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!

A partir das avaliações de 83,791, os clientes avaliam nosso PostgreSQL Developers 4.85 de 5 estrelas.
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    23 trabalhos encontrados, preços em EUR

    I am seeking a professional with expertise in high-availability PostgreSQL setups to increase the resilience of our current system. We presently have 3 or more databases servers in our environment. I need help with setting up high-availability with streaming replication over two different subnets. I have 3 Ubuntu server VMs running on Hyper-V: UBU01 UBU02 UBU03 I need one "virtual IP" set up so the HA agent can be accessed by various apps online. All three servers should have streaming replication enabled and when the leader goes down, the standby server takes over automatically.

    €53 / hr (Avg Bid)
    €53 / hr Média
    16 ofertas

    I'm looking for an experienced developer to create a seamless wallet system for my website. Here are the key functionalities required: - An ability to make deposits and withdrawals. - Provision of a transaction history. The wallet system needs to connect with a third party Crypto API, so experience with cryptocurrency APIs is a must. The ideal candidate will have: - Solid experience with API integration, especially cryptocurrency-related ones. - An understanding of payment gateway handling. - Demonstrable knowledge of website development and back-end system work. Only bid if you have hands-on experience with these systems and can work within deadlines.

    €80 (Avg Bid)
    €80 Média
    10 ofertas
    ERPNext HRMS Development 5 dias left
    VERIFICADO

    I need an ERPNext developer experienced in creating the system's HRMS module. The key functionalities would be an employee self-service portal and payroll processing. Ideally, the freelancer should be skillful in configuring each aspect of these functionalities. Given that we have less than 50 employees, I'm seeking someone who knows how to customize ERPNext for small businesses. Skills & Experience: - Proven experience in ERPNext HRMS module development. - Ability to fully customize an employee self-service portal and payroll processing. - Experience with ERPNext in small business settings. I would like to request some custom development for the ERP Next HRMS portal. Specifically, I'm interested in incorporating features such as multiple company sign-ins for employe...

    €768 (Avg Bid)
    €768 Média
    13 ofertas

    I am looking for an experienced Go Developer to deploy open source repo at Linux server. We will like to see active sign up and login. We will like: - Good experience with Go - You must be able to deploy the full working repo at the Linux server with SSH access. - Proficient in both technical and non-technical communications Look forward to work with you.

    €25 (Avg Bid)
    €25 Média
    11 ofertas

    I'm seeking a passionate Go expert who can jump in and help me with my web application. Just deploy the open source repo from Github and make its signup and login work with email validation. To be successful in this role, you should have: - Good experience with Go - You must be able to deploy the full working repo at the Linux server with SSH access. - Proficient in both technical and non-technical communications Look forward to work with you.

    €148 (Avg Bid)
    €148 Média
    17 ofertas

    realizar un desarrollo punto de venta de servicios de asesoria y contables

    €452 (Avg Bid)
    €452 Média
    24 ofertas

    I'm experiencing problems with Sequelize associations that need immediate attention from a skilled professional familiar with this database. - Issue: My main problem is association errors, potentially related to incorrectly defined associations or issues with eager loading - Skills Required: - In-depth understanding of Sequelize and its association capabilities - Excellent problem-solving skills, and attention to detail - Prior experience fixing this kind of error is highly preferred - Timeline: I haven't specified a time for project completion but a prompt response and efficient work will be highly appreciated. Please provide your proposed timeline as part of your bid.

    €27 (Avg Bid)
    €27 Média
    14 ofertas

    I need a highly experienced Superset professional who can access data from Postgresql and JSON files to create comprehensive reports featuring tables and graphs. Key Responsibilities: - Setting up Superset - Developing dynamic reports with JSON data - Ensuring accurate and efficient static data representation in reports. Ideal Skills: - Proficiency in Superset - Experience with PostgreSQL and JSON - Proficiency in creating dynamic data visualizations in the form of tables and graphs Design for the reports is not pre-defined, I am open to your creative suggestions. Previous project experience in a similar role will be a major advantage. Showcase your expertise and let's work together to make the data speak for us!

    €8 / hr (Avg Bid)
    €8 / hr Média
    1 ofertas
    Expert Odoo Developer Needed 3 dias left
    VERIFICADO

    We are in need of an exceedingly seasoned Odoo developer to take part in the development and evolution of custom modules for our operation system. Diverse range of Odoo skills is a must. Ideal Skills and Experience: - Must be proficient in Python programming. - Experience in different Odoo modules will be an asset. - AWS hosted. Application Requirements: - Please share your past work experiences, especially those that are Odoo related. - The application should mainly focus on your personal experiences and anything that proves your proficiency in Python/Odoo programming. Further details and specifications will be discussed during our interview. Looking forward to your applications!

    €30 / hr (Avg Bid)
    €30 / hr Média
    74 ofertas
    Odoo attendance break 3 dias left
    VERIFICADO

    I would like someone to modify the check-in system in Odoo for me. On the one hand, I also need a pause button where the time is stopped, and the buttons should also appear on the internal website in Odoo. best where there is a timer running

    €94 (Avg Bid)
    €94 Média
    44 ofertas

    I'm seeking a skilled Golang developer to customize specific parts of an existing Go script. The primary aspects in need of adjustment include the data processing components. Ideal Skills and Experience: • Proven experience with Golang • Familiarity with inherent data processing and error handling mechanisms of Go script. Project Scope: • Script is available at this GitHub Library: • We would like a middleware in form of MySQL/PostGres DB to which we can push data (messages to be sent) from our existing web application. We would like the data to be consumed by the go-script (from table 1) and send messages to appropriate SMSC (Telco) using the script. • We would like the Delivery Reports (DLRs) from Telco's that are sent to the go-script mentioned a...

