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    2,000 rails backend δουλειές που βρέθηκαν, με τιμές EUR
    Project for Thanasis K. Έχει λήξει left

    Καλησπέρα Θανάση, πρόσεξα το προφίλ σου ψάχνοντας για backend devs σε nodejs/nestjs. Θα σε ενδιέφερε μια μονιμη συνεργασία;

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    Booking Site Έχει λήξει left

    Αναζητούμε έμπειρο developer για την ανάπτυξη & ολοκλήρωση ιστοσελίδας booking. To site είναι custom cms με τεχνολογίες php, mysql javascript & json. Τα κομμάτια ανάπτυξης είναι τόσο σε front end όσο & σε backend κυρίως στ&...

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    Project for Alexandra K. Έχει λήξει left

    Αναζητούμε έμπειρο developer για την ανάπτυξη & ολοκλήρωση ιστοσελίδας booking. To site είναι custom cms με τεχνολογίες php, mysql javascript & json. Τα κομμάτια ανάπτυξης είναι τόσο σε front end όσο & σε backend κυρίως στ&...

    €239 (Avg Bid)
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    Project for Anastasios T. -- 2 Έχει λήξει left

    Αναζητούμε έμπειρο developer για την ανάπτυξη & ολοκλήρωση ιστοσελίδας booking. To site είναι custom cms με τεχνολογίες php, mysql javascript & json. Τα κομμάτια ανάπτυξης είναι τόσο σε front end όσο & σε backend κυρίως στ&...

    €239 (Avg Bid)
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    1 προσφορές
    Project for Anastasios T. Έχει λήξει left

    Αναζητούμε έμπειρο developer για την ανάπτυξη & ολοκλήρωση ιστοσελίδας booking. To site είναι custom cms με τεχνολογίες php, mysql javascript & json. Τα κομμάτια ανάπτυξης είναι τόσο σε front end όσο & σε backend κυρίως στ...

    €14 / hr (Avg Bid)
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    Project for Kyriakos F. Έχει λήξει left

    Αναζητούμε έμπειρο developer για την ανάπτυξη & ολοκλήρωση ιστοσελίδας booking. To site είναι custom cms με τεχνολογίες php, mysql javascript & json. Τα κομμάτια ανάπτυξης είναι τόσο σε front end όσο & σε backend κυρίως στ...

    €239 (Avg Bid)
    €239 Μέση Προσφορά
    1 προσφορές
    Καλησπέρα Έχει λήξει left

    Αναζητούμε έμπειρο developer για την ανάπτυξη & ολοκλήρωση ιστοσελίδας booking. To site είναι custom cms με τεχνολογίες php, mysql javascript & json. Τα κομμάτια ανάπτυξης είναι τόσο σε front end όσο & σε backend κυρίως στ...

    €239 (Avg Bid)
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    I have a php page () on Backend in wich the words are coded inline I want to make this to work from the language file I have Translate it already. They are about 60 words that have to be changed in one file all are ready translated. Example On Line 386 you have to put th definition of Line 83 the code is Line 386 $sup_comment = 'Παλιά παραγγελία, comment: '.$comment; And you have to put from language file Line 83 this: define('TEXT_OLD_ORDER', 'Παλιά παραγγελία'); To change it to be something like this: $sup_comment = ' "TEXT_OLD_ORDER", comment: '.$comment; When I do this it doesen't...

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    Αναζητούμε υποστήριξη Frontend και Backend για την υλοποίηση ενός διαδικτυακού περιοδικού. Το σύστημα θα βασίζεται στο TYPO3 για το Backend (Headless CMS). Για την Frontend παρουσίαση (Satellite) εφαρμόζ&epsil...

    €1937 (Avg Bid)
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    php backend & frontend developer Έχει λήξει left

    Ψαχνω για προγραμματιστη, προκειμενου να επιτελεσε καποιες αλλαγες στο backend αλλα και frontend κομματι μιας εφαρμογης σε php.

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    Θα ήθελα έναν έμπειρο web developer για να πραγματοποιήσει frontend και backend βελτιωσεις για ενα web application που βρίσκεται σε σχεδόν έτοιμη κατάσταση.

    €1035 (Avg Bid)
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    Χρειάζομαι developer (backend, front-end) για παραμετροποίησεις, διορθώσεις σε WooCommerce ηλεκτρονικά καταστήματα. Περισσότερα με προσωπικό μήνυμα.

