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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    Senior Python Backend Engineer - AI-based startup 6 วัน left
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    We’re looking for a top-notch Senior Backend Engineer with plenty of hands-on experience building python backend systems and services. You will be working remotely as part of our R&D team, which is composed of experienced (and extremely talented) software engineers. You will be working on the bleeding edge of the evolving LLM ecosystem, building a platform for benchmarking, evaluating and monitoring LLM based systems. You will be building services that run complex evaluation algorithms, running constantly and serving large volumes of requests in parallel. This role will provide you with unique and unparalleled experience with the emerging field of LLM systems and LLMOps, taking a lead on building a first-in-class product in this field. What we seek: * Full time availability (s...

    $28 / hr (Avg Bid)
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    Needing a wizard in backend systems to greatly boost the performance of my Ruby on Rails setup, reducing slow response times from queries and upgrading my Postgres version. Key focus areas: - Improve Database Queries: Current issues with data processing and API request speeds need to be addressed in a comprehensive way. - Enhance Infrastructure: Given the need to support more than 500 concurrent users, the current setup requires an overhaul. - Elevate Ruby on Rails Code Quality: Existing Rails codebase may be contributing to performance issues. Skills & Experience: - Solid expertise optimizing Rails backends, especially for high-traffic sites - Proficient in Postgres database tuning and version upgrades - Familiarity with AWS and scaling for high user volumes - Detailed...

    $52 / hr (Avg Bid)
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    Data Visualization & Interactive Web Project 5 วัน left
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    I'm on the lookout for a skilled Power BI and Web Developer. The project is centered around enabling data visualization and interaction on a web platform. Your primary tasks will be: - **Power BI Data Visualization:** As the main focus of the project, the ideal candidate should have a solid grasp of Power BI and the ability to create engaging and informative data visualizations. The visualization should be easy to understand and visually appealing. - **Interactive Web Development:** The aim of the website is to showcase these data visualizations. Hence, the web development aspect should emphasize: - **Live Data Updates:** Users should be able to view the most recent data. - **User Customization:** There should be options for users to interact with the visualizations, such a...

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    Astro Tawk: Astrology iOS Mobile Application Development Job Advertisement: Proficient iOS Mobile App Developer Needed We are looking for a highly skilled iOS mobile app developer to create an astrological application named "Astro Tawk" with the following features: Key Features: User Account Creation and Storage: • Implement a robust user registration mechanism. • Support Google account integration, Apple integration, and email/password registration. • Store and manage user account attributes: o Email/Username o First Name o Last Name o Place of Birth o Time of Birth Graphical Astrological Chart Generation: • Integrate an internal library similar to “AstroChart” (available on GitHub) for generating visual astrological charts. • Use birth detai...

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    PostgreSQL Developer Expert 4 วัน left
    ยืนยันแล้ว

    I am seeking a skilled PostgreSQL developer specializing in SQL query development and optimization for a project focused on enhancing application performance. Database Design & Development: Design, develop, and implement robust PostgreSQL databases to support business applications. Write complex SQL queries, stored procedures, and functions to support application development. Optimize and fine-tune existing SQL queries for performance improvements Database Maintenance: Monitor database performance and implement changes as necessary to improve performance. Perform database maintenance tasks such as indexing, vacuuming, and analyzing tables. Ensure data integrity and security through regular backups and recovery procedures. Collaboration & Support: Work closely with application d...

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    I'm looking for an experienced PHP developer with good knowledge of Java to create a script that imports specific data from an HTML/PHP form into the Pretix ticketing app. Requirements: - Develop a PHP script that can communicate with the Java-based Pretix ticketing app - Extract and import specific data such as Participant name, Event name, Event date, Ticket type, and Ticket quantity. Ideal Skills: - Strong understanding of PHP and Java - Experience in developing data transfer scripts - Knowledge of the Pretix ticketing app is a plus. Please note that the project requires a seamless data transfer between PHP and Java. A good understanding of both languages will be crucial to ensure the successful implementation of the import function. Your ability to deliver a robust, efficien...

