What is frontend and backend programmingεργασίες

I am in need of a skilled backend developer with expertise in JavaScript and specifically Node.js. The project you'll be working on is focused on building an API. Key Requirements: - Proficiency in JavaScript and Node.js - Significant experience in building APIs - Strong problem-solving skills and ability to work independently It would be a bonus if you also have experience with: - - Any other relevant backend technologies Please note that you will be working solely on the backend part of the project, so an understanding of RESTful API design principles is vital. Your responsibility will be to handle requests from the frontend, process data, and send responses back to the client. If you're a backend...

...experienced and React.js developer to join our web development project. The main goal is to integrate APIs into a pre-existing template and add specific functionalities for a multi-company business management system. The system must be capable of managing multiple companies under a single platform, allowing administrators to easily switch between companies. MAX BUDGET: $ 400 USD Responsibilities: API Integration: Connect the frontend template with our API. Implement the necessary endpoints for the required functionalities. Validate the data received from the API and manage errors efficiently. UI/UX Functionalities Implementation: Implement language and theme changes in the user interface; the template already includes this functionality but...

It is necessary solve many few bugs to a Laravel application regard the frontend of survey application., so regard the page of questions that see the user. It is necessary competences in coding Laravel. the application use php 7.4. if it is necessary you mus do changes to the database

...should deploy an RDS database, specifically MySQL, that is securely accessible from the backend and frontend servers, but not accessible from outside the VPC or internet. Instance size: , allocated storage: 100Gb. Admin user/password should be supplied as variables -- I will specify them in the command line. Also a separate user account should be created to access this database. The user should have read/write access, I will again supply the username and password via command line. - The solution should include a set of servers to run both backend and frontend services. I want to be able to make a small change in the script to scale up or down the number of servers. This servers need to run AWS Linux, Java 21, node js 12, and...

I need a coding whiz capable of handling a rigorous coding assessment on my behalf. Proficiency in Python, Java, JavaScript and NPL. I have my recorded answers already just need someone to help me make sure they are correct. The use of AI like chatgpt will not work for this. - Assignment Details: The assessment will include tasks revolving around Algorithmic Problems and Object-Oriented Programming Problems. - Ideal Candidate: A highly experienced developer with a proven track record handling similar tasks and delivering under tight deadlines. Please, only bid if you meet the above criteria and you're ready for an immediate start.

...a project that involves building a robust backend for an e-commerce platform. The primary goal of the platform is to facilitate a user-friendly, secure and efficient e-commerce experience for our customers. Key Requirements: - **Database Integration**: The backend should be integrated with MongoDB, ensuring a scalable, high-performance database system is in place. - **Development of E-commerce Platform**: The core focus of this project is to build a platform that supports a range of functions necessary for an e-commerce business; from product listings, cart management, to order processing. Your role is to implement these functionalities in a way that's user-friendly and efficient. Ideal Skills and Experience: - Prov...

...These platforms include Xero, and Sage accounting. Given these specific platforms, a freelancer with experience in working with them would be ideal. Additionally, PHP Laravel framework familiarity is essential. Requirements include: - Real-time synchronization: All data updated in any of these accounting software should reflect on my ERP system instantly. - Automatic data updates: An ability to schedule regular automated updates. - Custom Reporting: Tailored reports based on the data received from the platforms. - Error handling and Data Validation: Ensuring data is validated with robust error handling procedures. Given that I skipped indicating the specific data, your proposal should outline a solution for an All-in-One integration, that is ready to...

N... Your command over both frontend and backend development is crucial as this project primarily revolves around amplifying my existing website by introducing new features. Key Requirements: - Expertise in Laravel: Proven experience in Laravel is required to expertly navigate the task at hand. - Frontend & Backend Development: Your acumen in the said fields will be exercised extensively. - Novel Feature integration: The capacity to create and aggregate new features within an existing structure will be your major obligation. To successfully complete this project, you must be proficient in integrating new features without jeopardizing the existing functionality, ensuring a seamless transition. Your contributions will be instru...

