Сергій

SERHII
ZAITSEV
Customer Support Specialist

About Me

[открыть контакты](см. выше в блоке «контактная информация») Customer-focused CRM Configurator with 4+ years of hands-on
experience supporting and configuring enterprise CRM systems for a
US-based client.
[открыть контакты](см. выше в блоке «контактная информация») Strong background in requirements implementation, client
communication, issue investigation, and environment configuration.
Vinnytsia, Ukraine Experienced in working closely with developers, analyzing logs and
databases, and resolving system-related issues across multiple
github.com/zaitsev-serhei environments.
Known for clear communication, analytical thinking, and strong
ownership of client-facing tasks.
Highly motivated to continue growing as a Customer Support
Language Specialist / CRM Configurator and open to new challenges, tools, and
learning opportunities.

English (B2-C1) Experience

Ukrainina (native) Customertimes - Ukraine
2021 - 2025
Configurator Analyst(Java Developer)
Soft Skills Configured and optimized enterprise platform features
for US-based client.
Communication & teamwork Collaborated with Java developers to design and
implement technical solutions.
Fast learning & adaptability Participated in Agile workflow: daily standups, sprint
Time management & task planning, backlog refinement.
Gained experience in client communication,
estimation requirements analysis and task estimation.

Problem-solving mindset
Education
National Technical University “KhPI”
Bachelor of Computer Science - 2021

Tech Skills
Languages: Java, Kotlin, SQL
Frameworks: Android SDK, Room, Dagger 2, Gradle, Maven,
Git, Spring (boot), Apache Kafka, Retrofit, Postman
Collaboration Tools: Jira, Confluence
Databases: PostgreSQL, SQLite
Concepts: Clean Architecture, REST APIs, Unit Testing

Additional Strengths

Strong client communication and expectation management
Hands-on troubleshooting and problem-solving mindset
Experience working with databases, logs, and system
integrations related to CRM platforms
Comfortable working in fast-paced, client-driven
environments