PostgreSQL is the world's most advanced, powerful, and efficient open source relational database management system, and some of the world’s most demanding applications rely on PostgreSQL as their primary database management system. PostgreSQL is known for its accuracy, security, and scalability. A PostgreSQL Developer creates ways to store corporate data in a reliable, secure, and efficient way. They can create scalable databases using these technologies - this means that a PostgreSQL Developer can help you keep up with the ever increasing demand for larger amounts of data. They can also develop applications to read from and write to these databases and optimize existing databases for better performance.

Compared to other database management systems, PostgreSQL boasts superior performance, reliability and security. This Database Management System is also renowned for its extensibility, meaning that it allows developers to customize their databases according to the exact needs of their application and load requirements - whether it's a simple web application or huge enterprise scale solutions.

Here's some projects our expert PostgreSQL Developer made real:

  • Developing unique solutions with Odoo Manufacturing & Maintenance Module
  • Connecting web applications with secure REST API integrations
  • Creating data extraction scripts with Nodejs
  • Developing complex SaaS solutions with Laravel/React/AWS
  • Implementing advanced authentication protocols (JWT)
  • Truckloads of migration projects from different AWS stacks & SSO integrations
  • Developing automation & no-code project pipelines leveraging nodejs and python
  • Building serverless Java applications with Springboot and other frameworks
  • Publishing/Hosting express.js & handlebars.js web apps

PostgreSQL technology has been a go-to solution for many clients when creating bespoke applications that meet the needs of their business. Our PostgreSQL Developers have built everything from small custom applications to complex enterprise solutions on Freelancer.com. You too can hire an expert developer here today to make your project happen!

Asiakkaamme antoivat 85,168 arvostelussa keskimääräisen arvosanan PostgreSQL Developers 4.86 / 5 tähteä.
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    23 työtä löytyi, hinnoittelu EUR

    This is the variant table with these fields CREATE TABLE ( id varchar(255) NOT NULL DEFAULT uuid_generate_v4(), name_lang json NOT NULL DEFAULT '{}'::json, data_area varchar(255) NULL, description json NULL DEFAULT '{}'::json, "type" bit(1) NULL, active bool NULL, created_by varchar(128) NOT NULL DEFAULT 'system'::character varying, created_on timestamp NOT NULL DEFAULT now(), updated_by varchar(128) NOT NULL DEFAULT 'system'::character varying, updated_on timestamp NOT NULL DEFAULT now(), CONSTRAINT category_pkey_1 PRIMARY KEY (id) ); this is the variant data table with these fields CREATE TABLE public.variant_data ( id varchar(255) NOT NULL DEFAULT uuid_generate_v4(), name_lang json NOT NULL DEFAULT '{}'...

    €15 (Avg Bid)
    €15 Keskimäär. tarjous
    3 tarjoukset

    I'm looking for a skilled NodeJS NestJS TypeScript developer with a solid understanding of event-driven architecture. The project involves developing a web application with certain key functionalities. Key Functionalities: - User Authentication and Authorization: The application should have a secure and robust user management system with authentication and authorization features. - CRUD Operations: The developer needs to implement Create, Read, Update, and Delete operations for the application's data. Requirements: - Profound knowledge in Event-Driven Architecture: Understanding of event-driven architecture is essential for the successful implementation of this project. - REST API Development: Extensive experience in developing REST APIs is necessary. - Web Development: The ta...

    €6 / hr (Avg Bid)
    €6 / hr Keskimäär. tarjous
    23 tarjoukset
    Website de busca de empregos 6 päivää left
    VARMENNETTU

    Preciso de um desenvolvedor fullstack angular + Java + Postgresql spring boot para criar um website de vagas de emprego. O sistema terá as seguintes funcionalidades: Segurança: Cadastro e Login com keycloak Administrador: cadastrar pacotes de acesso (depois será integrado com o meio de pagamento, não neste momento), gerenciar categorias de empregos, listar usuários e visualizar adesões de pacotes. Visão usuário: Aderir a um pacote de acesso, listar vagas existentes, cadastrar currículo usando formulário, um dos campos será o próprio currículo em PDF. Visão empresa: Cadastrar vagas de emprego, visualizar candidatos em uma determinada vaga