I am seeking a skilled Python developer with expertise in troubleshooting to resolve an i...in troubleshooting to resolve an issue with an application. The main purpose of the application is data analysis, web scraping and automation. Currently, the application has been crashing or freezing right at the startup. The ideal candidate for this job should have: - Extensive experience in Python programming - A background in data analysis, automation and web scraping domains - Proven track records troubleshooting application start-up crashes or freezing - Good problem-solving skills, ability to diagnose and fix bugs efficiently. Your main task will be to identify and fix the issue causing the application to crash during the startup. This is ...

Are you passionate about crafting exceptional ecommerce platforms using GO lang and React JS/Next JS? Project Description: We are in need of an expert developer to create a dynamic ecommerce platform focusing on digital goods and services. The project entails building three main sectors: Front-end Development: Implement user authentication, service listing, and seamless communication with the backend via API. Supplier Backend: Develop functionalities for suppliers to manage products, process orders, and handle cancellations efficiently. Admin Backend: Construct a robust admin panel to oversee order processing, site settings, and overall platform management. System Overview: Showcase popular services through a sli...

...utilizing an Arduino board and camera module, along with UPC scanning software. This project involves developing a UPC scanner that can accurately read the UPC on a product. Upon scanning, the information of the scanned product such as date, time, UPC, product name and product retail should be transmitted and populated into a web application. Key Tasks: - Develop and integrate the UPC scanning software to be used with the camera attachment for the Arduino board. - Establish a Wi-Fi connection for the Arduino IoT UPC scanner to communicate with the web app. - Ensure accurate transmission and population of the scanned product information in the web application. Ideal Skills: - Proficient in Arduino programming and working with camera modu...

I'm looking...develop a real-time human movement speed detection system using Python and a dynamic vision camera. Key Requirements: - Real-time Monitoring: The system should be able to monitor and calculate the speed of human movement in real-time. - Moderate Precision: Speed calculation should be at a moderate level of precision. It's crucial that the system can accurately detect and measure the speed of human movement in a real-time scenario. Ideal Skills: - Proficiency in Python programming - Experience with real-time monitoring systems - Understanding of image processing and computer vision - Knowledge of camera systems and their integration with software Your deliverable will be a well-documented Python program that can calculat...

I'm in need of assistance with Codility assessments, specifically...should encompass: - Expertise in SQL or Python. Familiarity with both languages is advantageous. - Proficiency in algorithmic programming, capable of thinking strategically to solve intermediate-level problems. - Ability to assist in solving three different task types in Codility, including: 1. Time complexity problems 2. Sorting and searching problems 3. Counting elements problems Ideal candidates would have experience preparing or mentoring for codility assessments and a strong background in programming. Your intricate knowledge of problem-solving within the realms of algorithmic programming would be highly beneficial. A methodical approach to problem-solving a...

...looking to enhance several key areas in the iOS version for better user experience and performance. Key improvements include: - User interface enhancements: Making the app more visually appealing, intuitive, and user-friendly. This includes refining the menu navigation and restaurant listing screens. - Performance optimization: Ensuring the app is responsive and runs smoothly, eliminating any lags or delays during usage. - User registration and Sign In: Implementing a seamless, secure registration and sign in process for users. - Menu navigation: Enhancing the menu navigation to be more intuitive and interactive for users. - Restaurant Listing: Improving the restaurant listing functionality for better accessibility and us...

I'm...TradeStation platform. Key Requirements: - Proficient in C# programming language - Experience in developing trading strategies for TradeStation Trading Strategies: - Trend Following: Develop a strategy that identifies and takes advantage of market trends over time. - Mean Reversion: Implement a strategy that capitalizes on the tendency of a market to revert to its historical average. - Breakout Trading: Create a strategy that enters positions when price breaks through a significant support or resistance level. Your role will be to take these concepts and turn them into functional, efficient code that can be executed on the TradeStation platform. The successful candidate will have a strong understanding of trading principles and the ability to trans...

...fascinating true story that I believe would be perfect for all audiences, and I'm looking for professionals to help me sell it. It's very important that the story is seen as informative. Key points: - True story: The narrative is based on a real-life event, which adds an extra layer of authenticity. - Informative: Whistle blower exposing Facebook approval of online gambling ran through pages, groups, profiles. Exposes alliances with Cashapp, Paypal, Venmo as the top three transaction exchanges. Inside involvement with gambling Names, live video, payment of winnings. Bingo, Pull tabs, slots and vendors. I'm looking to collaborate with a freelancer who has a background in content sales, storytelling, and radio programming. Ex...