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    classification σε Python Έχει λήξει left

    ...επενδύσεων, αλλά μικρό ρόλο παίζει αυτό. O αλγόριθμος που θα χρησιμοποιηθεί για το classification μπορεί να συζητηθεί, αναλόγως και με τις δυνατότητες σας. Ύστερα αυτό θ&alp...

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    Βελτιώσεις σε magento Έχει λήξει left

    Διορθώσεις για καλύτερη λειτουργία eshop στο backend αλλά και frondend σε πλατφόρμα magento.

    €169 (Avg Bid)
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    Εφαρμογή jquery-ui plugin (jquery-ui autocomplete / )σε html φόρμα για καλύτερο user experience. Το plugin αντλεί πληροφορίες από βάση δεδομένων mysql μεσω jquery/ajax. Το backend ειναι σε php.

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    Επιθυμούμε έναν διαδικτυακό τόπο για την Πολιτιστική Κίνηση Νομού Ροδόπης με τα εξής χαρακτηριστικά: - να υπάρχει σύντομη ιστορική αναφορά στον σύλλογο - ο σχεδι&...

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    πληρη υλοποιηση της ιδεας και τις λογικης με το site : με την προσθηκη επιπλεον χαρακτηριστικων που θα γινουν στην πορεια (ΠΡΟΣΟΧΗ ΕΔΩ).. το σκεπτικο ει&n...

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    ...) θα είναι διαχειρίσιμες μέσα από το backend του Wordpress. 2. Επιπλέον πρέπει να υπάρχει επιλογή τρόπου παρουσιάσης όπως του carousel slider που υπάρχει στο Δείχνει 3 εικόνες, η μεσαία/τρέ&...

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    Google Ads Purchase Conversion Tracking Reinstallation 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    My purchase data on Google Ads is 3x more than what I see on my Shopify backend. This means the tracking I installed is not working correctly. I need help removing the old one, installing a new one, and ensuring it is tracking correctly.

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    I'm in need of an accomplished full stack developer to integrate my Node APIs with an Angular frontend. Key Project Deliverables: - User authentication: You'll be implementing a robust system for verifying user identities. - Data retrieval and display: You'll also need to link backend functionality with the frontend so users can access and interact with data. - Real-time updates: The application should show users any changes or updates as they happen. Given that we anticipate a small user base (1-100 users) at present, the preliminary focus is on function delivery over scalability. For the startup level of this application, basic security measures are required specifically focusing on data validation. Experience in Node.js, Angular, User Authentication, and Re...

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    I'm looking to integrate existing Node.js APIs with my Angular frontend. The scope of this project includes: - Interfacing the N...frontend. The scope of this project includes: - Interfacing the Node.js APIs with Angular - Functionality for account creation/management - Implementing the product listing/purchasing workflow It is uncertain whether complete documentation for the APIs is available, so a freelancer with experience in Node.js and evaluating API endpoints would be ideal. Strong knowledge in Angular and frontend-backend integration is required. It's a bonus if you have previously integrated APIs without complete documentation. Your ultimate task would be to seamlessly incorporate these APIs to improve user interface components, mainly for account management and...

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    For this bespoke venture, I'm searching for a talented programmer who is proficient in either Python or C++. batch understanding is a must! The primary task involves: - Developing a new API key login system with a focus on imp... I'm searching for a talented programmer who is proficient in either Python or C++. batch understanding is a must! The primary task involves: - Developing a new API key login system with a focus on implementing access control and permissions. This calls for deep understanding of SQL and batch. Ideal skills/experience include:- Hands-on experience in SQL, batch, and either Python or C++ for backend programming. - Demonstrated skills in developing and maintaining API key login systems. - Proven knowledge in creating permission-based access cont...

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    Develop mobile application for lending 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    lending system through mobile application ( Anroid / Apple ) the requirments: Mobile application flow of regestraion and submit the request of loan with number of business rules which is also include number of integrations for verivaction and check the credit score and payment GW. A backend managment of loan system ( Simple rules ).

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    ...protection and bias mitigation strategies. Provide an intuitive user interface for college administrators to monitor AI decisions and outcomes. Integrate the system with existing college data management systems to minimize the need for manual data transfer. Skills and Qualifications: Proven experience with AI and machine learning algorithms, especially in the context of data analysis. Expertise in backend development with knowledge of database management, preferably with experience in educational technology platforms. Strong understanding of data privacy laws and ethical considerations in AI. Familiarity with natural language processing for the AI call agent's development. Ability to write clean, maintainable code and documentation. Experience with user interface design is ...

