07/22/2026 updated
100 % available
Senior Database & Delphi Developer
Tashkent, Uzbekistan
Only remote
College Diploma in FinanceAbout me
Senior Software Engineer with 10+ years of experience in Delphi, SQL Server and PostgreSQL. My expertise includes: • Delphi (Object Pascal) • SQL Server • PostgreSQL • Database Design • Query Optimization • Stored Procedures & Triggers • REST API • Python & FastAPI • ERP & POS Systems
GitHubJSONPython (Programming Language)Transact-SQLGitLabFastAPI
Senior Software Engineer with 10+ years of experience in Delphi, SQL Server and PostgreSQL.
My expertise:
• Delphi (Object Pascal, VCL, FMX)
• SQL Server (2005–2022)
• PostgreSQL
• T-SQL
• Database Design
• Query Optimization
• Stored Procedures
• Performance Tuning
• REST API Integration
• FastAPI
• Python
• JSON/XML
• Git
• Windows Desktop Applications
Services I provide:
• Delphi application development
• SQL Server and PostgreSQL development
• Database optimization
• Performance tuning of slow SQL queries
• Stored procedures, triggers and functions
• Database migration (SQL Server ↔ PostgreSQL)
• API integration
• Bug fixing and legacy system maintenance
• ERP, POS and Pharmacy software development
• Reporting (FastReport)
I always focus on clean code, performance and delivering projects on time.
Experience
Professional experience5 - 10 years
Freelancer since2019
Languages
EnglishGoodRussianFluent
Project history
Development of a complete enterprise ERP system for pharmaceutical companies, distributors, manufacturers and pharmacy chains.
Responsibilities:
• Design and development of ERP modules
• Warehouse Management System (WMS)
• Customs warehouse management
• Pharmaceutical distribution management
• Manufacturing management
• Retail pharmacy POS system
• Cash register software
• Integration with Tax Authority (electronic fiscalization)
• E-Invoicing (EDO) integration
• Marketplace integrations
• Banking integrations
• REST API development and integration
• Database architecture and optimization
• SQL Server & PostgreSQL development
• Performance tuning
• Development of stored procedures, triggers and functions
• Bug fixing and legacy system modernization
• Team collaboration and technical support
Technologies:
Delphi, SQL Server, PostgreSQL, T-SQL, REST API, JSON, XML, FastAPI, Python, Git.
Development of an ERP system for pharmacy chains and pharmaceutical companies.
Responsibilities:
• Development of ERP modules using Delphi
• Integration with 1C ERP
• Microsoft SQL Server database development
• Design and optimization of SQL queries
• Development of stored procedures and triggers
• Inventory and warehouse management
• Sales, purchasing and financial modules
• REST API integration
• Bug fixing and implementation of new features
• Performance optimization
Technologies:
Delphi, SQL Server, T-SQL, 1C ERP, REST API, JSON, XML.
Development and maintenance of an Airport & Airline Management System.
Responsibilities:
• Desktop application development using Delphi
• Database development with Microsoft SQL Server
• Design and optimization of SQL queries
• Development of stored procedures and triggers
• Integration with external systems
• Performance optimization
• Bug fixing and implementation of new features
• Technical support and system maintenance
Technologies:
Delphi, SQL Server, T-SQL, Windows, REST API.