    €28 - €230
    Secreto
    €28 - €230
    8 ofertas

    I'm looking for a proficient freelancer to create a responsive, intelligent AI chatbot using Next JS and Tailwind CSS. I need someone who can deliver high-quality work and ensure the chatbot is adaptable for future modifications. Your tasks will include: - Creating a Chatbot offering Multi-language Support: The chatbot should be able to interact in English, Spanish, Portuguese and German. - PostgreSQL Database Integration: The chatbot needs to be integrated with my PostgreSQL database hosted on Vercel. Ideal Skills: - Proficiency in Next JS and Tailwind CSS - Experience in chatbot technology and AI - Deep understanding of databases specifically PostgreSQL - Fluent with multi-language support for chatbots - Previous experience with Vercel platform Your expertise will deliver a re...

    €326 (Avg Bid)
    €326 Média
    10 ofertas

    I'm looking for a skilled Java developer to construct an Image Similarity Search application that operates on a Client-Server architecture and relies on a database for image indexing. This application will mainly target the Windows platform. Requirement 1: Initialize a set of images present on the server Description: When the server is launched, it must charge all the images present at the initialization of the software as well as their index in a base of data (see Requirement 3). The folder where images must exist at the server launch. Only the corresponding image sub-folders need to be processed. The sub-folders of the folder images that are not processed. Error Handling: If the image does not exist where the server was launched, an error must be thrown. Tests: Launching th...

    €23 (Avg Bid)
    €23 Média
    7 ofertas

    I'm looking for a talented Python developer with a solid understanding of Django and MySQL. The purpose of this project is to develop a robust database management system. These are some key features that the application should have: - Integration with Django's ORM (Object-Relational Mapping) library. - Custom SQL query functionality for advanced data operations. - A system for data backup and recovery to prevent data loss. You should have a proven track record with both Django and MySQL, and be able to show examples of similar projects you have worked on. A strong understanding of database design and management is a must.

    €6 / hr (Avg Bid)
    €6 / hr Média
    37 ofertas

    I'm looking for a specialist to create a vector database in Azure, aimed at making our rule-based chat bot more efficient in token usage. You will be working with textual data. The tasks involve: - Setting up Azure AI services and integrating with our existing system - Creating a vector database to support our chatbot - Optimizing token usage The ideal candidate should be proficient in Python programming language and has experience working with Azure AI services and rule-based chat bots.

    €202 (Avg Bid)
    €202 Média
    24 ofertas

    Necesito un especialista en Odoo para personalizar la automatización de presupuestos y facturas de Odoo. En particular, estoy buscando que odoo envíe automáticamente una factura proforma al cliente cada vez que recibe un pedido con el conector automático de woocommerce, para tramitar los pagos con Odoo. La persona que busco debería tener: - Experiencia sólida en Odoo y su personalización. - Conocimiento profundizado en la funcionalidad de Facturación en Odoo. - Habilidades para modificar y mejorar sistemas ya existentes. - Capacidad para trabajar de forma independiente o en equipo según sea necesario. El trabajo implicará: - Identificar áreas para mejorar la funcionalidad de la Factura Electrónica - Im...

    €814 (Avg Bid)
    €814 Média
    16 ofertas

    Project Description: We've built a backend API using .NET, but the current frontend, developed in (JavaScript), needs some TLC. We're looking for someone to refactor the frontend code, implement a proper state management solution, connect it to the backend endpoints in the right approach and ensure a seamless user experience. We will provide access to and .NEt API application where actual code is sourced. Your Responsibilities: - Deep dive into our existing application, understanding its structure, design patterns, and coding style. This ensures seamless integration of your modifications. - Revamp the frontend code to make clean API calls to our NestJS backend. - Implement a robust state management solution to effectively handle data within the frontend. - Ensure secure u...

    €574 (Avg Bid)
    €574 Média
    72 ofertas

    I am looking for an experienced Golang developer who can take charge of the comprehensive backend of a project. You will be chiefly responsible for: - API Development: You should be proficient in developing APIs, specializing in functionalities including: - User authentication - Data retrieval and filtering - Data updating and deleting - Microservices Development: You should be capable of efficiently breaking down the API into microservices and manage them effectively. - Cloud Deployment: Another significant part of your role will be to ensure smooth deployment of these services to the cloud. Besides a comprehensive command over the Golang language, an understanding of Postgres and Redis databases will be a required. If you have experience with REST/Websocket and are curious ...

    €532 (Avg Bid)
    €532 Média
    13 ofertas

    I'm currently on the lookout for a highly experienced full-stack developer with an expertise in Nodejs and React Native. Your key job responsibilities will include: - Creating 3-4 backend APIs. - Integrating the APIs with the front-end. - Resolving minor bugs and working on validations. - Retrieving all data from database tables through APIs. The ideal candidate will have: - Proven experience in both Node.js and React Native. - Ability to work well on both the front-end and back-end. - Exceptional skills in database design and implementation. - An understanding of how to retrieve data from tables using backend APIs. If you believe your skills match these specifications, don't hesitate to apply. Let's connect and discuss further.

    €119 (Avg Bid)
    €119 Média
    35 ofertas

    I'm in immediate need of an experienced Python Flask developer to implement database integration into my existing project. I've not specified my chosen database yet, so your flexibility and recommendations here will be appreciated. Your responsibilities will include: - Providing expert advice on the best database for my project requirements - Implementing this database into my Python Flask project - Ensuring efficient and seamless integration of this database Skills and Experience needed: - Proven experience with Python and Flask - Robust knowledge of various databases (MySQL, PostgreSQL, MongoDB) - Ability to work under pressure and meet tight deadlines Your prompt bid in helping me execute this project as soon as possible is all welcome!

    €18 - €152
    Secreto
    €18 - €152
    18 ofertas

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