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    I'm in need of a skilled Python developer who is proficient with Django framework for the purpose of backend web development. The task at hand involves: - Constructing a web application using Python and Django. - Developing an efficient and robust backend system. Ideal candidates should have demonstrated experience in Python and Django framework, as well as backend web development. Please be ready with your proven track records and be prepared to discuss how your skills and experience can contribute to this project. Let's build something great together!

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    Ruby, Rails & Python Developer Needed 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    In search of an experienced developer with specialty in Ruby, Rails, and Python. You'll be tackling various tasks, primarily focusing on the front-end development. Although the specific tasks were not listed, proficiency in HTML/CSS, JavaScript, and UI/UX design is desirable. In your application, provide the following: - Your experience with Ruby, Rails, and Python. - Past projects or work related to these technologies. Scope of the work: I am facing one issue in the front end, Find the attached screenshot and the highlighted yellow color value not getting correct from the backend. You need to check the backend as well.

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    ...of user interface design and interaction will be beneficial. The ability to work with vague requirements and create concrete results will be highly appreciated. Please provide evidence of similar Android projects you've executed successfully. Το finilize project and deliver the Project: 1. Update full code 2. Update packages 3. Install firebase 4. Integration of phone authentication 5. Update backend with new authentication method Main purpose: The step of OTP registration has to work at EVERY android device. That is the main purpose of that update. Please, you have to some update the html map of to load the events also. And the update has to be for both languages English/Greek, so you will send me the greek file to update. And Google sent me a notification j...

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    React JS Frontend Developer Required 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I'm in need of a proficient React JS Frontend Developer to work on my project. The tasks involve: - Implementing a responsive design for the website which is primarily used for front-end development. - Integrating APIs that would set a dynamic link between the backend and the frontend. It's crucial for this role that you are well versed in responsive design and API integration. The project would start with the development of the homepage. Ideal candidate should be able to implement cutting edge user-experience and beautiful interface for the homepage. Knowledge of additional JS libraries and frameworks would bee a plus. Looking forward to your bids.

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    handyman app 6 μέρες left

    ...inzicht te krijgen in de vereisten en de omvang van het project, kunt u de documentatie hier vinden: Ik zoek naar een ontwikkelaar die ervaring heeft met Flutter-ontwikkeling en het opzetten van uitgebreide serveromgevingen. Het is belangrijk dat de integratie tussen de frontend en backend soepel verloopt. Naast het opzetten van de backend en het configureren van de servers, zal het project ook testen en debuggen omvatten om ervoor te zorgen dat alles correct werkt. Verder is het uiteindelijke doel om toegang te krijgen tot een admin panel voor het beheren van de app. Daarnaast moeten zowel de iOS- als Android-versies van de app worden geïmplementeerd in respectievelijk de App Store en Google Play Store

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    I have a Django built website and my goal is to make it live. I need a DevOps engineer who can handle Nginx and django-rest-framework. Roles and Responsibilities: - Setting up Nginx server to host the website live - Integrating SQLite as the database with the Django backend. Ideal Skills: - Deep understanding of django-rest-framework - Proficiency in Nginx server operation - Past experience with SQLite and Django integrations.

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    ERP Software 9 μέρες left

    ERP System with frontend and backend. Backend is in Django.

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    Esports Tournament Management Website 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    ...scheduling and management: The platform should enable seamless, automatic scheduling of matches based on player availability and round progression. - Score tracking and Leaderboards: An integral aspect will be the real-time tracking of players' scores and updating of leaderboards. - Team creation: Users should be able to form teams and register as a team for tournaments. - Admin backend: Reliable admin backend functionality is vital to supervise match schedules, monitor progress and control user conduct. - Tournament Formats: The site needs to support various tournament formats, including single elimination and round robin games, compared to major esports sites. Something close to the capabilities of the below website. User Side 1. Account Management

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    ...seeking an experienced Android app developer to build an application that rewards users with cryptocurrency for watching ads. I want basically a copy of the app Litecoin Giveaway, but no third party stuff. Key requirements include: - Build the app for Android platform. - Design an engaging and intuitive user interface. - Incorporate ad watching as the primary operation for users. - Develop a backend process to direct transfer cryptocurrency to a user's wallet as a reward for watching ads. The ideal applicant will not only have strong technical capabilities in Android Development, but experience with ad monetization and cryptocurrency systems as well. Expertise in integrating relevant APIs is also essential. A clear understanding of security best practices to handle crypto...