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    Web App for Student Assistance Booking 3 วัน left
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    I'm in need of a web application that will streamline the process of booking students' assistance, maintaining student categories, and giving details about the content of the classes. The ideal tech stack for this project is PHP/Python with database integration. Key Features: - Booking System: The system should facilitate the booking of student assistance through a calendar-based mechanism. It should also enable students to select time slots and check the availability of teachers. - Student Categories: The app should be able to categorize students using tags/labels. This will help in better organization and management of students. - Class Descriptions: The web app should allow the teachers to provide detailed descriptions about the content of the classes they are offering. Idea...

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    Customizing OpenEducat Quiz for Odoo 16 3 วัน left
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    I'm looking for a freelancer who can help me customize the OpenEducat Quiz module to better suit my needs within Odoo 16. The ideal candidate for this project should be experienced with both Odoo and the OpenEducat Quiz module. Key requirements include: - Customizing the quiz layout and possibly adding new features to enhance its usability. - Ensuring the module integrates seamlessly with my existing Odoo 16 ERP system. It's important that the freelancer is not only proficient in technical aspects but also able to understand my specific needs and implement them effectively. A good eye for design and user experience is a plus. I'm open to your suggestions and inputs on how to improve the quiz module to best serve my requirements. If you have the OpenEducat Quiz module ava...

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    I am in need of a talented Full Stack Developer with expertise in Express, React.js, , as well as familiarity with Prisma and PostgreSQL. Your primary task will be to develop a new, engaging web application. Key Responsibilities: - Development of a new web application that is both visually appealing and highly functional, using a tech stack that includes Express and React.js - Implementation of user authentication and authorization to ensure secure access to the application - Real-time data processing for a dynamic user experience - Database management with Prisma and PostgreSQL The ideal candidate will have: - At least 2+ years of experience in Full Stack Development - Proficiency in Express, React.js, - Previous experience with user authentication and authorization - A good understa...

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    Interactive AI & ML Tutorial Platform 3 วัน left
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    Objective: Create a platform offering AI and ML tutorials and career services for students and professionals. It should also have section representing my Resume in interactive way Key Features: Tutorials Section: Content: Text, videos, interactive media. Navigation: Sidebar for easy access to different tutorials. Requirement: Ability to create new tutorials both by admins as well as users similar to medium etc Career Services: Services: Mock interviews, personal guidance sessions. Scheduling: Users can book services for a fee. Resume Page: Need to contain a highly interactive Page for different sections of Resume with dummy text. So that it can be filled later Preferred Technologies Frontend: Framework: with TypeScript. Backend: Framework: Django. Database: PostgreSQL. Note: Tutori...

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    Custom Odoo Module for Invoicing 3 วัน left
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    I'm looking for a skilled Odoo developer to create a custom module for our Odoo 15 system, and compatible through to version 18. This module should allow for consolidated invoicing for parent and child companies. We have customers that are 'child' companies. For example, there are many Mitre 10 stores, which are businesses (‘Companies’ in Odoo speak) in their own right, but also essentially child companies of the Mitre 10 head office. Say for example that we invoice multiple Mitre 10 stores, and they enter and validate the invoices in their system, which is viewable at the Mitre 10 head office. Statements are sent to the Mitre 10 head office, and they pay the account, which includes invoices to multiple of their stores. Normally, Odoo would require these store...

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    NextJS Upgrade 3 วัน left
    ยืนยันแล้ว

    We are looking to revamp our existing news site into a real time media platform. This will involve adding a wide array of different media formats and tools, aimed at improving the user's experience and making the site more interactive and informative. Key Responsibilities: - Maintain existing site and improve - Prototype replacement site - Design and implement a range of new media formats, including videos or podcasts - Develop new tools and apps that will be useful to our audience, such as a news reader, stock market tracking app, or business networking tool - Introduce jobs-related tools or functionalities, such as a job search engine, resume builder, or career advice articles - Migrating away from Vercel Ideal Candidate Would Have: - Strong experience in web development and UI/U...

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    recover damaged database with priority list of products by dump.sql 3 วัน left
    ยืนยันแล้ว

    We are currently seeking an experienced Odoo developer to rectify and enhance the backup functionality within our Odoo 11 Community installation. The current backup process is experiencing issues, and we require an individual capable of identifying and resolving the problem. Responsibilities: Recover the corrupted backup and ensure the file is complete. Successfully install the recovered database in Odoo 11 Community. Maintain data integrity and ensure no data loss during the recovery process. Recuperate list of product high priority id product, name product, cost, sale price, barcode, internal reference and taxes Requirements: - proficiency in Odoo 11 Community - Profound understanding of backup and restoration procedures - Expertise in Python and PostgreSQL - Attention to detail and ...

