Сергій

SERHII MOVCHAN
SOFTWARE ENGINEER

PROFILE

I am a results-driven, hardworking, and responsible team player. I am eager to
take on new challenges and contribute to achieving project goals.
I am proactive in taking the initiative and sharing my ideas. Additionally, I have
a solid understanding of cybersecurity best practices.

CONTACT
WORK EXPERIENCE
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OSDB 2021 - NOW
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Software engineer
Domain: Healthcare, E-commerce
Lviv
Designed and implemented backend services for healthcare and e-commerce
https://www.linkedin.com/ platforms.
Made architectural decisions for scalable and secure systems.
in/sergio-movchan-
Integrated third-party services including AWS, Stripe, Apple SDK, pVerify, Ouraring, NPI
142204159/ Registry, Garmin, FitBit.
Architecture
EDUCATION Participated in designing microservice architecture and documenting architectural
decisions
2015 - 2019 Integrated logging, monitoring, and alerting using Sentry and AWS tools.
Identified and resolved performance bottlenecks in high-load services.
LVIV STATE UNIVERSETY OF
Implemented unit and integration tests using JUnit and Mockito.
LIFE SAFETY Applied security best practices using Spring Security, JWT, and OWASP guidelines.
Bachelor of Cybersecurity Core: Java 18, Spring Boot, Spring Security, PostgreSQL, JDBC, JWT
Cloud & DevOps: AWS (EC2, S3, RDS), Docker (basic), CI/CD
2019 - 2021 Architecture: Microservices, REST APIs, SOA, Event-driven concepts
LVIV STATE UNIVERSETY OF Testing: JUnit, Mockito, Integration testing
LIFE SAFETY Security: OWASP, JWT, OAuth2, Network security basics

Master of Civil Safety
Code Lions 2020 - 2021
SKILLS Software engineer
Domain: LMS, Food Delivery
Java 8-21 Built backend services from scratch, including database design and third-party
integrations.
Spring: Boot, Data, Security, Core, Cloud,
Implemented CRUD operations and business logic based on client requirements.
Rest Integrated OAuth authentication with Google and Facebook.
Building Tools: Gradle, Maven Implemented security-related features and access control.
Deployed applications to AWS EC2, configured RDS and S3.
Database: Postgres, MongoDB, Redis,
Wrote unit and integration tests using JUnit and Mockito.
TimescaleDB Tech stack: Java 11, Spring Boot, PostgreSQL, AWS, OAuth2, JWT, Stripe, SendGrid
Message broker: JMS, RebbitMQ, SQS
Utility Libraries: Apache POI, OpenCSV, EPAM Systems 2019 - 2020

Commons, Gson, Jackson, Lombok, log4j Trainee Software engineer
JEE Framework: Hibernate, JPA Developed backend services for a charity project (Angels Care).
Implemented REST APIs and database integrations.
JUnit, Mockito
Worked with Spring Microservices architecture.
Payment system: Stripe, Apple SDK Integrated authentication and email services.
Netty-Socket-IO Stack: Spring Microservice, MongoDB, KayCloak, Spring Data, Rest template, SendGrid
DevOps tools: Docker, K8's, Git-lab CI/CD
AI: Ollama integration.
LANGUAGES
English (Intermediate)
Ukraine (Native)