familiarity with Boss RC-202: Knowledge of the Boss RC-202 loop station is a must, as I'd like to incorporate it into my production process. Your Responsibilities: - Assisting me in understanding Ableton Live from the basics to more advanced functions. - Teaching me how to use Arturia synthesizers effectively. - Tutoring me on the functionalities and creative applications of the Boss RC-202 loop station. Ideal Skills: - Proven track record of tutoring music production (optional) - Strong command over Ableton Live, Arturia synthesizers, and other DAW programs and Boss RC-202. - Good understanding of electronic and ambient music production. Please bid with your hourly rate, and an outline of how you'...

...system on my Sharepoint Online intranet site. The system needs to handle approvals across a variety of different request types. Key requirements include: - Accessibility: The system should be accessible both from desktop and mobile devices. Ensuring a user-friendly experience across platforms is crucial. - Approval Types: The system needs to manage approvals for document submissions, leave requests, and expense reports. Each type of request should be clearly identifiable within the system. - Automated Triggers: It's essential that the approval process is triggered automatically. For example, once a document is submitted, the relevant approvers should receive a notification to review it. Ideal skills for this project would include: - Proficiency in Sharepoint Online...

I'm looking for an expert developer with strong blockchain (Ethereum and Bitcoin) and frontend (React) skills to help me with a project. Key Aspects: - Blockchain: Prior expe...functionalities such as NFT, token, smart contracts, minting, and staking. Previous experience with these features is highly desirable. Skills & Experience: - Proficiency in Ethereum and Bitcoin blockchain development. - Strong experience with React frontend. - Prior projects involving NFTs, tokens, smart contracts, minting, and staking. - Excellent understanding of blockchain technology and its applications. - Ability to work independently and deliver high-quality code. Please only apply if you have the necessary skills and experience. This project is time-sensitive, so prompt and professional d...

...excellent communication abilities, and a keen eye for detail are essential for success in this role. Responsibilities: In-depth research on global development, focusing on the trends and dynamics in the international affairs, especially the event in Indo-Pacific region keep track of international hot issues, and have unique opinions and convincing evidence Integrate data from various sources to create clear and actionable reports, supporting decision-making processes Stay informed about international current affairs and contribute to the development of organizational strategies Provide targeted insights and recommendations for specific projects based on the analysis of international events Qualifications: Bachelor's or Master's degree in International Relations, I...

I'm in need of an original Scheme language interpreter tailored specifically for Windows. This tool is to be primarily used for educational purposes, hence it should be user-friendly and efficient. A command line interface is sufficient for this tool. Must be written using python. Please include small simple technical report and simple design...interpreter tailored specifically for Windows. This tool is to be primarily used for educational purposes, hence it should be user-friendly and efficient. A command line interface is sufficient for this tool. Must be written using python. Please include small simple technical report and simple design schematic. Ideal Skills: - Proficiency in Scheme language - Experience in developing Windows applications - Understanding of educational ...

I require an expert in both C# and AWS to build a AWS Lambda function using .Net Core. The function should create a simple message in the SQS queue. The deliverables should include: 1. AWS Lambda Function: The AWS Lambda function should be capable of both Asynchronous processing and Dead letter queue. It should be written in C#. 2. Serverless Template: A serverless template is required that will be used by our gitlab pipeline to create the queue on AWS account. This template should be comprehensive yet efficient. 3. Gitlab YAML: Lastly, a gitlab yaml will be needed to facilitate the Lambda's deployment. Ideal Experience: - Highly skilled in C# programming - Extensive experience using AWS services - Familiarity with serverless templates - Understanding of Gitlab YAML f...

I'm needing an expert to craft a modern, high-impact CV for my job applications within the technology industry. This CV must not only highlight my experience and skills, but also stand out in a competitive tech marketplace. Ideal skills and experience for this job include: • Proven experience in professional CV writing, specifically in the tech industry • Excellent command over the English language • Keep updated knowledge of modern CV formats and trends • Ability to reflect a comprehensive understanding of the tech job market and requirements • Ability to communicate effectively to understand my professional background and targets The resulting CV should be polished, professional and modern. It should clearly communicate my value proposition to pot...

