Database Design is an important process that involves designing, creating and maintaining databases for business, scientific, and other applications. This is done to ensure data accuracy, data integrity, and appropriate delivery of information for an organization's internal and external use. A Database Designer is a specialist who is responsible for implementing the database design by creating the necessary programming code to support it.

At its core, Database Design encompasses relation modeling and optimizing the performance of databases through the use of indexing and proper construction of the queries. It also involves improving the usability of an application by providing the correct security settings and authentication measures that protect data from tampering. Database Designers also develop programs to monitor system performance and efficiency while ensuring data integrity throughout all operations.

Here’s some projects that our expert Database Designers made real:

  • Building ER models to represent specific projects
  • Creating SQL and PL/SQL systems for student appointment management
  • Implementing techniques to support database system development
  • Developing relational databases that can include user authentication measures
  • Optimizing a database’s performance with indexing and query construction
  • Designing a Microsoft Access activity tracking system linked to external sources
  • Building tailored Buy/Sell Request forms and systems.

These are just some of the projects our expert Database Designers have completed on Freelancer.com! If you’re looking for someone to help you with your own project, don’t hesitate to post your task on our platform – our leading designers have extensive experience in handling all types of projects related to database management. With their help, you can be sure that your project will be handled with utmost care and efficiency!

From 39,248 reviews, clients rate our Database Designers 4.91 out of 5 stars.
Hire Database Designers

Database Design is an important process that involves designing, creating and maintaining databases for business, scientific, and other applications. This is done to ensure data accuracy, data integrity, and appropriate delivery of information for an organization's internal and external use. A Database Designer is a specialist who is responsible for implementing the database design by creating the necessary programming code to support it.

At its core, Database Design encompasses relation modeling and optimizing the performance of databases through the use of indexing and proper construction of the queries. It also involves improving the usability of an application by providing the correct security settings and authentication measures that protect data from tampering. Database Designers also develop programs to monitor system performance and efficiency while ensuring data integrity throughout all operations.

Here’s some projects that our expert Database Designers made real:

  • Building ER models to represent specific projects
  • Creating SQL and PL/SQL systems for student appointment management
  • Implementing techniques to support database system development
  • Developing relational databases that can include user authentication measures
  • Optimizing a database’s performance with indexing and query construction
  • Designing a Microsoft Access activity tracking system linked to external sources
  • Building tailored Buy/Sell Request forms and systems.

These are just some of the projects our expert Database Designers have completed on Freelancer.com! If you’re looking for someone to help you with your own project, don’t hesitate to post your task on our platform – our leading designers have extensive experience in handling all types of projects related to database management. With their help, you can be sure that your project will be handled with utmost care and efficiency!

From 39,248 reviews, clients rate our Database Designers 4.91 out of 5 stars.
Hire Database Designers

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    15 jobs found

    I need a comprehensive reporting sheet with an integrated database for our engineering team. The tool should capture the following data: - Performance metrics - Maintenance history - Incident reports Functionality requirements include: - Data entry and updates - Data analysis and reporting - Automated alerts and notifications Ideal skills and experience: - Database development - Data analysis - Experience in creating automated alerts and notifications systems Your solution should streamline our reporting process and enhance data accessibility.

    £436 Average bid
    £436 Avg Bid
    108 bids

    I need a full-cycle build of a School Management System delivered as a dedicated mobile app for both iOS and Android. The solution must include a solid back-end, restful APIs, and a well-structured database so that the Admin, Teacher, and Student roles each see only what they should. A classic username-and-password flow is enough for the first release, but it must be implemented securely with proper session handling and encryption in place. Core modules I expect from day one are fee tracking, attendance, timetable, examination results, push notifications, and printable reports. Everything should be responsive to different screen sizes, optimised for low-bandwidth scenarios, and ready for future additions such as two-factor login or parent access without major refactoring. Deliverables ...