    €129 (Avg Bid)
    €129 Keskimäär. tarjous
    19 tarjoukset

    I'm seeking a talented and experienced developer for the creation of a business proposal management platform. This platform is specifically tailored to meet the needs of procurement teams within large organizations. Responsibilities: Incorporate a design from an existing wireframe and build the interface in React.js. Features: Create and verify user accounts Ability for user to log in, add authentication features See existing projects on a dashboard Create a new project Upload PDF documents, allow for secure storage and easy organization Send documents to an AI LLM API for processing (via Lambda) Handle results and store in PostgreSQL Implement secure payment systems and automatic notification features Provide scripts for provisioning resources in AWS Adhere to best practices fo...

    €902 (Avg Bid)
    Salassapitosopimus
    €902 Keskimäär. tarjous
    57 tarjoukset
    Odoo Custom Module Development 6 päivää left
    VARMENNETTU

    I require an Odoo developer to create a custom module for my business. The primary goal of this module is to improve our data accuracy. The module should include the following: -User Management - Integration with other system to fetch data - Automate the work The module initially build using x-studio however require to do some modification and integration We are currently using odoo v15 The module should integrate seamlessly with our existing systems, primarily through API integration. A successful candidate should have experience in creating Odoo custom modules, a strong understanding of API integration, and a proven track record of improving data accuracy in previous projects.

    €18 / hr (Avg Bid)
    Salassapitosopimus
    €18 / hr Keskimäär. tarjous
    22 tarjoukset
    Instagram Data Retrieval Tool 6 päivää left
    VARMENNETTU

    I'm seeking a skilled developer to create a web-based Instagram API. This tool will be used to retrieve and store as well as regularly refresh public data for users, their followers, and their activity without requiring any kind of user account level platform authentication. Key Requirements: - The tool will retrieve public user profile details, follower/following lists, and user posts and activities. - This will be a basic, scalable "querying" style tool - designed to retrieve data in bulk for many accounts. - The initial focus is on any available public data that does not mandate authentication or tokens. - Compliance with platform rules and API limits is a must while maximizing scalability Ideal candidate will: - Have experience with Instagram (and ideally similar influ...

    €32 / hr (Avg Bid)
    €32 / hr Keskimäär. tarjous
    33 tarjoukset
    Desarrollador ODOO 5 päivää left
    VARMENNETTU

    Estamos buscando un desarrollador con experiencia en ODOO para unirse a nuestro equipo. El candidato ideal deberá tener sólidos conocimientos en el desarrollo de módulos personalizados, integraciones y personalización de ODOO. Será responsable de colaborar en el diseño, desarrollo e implementación de soluciones basadas en ODOO para satisfacer las necesidades de nuestros clientes. Responsabilidades: - Desarrollar módulos personalizados y realizar customizaciones en ODOO. - Colaborar en la integración de ODOO con otros sistemas. - Participar en el diseño y desarrollo de soluciones basadas en ODOO. - Realizar pruebas y depuración de código. - Mantenerse actualizado sobre las últimas tendencias y tecnol...

    €12 / hr (Avg Bid)
    €12 / hr Keskimäär. tarjous
    7 tarjoukset

    I'm looking for a skilled developer to create a custom appointment booking system, akin to popular solutions like Amelia, Bookingpress, or Calendly, using Svelte or Sveltekit. I do not have any fixed budget in mind, if you can provide quality we can adjust the budget accordingly. Key Features: - Online appointment scheduling - Seamless calendar integration - Automated reminders - Page creation Users: The system will cater to three distinct user types: - Customers: Those looking to book appointments - Service Providers: Entities offering services and managing their availability - Administrators: Responsible for overall system management Appointment Booking: - The primary booking method will be through a dedicated website. Ideal Skills & Experience: - Proficiency in Svelte/Svel...

    €790 (Avg Bid)
    €790 Keskimäär. tarjous
    37 tarjoukset

    I am looking for an experienced Full Stack developer with experience in TypeScript to rewrite the existing codebase of a web application. We have a copy of the old code base and all the tech stack interactions but require the code to be rewritten as we no longer have rights to the current webapp. Ideal Skills: - Proficient with TypeScript - Hosting with Vercel and Neon - Code review and improvement - Strong knowledge of software development principles and best practices. Please mention your relevant experience when bidding for the project and provide a brief explanation of how you plan to approach this task. Details will be ironed out once the freelancer has been chosen.