I am seeking a skilled developer to help me deploy the Ridy app with my brand. The purpose of this project is to create a customized ride-sharing app that specifically caters to my brand and its unique offerings. Key Customization Features: - Brand logo and color scheme integration: Ensure that the app's design seamlessly incorporates my brand's visual identity. - Custom payment gateway integration: Implement a secure and reliable payment system that aligns with my brand's preferences and requirements. - Language and region-specific modifications: Adapt the app's interface and functionalities to suit the target audience and regions my brand operates in. - Subscription plan monthly for drivers Platforms for Deployment: - The branded Ridy app should be deployed ...

Insert a log box ti report errors or exceptions in a Unity APP

...elements like fillable text fields, clickable links, and checkboxes for task completion. The interactive elements should be well-integrated and intuitive, enhancing the reader's experience. The ideal freelancer for this project should: - Have a proven background in graphic design, with a specific focus on designing e-books or similar content. - Be proficient in using Canva, with a portfolio that showcases a thorough understanding of its capabilities and limitations. - Have experience designing for an educational or medical audience, and an understanding of effective visual communication in these contexts. - Be able to balance creativity with a user-friendly design that encourages student engagement. If you're confident in your ability to meet these requirements and ...

I have already designed the UI and now we are moving to the layouts code, front end and prototype of my crypto Wallet and NGO app I am seeking an experienced freelancer capable o...Android users. - Functionalities: The app should be able to track cryptocurrency prices, store various types of cryptocurrencies, and incorporate security features such as two-factor authentication. - Cryptocurrency Support: The app should particularly be able to support BSC (Binance Smart Chain) cryptocurrency. Ideal candidate would have experience in Android development, cryptocurrency applications, and a strong understanding of security features in app design. Thorough knowledge of BSC (Binance Smart Chain) would be highly appreciated. Please include examples of similar projects you've complet...

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. While this is currentl...

I'm looking to develop a mobile application that provides book summaries in audio formats. This is a mu...application that provides book summaries in audio formats. This is a multilingual project, with a focus on English content. Key Features: - Offers book summaries in both audio and text formats Given that I've selected both iOS and Android as the platforms for the app, I need a professional who is proficient in developing for both platforms.. Experience in integrating audio content into mobile applications is a plus, as it is an integral part of the app's functionality. I'd like to explore the opportunity of including a large variety of books in the application, making it a comprehensive resource for book lovers. Please get in touch if you have the skills...

I am seeking to develop a mobile application devoted to providing emotional support and advice. Named 'Intuitive Listener', the application should se...Allow users to share personal experiences anonymously - Infuse advice and guidance offerings - Ensure security and confidentiality Ideal Skills and Experience: - Experience in developing mobile applications with user-friendly interfaces - Knowledge in data security to ensure user's information confidentiality - Understanding of mental health and providing empathetic solutions. - Counseling experiences in 1 year. - Master of Psychology graduated. - Bilingual speakers (English US - Indonesian). This app should cater to a general audience irrespective of their age group. The main goal is to create a secure a...

I'm seeking an experienced app developer to construct an application that runs smoothly on both TV platforms and cell phones. Key Objectives: - User Account Creation: This app must support user account crea...Minimalistic Design: The desired aesthetic for this app is minimalistic - clean, simple, and intuitive. Skills & Experience: - Flair for minimalistic design elements - Proficiency in coding for both TV platforms and mobile devices - Strong understanding of User Interface (UI) for optimum user account personalization. This project requires a developer with a knack for creating user-friendly applications that capture a minimalistic design style and serve multi-platform utility. Successful completion of this project will contribute to a product optimizing personalize...

Modify a built in theme

Customize a built theme with demo content

I am seeking a creative and innovative logo designer who can bring my vision to life. Specific preferences have not been established, thus this role is ideal for t...designer who can bring my vision to life. Specific preferences have not been established, thus this role is ideal for those who appreciate freedom to explore their creative boundaries. Skills and Experience: - Familiarity with designing in multiple styles, including Modern, Classic and Minimalist imageries. - Ability to choose and incorporate well-suited color palettes. - Experience with different applications of logo such as Website, Social media, and Business cards. The goal is to establish a logo that represents the brand and can be effectively used across various platforms. I look forward to seeing your creative ...

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...

