Hire the Best Database Designers And Constructions

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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)

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

Bonsecours, Canada

$45/hr
4.8
114 jobs

I help businesses replace spreadsheets, Microsoft Access databases, and manual workflows with user friendly software systems, built around how they actually operate. Most of the companies I work with have reached a point where their existing processes are no longer scaling efficiently: -spreadsheets becoming difficult to manage -disconnected tools and duplicated data -too much manual work -lack of visibility into operations -systems that have simply outgrown their original purpose That’s where I come in. I specialize in building operational business systems such as: • CRM / ERP / MRP systems • Inventory and order management systems • Job tracking and workforce systems • Quoting and estimating tools • Dashboards and reporting platforms • Automated workflows and integrations • Microsoft Access to Web App conversions My approach is different from most custom development because I build using a proven, custom framework and architecture refined across dozens of real-world business applications. This allows me to deliver: ✔ Faster development ✔ Lower overall project cost ✔ Reliable and scalable systems ✔ Clean, maintainable code ✔ Consistent workflows and user experience With this approach, you’re not paying to reinvent the wheel - you’re benefiting from systems and patterns that have already been proven in production environments. Before transitioning into software development full-time, I spent 8 years working in engineering and manufacturing in Canada. That experience gives me a strong understanding of operational workflows, process design, and the real-world business challenges behind the software. Today, I have: 🏆 Nearly 100 successfully completed projects on Upwork 🏆 100% Job Success Score maintained for over 8 years 🏆 Extensive experience with complex operational systems and custom workflows I’m also a strong believer in transparency and long-term reliability. -Clear and honest communication throughout projects -Fixed-price projects whenever possible -Strong internal QA/testing process -Lifetime bug-fix guarantee on fixed-rate builds If your current systems are slowing your business down, feel free to reach out. I’m always happy to take a look and discuss possible solutions.

  • Engineering & Architecture
  • Microsoft Access
  • Database Design
  • System Automation
  • Database Architecture
  • Microsoft Access Programming
  • Bug Fix
  • SQL
  • JavaScript
  • PHP
  • Web Design
  • Microsoft Excel
  • Business Application Development Language
  • Automated Workflow
Mehedi H.

Helsinki, Finland

$35/hr
5.0
36 jobs

Database Engineer with 10+ years of experience specializing in PostgreSQL and SQL Server — migrations, performance tuning, and production DBA work. I work with companies that need their database environments handled properly: cleanly migrated, well-optimized, and reliably maintained. My background includes managing production PostgreSQL and MSSQL systems in high-availability configurations for a global software company. What I can help you with ━━━━━━━━━━━━━━━━━━━━━━━ ✔ MSSQL → PostgreSQL migrations (schema, data, stored procedures) ✔ PostgreSQL & SQL Server performance tuning and query optimization ✔ Database administration — backup, recovery, monitoring, HA setup ✔ ETL pipelines and data migration automation (Python / SQL) ✔ Backend API development with database-heavy logic (FastAPI / Node.js) ✔ Schema design, indexing strategy, and capacity planning Production experience ━━━━━━━━━━━━━━━━━━━━ Currently managing live PostgreSQL and MSSQL environments including: - High-availability configurations and failover management - Backup and recovery strategies for large-scale databases - Performance diagnostics and infrastructure monitoring - Large-scale data migrations across cloud and on-premise systems How I work ━━━━━━━━━━ I take database work seriously — clean documentation, tested scripts, and no shortcuts on production systems. I use modern tooling where it accelerates delivery without compromising quality. If you need a reliable database engineer for a migration, optimization project, or ongoing DBA support, feel free to reach out.

  • Database Design
  • SQL
  • Database Optimization
  • Database Development
  • Database Programming
  • MySQL
  • PostgreSQL
  • Data Analysis
  • Microsoft SQL Server
  • Database Administration
  • Query Optimization
  • ETL
  • Python
  • FastAPI
  • ETL Pipeline
  • Data Warehousing
  • Database Management
  • Cloud Database
  • Microsoft Azure SQL Database
  • SQL Programming
Kostas M.

Athens, Greece

$29/hr
5.0
120 jobs

Your operations are only as fast as your data systems. If your team is still fighting spreadsheets, re-entering data manually, or waiting on reports that should run themselves, that’s the problem I fix. I build professional MS Access databases, VBA automation, Excel systems, SQL Server backends, and Power BI dashboards for growing businesses that need reliable systems without IT overhead. With $200k+ delivered across 100 projects on Upwork, a Top Rated Plus track record, and 20+ years in MS Access, VBA, Excel, and SQL Server, I’ve solved these problems across shipping, finance, manufacturing, compliance, and hospitality. ⭐️ "Perhaps the highest skill level I've seen in the database space." - Paul Cracknell, OSR Enterprises What I deliver • Access CRMs and order systems that run smoothly from day one and scale with your team • Excel dashboards and KPI tools that turn raw data into decisions in seconds • VBA automation that removes hours of manual work in Excel, Outlook, and reports • Secure, multi-user Access apps with Azure or SQL Server backends • Fast, low-disruption database upgrades, migrations, and optimization Proven results • Automated invoicing system that cut billing delays by 80% • Excel reporting solution that saved 15+ hours every month • Compliance database now used daily by AML teams across departments • SQL Server migration for 25+ users with zero downtime Clients work with me because I understand both the technical side and the business workflow. I don’t just build tables, forms, and reports. I help clarify the process, remove unnecessary manual work, and create a system your team can actually use every day. I also have demo solutions available, including Access CRM, inventory, quoting, invoicing, and reporting systems, so you can quickly see the type of work I deliver before starting. Tell me what’s slowing you down. I’ll outline a clear plan before you commit to anything.

