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!

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    DSpace Expert for PDF Extraction 6 dní left
    OVĚŘENÉ

    I am seeking an expert on DSpace who is able to handle a task involving the extraction of PDF files and metadata into a comma-separated file. The main responsibilities for this project are: - Comprehensive understanding and experience with DSpace - Ability to extract PDF files and associated metadata - Capability to arrange the extracted data into a comma-separated file Skills and Experience Required: - Knowledgeable about DSpace - Advanced experience with data extraction and arrangement - Strong understanding of databases and data manipulation - Excellent problem-solving abilities This project needs to be completed as soon as possible, so any interested freelancers with immediate availability will be much preferred for this opportunity. Please bid after a thorough understanding of t...

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    I am searching for an expert in Spring Boot (v3) Java (for front it can be react or angular) who has the ability to create a property management system. The system should be comprehensive, including both tenant and property management facilities, as well as maintenance. Additionally, I require the integration of a hotel management system within the same platform, supporting room reservation, guest check-in/check-out, housekeeping, back office and room management, and a central reservation system. There are 3 hotels and 4 houses for rental which will be managed by this system. So, we need to manage all hotels together and separately. Ideal skills & Experience: - Spring Boot (3) Java proficiency - Angular or React - Great UI/UX - Experience in building property management syste...

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    I'm looking for a talented developer or team to craft an omnichannel chat platform designed to streamline communication by integrating it with our existing cloud call center software as a service (SaaS). Our goal is to enhance customer support and engagement by incorporating multiple communication channels into a single, unified interface. **Key Integrations:** - **Messaging Platforms:** WhatsApp, Facebook Messenger, email, and SMS. Additionally, PBX system integration is required to bridge our voice call capabilities with digital communication channels. - **Features:** Essential features we're looking for include: - **File Sharing:** Ability to share documents, images, and videos across all channels. - **Chat History:** Seamless access to previous conversations for co...

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    I'm looking for a professional who can help me deploy an existing application to a remote machine. Key Requirements: - The application is built on JDK7 and uses Java - The main purpose of the app is to function as a web service - The codebase is old and was developed in NetBeans 8 - The application was previously deployed on GlassFish 4 Skills and Experience: - Proficient in Java and JDK7 for code maintenance and deployment - Experience in working with NetBeans 8 for compiling and debugging code - Prior experience in deploying applications on GlassFish 4 - Understanding of web services and their deployment - Familiarity with PostgreSQL for database integration This project will require someone who is experienced in handling legacy codebases and can ensure a smooth ...

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    Project Overview: We are looking for a skilled developer or development team to create a custom form and page builder. This project involves developing a responsive, user-friendly interface that allows users to easily construct web pages and forms using a drag-and-drop system. The final product should leverage the specified technology stack: Flask, ReactJS, TailwindCSS, MongoDB, and PostgreSQL, ensuring a seamless and efficient user experience. Technology Stack: Frontend: ReactJS, TailwindCSS Backend: Python (Flask Framework), Databases: MongoDB, PostgreSQL Ideal Skills and Experience: - Proficiency in front-end technologies, including HTML, CSS, JavaScript, with a specific focus on Flask, ReactJS, and TailwindCSS. - Extensive experience in developing drag-and-drop interfaces, particular...

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    Experto en PostgreSQL para Innovación en Start-Up - Preferencia por Profesionales en Argentina, Colombia o Venezuela Descripción del proyecto: Nuestra Start-Up, en una fase crucial de crecimiento e innovación, busca incorporar a un Experto en PostgreSQL que aporte experiencia y pasión por el manejo y optimización de bases de datos. La persona seleccionada desempeñará un papel fundamental en la implementación, configuración y gestión de nuestras bases de datos PostgreSQL, contribuyendo así a la eficiencia operativa y al desarrollo empresarial mediante soluciones de almacenamiento de datos robustas y optimizadas. Responsabilidades: - Implementar, configurar y gestionar bases de datos PostgreSQL para soportar aplic...

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    Hello and Thank you for being here Need a script that will list all select on all tables in the database; get all tables select * from tablename; and output to a file Already have a script that will do a select on one table but just need a couple lines to add and do ALL tables? Will give a 5 Star Review when this is done and will write such inspiring words for you, when done. Please understand; there is hope you can give your “best” price; been unemployed, and have cancer with bills backing up, $10 possible? Please note $10 is the max total that I can handle for this (doing hourly reduces % fee). Will leave a Glowing paragraph of feedback 5 stars : - ) My funds are low but will pay quick and leave 5 stars. Please give your best possible for your bid ? (something reason...