    £1470 Average bid
    £1470 Avg Bid
    126 bids

    I am looking for a Senior Backend Software Engineer to help design and build a scalable, production-grade Agentic Data Platform. The project focuses on building backend infrastructure for LLM-enabled data ingestion, enrichment, processing, and discovery across large and complex datasets. The platform should be designed from the beginning to support AI agents, automated workflows, and intelligent data retrieval. What you will work on - Design and implement scalable backend services and microservices - Build APIs using REST and gRPC - Design reliable data ingestion and processing pipelines - Build low-latency streaming and event-driven systems - Work with large-scale PostgreSQL / MySQL databases - Integrate LLMs and AI agents into backend workflows - Build data enrichment and discovery se...

    £23 / hr Average bid
    £23 / hr Avg Bid
    222 bids

    I’m looking for a complete marketplace listing solution built with PHP (latest stable version) and MySQL on the back-end, paired with a native Android app. The web portal should let me manage three distinct roles—Admin, Seller, and Buyer—each with the appropriate dashboards and permissions. Attached Pdf Flie Please Review & Share Your Work Link Listing Market Place link Android App ink Key points I need covered: • Web portal: clean UI for adding, editing, and browsing listings, plus the usual order flow and reports an admin would expect. • Role management: separate logins and capabilities for Admin, Seller, and Buyer, all controllable from the admin panel. • Android app: native code (Java or Kotlin) that mirrors the core buyer experience, supp...

    £343 Average bid
    £343 Avg Bid
    120 bids

    I need a focused staff-management module for our hospital administration team that handles one thing exceptionally well: shift scheduling. The application should let me build, edit, and publish rosters, catch double-bookings instantly, and highlight coverage gaps across wards. Each staff member must have a personal login so they can check their timetable on any device and receive a prompt email or SMS when something changes. Please architect the tool so it can slot into our wider hospital information system later—clean REST endpoints and a clear database schema are important. I’m comfortable with any modern web stack (for example, React or Vue paired with Node, Django, or a comparable back-end) as long as the code is well-documented and easy for our in-house IT team to pick up...

    £13 / hr Average bid
    £13 / hr Avg Bid
    320 bids

    Issue is coming with my Ecommerce Website that again and again Hostinger is Activating query Blocking due to huge request from website. Have to Check the Root Cause of this and make website lighter and bug free.

    £21 Average bid
    £21 Avg Bid
    26 bids

    I’m ready to have our new corporate site built entirely in PHP so we can keep full control of the codebase without relying on a hosted platform. The build should feel clean and modern on the front-end while giving us straightforward admin screens to manage content. Core features I need implemented: • Contact form that validates input and emails the right department • Searchable, profile-style employee directory pulled from a MySQL database • Dynamic news feed I can publish, edit, and archive in seconds • A listings section for our services that I can expand or reorder at any time Please code the back-end in PHP (a lightweight framework such as Laravel or CodeIgniter is fine if it speeds things up) and use standard tools like HTML5, CSS3, JavaScript, and ...

    £66 Average bid
    £66 Avg Bid
    60 bids

    I have an advanced Excel workbook—between two and five sheets—filled with customer data that must live in Microsoft SQL Server. The columns include typical customer fields (name, contact details, account numbers, dates, notes), but a few calculated columns and drop-down validations make the file slightly more complex than a flat table. What I need from you is a repeatable, fool-proof process that moves every row from the workbook into SQL Server while preserving data types, relationships and any necessary transformations (e.g., date formats, trimming extra spaces, converting text “NULL” to actual NULL). I’m open to whatever tool you prefer—T-SQL scripts, SSIS package, Python + pandas, or a lightweight C# utility—as long as it runs on Windows and I...

    £13 / hr Average bid
    £13 / hr Avg Bid
    74 bids

    DESCRIPCIÓN DEL PROYECTO: TOP GEAR & AUTOMOCIÓN OS Buscamos un Arquitecto Full-Stack / Desarrollador Senior experto en Inteligencia Artificial y E-commerce automotriz para desarrollar la plataforma web y sistema operativo Automoción OS / Top Gear. La plataforma es un motor financiero, logístico y aduanero de extremo a extremo que integra catálogos internacionales de vehículos, cotización en tiempo real de importación a Colombia (vía Zona Franca Buenaventura), pasarela de upselling de servicios en destino, automatización de marketing en redes sociales e integraciones omnicanal con portales de clasificados. 1. Motor Paramétrico de Liquidación Financiera (Backend Core) Módulo de Divisas (TRM): Int...

