Hire the Best Database Development Freelancers
in Ukraine

Clients rate our Database Development professionals
Rating is 4.7 out of 5.
4.7/5
Based on 195 client reviews
Mark B.

Kremenchuk, Ukraine

$60/hr
4.8
131 jobs

Automation that mirrors the patterns your team already uses Top Rated · 114 projects · 2 000+ h · 100 % JSS · 80k earned WHAT I DELIVER • DTC-candy brand (4 yr partner): moved from Airtable + Shopify apps to Coda + Make + OpenAI → 10 h → 1 h weekly ops, forecast error 20 % → 10 % (key SKUs 30 % → 5 %), subscription revenue ≈×3, zero picking errors. • Employee onboarding in < 10 h: killed manual checks, blocked cheating on tests, visual dashboard of strengths/weaknesses. • AI email triage agent: filters spam and low-value pitches, suggests meeting slots, drafts personalised replies for manager review — human-level accuracy, hours saved every day. • Two-way Airtable ↔ Streak sync: custom PHP + Make; previous agency and freelancer quit, I rebuilt from scratch and stabilised the API handshake. MY APPROACH 1. Pattern Audit – map bottlenecks during the very first call. 2. Prototype – end-to-end solution designed within 24 h, flexible and built for scale. 3. Launch + SOP video – your team owns the system from day 1. I treat your budget like my own: if a cheaper, cleaner path exists, I’ll steer you there (clients say this alone saved hundreds of hours and thousands of dollars). 114 projects, 15 % returned for ongoing work or retainers — proof that the systems I build stay valuable beyond the first launch. STACK Coda · Airtable · Notion · Make.com · n8n · OpenAI · Relevance AI · Google Apps Script · Zapier · Shopify Love working on unique, «no-template-yet» projects where each decision shapes the future system. READY TO FREE UP 10+ HOURS A WEEK? Book a 45-min Automation Strategy Call in my Project Catalog and get a custom roadmap within 24 h

  • Database Development
  • Make.com
  • Database Design
  • Google Apps Script
  • Zapier
  • Airtable
  • Database Programming
  • Scripts & Utilities
  • Notion
  • Database Integration
  • Automated Workflow
  • AI Agent Development
  • ChatGPT API
  • ChatGPT Prompt
Vladyslav V.

