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You will get Database Developer: Schema Design, Migrations & Database Implementation

Tetyana S.Status: Offline
Tetyana S.
5.0
Top Rated
Preview image

Let a pro handle the details

Buy Database Optimization & Design services from Tetyana, priced and ready to go.
Tetyana S.Status: Offline
Tetyana S.
5.0
Top Rated
Preview image

Let a pro handle the details

Buy Database Optimization & Design services from Tetyana, priced and ready to go.

Project details

You will get a robust, secure, and maintainable database solution tailored to your business needs, including schema design, migration scripts, and operational guidance. This offering focuses on reliable relational database design and data modeling using PostgreSQL, MySQL, Oracle (or your preferred engine), with attention to migrations, backups, access controls and data integrity. With over 20 years of experience in database architecture and implementation, the result is clean, well-documented DDL, sample data loads, and clear migration steps that fit your deployment workflow. Whether the requirement is a new schema, a refactor and migration, or an audit of security and recovery practices, concise documentation is provided to ensure smooth handover and long-term reliability.
Database Type
MySQL, MS SQL, Oracle, PostgreSQL

What's included $5,000

These options are included with the project scope.

$5,000
  • Delivery Time 20 days
  • Number of Revisions 1
  • Number of Tables Added 10
    • Schema Diagram
    • Permissions Setup
Optional add-ons You can add these on the next page.
Additional Table Added (+ 2 Days)
+$300
Import/Export Data (+ 5 Days)
+$1,000
5.0
34 reviews
100% Complete
(34)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

MF

Michael F.
5.00
Aug 6, 2025
Developer needed to develop an automated and interactive database

DS

Dan S.
5.00
Sep 11, 2023
Database Builder for Marketing Data

CF

Cesareo F.
5.00
Aug 11, 2022
Meteoros Admin System Hourly Tasks Tetyana has the tech talent to accomplish your job, and always with open communication and proactive attitude. Highly recommend!

SM

Shaun M.
5.00
Jul 13, 2022
SQL Data Engineer Tetyana is great to work with and I'd recommend her to any employer without hesitation.

FT

Francis T.
4.85
Jun 9, 2022
Android APP + Web interface developer needed The job was completed successfully. Tetyana is very professional and talented. Will definitely recommend her services to anyone.
Tetyana S.Status: Offline

About Tetyana

Tetyana S.Status: Offline
Solution Architect, Web Development, Database Development
100% Job Success
5.0  (34 reviews)
Kharkiv, Ukraine - 10:18 am local time
I help businesses design and build scalable, data-driven platforms that enhance decision-making, automate workflows, and drive long-term growth.
With over 20 years of experience in backend development, data engineering, and AI integration, I turn complex requirements into high-performance systems—built to scale, adapt, and deliver results.

Whether you're building a custom internal tool, optimizing a data pipeline, or integrating third-party APIs I can help architect and implement a robust solution from start to finish.

🔹 What I Offer:
✅ Custom Web & Backend Development
– Java, Spring Boot, Python, JavaScript, React/Redux
– Scalable architectures for web apps and internal tools

✅ Advanced Database Design & Optimization
– Oracle, MySQL, PostgreSQL, SQL Server, SQLite, Neo4j
– Data modeling, normalization, performance tuning

✅ AI & Systems Integration
-- OpenAI/ChatGPT, Google, Meta, TikTok APIs
-- Payment providers: Stripe, PayPal, LiqPay
-- Calendar & comms: Google/Office 365 sync, Twilio
-- OAuth login (Google, Facebook, Apple)

✅ ETL Pipelines & Data Aggregation
-- Designing robust ETL workflows: from APIs, flat files, and scraped data
-- Cleaning, transforming, and syncing structured and unstructured data
-- Performance-focused data orchestration across systems

✅ Data Visualization & Reporting
-- Dashboards in Power BI, Excel, Google Data Studio
-- KPIs, trend analysis, and multi-source reporting for smarter decisions

✅ Cloud Infrastructure
-- AWS & Google Cloud: Deployment, scalability, and cost optimization

✅ Business Intelligence & Analysis
-- Translating data into insights to support growth, planning, and decision-making

🔹 Work Principles:
💡 Solution-Oriented: I identify challenges early and propose practical improvements
📞 Transparent Communication: Clear, responsive, and proactive updates
⏱️ Reliable Delivery: Meeting deadlines without compromising quality
🎯 Client-Centered: I focus on your business goals and success metrics

📩 Let’s talk if you’re looking for a technical partner who blends full-stack engineering with business insight and analytical thinking.

Steps for completing your project

After purchasing the project, send requirements so Tetyana can start the project.

Delivery time starts when Tetyana receives requirements from you.

Tetyana works on your project following the steps below.

Revisions may occur after the delivery date.

Review requirements and existing schema/data

Set up staging DB environment and access

Review the work, release payment, and leave feedback to Tetyana.