Кирилл

KIRILL BABIY
Software Developer • Database & Integration Systems
Odesa, Ukraine • [відкрити контакти](див. вище в блоці «контактна інформація») • GitHub

PROFESSIONAL SUMMARY
Software Developer with strong foundation in database management, SQL query optimization, and
system integration. Experienced in designing data persistence layers, writing efficient queries, and
automating data processing workflows. Solid understanding of client-server architecture, algorithms, and
data structures. Currently expanding expertise in Oracle PL/SQL and enterprise integration platforms.
Known for analytical thinking, rapid learning ability, and delivering optimized solutions.

TECHNICAL SKILLS
Databases & SQL: SQL (DDL, DML, Joins, Subqueries, Indexes), Oracle PL/SQL (actively learning),
SQLite, Core Data, Query Optimization, Database Design, Normalization
Integration & Automation: RESTful APIs, JSON/XML Parsing, Data Synchronization, ETL Concepts,
Report Generation, Process Automation
Architecture & Patterns: Client-Server Architecture, MVC, MVVM, Data Access Layer Design, Protocol-
Oriented Programming
Programming Languages: Swift, SQL, Bash, Python (basics)
CS Fundamentals: Data Structures (Arrays, Linked Lists, Trees, Graphs, Hash Tables), Algorithms
(Sorting, Searching, Dynamic Programming), Big O Analysis, Algorithm Optimization
Tools & Practices: Git/GitHub, CI/CD (GitHub Actions, GitLab CI), Linux/Unix, Agile/Scrum methodology

RELEVANT PROJECT EXPERIENCE
SecureVault — Secure Data Management Application | GitHub
Swift, Core Data (SQLite), SQL Queries, Data Encryption • 2024 – Present
• Designed and implemented data persistence layer using Core Data with optimized fetch requests
and efficient predicate-based queries
• Developed secure data storage system with AES-256 encryption, ensuring data integrity and
protection at rest
• Implemented background data synchronization with conflict resolution and batch processing for
improved performance
• Optimized database queries reducing data retrieval time through proper indexing and query
structure analysis
• Architected client-server data flow with efficient caching mechanisms and data validation layers

EDUCATION
Bachelor's Degree in Computer Science
State University of Intellectual Technologies and Communications (SUITT), Odesa • Graduated: June 2025
Relevant Coursework: Database Systems, Data Structures & Algorithms, Software Engineering, Computer
Networks
Associate Degree (Junior Bachelor)
Odesa Technical Professional College of ONTU (OTFK) • Graduated: 2023
Self-Study: "Grokking Algorithms" by A. Bhargava, "Algorithms Unlocked" by T. Cormen (original edition),
Oracle PL/SQL documentation and tutorials

ADDITIONAL INFORMATION
Languages: Ukrainian (Native), Russian (Native), English (Professional Working Proficiency — technical
documentation in original)
Currently Learning: Oracle PL/SQL (stored procedures, triggers, packages), Microsoft BizTalk Server,
WSO2 Enterprise Integrator
Strengths: Rapid learner with strong self-discipline, analytical problem-solving, attention to optimization and
code quality