Backend Development is a critical part of any website or software product. It starts with understanding the client's goals and developing solutions that achieve those goals in a cost-effective and scalable way. Backend developers are responsible for more than just code: they have to have a strong understanding of databases, frameworks, and development in general. A backend developer uses this knowledge to turn complicated customer requirements into a efficient, automated solutions that the user experience (UX) team can work with.

When it comes to Backend Development, experience matters - you want someone who's seen a variety of projects and knows the best technology to use for your specific scenario.

Here's some projects that our expert Backend Developer made real:

  • Developing connected systems between websites and local servers
  • Integrating software systems using modern real-time protocols
  • Building bespoke solutions tailored to customer requirements
  • Taking over existing projects and resolving tricky bugs
  • Developing custom solutions using tried and tested frameworks

Backend Development encompasses a wide variety of skills and technologies, so it helps to have an experienced developer on your team who can navigate the complexities of building high-quality solutions. Our expert developers have already undertaken a variety of different projects and can jump into yours with confidence - benefit from their expertise, get your project completed quickly and correctly, and reduce time-to-market for your product. Get in touch today to discuss bringing your project to life, or post your own project in Freelancer.com to hire an experienced Backend Developer.

De 138,576 opiniones, los clientes califican nuestro Backend Developers 4.9 de un total de 5 estrellas.
Contratar a Backend Developers

Backend Development is a critical part of any website or software product. It starts with understanding the client's goals and developing solutions that achieve those goals in a cost-effective and scalable way. Backend developers are responsible for more than just code: they have to have a strong understanding of databases, frameworks, and development in general. A backend developer uses this knowledge to turn complicated customer requirements into a efficient, automated solutions that the user experience (UX) team can work with.

When it comes to Backend Development, experience matters - you want someone who's seen a variety of projects and knows the best technology to use for your specific scenario.

Here's some projects that our expert Backend Developer made real:

  • Developing connected systems between websites and local servers
  • Integrating software systems using modern real-time protocols
  • Building bespoke solutions tailored to customer requirements
  • Taking over existing projects and resolving tricky bugs
  • Developing custom solutions using tried and tested frameworks

Backend Development encompasses a wide variety of skills and technologies, so it helps to have an experienced developer on your team who can navigate the complexities of building high-quality solutions. Our expert developers have already undertaken a variety of different projects and can jump into yours with confidence - benefit from their expertise, get your project completed quickly and correctly, and reduce time-to-market for your product. Get in touch today to discuss bringing your project to life, or post your own project in Freelancer.com to hire an experienced Backend Developer.

De 138,576 opiniones, los clientes califican nuestro Backend Developers 4.9 de un total de 5 estrellas.
Contratar a Backend Developers

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    28 trabajos encontrados

    Desarrollo plataforma web similar a una red social de creadores de contenido. Pasarela de pago mediante suscripción mensual o pagos puntuales. Los creadores de contenido podrán subir fotos y videos (privados, públicos o live). Los usuarios podrán seguir, dar me gusta, añadir a favoritos, y publicar comentarios en los post de los creadores de contenido.

    €1241 Average bid
    €1241 Oferta promedio
    72 ofertas

    Somos Carico Ecuador. Una empresa de venta directa de productos de salud. Ollas de acero quirurjico, filtros de agua Nosotros tenemos venderores directamente buscando potenciales clientes a quienes vender. Queremos digitalizar nuestra fuerza de ventas con una app CMS que maneje leads, vendedores, servicio post venta y demas. Tenemos mas informacion para los postulantes

    €2124 Average bid
    €2124 Oferta promedio
    46 ofertas

    Global Visa System Scope. Scope of Work and Deliverables for the Development of a Global Visa Application System Project Overview The Global Visa Application System aims to streamline the visa application process through advanced AI-driven automation and a user-friendly interface. The platform will cater to users worldwide, providing seamless access to visa application services via a website, admin panel, and mobile applications (iOS and Android). The system will include advanced features like AI-powered document verification, chatbot assistance, and application status tracking. 1. Scope of Work 1.1 Website Development The website will serve as the primary interface for users to create accounts, submit visa applications, track their progress, and receive notifications. Key Features:...

    €32086 Average bid
    €32086 Oferta promedio
    43 ofertas

    I'm looking for an experienced Android app developer to help me bring my personal project to life. Ideal Skills and Experience: - Extensive knowledge in Android app development - Previous experience with personal project apps - Strong problem-solving skills - Ability to work independently and meet deadlines Please provide examples of your previous work and your approach to personal project app development.

