Hire the Best Relational Databases Specialists

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Charles R.

Phoenix, Arizona

$35/hr
4.5
102 jobs

INTRODUCTORY I am a Advanced/Expert Microsoft Access Developer with over 20+ years (since 2001) Access experience. I can import/export your data, I can either modify an existing system or design a system from scratch based on your requirements, recommendations and direct input. I have many professional references that can attest to my easy-to-use, professional, robust and economical Microsoft Access databases. I am a great communicator and great documenter and can provide necessary training as needed. From a technical prospective, I fully utilize VBA coding (not macros) for my development style, I am well experience in SQL and can assist with older versions of Microsoft Access. I am very timely and available to discuss your system needs within a few minutes of our initial conversation. Find below some of my Microsoft Access Database Accomplishments: • Designed 7 Access DB’s for various teams to track productivity, appeals, complaints, etc. • Assisted in 20% decrease in TAT (turn-around-time) by creating 3-month analysis reporting • Designed Microsoft Access database used by 20+ users to store and track “do-not-call” members) • Designed Microsoft Access database that automated a previous manual process (saves 4.5 man hours) • Designed Microsoft Access database for handling over 600,000+ transactions per year and calculations. • Created email and fax interface ability within Microsoft Access System. • Designed Microsoft Access database responsible for State Parks reservations (55 state parks) • Designed Microsoft Access Payroll system, accruals, W-2 printing, weekly paychecks. • Designed Microsoft Access Elderly Abuse Tracking for Clark County (Las Vegas). • Designed Microsoft Access System for Storage Units. • Designed Microsoft Access System to track employees qualifications for working at Refineries. • Designed Microsoft Access System for tracking & entering cell phone payments. • Designed Microsoft Access Video check out system (equivalent to Block Buster). • Designed Microsoft Access Bail bond system (still current/active) • Designed Microsoft Access Payday Loan system (still current/active) • Designed Microsoft Access Title Loan system (still current/active) • Designed a time tracker/cost system keeps track of employee’s time (still current/active) • Designed Microsoft Access Asset Tracking System • Designed Microsoft Access Certified Training/Curriculum system • Designed Microsoft Access Salary Review/Compensation Tracker system for bonus structures • Upgraded many MS Access databases from previous version (i.e. 2000 to 2003 or 2003 to 2010, etc)

  • SQL
  • Microsoft Access
  • Database Design
  • Microsoft Access Programming
  • Data Analysis
  • Database Management System
  • Microsoft Excel
  • Database Development
  • Data Management
  • ODBC
  • Data Scraping
Sunil S.

Plainsboro, New Jersey

$50/hr
5.0
52 jobs

• Azure SQL, Power BI, Azure Data Factory & Databricks working from last 4 years. • Highlight proficiency in Power BI Desktop, Service, DAX, M, and Data Modeling. • Converted SSRS Report to Power BI. • Extensive experience in T-SQL writing complex Queries, Stored Procedures, Functions, Triggers and Views. • Experience in Performance monitoring, SQL Profiler, Tuning, Query Optimization. • Experience in Replication Models (Snapshot/Transactional). • Employed SQL Server database to create and maintain Data Marts. • Experience in logical and physical database design, data structures, and data modelling. • Experience defining Data Warehouse (star and snow flake schema), fact table, cubes, dimensions, measures using SQL Server Analysis Services. • Experience in designing and implementing ETL packages using SSIS 2017/2016/2014 for integrating data using OLE DB connection from heterogeneous sources (Excel, CSV, Oracle, flat file, Text file, Teradata) using multiple transformations available in SSIS toolbox such as Data Conversion, Conditional Split, Bulk Insert, Merge, Lookup and Union all. • Experience developing SSAS Cubes, Aggregation, KPIs, Measures, Partitioning Cube, Data Mining Models, and deploying and Processing SSAS objects. • Expert in designing Enterprise reports using SQL Server Reporting Services. Generated Drill down reports, Parameterized reports, Linked reports, Sub reports, Matrix reports and Cascaded reports in SSRS 2017/2016/2014.