Look...Developing on the Android platform specifically for smartphones. - Implementing social media integration into apps, as this is a vital aspect to my project. - Adding advertising capabilities to apps. Experience with different ad formats and placement strategies would be beneficial. - Redesigning and improving upon User Interface (UI) to create an optimal user experience. In-depth knowledge of Java is crucial, as it's the preferred programming language for this project. Familiarity with in-app purchases and working in offline mode would be a bonus, although not a requirement. This role would suit someone passionate, hardworking, and up-to-date with the latest industry trends and technologies. A portfolio of previous apps ...

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...technician with a thorough understanding and hands-on experience with scientific measurement equipment. Specifically, I require a professional who can: • Revamp the current configuration for improved compatibility. • Extract maximum functionality from existing resources. Key skills and experience: • Expertise in equipment modification. • Proficient in mechatronics (electronics, electrical and mechanical). Skills that are a plus: • Software programming. • Reverse engineering. • Pneumatics. • Drawing using CAD. We encourage under-grad students from UH, Rice, etc., to apply as an Intern. Requirements: • Must work at East End (near Second Ward) area in Houston. The project timeline is immediate with the e...

I'm looking for a freelancer who can hel... Key Requirements: - The automation should trigger whenever there's a double line break in the description. - The subtask should inherit all attributes from the parent task, including Summary and parsed Description. - The parsed paragraph from the parent task should be included in the subtask. Successful freelancers should be able to: - Build JIRA automations - Be familiar with the JIRA system and the programming languages or tools that can be used for creating such automations. This includes JavaScript and any other language that JIRA supports. Your application should demonstrate your expertise and experience in this area. Please share any relevant past work or detailed project proposals that you bel...

...etc Lint has already been run on the software - I do not want to see the output of lint! This code has been tested on hardware and performs ok. It controls motors, reads switches, encoders and ADC's, and drives eeprom and digipots. I need a final check to capture any errors or issues that may not be known. I do NOT want any style or general commenting recommendations - the review is ONLY TO IDENTIFY serious issues. I do not want speedup suggestions. This is close to production so any changes *need to be necessary* to improve the quality of the code. Skills and experience required: - Proficiency in C++ programming. - Experience in code review, This 1st project is for approx. 5000 lines of code. If successful then ...

Change the payment gateway "cryptomus" to stripe. After that. Compile the code to obtain the apk version and an .aab version that will be used in the Google Play Store. In turn, upload the updated code to the app server. Send me the updated source code as well. The app is made on react Native, and the backend is Python. All the API's are made on Python.

I'm looking for a professional who can help me create HackerRank for three algorithmic tasks to be completed within 90 minutes The ideal candidate should: - Be proficient in Python and Java, with a strong understanding of data structures, algorithms, and object-oriented programming - Have experience in creating programming challenges or assessments - Be able to design medium difficulty tasks that are both engaging and challenging - Familiarity with HackerRank platform is a plus I will provide more detailed requirements and guidelines once we kick off the project. Looking forward to working with an expert in this field.

I'm looking for an experienced Java developer to create a custom compiler. It will be geared towards handling key Java features including Object-oriented programming, Exception handling, and Generics. Key requirements: - Ability to write a compiler in Java - Strong understanding of Java's key features (OOP, exception handling, generics) - Previous experience with developing compilers is a plus The project doesn't specify a particular version of Java, but the ability to work with different versions may be beneficial. Please provide examples of previous compiler projects or relevant work.

I am looking for a skilled developer who can help me develop a custom Liquid code editor to be integrated into the Braze platform. This editor should sup...who can help me develop a custom Liquid code editor to be integrated into the Braze platform. This editor should support custom liquid code snippets. I first need someone to troubleshooting existing code and determine why the color displayed is blue Key Responsibilities: - Troubleshooting existing and building new Liquid code in Braze Ideal Skills and Experience: - Proficiency in Liquid programming language - Experience in developing custom code editors - Prior experience with Braze platform - Proficiency in Syntax: {% if ... %} ... {% elsif ... %} ... {% else %} ... {% endif %}: This is the...