    €2642 (Avg Bid)
    €2642 Keskimäär. tarjous
    79 tarjoukset
    Instagram System 5 päivää left
    VARMENNETTU

    All the informations are there:

    €1347 (Avg Bid)
    €1347 Keskimäär. tarjous
    43 tarjoukset

    I need an experienced NextJs (ShadCn) + Prisma (Postgres) developer to build an E-commerce application within a week. Key Requirements: - I already have a DB schema for the App and all the flows mapped out - Need someone to build a test taking app - Users can create online test, generate links and take test using the application - The whole app will be less than 10 pages - The App will have a lot of funtionality like generating common test link, session specific test link, generating test scores/result, question bank support, dynamic questions... The ideal candidate should have: - Solid experience in NextJs, ShadCn, and Prisma. - Proven track record in E-commerce application development. - Ability to deliver high-quality work under tight deadlines. Please only apply if you are co...

    €633 (Avg Bid)
    €633 Keskimäär. tarjous
    22 tarjoukset
    Profesor para crear módulos en Odoo -- 2 4 päivää left
    VARMENNETTU

    Hola, quisiera un tutor/profesor para aprender a crear módulos en Odoo. Quisiera aprender creando módulos reales. Interesado en 2 o 3 veces por semana

    €484 (Avg Bid)
    €484 Keskimäär. tarjous
    35 tarjoukset
    HTML5 Casino Game to Flask Backend 4 päivää left
    VARMENNETTU

    I’m looking for a skilled developer who can convert my existing HTML5 Casino Game to an online Flask Backend. The backend should integrate with a PostgreSQL database. Key Functionalities: - User Registration and Login: Implement a secure user registration and login system that allows players to create accounts and access the game. - Game Settings Management: Develop a platform that can manage the game settings, with a particular focus on the Slot Machine settings. These include Win Occurrence, Free Spin, Balance, and other relevant parameters. - Database Integration: Connect the Flask backend to the PostgreSQL database so that it can store and retrieve the necessary game and user data. Ideal Skills and Experience: - Proficiency in Flask and PostgreSQL. - Previous experience in conv...

    €150 (Avg Bid)
    €150 Keskimäär. tarjous
    48 tarjoukset

    En nuestra empresa de Software, tenemos proyectos en Java, y necesitamos aumentar la fuerza de desarrollo, por ellos queremos sumar algunos freelance que trabajen por hora con nosotros

    €7 / hr (Avg Bid)
    €7 / hr Keskimäär. tarjous
    29 tarjoukset

    We are seeking a professional and experienced development team to build a comprehensive online marketplace for collectibles. The platform will include both web and mobile applications, providing users with the ability to buy, sell, trade, showcase their collections, and interact with other collectors. The project encompasses advanced features such as live sales, image recognition, and a robust community engagement system. Project Overview: Key Requirements: User Accounts and Profiles: Secure user registration and login Profile management with collection tracking and wishlists Customizable user profiles Product Listings: User-submitted items with high-resolution images, detailed descriptions, prices, and availability Categories and subcategories for easy navigation Advanced search and f...

    €18 / hr (Avg Bid)
    €18 / hr Keskimäär. tarjous
    24 tarjoukset
    Desarrollador Odoo Experto -- 2 2 päivää left
    VARMENNETTU

    El Desarrollador de Odoo Experto será responsable de diseñar, desarrollar e implementar soluciones empresariales utilizando la plataforma Odoo. Este rol requiere un profundo conocimiento de los módulos de Odoo y la capacidad de personalizarlos según las necesidades del cliente. Responsabilidades Clave: Desarrollo y Personalización: Diseñar, desarrollar y personalizar módulos de Odoo según los requisitos del cliente. Integración de Sistemas: Integrar Odoo con otros sistemas empresariales y aplicaciones de terceros. Migración de Datos: Planificar y ejecutar la migración de datos desde otros sistemas a Odoo. Soporte y Mantenimiento: Proporcionar soporte técnico y mantenimiento continuo de las implementaci...