    €112 Average bid
    €112 Oferta promedio
    24 ofertas

    I'm seeking an experienced backend developer who has a deep understanding of Connectwise. This role is crucial for our existing business, aimed at enhancing our operational efficiencies and processes. Key Responsibilities: - Integration: You will be responsible for integrating Connectwise into our existing systems and processes. - Customization: Customizing Connectwise to suit our unique business requirements. - Optimization: Optimizing backend processes to enhance operational efficiencies. Ideal Candidate: - Strong Connectwise expertise: You need to have a proven track record working with Connectwise, understanding its architecture and API capabilities. - Independent worker: Must be able to work independently and proactively. - Problem-solving skills: You should be able t...

    €45 / hr Average bid
    €45 / hr Oferta promedio
    24 ofertas
    Quiz Project (full)
    6 días left
    Verificado

    Webbased Quiz Total budget (30$) Core Requirements: - Design and development of a user-friendly, interactive interface - Implementation of features that enhance the learning experience - Tentative requirements are mentioned in the document Please read and understand the requirements and ping me if interested. Be ready for Meeting in case. The document contains the tentative information of the expected outcomes per milestone Milestone 1: 10$ Milestone 2: 20$ Note: Please dont use chatgpt or other AI tools to summarize and tell me that you understood, I lost money and time with new freelancers who reply using these tools without going into depth and confirm can do and then once awarded, couldnt do.

    €118 Average bid
    €118 Oferta promedio
    21 ofertas

    Overview: This MVP aims to create a real-time platform for connecting customers who need home cooking services with chefs willing to provide them. The platform comprises two primary applications: 1> Customer-facing App 2> Service Provider-facing App (Chef App) The platform facilitates real-time interaction, agreement on service terms, and service delivery at a specified price and time.

    €1321 Average bid
    €1321 Oferta promedio
    47 ofertas

    I'm experiencing an issue with Shopify Payments where payouts are currently on hold due to a bank account update review. I need an experienced Shopify expert to help investigate and resolve this issue. - The issue is currently under review by Shopify support. - I have full access to my Shopify account's support features. - I have already contacted Shopify support regarding this issue and it's pending review. Your main task will be to interact with Shopify support on my behalf to expedite the resolution of this issue. Ideal candidates should be proficient in: - Shopify platform, particularly Shopify Payments - Customer service and support interaction - Technical troubleshooting related to online payment systems Please note, the goal is to resolve this issue as quick...

    €40 Average bid
    €40 Oferta promedio
    22 ofertas

    Project Overview: We are seeking a developer to build a real-time audio processing backend system. The system should process audio data from the frontend, transcribe it, analyze the content type (instruction or response), and generate appropriate outputs using a natural language model (e.g., ChatGPT). Key Requirements: 1. Audio Data Handling: - Ability to receive raw audio data in real-time from the frontend. - Efficient processing of continuous data streams. 2. Speech-to-Text Processing: - Convert the received audio data into text using advanced speech-to-text technology. 3. Content Analysis: - Determine whether the transcribed text is an instruction or a response. - Implement logic to handle both scenarios effectively. 4. Natural Language Processing: ...

    €100 Average bid
    €100 Oferta promedio
    6 ofertas

    IMPORTANT POINTS To Apply: Please submit a detailed plan covering the following points so that we're confident that you understand what you're saying and are actually experienced in this stuff: Development Approach: The technologies you will use (frontend, backend, frameworks, libraries, etc.). Tools and techniques for ensuring the application runs efficiently in a browser. Requirements: List of resources you will need from us (e.g., cloud services, servers, software, etc.). Any external dependencies or services required for development. Free Resources: Identify free or open-source resources you plan to use (e.g., 3D models, libraries, or frameworks). Your application should reflect thorough research and a clear understanding of the project requirements. PROJECT DETAILS 3D ...

    €776 Average bid
    €776 Oferta promedio
    10 ofertas

    I'm seeking a skilled developer to build backend software for my B2B company. The software should have functionalities for order management, customer relationship management, and inventory management. Key Responsibilities: - Develop and implement the software using MongoDB and Google Cloud. - Utilize Google Cloud's Storage Solutions for data storage. - Implement Cloud Firestore (NoSQL document database) for our data storage needs. Ideal Skills: - Proficient in MongoDB and Google Cloud. - Experience with B2B software development. - Knowledge and experience with Cloud Firestore. The goal is to create a robust, efficient and scalable backend software that meets the needs of our B2B operations.

    €1209 Average bid
    €1209 Oferta promedio
    115 ofertas

    I'm in need of a modern and sleek website for my startup. The primary purpose of this site is to provide information and enhance branding. Key sections will include: - About Us - Contact Us - Brand Showcase Ideal candidates for this project should have a strong portfolio in creating contemporary websites, with a keen eye for design and user experience. Experience in brand-oriented web development will be a significant plus.