I'm in search of a tech-savvy Sales Executive with 3-5 years of experience, who can help me expand my customer base. Job...letter detailing their relevant experience, and why they are a good fit for the position. Please include any relevant sales achievements or successes, particularly in the IT industry. Shortlisted candidates will be contacted for an interview. Equal Opportunity Employer: IT & HealthCare Pro is an equal opportunity employer and is committed to creating a diverse and inclusive workplace. We welcome applications from all qualified individuals regardless of race, ethnicity, gender, sexual orientation, disability, location or age I'm looking for someone who can hit the ground running and take our sales to the next level. If you have what it takes, I&...

I'm in need of a skilled Java developer to create a desktop application with a modern and sleek user interface for the Windows operating system. The application will be to develop and maintain trading applications. - User authentication: The app should have a secure and user-friendly authentication system that allows users to log in and access the application's features. - File management: The app should provide users with the ability to manage files and folders in an intuitive and efficient manner. - Data visualization: The application should also include interactive and visually appealing data visualization features that enable users to analyze and interpret data effectively. The developer should have strong experience in Java programming and desktop applicati...

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 p...Excellent communication skills and ability to work independently. **How to Apply:** If you have the necessary skills and experience to successfully manage our app on the Google Play Console, please submit your proposal detailing your relevant experience, along with any portfolio or references showcasing your previous work in app deployment and management. We look forward to reviewing your applications...

SUMMARY OF PROJECT: The purpose of this project is to allow multiple users to complete a daily spreadsheet (split into 3 tabs). All users will share and complete the same spreadsheet daily. I have attached the following, please review before you bid: - SPREADSHEET SYSTEM - BRIEF V1.0, PHASE 1 - SPREADSHEET SYSTEM - FLOW CHART - SPREADSHEET TEMPLATE

As security conscious organization, we're hiring a cybersecurity expert for a comprehensive penetration testing on our Linux-based system. Emphasis lies primarily on our web-based 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 v...

I need a full stack developer proficient in JavaScript to work on an existing web application. Key Responsibilities and Experience: - Expertise in web development - Proficient in JavaScript - Strong experience in maintaining and enhancing existing web applications - Graphic design and content writing skills would be an added advantage It is important that the designer can provide examples of their work on similar projects. Experience working on complex web applications is highly preferred.

I have a project that requires entry of text data from online sources or databases into an online database. The ideal freelancer for this job should be proficient in data entry and have good attention to detail. Key Requirements: - Input text data from online sources or databases into an online database. - Ensure accuracy and error-free data entry. - Maintain data confidentiality and security protocols. Ideal Skills: - Proficient in data entry, particularly text data. - Strong attention to detail. - Familiarity with online database systems. - Ability to maintain data security and confidentiality.

I'm seeking an accomplished UX/UI designer to create engaging and user-friendly interfaces for a health tracking app. The project demands proficiency in designing for both iOS and Android devices, considering the app’s target user base falling within the age range 18 - 60. Key Features: - User registration and login - Data input and tracking - Reminder notifications - Family member tracking - Graphical representation of data - Integration with wearable devices - Health tips and recommendations - Social sharing - Capability to create multiple user profiles (self and family members) The ideal candidate will have a strong understanding of intuitive design patterns, and experience in implementing such features into mobile applications, preferabl...

I am in need of a skilled data entry professional to assist me with the intricate task of filling out online forms. These forms require meticulous attention and thoughtful precision, with specifics instructions only on a basic level. Proficiency in deciphering and executing complex tasks with limited guidelines will be key to this role. Skills & Experience: - Exceptional attention to detail - Proven experience in complex data entry tasks - Ability to follow minimal instructions and use initiative - Strong problem-solving abilities. Please note, this is a challenging task that requires both technical ability and sound judgment. An innovative and flexible approach would be advantageous.

**Your Bidding Amount is Final. No change allowed later**##Please read the attached file for details## I have an existing Online Stamp Inventory for Postal Stamp Collectors in my site. It is made in CakePHP. I need to add some features to it and repair current feature. I want to add Export feature, improve search feature and add the feature of uploading images/document, repair Year field, URL field etc, make the current captcha and email verification system better. Might add some new form fields. Further, I want to dedicate one user as Admin. Admin gets all features like common users. Only difference is Admin can see user details like their username, email ID and registration date and can export it. No seperate Admin panel needed. See the site:

I'm in desperate need of a seasoned writer to help with my online work. This might include different kinds of writings but preference will be given to a jack of all trades. Let's break it down: • Required Skill: Expertise in a broad range of writing styles is a plus. As the specific style of writing needed was not specified, the ideal candidate should be able to switch from one style to another effortlessly. • Purpose of Writing: The writing should be able to fill up free time. This suggests that the content must be highly engaging and captivating for readers to keep coming back. Therefore, the ability to create such content is paramount. In conclusion, an experienced versatile writer, who has a knack for producing entertaining content, will be an ideal...