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    Hola, ¿puedes ayudarme con un MVP? Es una tarjeta virtual para mascotas. Adjunto la documentación para que te hagas una idea. Es algo sencillo con web/landing, webapp y/o app. En caso de que te interese, necesitaría saber: - Disponibilidad para empezar - Plazo de entrega - Presupuesto - Stack tecnológico que vas a usar (front, back, servidor, base de datos, etc.) - Estás tu solo o va a participar alguien más en el proyecto? me gustaría saber que perfiles son - Tienes mascota? Tienes amigos o familia que sean veterinarios? - Has trabajado con APIs? Aunque quizás no sea necesario en el MVP - Que me puedes mostrar que sea algo similar o de referencia que hayas hecho? Dime si tienes alguna duda y quedo a la espera de tus noticias. Un...

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    Hello and Thank you for being here Need a script that will list all select on all tables in the database; get all tables select * from tablename; and output to a file Already have a script that will do a select on one table but just need a couple lines to add and do ALL tables? Will give a 5 Star Review when this is done and will write such inspiring words for you, when done. Please understand; there is hope you can give your “best” price; been unemployed, and have cancer with bills backing up, $10 possible? Please note $10 is the max total that I can handle for this (doing hourly reduces % fee). Will leave a Glowing paragraph of feedback 5 stars : - ) My funds are low but will pay quick and leave 5 stars. Please give your best possible for your bid ? (something reason...

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    Good morning. I need an administration and control system in Ruby on rails. Explanation What I need is an administrative system, what we want to do is create "modules" of services like "odoo_com", what we need is a system that manages all this both for us, the company that offers the services, and for the administrators. that you contract the service.

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    Looking for an experienced Golang / PostgresSQL / AWS Cognito / Clover developer to build a comprehensive backend API. The backend must include functionalities for business and customer registration, discount management, Clover integration, and robust security measures. Key Responsibilities: Backend API Development: Develop a modular and scalable backend API using Golang to support the app's functionalities. Implement endpoints for business registration, customer registration, discount creation, management, and redemption. Customer Registration and Authentication: Design and implement a secure system for customer registration and authentication using AWS Cognito, including email verification and password management. Integrate OAuth for social login options (e.g., Google, Facebook) ...

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    I am in urgent need of an experienced backend developer who's proficient in Java, SpringBoot, and PostgreSQL. The project involves: - Design and develop REST-based web services utilizing Java microservices web frameworks (such as Spring Boot etc.) -Apply design principles and patterns in creating enterprise-level solutions, as needed -Perform web service tuning and performance testing -Engage in code review and feedback process -Take a feature from inception to completion independently across the stack -Collaborate with UX/UI team, Web Frontend Team and Mobile app team. -Participate in and support the entire SDLC processes Experience with similar projects and a quick turnaround time are highly preferred. Please only apply if you have the requisite skills and can meet the urgent de...

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    I am looking for a developer to create a Chrome extension for website scraping. The extension should function similarly to Listly and allow users to create scraping workflows akin to Octoparse. The scraped data should be stored in a PostgreSQL database, and scraping tasks should run at set intervals. For the backend, I plan to use Python with Flask. Additionally, a version control system like Git is necessary. The system should ensure that scraped data is not duplicated; only updated content should be saved. Backups can be created based on the date of the updates. An ideal candidate should have: - Proven experience in Chrome Extension development - Demonstrable skills in web scraping - Strong understanding and practice of ethical web scraping guidelines

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    As a client, I require a sophisticated web app, built to extract MRZ (Machine Readable Zone) from passports and seamlessly integrate this data with our odoo ERP system for efficient customer record management. Key Features: - MRZ Reading: Utilising OCR and AI technologies, the app should be efficient in reading and deciphering MRZ data from passports. A minimum accuracy level for preliminary data collection is anticipated, intending to refine and perfect data manually. - Odoo ERP Integration: The extracted MRZ data should be directly transferred to our odoo ERP, updating customer records, ensuring overall seamless data management. Ideal Skills: - Proficient with OCR and AI technologies - Experience with ID and Passport reading applications - Familiarity with odoo ERP and integrat...