    €98 Average bid
    €98 Oferta promedio
    96 ofertas

    Looking for a Skilled AI Engineer to Build a Legal AI SaaS Product Together Hi there! I’m a product designer working on an exciting **Legal AI SaaS product**, set to launch in the Middle East. I specialize in crafting user-friendly designs, but I’m looking for a talented **AI engineer** to partner with me. This is **NOT a paid job**—it’s a **business opportunity** for us to build something innovative together. If you’re passionate about creating impactful solutions and ready to invest your skills in something meaningful, let’s talk! ### What I’m Looking For: - **Strong expertise in AI/LLMs** - Proficiency in **front-end and back-end development** - A **growth-oriented, entrepreneurial mindset** ### How We’ll Collaborate: ...

    €18 Average bid
    €18 Oferta promedio
    15 ofertas

    I am looking for a developer who can create a carpooling app focused primarily on safety. The app should be simple, intuitive, and easy to use. It should be available on both iOS and Android. Key Features: - User Ratings and Reviews: This feature will help to build a community of trustworthy drivers and passengers. - Real-Time Location Tracking: Safety is our main concern, and this feature will provide peace of mind for all users. - In-App Messaging: Users should be able to communicate without disclosing their personal phone numbers. - User Registration and Profiles: A simple sign-up process, with the option to create a detailed user profile. - Booking System: A straightforward process for booking rides. - Payment Integration: Secure and easy-to-use payment system. - Safety Featu...

    €1102 Average bid
    Local
    €1102 Oferta promedio
    52 ofertas

    Looking for a full stake of developer to complete the project ( 1 day ) 1. The landing page ( 6landing pages will be given once you are awarded) should have a corporate and professional aesthetic. Includes: • add Registration form: Allows users to sign up for the event. • Event details section: Provides comprehensive information about the event. 2. Email and messager Bursting System • After a user signs up the form in the landing pages above • They should automatically receive reminders for the event email and other messager . • Automation tools like Power Automate or other free solutions should be used (NO paid 3rd party integrations allowed). 3. Backend Dashboard for Admin (option) • The admin should: • Able to upload an Excel file containing a lis...

    €105 Average bid
    €105 Oferta promedio
    111 ofertas

    Looking for a full stake of developer to complete the project . 1. The landing page ( 6landing pages will be given once you are awarded) should have a corporate and professional aesthetic. Includes: • Registration form: Allows users to sign up for the event. • Event details section: Provides comprehensive information about the event. . 2. Email and messager Bursting System • After a user signs up: • They should automatically receive reminders for the event email and other messager . • Automation tools like Power Automate or other free solutions should be used (NO paid 3rd party integrations allowed). Allow upload xcel and blast together with the sign up . Allow grouping of database list. scheduling options for reminders. Option for allowing unsubscrible Allow...

    €107 Average bid
    €107 Oferta promedio
    106 ofertas

    I need to hire a freelancer to create an interactive demo. The requirements are as follows: This demo does not need to actually train a model. It only needs to implement the following functionalities: Understanding User-Described Scenarios with LLM: Utilize a Large Language Model (LLM) to comprehend the scenarios described by the user. Assisting in Building a Virtual Pipeline: Help the user construct a virtual pipeline based on their described scenario. The pipeline should be as simple as possible and divided into the following modules: Data Collection: Allow the user to select data from a specific time period and recommend an optimal time frame based on the scenario and task. Feature Selection: Suggest training features based on the user's objectives. Model Selection: Choose an app...

    €437 Average bid
    €437 Oferta promedio
    84 ofertas

    Програма для сканування автомобільних килимків Написати backend програми для сканування автомобільних коврів через телефон. Мова програмування - Python. Ідея така: Клієнт хоче замовити у нас коврики для свого авто. Для того щоб нам їх виготовити - потрібно мати лекала. Щоб не їхати фізично в будь яке місто для зняття лекал, пропонуємо клієнту самостійно відсканувати через мобільний телефон свої старі автомобільні коврики по одному. Щоб не писати додаток окремо на Android і на iOS пропонуємо зробити щоб програму можна було використовувати через мобільний браузер. Браузер просить доступ до камери, далі по черзі починаючи з водійського коврика клієнт сканує по одному. Це має скоріше всього API приймати фото відсканованого коврика в масштабі та в площині відповідно аркушу A4. Коврик клад...

    €437 Average bid
    €437 Oferta promedio
    18 ofertas

    Looking for a full stake of developer to complete the project before 1 Jan 2025 . 1. The landing page ( 6landing pages will be given once you are awarded) should have a corporate and professional aesthetic. Includes: • Registration form: Allows users to sign up for the event. • Event details section: Provides comprehensive information about the event. . 2. Email and messager Bursting System • After a user signs up: • They should automatically receive reminders for the event email and other messager . • Automation tools like Power Automate or other free solutions should be used (NO paid 3rd party integrations allowed). 3. Backend Dashboard for Admin • The admin should: • Able to upload an Excel file containing a list of attendees to be added to the s...

