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Stanislav Moisieiev Profile
Java Developer
Java Developer with 4.5 years of production experience. Enthusiastic about
exploring new technologies and implementing industry best practices. Strong team
player who communicates effectively with team members, managers, and
customers. Proactively participates in feature design and requirements clarification
while consistently supporting client needs. Experienced in leading feature
development from scratch, including requirements gathering, collaborating with
analysts, and presenting high-level designs and implementations. Skilled in
troubleshooting production incidents and resolving bugs efficiently. Primary
expertise in healthcare and logistics domains.

Experience
Personal details
Java developer Feb 2021 - Present
Stanislav Moisieiev
Code IT, https://codeit.us/, Kharkiv
Microservice logistics application for medical devices. This tool provides access to
[открыть контакты](см. выше в блоке «контактная информация») inventory, and event data, and gives Org‐level users a full view of their assets and
field event histories As well as access to usage and billing information. The
[открыть контакты](см. выше в блоке «контактная информация») backend part helps users track and manage inventory, case schedules, device
status and use, device knowledge delivery, and other essential activities across
[открыть контакты](см. выше в блоке «контактная информация») the medical and surgical device value chain.
moisieiev-ab614b166
Responsibilities:
• Working closely with JPA specification

Skills • Implementing filters and endpoints for various dashboards
• Developing and maintaining Push notification functionality for clients
• Designing and implementing scheduled jobs for automated processes
Agile methodologies: Scrum, • Creating client alerting services for real-time monitoring
Kanban • Gathering requirements directly from stakeholders and translating them into
Languages: Java, SQL actionable Jira tickets for implementation
Frameworks: Spring, Spring • Resolving technical issues and implementing reporting functionality for end users
MVC, Spring Boot, Spring Cloud • Maintaining regular communication with customer stakeholders to ensure
Cloud solutions: GCP alignment
Automation tools: JUnit, • Developing foundational knowledge of conversational agents (Google's AI-
Mockito powered technology), including creating playbooks and configuring webhook
Build automation tool: Maven, integrations
Gradle • Implementing email notification services for system alerts and user
Logging: Log4j, SLF4J communications, including integration with SendGrid API for reliable, scalable
Databases: MySQL, PostgreSQL email delivery with advanced tracking and analytics capabilities
Platforms: Mac OS X, Windows • Processing and analyzing CSV data for reporting and data migration purposes
Issue Tracking: Jira • Optimizing database queries to improve application performance
ORM: Spring Data JPA, JPA • Troubleshooting and resolving data consistency issues in reporting systems
Specifications, Hibernate • Actively participated in business model creation and provided valuable
Other tools: Swagger, assistance in business analysis
openhtmltopdf, Lombok, JWT,
Postman, CSV data processing Achievements:
libraries, Feign Client, • Created comprehensive user statistics dashboards that help end users track
Conversational Agents activity actions
integration • Restructured data architecture and redesigned, implemented and improved in life
notification delivery system to make it more reliable and meaningful for users
• Significantly improved performance of pageable endpoints by implementing
query optimization and efficient data fetching strategies, reducing response times
by 70% and enabling users to load data-heavy pages in under 2 seconds instead
Language of the previous 7+ seconds, which directly increased user satisfaction and
productivity while reducing server load during peak usage periods
English - B1 • Restructured and optimized poorly written SQL queries in reporting modules,
leading to more accurate financial and operational reports

Tech Stack:
Java, Spring Boot (Security, Data, REST), Spring Cloud Netflix OSS (Eureka,
Feign), Swagger, PostgreSQL, JWT, Maven, GCP, Conversational Agents,
Jenkins

Java developer Oct 2024 - Dec 2024
Code IT, https://codeit.us/, Kharkiv
Data Processing and Mailing List Generation System for Marketing
Campaigns
Java-based application that processes enterprise data to create targeted
marketing lists based on demographic, geographic, and custom criteria. Supports
multiple recipient types (consumers, businesses, email), with features for data
anonymization, sampling, and duplicate prevention. Employs dependency injection
for flexible component management and generates optimized database queries for
efficient contact selection. Built with a scalable architecture for supporting new
data sources and list types.

Responsibilities:
Migrated legacy XML data into new SQL database structure
Implemented core REST endpoints for list management and counting
functionality
Developed a custom SQL query builder for dynamic data retrieval with Spring
JDBC templates
Engineered efficient RowMapper implementations for complex database
operations
Developed data processing services with both XML and JSON support
Created API documentation using Swagger
Built scheduled jobs for automated data processing
Implemented error handling and data validation mechanisms

Tech Stack:
Java, Spring Boot, Spring Web, Spring JDBC, MySQL, Lombok,
Swagger/OpenAPI, Gradle, XML processing libraries, JSON handling with
Gson.

Java trainee Jun 2020 - Jan 2021
EPAM Java Lab, Kharkiv
The application is aimed to help the HR department in creating and tracking
invitations and other events related to external candidates, helping to coordinate
various specialists and departments from different offices.
Responsibilities:
Adding changes to the admin dashboard.
Implementation of the functionality of sending mail notifications to the
candidates.
Reorganizing of exception structure in the project.

Achievements:
Implemented two‐factor authentication of the project.
Implemented Content Security Policy for the backend part of the application.
 Agreed and provided GDPR on the project.

Tech Stack:
Java, Spring Boot (Security, Data, REST), JPA, Thymleaf.

Education

East Ukrainian Volodymyr Dahl National Sep 2007 - Jun 2012
University
Master's degree in Computer systems and networks

Epam External Course Dec 2019 - May 2020
Developing enterprise‐level applications using Java language tools