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    Odoo POS Setup & Configuration Expert Needed 2 วัน left
    ยืนยันแล้ว

    I need an experienced Odoo expert to help me set up and configure my POS system on Odoo 17. Key Requirements: - Configuration of Customer Loyalty Program: I am looking to implement a customer loyalty program as part of my POS system. You will need to set this up and ensure it is functioning properly. - Setting up Multiple Payment Methods: My business accepts a variety of payment methods, and I need these to be seamlessly integrated into my POS system. - General POS Setup: I am seeking assistance in setting up my POS system in Odoo 17. Additional Details: - The ideal candidate should have extensive experience with POS system setup in Odoo. - Experience in setting up customer loyalty programs and multiple payment methods is highly desirable. - Knowledge of Odoo 17 and its features is essen...

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    Scalable PERN Stack India / Pakistan Developer Needed - Hourly $3 2 วัน left
    ยืนยันแล้ว

    I am in need of a skilled PERN stack developer to help me with a project that requires a relational database with a moderately interactive front-end. Key Responsibilities: - Design and implementation of a scalable relational database - Backend development with a focus on clean, scalable code - Creation of a moderately interactive front-end UI Ideal Skills and Experience: - Proven experience with PERN stack development - Proficiency in designing and implementing relational databases - Strong knowledge of backend development and best practices - Ability to create engaging but moderately interactive user interfaces Your work will be pivotal in ensuring the success of this project. Please have a good portfolio ready to showcase your past work in these areas. Looking forward to working wi...

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    Seeking an experienced Ember.js developer with knowledge on backend ROR with postgreSQL tail. I have an open-source community forum built with Ember.js as the front end and need some modifications to the existing code and also need to modify existing CSS template to tailwind.css. I'm looking for someone proficient in Ember.js to make a few adjustments (not major) to meet my requirements and also change the theme from existing standard css to tailwindCSS as a Fixed project.

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    Desarrollador ODOO -- 2 1 วัน left
    ยืนยันแล้ว

    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...

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    Fix User Creation and API Issues for sveltekit 22 ชั่วโมง left
    ยืนยันแล้ว

    I need a sveltekit developer to tackle a few issues on our startet community SveltyCMS project as we reacently changed to database agnostic. **User Creation Fix:** Email Signup /Oauth first user are creating table but not validated When sigin is good, check our API/query as it was recently added so all crud functionality is working for Collections. Implement the same for started drizzle (sql) mariadb /postgres And fix build, currently getting [ERROR]: Error setting up GraphQL: - defined in resolvers, but not in schema We are always open to further enhancements and suggestions... The fixes should be implemented via a pull request. see Auth_fix branch. If u like what u see leave a Star.

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    Self-Hostable tldraw 17 ชั่วโมง left

    I'm looking for a developer who can modify the tldraw project () such that self-hosting the application ("dotcom"/"dotcom-worker"/"dotcom-asset-upload") becomes feasible, ensuring that collaborative features still work Key points: - Modifying the code such that it does not depend on external services - Modifying the code to use PostgreSQL instead of Supabase - Documenting the setup of the application Ideal Skills: - Proficient in Web Development - Skilled in Typescript This project will be ongoing as we customize the self-hosted version.

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    AML Software with API Integration 1 ชั่วโมง left

    I'm looking for a professional software developer to help me create a comprehensive AML and Anti-Terrorism Financing software. The primary features of this software should include a Risk Assessment Tool, Transaction Monitoring System, and Compliance Reporting Module. Key requirements include: - The software should be easily integrable into our existing systems using API. - It should support Custom Data Import/Export capabilities. - There should also be a provision for manual data entries. In addition to the functionality, the software should have a modern and sleek design. It should be intuitive for users and should reflect a high standard of corporate branding. Ideal skills for this project include: - Proficiency in AML and Anti-Terrorism Financing software development. - Exper...

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    recover damaged database หมดเขตแล้ว left
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    A backup was made before a server change, and the backup cannot be properly decompressed because the is damaged and does not allow complete decompression. We have a backup from a month ago, and we want to transfer or recover the data from this database. Currently, we have used tools to recover the ZIP file without success. The database is for odoo v11 community

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