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    The price is $80. delivery time 4-6 days. Design work of the new version of the existing website (artificial intelligence assistant for lawyers). The codes of the membership system and basic features were written. The subject of the website is the processing and interpretation of legal texts. In addition, most of the design of the site has been completed and simpler features will be added. I am looking for a talented professional with a mission to develop a solid and dynamic project. The individual must demonstrate strong proficiency in Python, Django, react, PostgreSQL. I also need a Full Stack Developer who focuses on designing the front end of the website as well as creating a solid backend architecture. The perfect candidate will need to have a comprehensive understanding of all aspec...

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    After updating Dolibarr v11 to v17, database does not update properly. No error was found when it was done, Every step says "ok" It is an example for any categories. Error sample Dolibarr: 17.0.4 - Nivel de funciones: 0 PHP: 7.4.3-4ubuntu2.20 Server: Apache/2.4.41 (Ubuntu) OS: Linux ubuntuserver-i-hellbam 5.4.0-174-generic #193-Ubuntu SMP Thu Mar 7 14:29:28 UTC 2024 x86_64 Agente de usuario: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:124.0) Gecko/20100101 Firefox/124.0 URL solicitada: /product/ Referer: Administrador de menús: Módulos/Aplicaciones: syslog, user, export, propal, contrat, expedition, supplier_proposal, loan, margin, product, tax, stock, notification, mailing, projet, categorie, import, socialnetworks, mycyberoffice, fckeditor, webservices, module...

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    I'm searching for a highly skilled and experienced backend developer proficient in Python, specifically with experience in Django or Flask. As part of the project, you will also need to build RESTful APIs and integrate GPS data. Knowledge of PostgreSQL is essential, as this is the chosen database management system. The system needs to be capable of handling large data sets and be scalable, hence experience with these is paramount. The functionalities I am looking to include in this system are: - Vehicle tracking - Fuel management - Vehicle maintenance - Digital delivery order Previous experience with such functionalities is preferred. Strong unit testing and debugging skills are also critical for this role. Familiarity with ERPNext is a plus. I need a professional who is thorou...

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    DESCRIPCIÓN DEL PROYECTO: Buscamos un desarrollador Full Stack con experiencia en Node.js y bases de datos relacionales (MySQL, MariaDB o PostgreSQL) para desarrollar un sitio web que permita la gestión de clientes y las facturación periódica de los principales productos. La plataforma debe incluir las siguientes vistas: - Información del usuario y sus cuentas bancarias - Cartera de clientes con la información básica de cada uno de ellos - Generación de facturas (en pdf) seleccionando los clientes disponibles y los productos asociados a dichos clientes - Listado de las facturas emitidas Se entrega el mockup de la web y un primer diseño de la base de datos. Para más detalles ver Anexos - Mockup. TECNOLOGÍA EMPLEAD...

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    Presupuesto 125 dólares desarrollo módulo de comisiones por servicio a varios empleados o vendedores. Con reporte que transparente el servicio valor a precio de venta , por ciento , y monto neto a comisionar. Vinculando tarifa de comisiones % a cada servicio y empleado. 2. Agenda de citas a clientes, asignándole un vendedor o empleado; servicio configurar tiempo estimado de duración y bloquear este empleado durante ese tiempo para que no puedan asignarle más citas mientras esté ocupado.

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    Location Booking System 2 dní left
    OVĚŘENÉ

    Introduction: Our company is seeking a skilled developer to enhance our existing location booking software. This system is crucial for our operations, enabling clients to book spaces for events. The software's frontend is developed in Vue, with the backend written in Python, and PostgreSQL serving as our database. The system is containerized using Docker Compose, facilitating development, testing, and deployment processes. Project Scope: The primary focus of this assignment is to refine and expand the frontend functionality of our booking system. However, the successful candidate must also possess the capability to make backend adjustments as necessary. The system architecture is divided into separate Git repositories for frontend and backend+database, each orchestrated with Docker C...

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    I am seeking a developer with intermediate HTML, CSS, and JavaScript proficiency to create 5 modern and aesthetic landing page templates. These templates are for a marketing team focused on the Health & Wellness industry, and should be designed specifically to sell our products. Key requirements: - Design 5 modern, aesthetic and professional landing page templates - Ensure they are easy to edit without needing to touch HTML, CSS or JavaScript - Align all pages with the goal of selling health and wellness products Ideal skills for this job are: - Proficient in HTML, CSS and JavaScript - Experience creating landing pages, especially for product sales - Understanding of the Health & Wellness industry and its market trends - Ability to design with the end user in mind, focusing on ea...