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    Sistema en angular para clinicas 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Busco un sistema para administracion de clinicas o centros medicos , requisitos: Base de datos: Postgresql (Si maneja ORM MEjor) Backend: Python o Java Frontend: Angular ( actual)

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    I'm in need of a proficient Python Flask developer capable of designing and implementing a job recommendation system. NOTE: Please refer this link to get an idea of the workflow: ,259,3953,2589&p=FhX5d9EK3JOT1u3pIHqp1 Key Features: - System Development: Design and implement the backend logic and frontend components of the job matching platform using Flask, ensuring high performance, reliability, and security. - User Authentication and Authorization: Develop user registration and authentication functionalities to allow secure access to the platform for job seekers and recruiters. - Profile Management: Implement features for job seekers to create and manage their profiles, providing essential information such as skills, experience

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    As a property owner, I am seeking a CAD services expert to create detailed DWG draftings for both balcony and stair guard rails. My primary focus is on detailing the installation process to guarantee the safety and stability of the rails' placement. These drafts are mainly for my submittal needs, but they will also serve as essential blueprint for the installation team. Ideal Skills: - Proficiency in CAD software - Expertise in producing DWG files - Strong understanding of structural safety - Experience in designing guard rails Succinctness, safety emphasis, and ability to effectively illustrate installation details are of the essence to make these drafts useful for both submittal and rail installment.

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    Resolve JavaScript Errors on WordPress 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    There are issues in a WordPress website that are causing JS conflicts to be flagged in the Site Health section. These may have caused the website to go down yesterday when plugin updates were rolled out. A backup of the website has been reverted to and I require a developer to review and resolve the errors to ...yesterday when plugin updates were rolled out. A backup of the website has been reverted to and I require a developer to review and resolve the errors to ensure the website can be stabilised and plugin updates applied. - Task Details: - Identify the cause of JavaScript console errors - Resolve error messages appearing during backend operations - Ensure seamless backend operations post-rectification Necessary skills: WordPress, JavaScript, Troubleshooting, ...

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    I'm looking for someone adept in Ruby on Rails to tutor my son, Jon. He's been learning independently for a month but would significantly benefit from expert guidance and instruction. - Expertise in providing one-to-one coaching for Ruby on Rails - Ability to help him understand complex topics and provide solutions for problems - Capacity to teach at a Beginner level-- and with someone who will be evolving to intermediate level - Proficiency in web application development within the Ruby on Rails framework Previous experience as a Ruby on Rails tutor will be advantageous. I know he would appreciate your knowledge and patience. A comprehensive understanding of Ruby on Rails, pedagogical skills, and experience in web application development a...

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    Hi Awais A., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

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    Require iOS/iPhone mobile developer, you will need to show examples of previous work that has reasonable downloads from the iOS app store A frontend application to be created to keep track of items received and sent, wireframe to be discussed in detail via chat About 5-6 screens to be built, not too complex but does require some accessing backend API to fetch data, then display it nicely. There is going to be limited complexity in the app itself, most of it will be tracking data. So being able to have a smooth UI and good UX is key criteria. The app will need to implement AdMob and subscription to the Apple store, so you must have knowledge or experience with those. (eg. or other ways of managing subscription) Do

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    Php expert 6 μέρες left

    php work required for some backend work

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    I'm looking expert in TutorLMS customization professionally tailoring it to meet my unique n...Customization: Modify and enhance the theme to provide a distinct look and feel. - Plugin Integration: Incorporate essential plugins, like WooCommerce, Elementor, TutorLMS, and Divi, to maximize functionality and bring my vision to life. - User Interface Modification: Develop a front end using my Figma designs, making necessary alterations to the UI. Your expertise should be in: - PHP and WordPress for backend customization - Integrating and customizing WordPress plugins - UI Design and Figma for frontend development If you have a passion for creating robust, visually-appealing learning management systems, I’d love to hear from you. Let's collaborate and build a platfor...

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    E-commerce Website Development 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    ...development and design, applying them to our project where appropriate. Requirements: Proven experience in frontend web development with a strong portfolio showcasing your design and development skills. Proficient understanding of web markup, including HTML5 and CSS3. Strong knowledge of client-side scripting and JavaScript frameworks. Familiarity with PHP and understanding of how frontend and backend development integrate. Experience with responsive and adaptive design principles. Excellent problem-solving skills, creativity, and attention to detail. Ability to work in a collaborative team environment and communicate effectively....