I'm in need of a skilled designer who can create a captivating and enchanting logo for a cafe called "Skogsrået." The logo should embody a witchy, foresty aesthetic while alluding to the wonders of nature. **Key Aspects of the Design:** - Trees, Moon, Stars: Incorporating these elements subtly into the design would be ideal. - Color Palette: The colors I'm envisioning are purples, blues, greens, and earthy tones. These colors should blend seamlessly and evoke a sense of enchantment and mystery. - Font Style: I'm looking for a whimsical font style that complements the theme of the logo. It should be elegant yet playful. **Intended Usage:** - Website: The logo will be used on the website, so it should be versatile and look great in digital format. - ...

I'm urgently seeking a talented MERN full stack developer ...tackle performance and optimization issues, which have been affecting the application's efficiency. Ideal skills and experience for this job include: - Proficiency in React, as this is the primary technology involved in this update - Strong experience with Node.js and , which are essential components of the MERN stack - Prior experience with performance and optimization issues in web applications, to ensure an efficient resolution - Ability to work quickly and efficiently due to the urgent nature of the project - Excellent problem-solving skills, as the issues may be complex The successful candidate will be able to make an immediate impact by resolving performance and optimization issues in the existing web ap...

I'm seeking a creative graphic designer to create a simple, yet attractive logo for a homestay business named "Mystery Garden". This logo will have multiple applications, including our website, printed materials, and merchandise like t-shirts and caps. Key Requirements: • Design style: Embrace a modern design approach to create a unique, eye-catching logo. • Elements: While there is flexibility with the elements incorporated, they should support the idea of a 'Mysterious Garden' homestay, making it catchy and distinctive. • Colors: I lean towards purple and green but open to other suggestions if they add to the appeal of the design. Ideal Skills: • Expertise in modern logo design • Experience with branding across mul...

I'm in need of a seasoned developer to build an OS/Android a...application that's applicable to mobile devices, tablets and company laptops. The main aim of the app is to facilitate the shift from manual logbook entries to a digital interface. Key Features: - Digital logbook functionality to create, view, edit and sort entries - User authentication and authorization capabilities - Data synchronization with cloud storage for easy access and backup purposes Your expertise in software development with proficiency in user interface design and cloud synchronization is necessary for this project. Prior experience in creating logbook applications or related software platforms will definitely be a plus. Be prepared to show relevant examples of your work and explain how t...

NOTE: AUTO GENERATED APPLICATIONS WILL BE DELETED! Looking for someone well experienced in pitch decks to help us create a sponsorship proposal. I am searching for someone that can help me create a Sponsorship Pitch Deck for an event that I have in New York City. We are targeting sponsorships from:
 -Liquor brands -Restaurant (food) Chains and Local Restaurants -Speaker companies The event is an outdoor party. The crowd is made up of around 100-150 young black professionals, socialites, influencers, & content creators. All are between 25-40 years old. If we can secure financial sponsorships that is great. If not, then in-kind sponsorships/product donations are okay. You must understand what brands want to see & what information to highlight to peak thei...

I need the redesign of 5 banners and few icons for a mobile application. The ideal candidate for this project should have: - Proven experience in graphic design, especially for mobile applications. - A strong portfolio that demonstrates your skill in creating colorful and effective designs. - Understanding of user-friendly design, particularly for navigation elements. Looking forward to your creative input on this project.

I am in need of a skilled software developer with superior expertise in Android mobile app development. The operating system I am interested in is Android and the software to be developed is a mobile application. However, the main function of the mobile app is yet to be defined, but this shall be ...operating system I am interested in is Android and the software to be developed is a mobile application. However, the main function of the mobile app is yet to be defined, but this shall be communicated clearly once a freelancer is selected. Ideal Skills: - Android Development - Java - Kotlin - UX/UI Design Experience: - Proven experience in mobile app development - Portfolio of released applications on the App store or the Android market - Solid experience in mobile app development l...