    £801 Average bid
    £801 Avg Bid
    246 bids

    I’m ready to turn a new content-management concept into a fully-functioning web application and need a product engineer who can own the software side from first sketch to production launch. The core goal is to let non-technical users create, edit, organise and publish content through an intuitive browser interface, backed by a solid, scalable architecture. You would guide the technical vision, select the most appropriate stack, set up the database schema, craft the front-end experience and stitch everything together with clean, well-documented code. Secure authentication, role-based permissions, media handling, version control and a straightforward editorial workflow all have to feel seamless for the end user. An API layer for future integrations and basic analytics would be a big p...

    £795 Average bid
    £795 Avg Bid
    117 bids

    I need an e-commerce website built from the ground up that lets visitors locate items quickly through a fast, accurate product-search feature. Everything from the storefront layout to the backend catalogue management should revolve around that smooth search experience so customers can reach any product in only a few keystrokes. Core requirements • Modern, responsive design that works on mobile and desktop • A well-structured product database and search algorithm (live suggestions, filters, typo tolerance) • Easy dashboard where I can add or update products without touching code While user reviews and a full shopping-cart flow could be added later, the initial milestone focuses on putting the catalogue online and making search flawless. Tech stack is flexible—S...

    £336 Average bid
    £336 Avg Bid
    252 bids

    I need a clean, well-structured MySQL database that covers the essentials of a small banking operation. The core modules are: • Account management – creation, updates, balance handling, status flags • Transaction tracking – deposits, withdrawals, transfers, full audit trail with timestamps • Customer information management – personal details, KYC fields, contact history The schema must support three user groups: bank employees, customers, and administrators, each with the right level of access control that can later be tied to an application layer. Deliverables I expect 1. Normalised ER diagram (PDF or image) 2. SQL scripts to create all tables, indexes, constraints, and sample seed data 3. A concise set of stored procedures or views that dem...

    £2717 Average bid
    £2717 Avg Bid
    61 bids

    CANONICAL DATA MODEL Hello, What caught my attention in your project is that the real problem is not simply completing missing features. You already have a product. The challenge is that several parts of that product are beginning to behave as independent systems when they should be operating from the same source of truth. SipVault, the Document Hub, and Form Configuration should not merely exchange data. They should share a coherent domain model. That is where I would begin. Before changing production behavior, I would inspect the current React / TypeScript / Node.js / PostgreSQL implementation, map the existing entities and relationships, identify duplicated or conflicting models, and define the canonical structure that the rest of the application should depend on. From there, the...

    £774 Average bid
    £774 Avg Bid
    160 bids

    I’m working on a database-centric project that touches several parts of our tech stack, and I’d like a hand tightening everything up. The core of the work is MySQL—designing tables, refining queries, and making sure data flows smoothly—but the surrounding codebase is written in Java, Python, C++, C#, JavaScript, HTML, and a little Assembly for low-level routines. Here’s what I need: • Review and optimise the current MySQL schema, indexes, and stored procedures. • Write or clean up data-access layers in Java and Python, with light C++/C# bindings where needed. • Build small JavaScript/HTML utilities that visualise or test the data endpoints. • Ensure each language layer stays in sync after the database changes (compilation checks,...

    £13 / hr Average bid
    £13 / hr Avg Bid
    206 bids

    I’m developing a professional-networking platform exclusively for Android and need the full application coded and ready for launch on Google Play. The core experience centres on meaningful professional connections, so fluid in-app messaging is essential. Users must be able to start one-to-one or group chats instantly and exchange photos or short videos without noticeable delay or quality loss. All accounts will be created and secured through phone-number verification; no email or third-party social logins are planned, so the onboarding flow has to handle SMS code delivery, validation, and graceful error handling. Once inside, users can update a quick profile, search or receive suggestions, start a chat, and share media directly from the camera or gallery. Backend architecture, da...

    £215 Average bid
    £215 Avg Bid
    57 bids

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