Kharkiv, Ukraine

$35/hr
5.0
73 jobs

I’m a Senior Python Engineer and Full Stack Developer with 8+ years of experience building web scraping infrastructure, automation platforms, backend systems, and scalable data engineering solutions for startups, SaaS products, trading companies, and data-driven businesses. Clients usually contact me for projects related to Python development, Full Stack development, backend development, backend APIs, web scraping, data extraction, browser automation, Playwright automation, Selenium automation, Scrapy development, ETL pipelines, workflow automation, automation systems, API integrations, real-time data processing, AI automation, OpenAI integrations, scalable backend systems, sportsbook software, betting systems, odds aggregation, analytics platforms, SaaS products, and high-load real-time data systems. Why clients work with me ✔ 8+ years of Python engineering experience ✔ 6+ years of Full-Stack engineering experience ✔ $400K+ earned on Upwork ✔ Top Rated Plus freelancer ✔ Production-grade scalable architectures ✔ Strong communication and reliable delivery ✔ Experience with high-load real-time systems ✔ Long-term technical partnership mindset My main stack includes: Python • FastAPI • Django • Flask • AsyncIO • REST APIs • GraphQL • Playwright • Selenium • Scrapy • WebSockets • Microservices • Celery • SQLAlchemy • Backend Architecture - Web Scraping & Data Engineering Playwright • Selenium • Scrapy • BeautifulSoup • Requests • Browser Automation • Data Extraction • Web Scraping • Data Mining • ETL Pipelines • Proxy Management • Pandas • NumPy • Dask • Scikit-learn • TensorFlow • PyTorch • XGBoost • OpenCV - Advanced Scraping Infrastructure Cloudflare • DataDome • Akamai Bot Manager • PerimeterX • reCAPTCHA • hCaptcha • Residential & Mobile Proxies • Session Management • Authentication Workflows • Browser Fingerprinting - Full Stack Development React • Next.js • TypeScript • JavaScript • HTML5 • CSS3 • Tailwind CSS • Admin Dashboards • SaaS Applications • Analytics Dashboards - Cloud, DevOps & Infrastructure Docker • Kubernetes • AWS • Google Cloud • Azure • GitHub Actions • GitLab CI/CD • Terraform • Ansible • Nginx • Linux AI & LLM Development OpenAI API • GPT-4 • Claude • Llama • AI Agents • RAG • Prompt Engineering • AI Automation • LLM Integrations • As a Full Stack Developer and backend developer, I build backend systems, APIs, automation platforms, web applications, analytics dashboards, browser automation workflows, admin panels, and scalable real-time data products designed for production environments. Web Scraping & Automation As a Python developer specializing in web scraping and automation systems, I build scalable scraping infrastructure for dynamic websites, protected platforms, APIs, marketplaces, SaaS products, and analytics systems. Scraping and automation projects include: • Large-scale web scraping systems • Data extraction pipelines • Browser automation with Playwright and Selenium • Scrapy-based scraping infrastructure • API reverse engineering and API integrations • Proxy management and anti-bot workflows • Marketplace and e-commerce data collection Backend Development & Automation Systems As a Full Stack Developer and backend developer, I also build scalable backend systems, backend APIs, automation infrastructure, workflow automation platforms, web applications, and real-time backend services. Typical backend and automation projects include: • Backend API development • Workflow automation systems • Real-time automation platforms • Monitoring and reporting systems • Data synchronization systems • Web applications and admin dashboards • Cloud-based backend infrastructure Clients hire me as a Python developer and Full Stack Developer when they need scalable backend systems, automation workflows, real-time data processing, or production-grade infrastructure that can support long-term product growth. Sportsbook & Betting Systems I have strong hands-on experience building sportsbook software, betting systems, odds aggregation platforms, sportsbook data systems, and real-time betting infrastructure running in production environments. • Real-time sportsbook odds aggregation systems • Arbitrage and positive EV analytics platforms • Betting automation and execution systems • Historical odds databases and backtesting engines • Sports analytics dashboards and reporting systems • Odds monitoring and alerting systems AI Automation & Data Infrastructure • AI data collection pipelines • OpenAI API integrations • AI automation workflows • RAG and knowledge base infrastructure • AI enrichment and structured data processing If you need a Python developer, Full Stack Developer, backend developer, or automation developer who can build scalable backend systems, automation infrastructure, web applications, sportsbook systems, or real-time data products, feel free to reach out.

  • Database Development
  • Python
  • Web Scraping
  • Data Extraction
  • Automation
  • API Integration
  • API Development
  • Data Mining
  • Web Crawling
  • Scrapy
  • FastAPI
  • REST API
  • Selenium
  • Browser Automation
  • ETL
  • Docker
  • AI Agent Development
  • Data Engineering
  • Back-End Development
  • Full-Stack Development
Denis S.