  • Database
  • SQL Server Integration Services
  • Microsoft SQL Server Reporting Services
  • SQL Programming
  • Databricks Platform
  • Microsoft Azure SQL Database
  • Transact-SQL
  • Microsoft Power BI Development
  • MySQL Programming
  • Database Management
  • Data Migration
  • Data Modeling
  • Database Administration
  • Database Architecture
  • Business Intelligence
  • Microsoft Power BI Data Visualization
Oluwapelumi O.

Ikeja, Nigeria

$15/hr
5.0
71 jobs

Hi, I’m a No-Code Developer helping startups, founders, and agencies build AI-powered apps, MVPs, and automation systems quickly and cost-effectively. I specialize in turning ideas into fully functional products using tools like Bubble, Glide, Adalo, Softr, Airtable, and AI integrations such as OpenAI and Claude. If you’re looking to launch fast, validate an idea, or automate your business without the cost of traditional development, you’re in the right place. I don’t just build apps, I design systems that solve real business problems. 💡 What I Can Help You With • Build scalable web & mobile apps using Bubble, Adalo, Glide, and Softr • Create powerful backends and databases with Airtable • Integrate AI (ChatGPT, OpenAI, Claude) into your app or workflow • Automate operations using Zapier, Make, and n8n • Develop MVPs for fast validation and iteration • Build CRMs, dashboards, and internal tools • Streamline workflows to save time and reduce manual work ⚡ Why Clients Work With Me - I focus on speed, clarity, and results. - From wireframe to launch, I combine: - Smart automation strategy - Clean, user-friendly design - Scalable system architecture So you get a product that not only works but grows with your business. 🚀 Call to Action Have an idea or need to improve an existing system? Let’s talk. I’ll help you turn it into a working product faster than you expect.

  • Adalo
  • Airtable
  • AI Agent Development
  • OpenAI API
  • Automation
  • API Integration
  • n8n
  • Zapier
  • Python
  • Full-Stack Development
  • Next.js
  • React
  • AI App Development
  • Chatbot Development
  • Supabase
  • Node.js
  • Prompt Engineering
  • Web Application
  • Database Architecture
  • Claude
Nasimul I.

Dist: Gaibandha, Bangladesh

$25/hr
4.9
476 jobs

MS Access | VBA | SQL Server | MySQL | Business Automation Specialist | SharePoint Specialist I help businesses automate operations, reporting, and internal workflows using MS Access, Python, VBA, MySQL and SQL Server. With 15+ years of experience and 12,000+ Upwork hours, I design structured database systems that replace spreadsheets, eliminate manual errors, and improve reporting efficiency. What I Specialize In: ✔ Full database architecture (from concept, Excel mockup, or redesign) ✔ Relational database modeling & normalization ✔ Multi-user Access systems (LAN / SharePoint / SQL Server backend) ✔ Role-based login & user-level permissions ✔ Advanced VBA automation ✔ Performance optimization & database repair ✔ Excel / CSV import-export automation ✔ Analytical dashboards & dynamic reporting ✔ SQL query development & reporting logic My Approach: Many Access databases become unstable over time due to: Poor structure Unoptimized queries Weak VBA organization Lack of scalability planning I focus on long-term maintainability, performance, and clean architecture. If you need a professional MS Access system that works reliably for years — I can help. — Nasimul

  • Desktop Application
  • Microsoft Access
  • Python
  • Microsoft Access Programming
  • Microsoft SharePoint
  • Microsoft SQL Server
  • MySQL
  • SQL
  • Database Programming
  • Database Administration
  • PHP
  • ODBC
  • Database Maintenance
  • Microsoft Office
  • Customer Relationship Management
  • Microsoft Excel
April Joy B.