I'm looking for a proficient Python developer to create a script that can efficiently scrape active IPs from a text file I will provide. The following specifics are required in this project: - The Skill-set: Strong Python programming skills, experience in IP scraping and working with text files would be an advantage. - Task Details: You need to extract the 'Activity Data' from these IPs. Profound knowledge in network protocols is a must-have. - Output Handling: The activity data extracted should directly be written to a text file. A clear understanding of FileIO operations in Python would be crucial. A successful completion of this project might lead to more future collaborations. I'm looking forward to seeing your proposals.

...tracking, and communication between manager and employees. Project Overview: We require a user-friendly mobile application that enables managers to assign tasks, monitor their progress, and receive notifications upon completion. Additionally, employees should be able to update task statuses and notify managers when tasks are finished. Key Features: User Authentication: Secure login functionality for managers and employees. Task Assignment: Managers should be able to create tasks, assign them to specific employees, and set deadlines. Task Tracking: Real-time tracking of task progress, including status updates and completion notifications. Push Notifications: Automated notifications for task assignments, updates, and completions to...

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...application that primarily uses node.js for the backend. My payment gateway is Worldpay for which I've set a callback for the settlement process. However, the issue lies in the processing of the callback response - the current processing is incorrect and needs to be fixed. Key Tasks & Skills: - Debugging: Diagnosing the incorrect processing of the callback response. - API Integration: Expertise in integrating Worldpay's settlement callback correctly. - Node.js: Proficiency in node.js is essential to understand and troubleshoot the existing code. The ideal candidate for this project should have a strong background in node.js, previous experience in Worldpay integration, and a solid understanding of API callbacks. You should...

An app similar to Uber and Lyft. 1. Mobile App Development: Proficiency in mobile app development platforms such as iOS (Swift) and Android (Java/Kotlin). Experience with cross-platform development frameworks like React Native or Flutter can be beneficial for building apps that work on both iOS and Android. 2. Backend Development: Strong understanding of backend development technologies and frameworks like Node.js, Python (Django/Flask), or Ruby on Rails. Knowledge of databases such as MySQL, PostgreSQL, or MongoDB for storing user data, ride information, and other relevant data. 3. Geolocation and Mapping: Familiarity with geolocation services and APIs for tracking user location and providing real-time navigation. Ex...

I'm looking for a blockchain expert who can troubleshoot and rectify bugs in my existing smart contract deployed on Binance Smart Chain. Key Responsibilities: - Analyze the smart contract: Understand the functions and logic implemented. - Bug Identification: Identify the source and nature of bugs. - Bug Fixing: Modify code to eliminate bugs without affecting the contract's functionality. - Testing: Ensure the contract runs smoothly post-fix. Ideal freelancer: - Extensive experience with Binance Smart Chain and Smart Contracts. - Proficient in Solidity programming language. - Strong understanding of blockchain technology and decentralized applications. - Previous experience in debugging, testing, and deploying smart contracts wou...

...homepage, blog posts, and product pages. If we copy an existing page and modify it to make a new page, the featured image shows up, but if you create a new page, the image is not showing up. Also a side menu bar is also not showing on the new created page unless we copy the existing page and modify to make a new page. We believe that this is the code issue. The perfect candidate for this job will: - Have extensive WordPress experience and a deep understanding of its back-end systems - Have experience with a variety of WordPress themes - Be able to troubleshoot and resolve the issues in a timely manner Please propose your solution when bidding, along with any similar issues you've resolved in the past. Your proven track re...

NEED URGENT AND WILL HIRE NOW I need a seasoned Laravel developer to introduce custom features in my law firm management system. Tasks will range from backend development and API integrations to efficient database management. I am particularly focusing on enriching the user interface design, and advancing client and case management aspects of the system. The improvements I'm envisioning include but are not limited to innovative UI design adaptations and seamless client management solutions. Although the specifics for the required client management functionalities weren't designated, your expert opinion on the undeniable essentials based on your experience with similar projects would be highly valued. Ideal candidates granularly understand...

