Ілья

SHCHERBAN ILIA
Backend Developer
Java | Python

CONTACTS EXPERIENCE
[відкрити контакти](див. вище в блоці «контактна інформація»)
Fullstack Developer Jul 2025 - Present
[відкрити контакти](див. вище в блоці «контактна інформація») Ukrainian North-Eastern Institute of Applied and Clinical Medicine
Sumy, Ukraine · Healthcare & Medical Research
Ukraine, Sumy
Designed and solo-built a multi-tenant SaaS platform for medical
examination management: FastAPI (async SQLAlchemy 2) and Next.js,
ABOUT ME with schema-per-tenant isolation resolved per request; deployed on
Docker Compose (PostgreSQL, Redis, Celery, Nginx).
Backend developer with 1+ year of
Built backend services for internal institute systems in Java/Spring Boot
production experience and 2+ years
and Python/FastAPI: a unified client registry with physical access control
in IT overall. Currently building and and visit reporting across clinic and fitness sites.
maintaining internal systems Integrated four external systems into one service — two legacy databases
at a medical research institute — over direct JDBC pools, a third-party medical REST API, and ZKTeco
Java/Spring and Python on the turnstile controllers — designing the PostgreSQL schema and cross-
server side, from schema design source identity matching.
through deployment and support.
Prior background in Windows/Linux System Engineer Apr 2025 - Jul 2025
server administration, which Same institute
carries over into deployment,
Maintained and expanded IT infrastructure; technical support for staff.
networking and troubleshooting. Promoted to developer after 4 months.

System Administrator Jun 2024 - Nov 2024
EDUCATION Impulse LLC · Chemical & Pharmaceutical
Sumy State University
Windows Server and Active Directory administration, LAN, user support
2022 - 2025
across 40~ workstations.
(3 years completed, no degree)

LANGUAGES TECH SKILLS
Ukrainian - Native
Backend Python (FastAPI, SQLAlchemy async, Pydantic, Celery),
English - B1-B2 Java (Spring Boot — Web, WebFlux, Data JPA, Security),
multi-tenancy (schema-per-tenant), JWT/RBAC auth,
WebSockets

Data PostgreSQL, MySQL/MariaDB, Redis, schema design &
migrations (Alembic), JSONB, streaming queries over
legacy databases

Integrations a third-party REST APIs, ZKTeco access-control hardware,
speech-to-text pipelines, document generation & parsing
(HTML →PDF, DOCX/XLSX)