Orangeburg, South Carolina

$45/hr
5.0
18 jobs

I am a Data Architect with a MCSA: SQL Server 2012/2014 certification. I have over 15 years of experience writing SQL/T-SQL queries and managing the Charleston County School District's internal relational data warehouse which is stored on a SQL Server. I develop C# applications in Visual Studio to accommodate user needs and as a way to provide accurate information to schools in regards to state accountability measures. I create and maintain SQL Server Integration Services (SSIS) packages that import the PowerSchool SIS Oracle data into a local SQL Server to be used for ad-hoc reports, and for the data integration into multiple vendor software systems, and automated 10+ scripts to streamline these data uploads into vendor software on a nightly basis. I also create and maintain student-level dashboards in SQL Server Reporting Services, which are used during teacher conferences. I am very efficient and dependable, and I am interested in helping other companies with their SQL and and web development needs.

  • Relational Database
  • Database
  • SQL
  • Database Administration
  • Microsoft SQL Server
  • Transact-SQL
  • SQL Server Integration Services
  • Microsoft Excel
  • SQL Programming
  • Database Management System
  • Data Integration
  • Microsoft SQL Server Programming
  • Microsoft SQL Server Administration
  • Database Management
  • Microsoft SQL Server Reporting Services
Neil C.

Oroquieta, Philippines

$20/hr
4.7
16 jobs

🚀 Full-Stack Developer | AI Engineer | Technical Team Lead I'm a Full-Stack Developer and Technical Team Lead with 20+ years of experience building secure, scalable, and high-performance web applications for startups, SMEs, and enterprise clients. My core expertise includes ColdFusion (Adobe & Lucee), Python, PHP, JavaScript, React, SQL, REST APIs, cloud infrastructure, and enterprise software architecture. I specialize in developing clean, maintainable, and business-critical applications that deliver measurable business value. Recently, I've expanded into AI Engineering, designing intelligent solutions using Claude Code, OpenAI, LangChain, Hugging Face, RAG, Vector Databases, AI Plugins & Skills, Cowork Automation, and Autonomous AI Agents to automate workflows, improve productivity, and accelerate software development. 🏆 Top Rated Plus Freelancer | ⭐ 100% Job Success | 💼 20+ Years of Professional Experience 💡 Core Expertise ✅ Full-Stack Web Development ✅ AI Engineering & Intelligent Automation ✅ Claude Code Development ✅ AI Applications, Plugins & Skills ✅ Autonomous AI Agents & Multi-Agent Systems ✅ Business Automation with Cowork ✅ Python • ColdFusion • PHP ✅ JavaScript • React • HTML5 • CSS3 ✅ REST APIs & Third-Party Integrations ✅ SQL & Vector Databases ✅ Cloud • Docker • Linux • Windows Servers ✅ Technical Leadership & Project Management 🤖 AI Engineering Skills Claude Code OpenAI API LangChain Hugging Face Python for AI Prompt Engineering Natural Language Processing (NLP) Retrieval-Augmented Generation (RAG) AI Plugins & Skills Development AI Workflow Automation Autonomous AI Agents Multi-Agent Systems Enterprise AI Integration LLM Application Development AI-Assisted Software Engineering ⭐ Selected Projects 🤖 AI Business Automation Built AI-powered workflows for content generation, document summarization, customer support, and business process automation using Claude Code, OpenAI, and LangChain. 🏢 Enterprise Management Platform Architected and led development of a multinational operations platform supporting thousands of daily users. 🛒 E-Commerce Solutions Developed secure multilingual e-commerce platforms with payment gateway integrations, analytics, and automated reporting. 🔄 Legacy System Modernization Migrated enterprise ColdFusion applications to modern MVC architectures, cloud-ready deployments, and containerized environments. 🤝 Why Clients Hire Me ✔ 20+ years of enterprise software development experience ✔ Proven technical leadership and project delivery ✔ Strong expertise in AI Engineering and intelligent automation ✔ Clean, secure, scalable, and maintainable code ✔ Clear communication and complete transparency ✔ Reliable, on-time delivery with long-term support 🌟 Let's Build Something Exceptional Whether you need a custom web application, enterprise platform, AI-powered solution, Claude Code development, business automation with Cowork, or autonomous AI agents, I have the experience and technical expertise to transform your ideas into scalable, production-ready solutions. 📩 Let's connect and build something exceptional together!

