Едуард

EDUARD PANASENKO
Backend Java Developer
Phone: [open contact info](look above in the "contact info" section) | Email: [open contact info](look above in the "contact info" section) | LinkedIn: [open contact info](look above in the "contact info" section)
__________

SUMMARY
__________

So ware engineer with 4 years of experience, including 3+ years building and maintaining microservices in Java and
Kotlin using the Spring ecosystem (Boot, Security, Data), Ka a-based messaging, RabbitMQ, rela onal databases,
and Docker-based containeriza on. Also spent a year focused on Flu er, and has since worked across full-stack
projects combining Java/Spring backends with Flu er and React.js frontends. Focused on clean, testable code (JUnit,
Mockito) and REST API design.

SKILLS
__________

Languages: Java, Kotlin, Dart, TypeScript, JavaScript, SQL, HTML, CSS
Frameworks & Libraries: Spring (Web, Boot, Data, Security), Hibernate, Apache Ka a, RabbitMQ, React.js, Lombok,
Flyway, JavaFX, Flu er
Databases: PostgreSQL, MS SQL Server, Azure SQL Database, MongoDB, H2, Cloud Firestore
Tes ng: JUnit, Mockito, Integra on Tes ng
Tools & CI/CD: Git, Docker, Azure Pipelines, Swagger, Postman, IntelliJ IDEA

EXPERIENCE
__________

Cosmith.io - Full-Stack Developer / Team Lead | Dec 2023 - Present

Con den al Insurance - Tech Project (NDA) (May 2026 - Present)
• Designed and built a web applica on from scratch (Java, React.js), enabling an insurance company to automate
the analysis of solar panel installa on documenta on.
• Enabled automated risk assessment across mul ple document types — installa on distance, re safety reports,
ba ery speci ca ons, and cost documenta on — by integra ng Claude-based AI analysis into the document
processing pipeline.
• Acted as sole architect and developer, delivering the full system end-to-end for a con den al enterprise client
under NDA.
Content Jungle (Jan 2026 - Present)
• Cut feature delivery me and reduced total cost of ownership by leading a full-scale pla orm migra on from
C# / React Na ve to a Flu erFlow front end backed by Java/Spring services and Firebase.
• Improved system stability by iden fying and redesigning problema c legacy core modules.
Mind Caddie (Dec 2024 - Present)
• Delivered low-latency, real- me AI-powered interac ons by building a dedicated microservice for OpenAI and
Eleven Labs WebSocket streaming.
• Enabled pla orm scalability by leading a development team through a full migra on from a no-code (Adalo)
system to Flu erFlow, Dart, and Firebase.
• Streamlined deployment and backend opera ons by containerizing services with Docker and deploying via
Google Cloud Run.
Timele (Dec 2023 - Dec 2024)
• Increased sales by ~19% by architec ng a server-side analy cs integra on with AppsFlyer to process high-
volume user behavior data.
ft
tt
ti
fi
ft
ti
tf
fi
tt
ti
ti
tt
ti
tt
ti
ti
ti
ti
ti
ti
ti
ti
ti
ti
ti
ti
tt
ti
ti
fk
ti
ti
tt
ti
ti
ti
fk
fi
tf
ti
fi
ti
ti
 • Enabled subscrip on and payment processing across 60+ countries by integra ng Stripe and RevenueCat into
the core payment infrastructure.
• Reduced crash rates and improved pla orm reliability by iden fying and resolving cri cal architectural bugs and
system instabili es.

Itera - Java Developer | Apr 2022 - Dec 2023
• Automated employee dona on work ows and matching-contribu on calcula ons by building a Java/Spring
Boot chatbot integrated with the Slack API.
• Replaced a legacy paper/Excel-based performance review process with a centralized digital system by co-
developing a full-stack web pla orm (Spring Boot, React.js, TypeScript).
• Automated migra on of legacy performance data by building a JavaFX desktop tool to parse and import
complex Excel forms into the new database.
• Maintained data integrity across releases by managing database migra ons (Flyway) and implemen ng unit/
integra on tests (JUnit, Mockito).
• Extended an internal o ce naviga on and resource-search system (Kotlin, Spring Boot), resolving complex bugs
to improve system availability.
• Ensured reliable, repeatable releases by managing CI/CD pipelines in Azure Pipelines.
Wildberries - Java Developer | Jun 2021 - Mar 2022
• Automated marketplace data collec on by building a web parser to extract product lis ngs, ques ons, and
reviews for downstream processing.
• Improved reliability of background processing by integra ng RabbitMQ for asynchronous task handling.
• Ensured consistent deployment environments by containerizing backend services with Docker.

EDUCATION
__________

Na onal Technical University of Ukraine "Kyiv Polytechnic Ins tute"
Master's Degree, Informa on Systems and Technologies | 2017 - 2023

LANGUAGES
__________

Ukrainian - Na ve | English - Upper-Intermediate
ti
ti
ti
ti
ti
ti
ffi
ti
ti
tf
ti
ti
fl
tf
ti
ti
ti
ti
ti
ti
ti
ti
ti
ti
ti