Oleksandr

OLEKSANDR SHAPOSHNYKOV – SENIOR SOFTWARE
ENGINEER
PHONE NUMBER :[відкрити контакти](див. вище в блоці «контактна інформація»)
EMAIL: [відкрити контакти](див. вище в блоці «контактна інформація»)

SUMMARY
 Overall experience in IT is 21 years, in Java development - 10 years
 Has strong knowledge in Java core, Spring, Java EE (JSP, Servlets, Hibernate)
 Experience with Spring MVC, iBatis for 3 years
 Experience in MYSQL for 5 years
 Experience in NoSQL Redis
 Experience in the banking system for over 9 years
 Experience with Hybris for about 4 years and eCommerce applications development
 Experience with Generative AI (chatbot, vertex AI)
CERTIFICATES
 Google: Associate Cloud Engineer, 2024
 link to certificate https://www.credly.com/go/okqzLABKBkc0OLJhsBRb6Q
SKILLS
AI
 Foundation Models: Google Gemini (Language Model)
Academic Disciplines
 Humanities: English Speaking, English, English Writing, Ukrainian, Russian
 Applied Sciences: Software Architectural Styles, Continuous Testing, Loosely
Coupled Architecture, Microservice Architecture Style, REST
Consulting Practice
 Technology Consulting: Technology Consulting
Engineering Practices
 Digital Engagement: SAP Commerce Cloud (Hybris Commerce), SAP Hybris Service,
Java Core
 Data & Analytics: Compression, Data Formats, Data General, Serialization, Data
Software Engineering, Data Management
 Advanced Technology: Continuous Integration, CI/CD, Continuous Delivery, Java
Development, Prompt Engineering, Continuous Testing Practice, Generative AI
Fundamentals, Java Caching, Core Java Development, Cloud Fundamentals, Software
Engineering Practices, Software Engineering Processes
 Cloud: Cloud

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Industries
 Consumer: E-commerce
 Financial Services: P2P [Remote Banking], Agricultural [Financial Instrument]
Leadership & Soft Skills
 Leadership: Developing Others
 Communication: Building dialogue, Communication
 Consultancy: Consultancy
 Teamwork and Collaboration: Teamwork and Collaboration
Managerial
 People Management: Motivation
 General Management: Scrum
Technologies
 IDEs: Eclipse Platform, IntelliJ IDEA, Eclipse
 Frameworks: Spring MVC, Apache Maven, Mockito, Vaadin, Hibernate, Apache
Hadoop, Apache Spark, JUnit 5, iBATIS, Spring, Spring Core, JUnit, Spring-WS,
Frameworks, Spring Boot
 Computer Languages: XML, PHP, SQL, ANTLR, Python, JavaScript, Java, LangChain,
Java 8
 Web/Application Servers: Google App Engine, Apache Tomcat
 Solutions: Solr, Elasticsearch, Apache Struts, Jira, Gemini, SonarQube, AWS Simple
Notification Service, Jenkins
 Generative AI Technologies: Llama, ChatGPT
 Platforms: Google Cloud Shell, Docker, Google Cloud Platform, GCP Security and
Identity, Google Cloud SDK, Amazon Web Services, Google Cloud Functions, Google
Cloud Compute Engine, Google Virtual Private Cloud (VPC), SAP Commerce Cloud,
Operating Systems, Kubernetes, Adobe AEM - Sites & Assets, GCP Networking, E-
Commerce Platforms, AWS.Application Integration, Google Cloud Identity and Access
Management, Google Cloud Console
 Data: MySQL, Amazon DynamoDB, Large Language Models, Sybase, Kafka Streaming
and Connect, Google Cloud Storage, Oracle RDBMS, Spark Streaming, Redis
 Operating Systems: Microsoft Windows, Linux, Windows 7
 Telecom technologies: Interactive Voice Response
 Standards: JSON, Jakarta EE, REST API, XSL, Git
WORK EXPERIENCE

AUG-2025
Project Roles: Java Engineer

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Client: Non-disclosure agreement
Client Description: Software & Hi-Tech
Project Description: The project is related to the company's emissions Collection of
company emissions and generation of reports
Responsibilities:
 Preparation data and processing it
STACK: quarkus,llm, postgreSQL,cloud GCP

Mar-2025 - May-2025 -
Project Roles: Java Engineer
Client: Non-disclosure agreement
Client Description: Software & Hi-Tech
Project Description: The project is related to the company's emissions Collection of
company emissions and generation of reports
Responsibilities:
 Preparation data and processing it
Stack: spring boot kafka, postgreSQL,cloud GCP