...primary tasks will involve refining the user interface and tailoring the menu categories and options to meet our specific needs. Key Responsibilities: - Implementing UI modifications: We require a fresh color scheme and branding throughout the app, as well as font and typography adjustments to enhance overall aesthetics and user experience. - Customizing menu categories: Your role will involve modifying existing menu categories and options to align with our unique requirements. Ideal Skills and Experience: - Proven experience in Flutter app development, with a portfolio showcasing similar projects. - Proficiency in UI/UX design, particularly in executing color, branding, font, and typography changes. - Strong understanding of ...

...check the attachments)* I am seeking a skilled developer with proficiency in both English and Arabic languages to create a subscription-based application for my existing football academy business. The primary function of the app will be to provide player registration capabilities. This app is intended for aspiring youth or amateur football players who wish to subscribe to our academy. Ideal skills and experience: - Previous experience in app development for both iOS & Android platforms and ensuring they fit all screens - Knowledge in creating a backend dashboard for user management - Ability to creatively design a user interface targeted at young football enthusiasts - Proficiency in both English and Arabic languages, with exceptional un...

I'm seeking a skilled Solidity developer to create a smart contract on th...the Ethereum platform for my project. - Proficient in Solidity: Having a deep understanding of the Solidity programming language is tremendously important for this project. Familiarity with Ethereum's layer solutions would be advantageous. - Experience with Ethereum: Having significant experience working with smart contracts on the Ethereum platform will be beneficial in ensuring smooth development and functionality implementation. - Types of Projects: We are aiming to develop a smart contract which requires extensive knowledge about writing, testing, and implementing contracts on Ethereum. Prior experience with similar projects is a plus. I look forward to see...

See "pair programming/code walk-through" for details. This is just a 3h milestone to see, if it makes sense to collaborate.

...with your price based on this. What you quote will be the top line. The deadline is 1 week for completion as the work to be done is very small. We are seeking a competent freelancer to assist with website development for our real estate agency. The key features are relatively basic and can be covered by the existing Wordpress theme, Houzez. However, additional adjustments and custom coding are required to meet our specific needs. The project has already been partially started, providing a solid baseline for you to work from. The theme and changes includes a backend CRM that also requires custom work. We aim for completion within a week and will only consider candidates who can commit to this timeframe. Payment will be made in ...

...looking for an expert in Raspberry Pi programming, ideally with experience in IR code programming. I would like a Raspberry Pi to be programmed to send IR codes (It also needs to capture these codes in the first instance) My setup will be a raspbery PI with the 7" touch screen PI display. I need a front end where I can present countdown timers, once the timer hits zero I need to send an IR signal. If the timer isn't stopped after countdown 1 minute later I need to send two more IR signals. Along with the PI and Screen I will need you to tell me what other hardware I need to purchase to capture and send these IR signals. Their will be only 5 signals in total to capture and these will not change during program operation Key Skills:...

I need a Python expert who can help me with my assignment. - The assignment is focused on game development, specifically 2D platformers. - Your main task will be creating the game with Python. Ideal candidate should have: - Strong background in Python programming - Prior experience in game development, especially in 2D platformers. - Ability to understand and implement game mechanics. If you have a portfolio or examples of your work, please share them.

...an expert in Arduino programming to develop a code that connects to an OV7670 camera, recognizes specific patterns (like a person's head) and triggers an LED. Key Requirements: - Use an Arduino Uno or Nano to interface with an OV7670 camera and LED. - The code should have a pattern recognition feature - specifically, recognizing a person's head. - When the pattern is detected, the LED should light up to indicate an event has occurred. Additional Details: - The code should be able to differentiate a specific pattern (a person's head) from other objects or patterns that may be in the camera's view. - This is an intermediate level project, hence the recognition should be accurate enough to detect the specific object. Ideal Skills: -...

Looking for a skilled developer proficient in Python, Node.js, Postgresql, and Next.js. The project involves integrating an existing Python bot into a website to automate product data input. Key requirements: -Bot Integration: Seamlessly integrate the Python bot with the website's Node.js backend and frontend. -Automated Data Input: Ensure the bot reliably inputs product-related data, leveraging expertise in Postgresql for database management. -Error Handling: Implement automatic bug reporting in case of data input errors. If you have relevant experience in bot integration and database management, please submit your bid.