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    I am on the lookout for a seasoned developer or development team that is proficient in creating a feature-intensive GPS tracking system. The primary function of this system is to support the operational efficiency of the school bus community, especially focusing on real-time location tracking. Key Features: - Real-time Location Tracking: This system should effectively display the current positions of the buses on the move in real-time, providing accurate location updates. - Graphical Map Interface: The tracking system should have a user-friendly graphical map interface, ensuring easy reading and understanding of coordinates and real-time tracking. Platform Accessibility: - The GPS tracking system should be adaptable and accessible across multiple platforms, including mobile devices and ...

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    Odoo Devops 1 den left

    Firmamızın fiziksel sunucusunda bulunan OdooV14 Erp ve web Yapılarının testlerle birlikte OdooV17'ye yükseltilmesi. Hetzner/Aws/Googlecloud/Docean vs.'yi Odoo saas kiti ile Bulut Sunucuya aktarıp sorunsuz çalışmasını sağlayabilir misiniz?

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    I am in urgent need of a skilled server specialist, proficient in Python and Postgres, who can assist with setting up my code and database on a DigitalOcean droplet server. Key Responsibilities: - Installing Python code that powers a charting software - Setting up a PostgreSQL database that stores chart data - Creating a new subdomain purposed for hosting the charting software The client hasn't specified a preferred server operating system, so flexibility and strong knowledge of multiple OS platforms would be beneficial. As this project is marked as urgent, the freelancer will need to be available to complete the task as soon as possible. I have the frontend files and backend files in a both in a zip file.

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    1- Show the roles of each user on the site: Show user roles on the site, display the powers held by each user. For example, there can be moderators who have permissions to manage content and users, teachers who have permissions to add and edit lessons and learning materials, and examiners who have permissions to evaluate student performance. 2- Show the exact session in which the student is present: Here, we mean to display the course the student is currently participating in. Session means the class in which the student or committee is present on the platform. When a student is registered for a course, this information is typically stored in their current session.

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    necesito alguien con un manejo solido del marco javascript y todos los lenguajes asociados con .js PERO QUE DE VERDAD QUE SEA UN DESARROLLADOR REAL CON CONOCIMIENTOS SOLIDOS IDIOMA ESPAÑOL PARA UNA COMUNICACION FLUIDA NO REVENDEDORES NO "EQUIPOS" SOLO DESARROLLADORES SOLIDOS Y REALES debe conocer el proyecto whaticket de github (en este proyrcto se basa el trabajo) de github (en este proyecto se encuentra el ejemplo de lo que se busca) ( esta libreria es la que se utilizara para desarrollar la tarea) postgresql integracion externas bien documentadas

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    Hello and Thank you for being here On our Keycloak server have setup a new realm Let me try to frame it up - our keycloak problem statement 1) I have 2 users logins they gave me to get this working to the target / child application - will demo anything using that for you with logins 2) Just getting logged in via keycloak is the challenge I am having - can follow any guidance you give ? 3) the themes do not seem present; but I see them added to the container in the pipeline - or check as you advise ? 5 Star Review when this is done and will write such inspiring words for you, when done. Please understand; there is hope you can give your “best” price; been unemployed, and have cancer with bills backing up, $10 possible? Please note $10 is the max total that I can handle fo...

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    I'm in need of an already developed ecommerce application that leverages PHP and flutter technologies. The application should be compatible with both web and mobile platforms. I intend to host this application myself, thus a local connectivity to SQL*Plus or Postgresql database is essential, and the use of PL/SQL and nested subqueries is also mandatory. • Product Variety: This ecommerce platform should have the capability to sell any type of products or services, with no restrictions on specific industry or category. • User roles: The application should be versatile enough to support multiple user roles, for various administrative and customer functions. Freelancers who have experience in PHP, Flutter, SQL, and ecommerce platforms are ideal for this project. Proven expe...

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    I need an expert who can use the Pentaho tool for a data integration project. My main goal is data cleansing and transformation. Our data sources are diverse - we are dealing with relational databases, flat files, XML, JSON, and manual entry. The tasks include: - Data filtering - Data sorting - Data aggregation - Data validation - Creating dimension and fact tables The ideal freelancer should be skilled in Pentaho and have a solid background in handling various data sources (relational databases, flat files, XML, JSON). Familiarity with data transformation tasks, particularly creating dimension and fact tables, is key for this project. Experience in data validation is also crucial.

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    I need someone to work remotely with me who can login to my machine via teamviewer and we share screen to resolve issues with my django project. This work will be hourly based if you work one hour I will pay one hour if you work 100 hours I will pay you 100 hours. Please note: no code will be shared onky screen share will be allowed. We may share small part of the project as needed but never the full project.

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