  • Microsoft Access
  • Microsoft Access Programming
  • Visual Basic for Applications
  • Microsoft Excel
  • Database Development
  • Database Design
  • SQL
  • CRM Development
  • Database Optimization
  • Automation
  • Power Query
  • Database Report
  • Microsoft Power BI
  • Microsoft Power BI Data Visualization
  • Dashboard
  • Macros
  • Scripts & Utilities
  • Microsoft SQL Server
  • Microsoft Office
  • Microsoft Outlook Development
Rongping S.

Chengdu, China

$60/hr
5.0
169 jobs

Slow databases? Production outages? Performance bottlenecks affecting your business? I help organizations identify root causes, optimize database performance, and build reliable database platforms. I am a senior database administrator (DBA) with over 13 years of hands-on experience managing production database systems. I specialize in MySQL, MariaDB, PostgreSQL, SQL Server, MongoDB adn Oracle, providing database troubleshooting, incident response, daily operations and maintenance, performance optimization, and reliable backup, high availability, and disaster recovery solutions for mission-critical environments. 🔍 Database Expertise: With over 13 years as a senior expert in MySQL/MariaDB/Percona/PostgreSQL/MongoDB/Oracle/SQL Server/DuckDB, I’ve managed over 5000 databases and 300 TB+ of data. My experience covers database architecture, performance optimization, backup and recovery, High availability, disaster recovery, and much more. I ensure every database solution I deliver is robust, scalable, high performance, and perfectly aligned with your business needs. 🛠️ Technology Stack: MySQL/Percona (Versions 5-9) MariaDB (Versions 5-12): Installation、High Availability, Replication, and Scalability Solutions、InnoDB Cluster、Group Replication、Workbench/Shell/Router、Backup & Restore、Galera Cluster、Percona XtraDB Cluster、XtraBackup、Toolkit、InnoDB/MyISAM/Binlog、Orchestrator、replication-manager. PostgreSQL (Versions 7-18): Installation、High Availability, Replication, and Scalability Solutions、SQL Tuning、pgpool-II、PostGIS、TimescaleDB、ClickHouse、Patroni、Citus、pgvector、Security、Supabase、Neon. MongoDB (Versions 3-8) / MongoDB Atlas : Installation、MongoDB Shell (mongosh)、Aggregation、Indexes、Atlas、Time Series、Change Streams、Replication、Sharding、Storage、Administration、Security. SQL Server (Versions 6.5 – 2025): Installation、High Availability and Disaster Recovery (Always On AG, FCI, Log Shipping, Replication)、Distributed Availability Groups、SQL Server Management Studio / Azure Data Studio / sqlcmd、Backup & Restore、Failover Cluster / Always On Solutions、PowerShell dbatools / First Responder Kit、Storage Engine / Transaction Log / Change Data Capture. Other Database : Oracle、DB2、Redis、SQLite、DuckDB、DocumentDB Cloud service providers: AWS RDS、AWS Aurora、Amazon DocumentDB、GCP、Azure、N8N creator. Certifications: I hold certifications from Cisco, Oracle, MySQL, AWS, ITIL, PMP, and TOGAF, ensuring I bring industry-recognized expertise to every project. 📈 Why Choose Me? Proven Experience: Worked for leading ICT and IoT solution providers, supporting major operators, banking, and financial enterprises. End-to-End Solutions: From designing high availability architectures to delivering query optimizations and backup solutions, I offer complete database management expertise. Training & Support: I also provide course training for companies looking to empower their teams with database-related skills. 🤝 Let’s Collaborate: If you’re looking for a seasoned database professional to tackle challenges in MySQL, PostgreSQL, MongoDB, Oracle, or other database technologies, let’s discuss how I can help streamline your operations and enhance performance. 📩 Contact Me: I’m ready to dive into your project. Reach out, and let’s unlock the full potential of your data infrastructure together!

  • PostgreSQL
  • MySQL
  • MariaDB
  • MongoDB
  • Microsoft SQL Server
  • Oracle
  • SQL
  • Database Optimization
  • MySQL Programming
  • Database Administration
  • Database Design
  • Query Tuning
  • Database Maintenance
  • Amazon RDS
  • PostgreSQL Programming
Zeeshan A.

Muscat, Oman

$20/hr
4.5
40 jobs

Oracle Certified Database Engineer | 15+ Years | Multi-DB, Odoo ,Legacy Oracle Specialist and data migration. "I build the intelligence inside your data systems." 15+ years delivering scalable solutions across Oracle (certified), PostgreSQL, MySQL, SQL Server, MS Access, and more. Trusted by long-term clients for reliable, high-quality work. Expertise: • PL/SQL, tuning, optimization, migrations (Oracle + multi-DB) • ETL/ELT pipelines, Python automation • Odoo customization, modules, APIs • Biometric sync (ZKTeco/BioTime → Odoo HR/Payroll) • Oracle Forms & Reports development/maintenance; PHPRunner rapid web apps; desktop DB (MS Access, LibreOffice Base) • Legacy Oracle: Install & configure Forms 6i on Windows 11 (unsupported workaround) Results: Zero-touch payroll for 500+ users; 70%+ faster queries. Available for long-term partnerships. Message me to discuss your project!

  • SQL
  • Oracle Database
  • Database Administration
  • Microsoft Access
  • MySQL
  • Oracle PLSQL
  • Xlinesoft PHPRunner
  • Oracle Forms
  • Database Programming
  • Stored Procedure Development
  • SQL Programming
  • Data Analysis
  • Data Migration
  • Data Cleaning
  • Looker Studio

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