Oct-2024 - Jan-2025 -
Project Roles: Data Engineer
Client: Non-disclosure agreement
Client Description: Software & Hi-Tech
Project Description: We want to design, prototype, and build a GenAI Chatbot for IT
ServiceDesk for internal use. It should perform basic RAG from Confluence pages and several
other sources
It will be integrated into Slack on the UI side
Additionally, it should be able to execute certain actions, like creating a Jira Ticket and
attaching a Slack conversation to it
This is a door opener and the first-ever GenAI opportunity at Epic
Once the MVP is delivered, we might be able to expand the scope of the project by
onboarding this solution in similar use cases across other departments and making it end-
user-facing (growing from 10K users/employees to 500B users/players)

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Responsibilities:
 Preparation data
 Scrapping data from confluence and prepared to vector store

Dec-2023 - Aug-2024 Non-disclosure agreement
Project Roles: Developer
Client:
Client Description: Software & Hi-Tech
Responsibilities:
 To develop features to help for support teams. I relocated part of solution from chat-
bot to cron job. Chat-bot was done in previous POC. It was code that defined support
groups using AI in jira ticket. We used prompting to specify jira group. Some
tickets needed a lot of manual work. We automated some manual work and reduce a
load on support teams
Tools and Technologies:
 Python, Jira
Team:
 3 people

Sep-2023 - Dec-2023 - Non-disclosure agreement
Project Roles: Developer
Client: Non-disclosure agreement
Client Description: Software & Hi-Tech
Project Description: Cloud Competency Center
Responsibilities:
 Develop chat-bot to support clients of cinema. To make spike using chatjpt-api to
interact with client and use prompt engineering to specific correct topic to talk with
chat-bot
Tools and Technologies:
 Python, Milvus, ChatGPT
Team:
 5 people

Jul-2022 - Aug-2023 - Non-disclosure agreement
Project Roles: Key Developer
Client: Non-disclosure agreement
Client Description: Software & Hi-Tech
Project Description: Assessment for databases and other tools

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Responsibilities:
 Creating and supporting assessment tools. Help client estimates effort to relocate
project to different cloud providers and give recommendation how to do this better
Tools and Technologies:
 Spring Boot, Docker, PostgreSQL, Oracle RDBMS, MySQL, IBM DB2, Hibernate,
Amazon Redshift
Team:
 10-14 people

Mar-2021 - May-2022 - Non-disclosure agreement
Project Roles: Java developer
Client: Non-disclosure agreement
Project Description: Non-disclosure agreement
Microservices architecture
Responsibilities:
 I create new services using clien requirements. I take part in different meeting with
client. Interact with externals teams to get information about different services that
support externals teams. I make changes in existent services to improve some logic.
I take part to clarify some technic details for BA and help with terminology for
creating tasks. Time to time I give consult externals teams for services that was
created by our team
 Consulting BA with particular tasks Take part in technical meetings. Time to time
consulting a developers in my team
 Created aditionl flow for payment using tablet-terminal
Tools and Technologies:
 Spring WebFlux, Spring Boot, Java, IntelliJ IDEA, Oracle RDBMS
Team:
 Team about 10-12 people

Jul-2020 - Dec-2020 - Non-disclosure agreement
Project Roles: Java developer
Client: Non-disclosure agreement
Project Description: Migration from Spring version 1.5.8 to 2.1
Migrate data from Oracle to MySQL
Microservice architecture
Responsibilities:
 I took part in meeting and interchanged information bettween team members. I took
part to miggrate services from spring boot 1.5 to 2.1 version. I gave consulted
automation QA how to test service and database after migration. We have taken part

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 in brain storming how to migrate data from oracle to mysql 5.1
Tools and Technologies:
 Spring Data, Spring Boot, Java 8, IntelliJ IDEA, Oracle RDBMS, MySQL
Team:
 team 9-10 people

Mar-2020 - Jun-2020 - Non-disclosure agreement
Project Roles: Hybris developer
Client: Non-disclosure agreement
Project Description: GIGA2
Responsibilities:
 I took part to improve integration between payment services
Tools and Technologies:
 SAP Commerce Cloud, IntelliJ IDEA, Oracle RDBMS
Team:
 teem about 20 people

Nov-2019 - Dec-2019 - Non-disclosure agreement
Project Roles: Hybris developer
Client: Non-disclosure agreement
Project Description: Improvement of existing project
Responsibilities:
 Develop new features
Tools and Technologies:
 SAP Commerce Cloud, IntelliJ IDEA, Oracle RDBMS
Team:
 15 people

Jun-2019 - Dec-2019 - Non-disclosure agreement
Project Roles: Hybris developer
Client: Non-disclosure agreement
Project Description: Changing data model
Responsibilities:
 To develop new features
Tools and Technologies:
 Java, Spring Batch, SAP Commerce Cloud, Oracle RDBMS