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    I'm looking for a talented developer who could significantly improve an existing Android application built on .NET with SQL backend. Major tasks include: - Redesigning UI/UX to make the app more intuitive and user-friendly - Adding more interactive elements to keep users engaged - Improving navigation for a flawless user experience - Identification and fixing of bugs, coupled with performance optimizations for a smooth application flow - Integration of new features such as push notifications, in-app messaging, and creation of 'Course Sections', Course Notes Section - Reworking of the 'Find Jobs' section to make it more efficient - And with complete new Login and Sign pages. Ideal freelancer should have: - Extensive experience with .NET, SQL, and Android...

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    n8n.io low code 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Key Tasks: - Establish an API with to facilitate workflow automation. - Integrate and automate transmission of data between open ai and my backend Qualifications: - Experience with ,OpenAI, and my backend. - Knowledge in automated workflow design and execution. The project's goal is to automate specific processes within my workflow, focusing on data transmission between APIs and condition-based task execution. You'll need to demonstrate familiarity with and proficiency in managing and integrating APIs. The successful execution of this project requires a solid understanding of workflow automation and data integration strategies.

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    Android Mobile App for Home Recycling 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    ...Strong understanding of e-commerce, as the app might need to interface with online counterparts • Strong knowledge in user interface and experience, aiming for an intuitive and user-friendly application • The primary development environment will be Android Studio, supplemented by Node.js for backend functionality and HTML/CSS for frontend design. MySQL will be employed for database management. Programming Languages: Java will be the main language for the Android application, with JavaScript for backend scripting and HTML/CSS for web components. Version Control System: Git will be utilized for version control, facilitating effective codebase management. Key Features Implementation: Focus will be placed on developing the app's core functionalities, including ...

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    API Integration and Automation with n8n 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Key Tasks: - Establish an API with to facilitate workflow automation. - Integrate and automate transmission of data between open ai and my backend Qualifications: - Experience with ,OpenAI, and my backend. - Knowledge in automated workflow design and execution. The project's goal is to automate specific processes within my workflow, focusing on data transmission between APIs and condition-based task execution. You'll need to demonstrate familiarity with and proficiency in managing and integrating APIs. The successful execution of this project requires a solid understanding of workflow automation and data integration strategies.

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    ERP Logistics System Developer Needed 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    We are in need of a developer with expertise in multiple areas to create an ERP logistics system. Our primary priorities for functionality are inventory management, order tracking, reporting and analytics, last mile management, and an order management system. Ideal Skills and Experience: - Angular 9 for frontend development - NodeJS for middleware development - Spring Boot for backend development - MySQl for database management - GCP for cloud management. We require a developer with prior experience with these systems and programming languages. The chosen cloud provider for this project will be GCP. Please include relevant project experience in your proposal.

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    Mobile App & Admin Panel Enhancements/Modifications 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    ...experienced mobile app developer to make modifications to my business app, on both Android and iOS platforms. As this role requires working on existing code, detailed familiarity with languages and systems used in mobile application development, notably for Android and iOS applications, is essential. Key tasks include: - Improving/fixing functional features across the application - Fortifying backend and APIs - Reworking the Admin Panel - Bolstering existing security / initiating new ones The ideal candidate will have extensive experience in mobile app development, skillful at debugging, modifying existing codes, and enhancing functionality. Any background in Drupal/Acquia will be advantageous because there is some work needed on the Admin Panel. A portfolio of similar proje...

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    ...the title of the show "Tracing the Rails" we will be happy. Some lyrics you could use or not are: Winding through the heart of Sussex, where history unveils. Exploring whispers, tales of steam, echoes of a line, A journey through the railway past, where memories intertwine. Exploring paths where trains once roamed, our first path the Steyning line (Steyning pronounced Stenning) The essence of adventure, the spirit of the quest, Discovering the tracks, where our heritage rests. In every sleeper's silence, in every whistle's cry, Such a past to be discovered under the wider Sussex sky. A narrative unfolding, where the past and present blend, Such stories to tell you, where the rails once extend. In the shadows of forgotten tracks, we're tracing th...

    €122 (Avg Bid)
    €122 Μέση Προσφορά
    14 προσφορές