Kharkiv, Ukraine

$30/hr
5.0
134 jobs

I'm an AI Product Engineer with a focus on helping startups and businesses leverage AI and adapt to the modern software industry, which is now more accessible than ever. That includes full-stack development, AI automation, AI integration, prototyping, custom development, and, of course, taking over what you've already built and turning it into a production-grade solution. 𝐁𝐫𝐢𝐧𝐠 𝐢𝐧 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐭𝐨𝐭𝐲𝐩𝐞 𝐛𝐮𝐢𝐥𝐭 𝐰𝐢𝐭𝐡 𝐀𝐈 𝐚𝐧𝐝 𝐈'𝐥𝐥 𝐭𝐮𝐫𝐧 𝐢𝐭 𝐢𝐧𝐭𝐨 𝐚 𝐩𝐫𝐨𝐟𝐢𝐭𝐚𝐛𝐥𝐞 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧! 𝐈𝐟 𝐲𝐨𝐮'𝐫𝐞 𝐧𝐨𝐭 𝐬𝐮𝐫𝐞 𝐚𝐛𝐨𝐮𝐭 𝐲𝐨𝐮𝐫 𝐢𝐝𝐞𝐚, 𝐣𝐮𝐬𝐭 𝐬𝐞𝐧𝐝 𝐦𝐞 𝐲𝐨𝐮𝐫 𝐛𝐚𝐬𝐢𝐜 𝐬𝐩𝐞𝐜𝐬 𝐨𝐫 𝐑𝐅𝐏, 𝐚𝐧𝐝 𝐈'𝐥𝐥 𝐭𝐮𝐫𝐧 𝐢𝐭 𝐢𝐧𝐭𝐨 𝐚𝐧 𝐀𝐈 𝐩𝐫𝐨𝐭𝐨𝐭𝐲𝐩𝐞 𝐰𝐢𝐭𝐡𝐢𝐧 𝟑𝟎 𝐦𝐢𝐧𝐮𝐭𝐞𝐬 𝐚𝐭 𝐧𝐨 𝐜𝐡𝐚𝐫𝐠𝐞. 𝐅𝐨𝐫 𝐦𝐞, 𝐢𝐭'𝐬 𝐣𝐮𝐬𝐭 𝟑𝟎 𝐦𝐢𝐧𝐮𝐭𝐞𝐬 𝐨𝐟 𝐰𝐨𝐫𝐤. 𝐅𝐨𝐫 𝐲𝐨𝐮, 𝐢𝐭'𝐬 𝐚 𝐠𝐫𝐞𝐚𝐭 𝐰𝐚𝐲 𝐭𝐨 𝐯𝐚𝐥𝐢𝐝𝐚𝐭𝐞 𝐲𝐨𝐮𝐫 𝐢𝐝𝐞𝐚 𝐛𝐞𝐟𝐨𝐫𝐞 𝐢𝐧𝐯𝐞𝐬𝐭𝐢𝐧𝐠 𝐟𝐮𝐫𝐭𝐡𝐞𝐫. 🔐 𝗞𝗲𝘆 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: 1. AI Automation: streamlining workflows and business processes with AI 2. AI Prototyping: building fast, working proof-of-concepts to validate ideas 3. AI Hardening: taking over existing solutions and bringing them into production 4. Full-Stack Development: end-to-end product development, from frontend to backend 🌠 My background is in custom software development, and I spent a while working as a hands-on engineer. I was lucky enough to spend my entire career working with fast-growing, large-scale, and enterprise clients, representing an outsourcing vendor. 🌌 Apart from development activities, I was engaged in many others: interviewing engineers, participating in pre-sales, training programs, leading and driving development processes, and much more. I was always a company guy and was interested in and open to everything. 👴🏻 That’s where I matured as an engineer. I learned a lot along the way, saw how painful the software development process could be, and understood the pros and cons of different organizations, including where Fortune 100 companies struggle. 📺 I’m a professional engineer focused on delivering business outcomes for you — not a part-time freelancer juggling Upwork with a full-time job or doing it for extra income. I'm working with all types of clients and budgets. ✅ 99% Job Success Score; 100 + projects delivered — from idea to production-ready software 🛡 Expert-Vetted — interviewed and approved by the Upwork team 🚀 Fastest-Growing Upwork Profile Globally — $4M+ earned across multiple profiles since 2022 🌍 Most Recognized & Viewed Upwork Profile Worldwide 💰 Scaled 5 Upwork Profiles to $300K+ revenue each with strong inbound leads 🏢 Delivered Projects for Fortune 100 & Inc. 5000 Companies and UAE government 🧠 Led Pre-Sales, Estimations, Code Reviews & Tech Interviews for top-tier clients 💻 Even if we don’t end up working together, I’ll help you identify risks and guide you on how to make the product happen — because in the end, it’s all about mindset, not just coding skills. 💡 Answering a question how am I different in this competitive AI industry — the answer is simple: mindset. You can learn endless frameworks, libraries, languages — alright, cool, but mindset and deep understanding of this world outside and inside the industry is what really makes a difference. 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬: AI Automation, AI Agents, Agentic AI, LLM Integration, OpenAI API, Claude API, Gemini API, RAG, Vector Database, AI Chatbot Development, AI Assistants, Workflow Automation, Business Process Automation, MCP (Model Context Protocol), Multi-Agent Systems, Prompt Engineering, Full Stack Development, Full Stack Developer, Web Application, SaaS Platform, MVP Development, React, Next.js, Node.js, TypeScript, REST API, API Integration, PostgreSQL, MongoDB, Authentication, User Management, Admin Dashboard, Backend Services, Payment Integration, Stripe Integration, Subscription Management, Role-Based Access, Scalable Applications, Production-ready, Performance Optimization