    €16 / hr (Avg Bid)
    €16 / hr Keskimäär. tarjous
    8 tarjoukset

    I'm looking to enhance the security of an existing application by integrating Spring Security. The primary objective of this integration is to secure the API endpoints within our business application. Key Requirements: - Implement Spring Security: The main task of this project is to set up Spring Security within the existing application. This should include securing our API endpoints to ensure that only authorized users can access them. - Maintain the Existing Application: It's important that the integration is done in such a way that the existing functionalities of the application are maintained and not compromised. - Testing and Documentation: The freelancer will be expected to thoroughly test the security measures and provide clear and comprehensive documentation of the impl...

    €21 (Avg Bid)
    €21 Keskimäär. tarjous
    14 tarjoukset
    Role-based User Access Control System 1 päivä left
    VARMENNETTU

    I need an access control system that's structured based on the roles my users have, similar to the old system. Key Requirements: - I need the system to manage user permissions on an individual basis. This means that each user should have unique permission settings. - The system doesn't need to have options for temporary or time-based access permissions. Ideal Skills and Experience: - Strong background in access control systems. - Experience implementing role-based access control is essential. - Proficiency in customizing user permissions on an individual basis in a system.

    €40 (Avg Bid)
    €40 Keskimäär. tarjous
    23 tarjoukset

    I'm seeking a proficient Odoo 16 developer who can build a tailor-made module, intended to automate customized workflows and seamlessly integrate with external systems. Here are the key functionalities I require: - the project will be able to generate PDF report/certificate based on the templates and information given and inputted by the user - there will be a way to track the status of the report and certificate whether it's being reviewed or already approved - there will be roles inside that will limit the access of each role to the module. Ideal candidates for this project are proficient in Odoo 16 development with experience in workflow automation and systems integration. Understanding of User interface design for clear task visualization is highly valued. With your help, o...

    €1063 (Avg Bid)
    €1063 Keskimäär. tarjous
    28 tarjoukset

    I'm looking for a seasoned developer knowledgeable in ReactJS and NestJs to expand my existing CRUD application. Here are the features I need: 1. Buying and Renting Functionalities: The app should handle not only cars but also apartments. The interface needs to cater to both clients and admin. The system currently only has admin view on the frontend, views for the customer should be implemented. Im open to discuss how to best implement this. 2. Advanced Audit Functionality: I want to ensure system integrity through audit trails. Capability to track one critical element of the system and to record login/logout sessions is a must. 3. Google Maps Implementation: I'm open to suggestions on how this could enhance the app and the user experience. Experience in online marketplace de...

    €169 (Avg Bid)
    €169 Keskimäär. tarjous
    30 tarjoukset

    I have a website. Need one page change dynamic from static. I have an admin panel also need control that page from admin panel. Also need a new user for admin panel with some limits. For example new user should edit only news section. Database is on postgresql.

    €146 (Avg Bid)
    €146 Keskimäär. tarjous
    126 tarjoukset

    I'm in need of an expert who can integrate my Odoo 17 system with Power BI and ensure that data is synchronized every hour. Key Responsibilities: - Develop a seamless integration process between Odoo 17 and Power BI - Ensure that the data is synchronized every hour - Provide a secure and reliable system for the integration Ideal Skills and Experience: - Proficient in Odoo 17 - Experienced with Power BI - Expertise in data synchronization - Previous experience with hourly data sync would be a plus

    €14 / hr (Avg Bid)
    €14 / hr Keskimäär. tarjous
    27 tarjoukset

    Our development team just wrapped up front end development for a large-scale website. At this critical juncture, we're seeking advice to ensure that our back-end databases - PostgreSQL and Cassandra - will be optimally performing and highly available. Key areas of consultation include: - Performance optimization strategies - Replication and high availability options - Ideal design of databases to accommodate the scale of our website Ideal professionals would bear extensive experience with both PostgreSQL and Cassandra databases, as well as a keen understanding of integrating front-ends to back-end databases. Your prior work with large-scale website infrastructures will greatly benefit our project. Database optimization and design aptitude is a crucial requirement for this task.

    €33 / hr (Avg Bid)
    €33 / hr Keskimäär. tarjous
    32 tarjoukset

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