  • Relational Database
  • AJAX
  • WordPress
  • JavaScript
  • PHP
  • jQuery
  • Bootstrap
  • Joomla
  • Adobe ColdFusion

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How to Hire Top Relational Database Developers

Knowledge is power, but only if you have the means to reliably capture, store, and retrieve the data you generate and collect. Relational database developers can help you build and manage software infrastructure that supports your business processes and digital products.

So how do you hire relational database developers? What follows are some tips for finding top relational database developers on Upwork.

How to shortlist relational database professionals

As you’re browsing available relational database consultants, it can be helpful to develop a shortlist of the professionals you may want to interview. You can screen profiles on criteria such as:

  • Industry fit. You want a relational database developer who understands your industry so they can help you figure out how best to reach your target market.
  • Project experience. Screen candidate profiles for specific skills and experience (e.g., building relational database solutions with Apache Cassandra).
  • Feedback. Check reviews from past clients for glowing testimonials or red flags that can tell you what it’s like to work with a particular relational database developer.

How to write an effective relational database job post

With a clear picture of your ideal relational database developer in mind, it’s time to write that job post. Although you don’t need a full job description as you would when hiring an employee, aim to provide enough detail for a freelancer to know if they’re the right fit for the project.

An effective relational database job post should include:

  • Scope of work: From database setup to data analysis, list all the deliverables you’ll need.
  • Project length: Your job post should indicate whether this is a smaller or larger project.
  • Background: If you prefer experience with certain industries, database technologies, or developer tools, mention this here.
  • Budget: Set a budget and note your preference for hourly rates vs. fixed-price contracts.

Ready to leverage the reliability of relational databases for your apps and services? Log in and post your relational database job on Upwork today.

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  1. Identify your project needs, whether it’s system administration or back-end web development.
  2. Define the scope of work and write a detailed job post. Be specific about deliverables (e.g., setting up MySQL for your personal blog).
  3. Review proposals and shortlist potential relational database developers for unique skills needed to bring your project to life (e.g., experience with Amazon Aurora relational database engine).
  4. Interview relational database talent to gauge whether they’re the right fit for your project. Here are some sample interview questions.

Relational Database Developers FAQs

Frequently asked questions

What is a relational database? 

A relational database is more than just a set of data tables; it also captures the relationships among those data sets, allowing the user to perform complex search queries.

Here’s a quick overview of the skills you should look for in relational database professionals:

  • Relational databases
  • Data science and analytics
  • Database programming (especially with SQL)
  • Cloud services platforms such as Amazon Web Services (AWS)
  • Relational database management systems (RDBMSs) such as MySQL and Microsoft Access

Why do you want to hire relational database developers?

The trick to finding top relational database developers is to identify your needs. Do you need help setting up a typical RDBMS such as MariaDB for your business website? Or do you require someone familiar with object-relational databases such as PostgreSQL? The cost of your project will depend largely on your scope of work and the specific skills needed to bring your project to life.

How much does it cost to hire a relational database developer?

Rates can vary due to many factors, including expertise and experience, location, and market conditions.

  • An experienced relational database developer may command higher fees but also work faster, have more-specialized areas of expertise, and deliver a higher-quality product.
  • A freelancer who is still in the process of building a client base may price their relational database services more competitively.

Which one is right for you will depend on the specifics of your project.

How long should you contract a relational database developer to complete your project?

As difficult as it is to estimate how long you will need a relational database specialist, budgeting time is very important to keeping your project on track.

Be prepared to budget more time for more-demanding relational database projects. For example, setting up and managing a relational database for a small online store will typically take less time than building an RDBMS for a new SaaS (software as a service) product.

What are the steps involved to hire relational database developers?

Here’s how to hire relational database consultants in four simple steps: