Desarrollo de base de datos Jobs

I need my application wired to a back-end database so that every new or changed record is reflected instantly on the front-end dashboards. Real-time updates are the only reporting style I will accept; batch or scheduled exports will not meet the requirement. The core work involves: • Connecting the chosen data store to my existing codebase (language-agnostic at this stage; you may recommend SQL, NoSQL, or an in-memory solution after reviewing my load profile). • Building the live data pipeline—triggers, change streams, or pub/sub—as appropriate. • Rendering the real-time views in a lightweight reporting layer so end-users see changes within seconds. • Supplying clean, well-commented code and a short deployment guide that lets me reproduce the setu...

I run an oxygen-cylinder supply business and need a web application that lets me follow every cylinder as it moves through filling, dispatch, customer delivery, return and maintenance, while also showing how long each location has been holding it day by day. Core workflow • Every cylinder will have a unique ID that can be searched or scanned to pull up its full movement history. • When a cylinder changes hands—warehouse to driver, driver to customer, customer back to plant, etc.—the responsible user logs that transaction and the system automatically timestamps it and starts or stops the holding-day counter for that party. • A dashboard should summarise total cylinders in circulation, ones overdue for return, and current holdings by customer or depot. ...

Project Title: Need a Large-Scale Vehicle Database with Phone Numbers I am looking for an experienced freelancer who can provide a large-scale, scalable vehicle database with phone numbers where legally available and authorized for use. Project Requirements: Large vehicle database with scalable access and regular updates. Vehicle registration number. Vehicle make, model, variant, fuel type, and registration year, where available. Associated owner contact phone numbers, only where lawfully accessible and authorized for the intended purpose. Bulk data delivery in Excel, CSV, or database format. API integration option for accessing updated records. Clear information about data coverage, accuracy, and update frequency. A scalable solution for continuously expanding the database. Ple...

I need a clean, up-to-date database of one million business email addresses that can all be accessed through Outlook Web App (OWA). The priority regions are North America, Europe, Australia and Asia, with additional coverage in Australia welcomed if you already have it. The key decision-makers I’m after are CEOs, CFOs and Vice Presidents; any extra senior titles such as COO, Director, Finance or Procurement Manager are a bonus as long as they meet the same verification standards. Every address must be fully validated for OWA deliverability—no bounces, no catch-alls and no generic info@ style records. Before we proceed to the full order, I’ll need a sample file of 500 records so I can run my own spot checks. Once that passes, we will move straight to the remaining 99...

I need a freelancer to extract all data from QuickBooks Online and populate an easy to access relational database for Microsoft PowerBI use. The Freelancer will need to establish a process that pulls QBO data at recuring intervals or establish a live connection QuickBooks and writes to the database, create the database storage system, and train the contractor on maintaining the system. Required Data: - Sales and Invoices - Expenses and Purchases - Inventory - Customer and Vendor Information The ideal candidate should have expertise in: - QuickBooks Online - Relational databases - Microsoft PowerBI - Data integration and ETL processes Please include examples of similar work and ensure you have the necessary skills and experience.

I need a production-ready system that keeps my physical-goods inventory in sync from the moment an online order is placed right through to the automatic purchase of new stock. The core of the job is to connect three workflows—stock-level monitoring, automatic restocking, and order processing—so they work seamlessly as one. Here is what I expect the finished solution to do: • Track on-hand quantities in real time across all my sales channels. • Trigger a restock the instant preset thresholds are reached, create the purchase order, and route it automatically to my supplier’s API or email. • Update order status and stock counts back to the storefront so customers always see accurate availability. I am open to the tech stack, but the system must be r...

We need an Airtable specialist to build a comprehensive, structured database designed to organize thousands of news stories and positive-action initiatives. The database will serve as the foundation for a larger AI-powered story classification system, with external integrations and automation handled separately by our team. Each story will eventually be categorized across three interconnected classification systems: • WHO: Generations, economic classes, races, education levels, income brackets, professions, and BLS occupational categories. • WHAT: 14 transition domains (80 subcategories), 17 UN Sustainable Development Goals, and 152 social, political, and economic issues. • WHERE: Continents, countries, U.S. states, counties, congressional districts, and ZIP codes. These dat...

Azure Data Architect Consultant (Part-time) Engagement: Part-time contract, 10 to 20 hours per week | Location: Remote (India) | Experience: 9 to 14 years About the role We are looking for an experienced Azure data architect to consult on enterprise data platform engagements alongside our delivery team. You will review architectures, diagnose performance problems and guide our engineers, working directly with client stakeholders when needed. What you will do Review and shape Azure data architectures across ingestion, warehouse or lakehouse layers, modelling and reporting Lead performance and cost optimisation on Azure Synapse dedicated SQL pools: diagnosing slow queries from execution plans, fixing data skew and data movement, and choosing distribution, partitioning and indexing strategies...

I'm the founder of NILQuant, an independent record for NIL deals in college athletics. We're looking for a qualified, independent reviewer for a scoped technical review of our core verification engine before its first production release. Scope (summary; full scope attached): - Rebuild our PostgreSQL database from its migration files on your own machine and repeat our test suite and reproduction kit - Check append-only history, two-person release controls, fingerprinting (SHA-256), school-to-school data isolation and a scoped verification API - Test the hosted demo with six test accounts (no admin access) and try to break the controls - Confirm our outside timestamping and write-once storage settings - Written findings, one retest round and a signed scoped conclusion All data is...

I need someone to install and fully configure the latest stable release of MySQL on a Windows-based machine that will act only as a local development server. Your job starts with the clean installation itself—downloading the correct installer, choosing the right configuration options for a single-instance environment, and making sure the service starts automatically with Windows. Once the database engine is in place, please secure it by setting a strong root password, removing test databases, and enabling any recommended Windows firewall rules so it is not exposed beyond the host PC. I will also need one non-root user created with full privileges for development purposes, plus a short verification script or command-line check that confirms connections work from MySQL Workbench and ...

I need my web application, which provides company-related information and is currently integrated with a Firebird database, to be restructured. The database is embedded within the site code and needs to be separated so I can host the main site externally. Key Requirements: - De-link Firebird database from the existing web application. - Ensure the web application remains functional and accessible after separation. - Provide documentation on the new setup for future reference. Ideal Skills and Experience: - Strong experience with Firebird databases. - Proficiency in web application development and restructuring. - Familiarity with documentation and providing post-project support.

I’m gearing up to build a complete web application and I need a full-stack developer who can own the project end-to-end—from shaping the architecture through to deployment and post-launch optimisation. The goal is to deliver a production-ready app that is robust, secure and easy to maintain. Your proposal should be more than a résumé; I’m looking for a detailed project plan that explains: • the overall development approach you would take, • which technologies and frameworks you recommend (and why), • a high-level timeline with clear milestones, and • how you’ll handle testing, documentation and knowledge transfer. Please also outline any similar web apps you have built, highlighting the problems solved and the measurable res...

I need a secure, web-based application that streamlines every key workflow in my optics practice. The core of the platform is an electronic patient record that stores medical history, insurance information, and prescription records in one place, searchable at any time from any modern browser. A dual-mode recall engine must be built in: it should send automated SMS and email reminders while still allowing staff to step in and schedule manual follow-ups whenever needed. The same messaging layer will power day-to-day email and text communication with patients. To keep the team organised, the system also requires an integrated to-do list where tasks can be created, assigned, and tracked through completion. Deliverables • Responsive web interface with role-based access • Databa...

Backend Developer Needed for 4-App Outdoor Geospatial Suite (Lovable Frontend Complete) Ghostbull LLC has engineered the conceptual blueprints, database workflows, and a high-fidelity frontend UI prototype (fully built and locked in on Lovable) for a unified, four-app outdoor geospatial ecosystem. The suite shares a uniform backend data pipeline to keep cloud and server costs drastically low. The 4-App Suite Includes: 1. Flagship Wildlife Interface: A regulatory-compliant hunting/angling field tracker built with a secure, privacy-first spatial data layout to build deep user trust. 2. Coastal Bounty: Localized Pacific Northwest foraging tracking (razor clams, mushroom zones, tide triggers) with offline safety functionality. 3. Bird Tracker: An authentic citizen-science migration tracker usi...

Project Overview: We are seeking an expert Notion Creator and Google Sheets Developer to build a comprehensive, high-value Practice Management System designed for independent therapists and private practitioners. The goal is to create a seamless, professional digital ecosystem that replaces expensive monthly SaaS subscriptions. This product will be delivered as a premium digital download bundle ready for commercial resale. Scope of Work & Technical Specifications: Module 1: Premium Notion Practice System • Client Database: Robust tracking with linked relational records for sessions, notes, and invoicing. • Session Notes & Attendance: Integrated tracking matrix with reusable client page templates for smooth note-taking. • Goals & Progress Tracker: Relational datab...

I’m ready to commission a full-stack solution that turns our current paper-heavy student office into a streamlined digital campus. The first release must focus on student enrolment and records management and be robust enough to let us expand later into timetabling or forum modules if we choose. What the initial build must do • Transcripts & grade tracking – students and authorised staff should see up-to-the-minute results, GPA calculations, and printable official transcripts. • ID card generation – on-demand cards with photos, barcodes/QR and expiry dates, exportable to standard badge printers. Access control Both students and staff will log in to view or update the records appropriate to their role. Please include role-based permissions, single sign...

I need a freelancer to build a database and accounting system. Key Requirements: - Store customer information - Invoice processing functionality - Integration with existing CRM system Ideal Skills and Experience: - Experience in database development - Proficiency in creating accounting systems - Familiarity with CRM integration Please provide examples of similar work done and your approach to this project.

We are looking for a database developer/compiler who can help us develop and maintain our databases. The ideal candidate will have experience with both SQL and NoSQL databases, and will be able to write efficient and reliable code. They will also be able to work with our team to ensure that our databases are up-to-date and meet our needs.