I'm seeking a skilled digital marketer to expand the reach and usage of my application, which is currently compatible wi...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 this area, and explain how you pla...

I need a flutter developer to create an app that is compatible with both Android and iOS. The app will require user authentication and user profiles. Key Requirements: - Flutter Development: Proficient in Flutter with experience in mobile app development. - Cross-Platform: Ability to create applications that work seamlessly on both Android and iOS devices. - User Authentication: Skilled in implementing user authentication and user profile features. - Camera integration - payment gateway - rest api integration Looking for someone who can deliver high-quality, user-friendly, and secure mobile applications.

I'm currently seeking a skilled freelancer for a data entry job concerning primarily text data. The data to be entered will be provided in an Excel spreadsheet and will need to be accurately transferred to an online database. Ideal candidates should have: - Proficiency in Microsoft Excel - Experience with data entry into online databases - Attention to detail and accuracy Please place your bid based on the information provided, and get ready to embark on an engaging and fulfilling data entry task.

...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. An understanding of payment gateway integration is a plus....

I have an Android application which needs to be thoroughly tested for its user interface and navigation on smartphones. Key Points: - Your primary task will be...task will be to navigate through the application and assess its user interface for issues like glitches, inconsistencies, and ease of use. - The testing process should be very detailed to ensure every single feature and screen is checked for optimal user experience. Ideal Freelancer: - Experience in manual testing of Android applications - Proficiency in evaluating user interfaces and navigation - Thorough and detail-oriented approach to testing - Ability to create clear and concise bug reports You must have a keen eye for detail, a strong knowledge of Android apps, and be able to provide detailed reports on ...

More details: What specific features would you like the personalized sock 3D design program to have? Customizable sock templates, Option to upload own designs, Realistic 3D preview What platform(s) should the personalized sock 3D design program be compatible with? Mobile devices, Desktop applications What level of user customization do you envision for the sock designs? Color customization, Pattern customization, Text customization

...innovation. Requirements: Company Name: The logo must prominently feature the company name "NH Parts." Design Elements: Incorporate elements that represent motorsports and precision engineering. Consider using gears, racing flags, motocross parts, or any other relevant symbols. Simplicity: The logo should be clean, simple, and easily recognisable but yet modern. It should be suitable for various applications, including as a 3D keychain. Color Scheme: While we are open to creative suggestions, preferential colours include shades of black, orange, and silver. However, feel free to experiment with other colour combinations that complement the theme. Compatibility: Ensure the design is scalable and versatile, suitable for use across various mediums including digital p...

I need a flutter developer to create an app that is compatible with both Android and iOS. The app will require user authentication and user profiles. Key Requirements: - Flutter Development: Proficient in Flutter with experience in mobile app development. - Cross-Platform: Ability to create applications that work seamlessly on both Android and iOS devices. - User Authentication: Skilled in implementing user authentication and user profile features. - payment gateway - rest api integration Looking for someone who can deliver high-quality, user-friendly, and secure mobile applications.

I'm in need of a 3D designer specializing in product designs. The task involves creating small and simple 3D models, suitable for different applications. Though the intended use of these designs is unspecified, the final output should be of a quality that could be used in marketing materials, manufacturing, or for prototype testing. Key requirements: - Expertise in 3D modeling and designing. Prior experience with product design is a plus. - Ability to create small and simple 3D models efficiently. - Strong understanding of design principles and aesthetics.

SUMMARY OF PROJECT: The purpose of this project is to allow multiple users to complete a daily spreadsheet (split into 3 tabs). All users will share and complete the same spreadsheet daily. I have attached the following, please review before you bid: - SPREADSHEET SYSTEM - BRIEF V1.0, PHASE 1 - SPREADSHEET SYSTEM - FLOW CHART - SPREADSHEET TEMPLATE

...Developing server-side applications - Implementing real-time functionality These tasks are vital to my project and I need a freelancer who can handle them effectively. Understanding of libraries and frameworks such as , , and are crucial for delivering high-quality work. Although I did not specify any third-party services to be familiar with, having a broad knowledge of popular integrations would be a plus. So, if you're a Node JS developer who can create robust APIs, build server-side applications and incorporate real-time functionality, this job is for you. Skills & Experience Required: - Proficiency in , , - Advanced understanding of Node JS - Experience in creating APIs - Capable of developing server-side applications - Experience in impleme...