    €106 Average bid
    €106 Oferta promedio
    124 ofertas

    Looking for a full stake of developer to complete the project before 1 Jan 2025 . 1. The landing page ( 6landing pages will be given once you are awarded) should have a corporate and professional aesthetic. Includes: • Registration form: Allows users to sign up for the event. • Event details section: Provides comprehensive information about the event. • The client will provide samples for design inspiration. 2. WhatsApp and Email Bursting System • After a user signs up: • They should automatically receive reminders for the event via WhatsApp and email. • Automation tools like Power Automate or other free solutions should be used (NO paid 3rd party integrations allowed). 3. Backend Dashboard for Admin • The admin should: • Able to upload an Excel...

    €315 Average bid
    €315 Oferta promedio
    178 ofertas

    Looking for a full stake of developer to complete the project before 1 Jan 2025 . 1. The landing page ( 6landing pages will be given once you are awarded) should have a corporate and professional aesthetic. Includes: • Registration form: Allows users to sign up for the event. • Event details section: Provides comprehensive information about the event. • The client will provide samples for design inspiration. 2. WhatsApp and Email Bursting System • After a user signs up: • They should automatically receive reminders for the event via WhatsApp and email. • Automation tools like Power Automate or other free solutions should be used (NO paid 3rd party integrations allowed). 3. Backend Dashboard for Admin • The admin should: • Able to upload an Excel...

    €309 Average bid
    €309 Oferta promedio
    207 ofertas

    I'm looking for an experienced backend developer to integrate a provided frontend code with the backend and set up a PostgreSQL server for data storage. Key Responsibilities: - Integrate the provided frontend code with the backend - Set up a PostgreSQL server to store various data types - Ensure the server can efficiently store and retrieve user data and product information Ideal Skills: - Proficient in backend development and server setup - Extensive experience with PostgreSQL - Strong understanding of frontend integration The data to be stored on the server includes user data and product information. Your ability to ensure efficient data handling will be crucial for the success of this project.

    €72 Average bid
    €72 Oferta promedio
    29 ofertas

    I'm seeking a developer to create a multi-application system for restaurant management and a digital menu. The project is to be built on Django, breaking down functionalities into various applications. Key Components: - A Django application for the Menu Management Service: This should be the first priority. It will allow restaurant staff to add, remove, or edit menu items. - A Django application for the Menu Viewing Service: This will enable users to view menu items. The menu needs to be presented as an interactive experience with animations. - A Django application for Staff Management: This will help manage restaurant staff. - A Django application for Order Management: This will handle taking and managing orders. The digital menu should categorize items by meal courses, suc...

    €389 Average bid
    €389 Oferta promedio
    35 ofertas

    Looking for a full stake of developer to complete the project before 30 Dec 2024 . 1. The landing page ( 6landing pages will be given once you are awarded) should have a corporate and professional aesthetic. Includes: • Registration form: Allows users to sign up for the event. • Event details section: Provides comprehensive information about the event. • The client will provide samples for design inspiration. 2. WhatsApp and Email Bursting System • After a user signs up: • They should automatically receive reminders for the event via WhatsApp and email. • Automation tools like Power Automate or other free solutions should be used (NO paid 3rd party integrations allowed). 3. Backend Dashboard for Admin • The admin should: • Able to upload an Exce...

    €340 Average bid
    €340 Oferta promedio
    106 ofertas

    Looking for a full stake of developer to complete the project before 30 Dec 2024 . 1. The landing page ( 6landing pages will be given once you are awarded) should have a corporate and professional aesthetic. Includes: • Registration form: Allows users to sign up for the event. • Event details section: Provides comprehensive information about the event. • The client will provide samples for design inspiration. 2. WhatsApp and Email Bursting System • After a user signs up: • They should automatically receive reminders for the event via WhatsApp and email. • Automation tools like Power Automate or other free solutions should be used (NO paid 3rd party integrations allowed). 3. Backend Dashboard for Admin • The admin should: • Able to upload an Exce...

    €331 Average bid
    €331 Oferta promedio
    82 ofertas
    Explicit Filtering Phase -- 2
    Finalizado left
    Verificado

    Explicit Filtering Phase project as discussed in chat for phrase detection and resultant redirect.

    €456 Average bid
    €456 Oferta promedio
    29 ofertas

    Hello! I need someone to build this site for me, ideally if you already have experience in this industry. As a reference I can offer already finished leaked source codes. (needs to be integrated with Bitcoin payment gateway, and I don't want to redirect users, I want it to be displayed everything on my site) (I will provide Bootstrap frontend)

    €171 Average bid
    €171 Oferta promedio
    10 ofertas

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