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Team:
 10 people

Apr-2019 - May-2019 - Non-disclosure agreement
Project Roles: hybris developer
Client: Non-disclosure agreement
Project Description: MDM
Responsibilities:
 To develop new features for client needs
Tools and Technologies:
 Spring Data, Spring Core, Spring, SAP Commerce Cloud, Java, IntelliJ IDEA, Oracle
RDBMS
Team:
 10 people

Aug-2018 - Oct-2018 - Non-disclosure agreement
Project Roles: Hybris developer
Client: Non-disclosure agreement
Project Description: Changing order process
Responsibilities:
 To develop new features
Tools and Technologies:
 SAP Commerce Cloud, IntelliJ IDEA, Oracle RDBMS
Team:
 5 people

Mar-2018 - Jun-2018 - Non-disclosure agreement
Project Roles: Key Developer
Client: Non-disclosure agreement
Project Description: Developing current task
Responsibilities:
 To develop new features
Tools and Technologies:
 SAP Commerce Cloud, Java, IntelliJ IDEA, Oracle RDBMS
Team:
 team 2 people

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Nov-2017 - Feb-2018 - Non-disclosure agreement
Project Roles: Key Developer
Client: Non-disclosure agreement
Project Description: Develop current task
Responsibilities:
 To develop features for client needs
Tools and Technologies:
 Vaadin, Jakarta EE, IntelliJ IDEA, Oracle RDBMS
Team:
 team 5 people

Aug-2016 - Sep-2017 - Non-disclosure agreement
Project Roles: Key Developer
Client: Non-disclosure agreement
Project Description: Project based on Hybris (front-end) platform and SAP-CRM (back-end)
system
Responsibilities:
 Interaction with international teams for solving current task
Tools and Technologies:
 SAP Commerce Cloud, SAP Commerce Cloud, Java, Git, MySQL
Team:
 Project had about 7 teams from different countries. My team were about 12 people

Jun-2015 - Feb-2016 - Non-disclosure agreement
Project Roles: Key Developer
Client: Non-disclosure agreement
Client Description: Non-disclosure agreement
Project Description: Support for CTCO-FECM project
Responsibilities:
 Support of production website as L3 engineer
 Main activities include
 Production issues troubleshooting
 Minor fixes and enhancements emplementation
Tools and Technologies:
 IntelliJ IDEA, Eclipse, Apache JMeter, Oracle RDBMS

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Team:
 Team was 21 developers

Dec-2014 - Apr-2015 - Non-disclosure agreement
Project Roles: Developer
Client: Non-disclosure agreement
Client Description: Non-disclosure agreement
Project Description: Redesign and migration of existing Canadian Tire Site from CQ 5.5 to
AEM 6.x
Responsibilities:
 Main activities include
 Re-implementing existing AEM backend functionality (OSGi componetns, schedulers,
event listeners, etc) of main web site (running on CQ5.5) and adapting it to new site
(AEM 6.x)
 Improvement of junint test coverage
 Participation in code review
Tools and Technologies:
 Java, IntelliJ IDEA, RabbitMQ, Jakarta EE
Team:
 The group was 9 people in Dnipropetrovs city, but a lot of people were deferent
regions

Dec-2011 - Feb-2014 - Privat Bank
Project Roles: java developer
Client: Privat Bank
Project Description: E-commerce project. Processing card for internet shopping
Responsibilities:
 We did a lot of features for deferent clients. We did b2b, b2c features for clients. I
spoke to skype with client. I did diferent features money transfers in bank system
Tools and Technologies:
 Spring-WS, OSGi, Java, IntelliJ IDEA, Oracle RDBMS, MySQL
Team:
 Team was 11 people

Jun-2011 - Nov-2011 - Vladislav
Project Roles: java developer
Client: Vladislav

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Project Description: Internet shop
Responsibilities:
 Support web-shop
Tools and Technologies:
 Apache Struts 2, Eclipse, IBM DB2
Team:
 Team was 3 people

Oct-2005 - Dec-2010 - Dialogbank
Project Roles: OBL developer
Client: Dialogbank
Project Description: Banking applications
Responsibilities:
 Support and devolep banking applications
Tools and Technologies:
 PHP, Eclipse, Interbase
Team:
 Team were 6 people

Jul-2004 - Sep-2005 - PrivatBank, https://privatbank.ua/
Project Roles: Softwar-engneer
Client: PrivatBank
Project Description: Banking applications
Responsibilities:
 Support and devolep banking applications
Tools and Technologies:
 Java Web App Containers and HTTP servers, Java, JBuilder, Sybase
Team:
 Team were 2 people

EDUCATION
Name of the Education Establishment: OLES HONCHAR DNIPROPETROVSK NATIONAL
UNIVERSITY
Faculty/College: Applied Mathematics
Specialty: System analysis
Degree (diploma): Master

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Name of the Education Establishment: Dnipropetrovsk State Agriculture University
Faculty/College: Mechanization of Agriculture
Department: Mechanization of Agriculture
Degree (diploma): Master

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