  • React
  • JavaScript
  • PHP
  • Node.js
  • Laravel
  • MySQL
  • CSS
  • Vue.js
  • HTML
  • HTML5
  • TypeScript
  • MongoDB
  • Python
  • React Native
  • Full-Stack Development
  • CSS 3
  • Software Development
  • Web Development
  • Next.js
  • API Integration
Serhii M.

Kyiv, Ukraine

$42/hr
4.9
162 jobs

Master of Computer Science with 25+ years experience. Database Development: Backend & Frontend, SQL, VBA. MS Access, MS SQL Server, MySQL, Developing and supporting DB for Finance/Accountancy, DM, CRM, ERP, ETL etc. API development using Golang and SQL server (MySQL, Postgres; AWS), developing application MS Access frontend + Golang API backend + cloud SQL server. MS Office automation: Access/Exce/Word/Outlook. Macros, VBA, API integration. The key focus is to deliver time-saving, user friendly and easy to use applications.

  • Database Design
  • Database Architecture
  • Transact-SQL
  • SQL
  • Visual Basic for Applications
  • SQL Programming
  • Database Programming
  • Microsoft Excel
  • Microsoft Access Programming
Oleksii K.

Kyiv, Ukraine

$10/hr
5.0
17 jobs

10 years of extensive Oracle Database 10g/11g development 5 years of MSSQL Server 2008/2012 Development 10 years of Delphi development 3 years React/Redux Web development 3 years C# development * SQL (analytic functions, hierarchical queries, complex group operations, ...) * PL/SQL (triggers, stored procedures, packages, dynamic SQL, collections, ...) * Fundamentals of administration (knowledge of the architecture, installation and deployment, users, roles, EXP/IMP) * Performance tuning (trace session, explain plan) * VCL Library, EhLib * Components for DB development: DOA * SQL/T-SQL (stored procedures, functions, triggers, CTE expressions..) * Database Replication, Linked Servers, Jobs * Performance Tuning * Basic of DBA * Redux, Mobx * Thunk, React Saga * Material UI components, React Final Form, Reselect * Node js, Babel * asp.net web api 2.0 framework * asp.net core 6 web api Case tools: ERwin Oracle IDE: PL/SQL Developer Version control: Perforce, Git Bugtracker: Mantis Languages:

  • Database
  • SQL
  • Object Pascal
  • API Development
  • Microsoft SQL Server
  • Git
  • Delphi
  • Oracle Database
  • Web Application
  • JavaScript
  • RESTful API
  • C#
  • MantisBT
  • Netting
  • SQL Programming
Dima B.

Chernivtsy, Ukraine

$10/hr
5.0
7 jobs

I am a Database and Desktop Application Developer with extensive experience in SQL development and business software. I have worked with MySQL, Microsoft SQL Server, Firebird, and SQLite, designing databases, writing complex SQL queries, stored procedures, and optimizing database performance. I have experience in database design, migration, integration, and maintenance for business-critical applications. In addition to database development, I have many years of experience building desktop applications using C++ Builder and Delphi. I have developed software for accounting, sales, production management, inventory control, and other business processes. My skills include: • SQL Development and Query Optimization • Database Design and Data Modeling • MySQL, MS SQL Server, Firebird, SQLite • Stored Procedures, Triggers, Views • Database Migration and Integration • C++ and Delphi Desktop Development • Legacy Systems Support and Modernization • DevExpress Components and UI Development I focus on delivering reliable, high-performance solutions and solving complex database and business application problems.

  • Delphi
  • Transact-SQL
  • Borland C++ Builder
  • SQL
  • SQLite
  • Desktop Application
  • MySQL
  • Microsoft SQL Server
  • DevExpress

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