I am in need of an experienced full stack developer who is well-versed in .NET and Angular to assist with the backend and frontend development of my project. Essential Tasks: - Involvement in both backend and frontend development processes - Providing valuable insights during project reviews Key Skills: - Strong competence in .NET and Angular - Proven experience in full stack development - A strong grasp of cloud technologies is advantageous - Excellent communication skills, as understanding and following project requirements are crucial Project Timeline: - There is no strict time frame for completion of this project. We value quality deliverability and careful attention to detail above speed...

....NET and Angular to take part in my ongoing web development projects. The main goal of the project is to enhance an existing application. Requirements: - Proficiency in .NET for backend development - Strong experience with Angular for frontend development - Excellent understanding of SQL Server and MongoDB databases - Previous work with DevExpress is essential Your responsibilities will include: - Developing APIs using .NET for enhancing the application - Integrating Angular for improving the frontend - Ensuring seamless operation with SQL Server and potentially MongoDB Ideal candidates should have a strong understanding of web development and be able to contribute effectively to enhancing the current state of the appl...

I'm looking for a skilled Unity 2D game developer to create an educational game. - Game Type: The game will be an educational game. - C# Focus: The main goal of this project is to teach users the fundamentals of C#. - Target Age Group: The game is specifically designed for teenagers (13-18+). The ideal candidate should have: - Proficient in Unity 2D game development. - Experience in creating educational games. - Strong understanding of C# programming language. - Familiarity with game design principles and user experience. If you're passionate about game development, education, and have a creative mindset, I'd love to hear from you.

NEED URGENT AND WILL HIRE NOW I'm seeking a proficient Laravel developer with particular skills in both backend and frontend development. Your main tasks will include the creation of backend functionality, frontend integration, and theoretical database management. Key Responsibilities: - Develop backend systems to support our web application - Implement frontend interactions and interfaces with the backend Custom Feature Development: Details about this will only be revealed via direct messaging to protect the uniqueness of our project. However, a proven record in creating custom features will be highly considered. Design: There are no specific design requirements as it was not a priority for this project. ...

I need a flutter developer to assist with a mobile application development project. The primary goal of this application is device integration. Unfortunately, the specific device or technology you'll be integrating with the app was not included in this project brief. Here's what I'm looking for: - Proficient in graphs in applications - Experience in developing mobile applications using Flutter - Proficiency in Flutter and Dart programming languages - Strong understanding of device integration and connecting hardware to mobile applications Please get in touch with me to discuss the project further. Your expertise in this area will be crucial in the successful completion of this project.

...existing credentials - Ensure a smooth, secure, and seamless synchronization between the two systems Ideal Skills and Experience: - Proficiency in Odoo module development - Experience with Magento 1.9 and its user authentication system - Strong understanding of authentication protocols and security best practices Job Description: We are in need of a skilled software developer proficient in Magento 1.9 (now OpenMage 20.2.0) and Odoo 16 CE to create a module that facilitates user authentication between the two platforms. Our goal is to seamlessly migrate user accounts from Magento to Odoo, ensuring that customers can use their existing magento credentials (email and password) without the need for manual password resets. The main objectiv...

We are looking for a skilled developer to integrate a Python program with our WordPress site. The program requires user login and forms to feed data, which will then trigger API calls to display output on the site. The main task is to ensure smooth integration between WordPress and the Python program. The project requires the following skills: - WordPress development - Python programming - API integration - User login implementation - Form development and data feeding If you have experience in these areas and can deliver high-quality work within the given timeframe, we would love to hear from you.

...data analysis, a variety of machine learning model development, and natural language processing to bring an image recognition project to life. Specifically, I'm looking for your contributions to: - Thoroughly analyze large quantities of data and draw insightful conclusions from it - Develop advanced machine learning models to fulfill our needs - Apply natural language processing techniques for improved project outcomes - Design and develop AI models to meet project requirements - Convert AI/ML models into APIs that other developers can use - Perform statistical analysis on big data sets - Manage project infrastructure and the development of AI models and projects - Work with other machine learning engineers, data engineers, and AI enginee...