Павло

Java Developer
[відкрити контакти](див. вище в блоці «контактна інформація»)
[відкрити контакти](див. вище в блоці «контактна інформація»)
Kyiv, Ukraine
Pavlo Mistsenko [відкрити контакти](див. вище в блоці «контактна інформація»)
https://github.com/pavelb2p
Telegram - @Ravik_pm

Technologies and Skills
Java 17, Spring (Boot, Cloud, Security, Web MVC, Data JPA), Hibernate, Lombok, REST API, Jolt
Transformation Library; JUnit, Mockito, Jacoco, Unit & Integration Testing, Postman; MySQL, MongoDB,
Flyway, Elasticsearch, Kibana; Docker, Kubernetes, Lens, Jenkins, Spinnaker, Helm, SonarQube, DataDog,
Maven, Gradle; Microservices, UML diagrams, Estimation, Swagger, JSON; Data Engineering Program
(PySpark, AWS (EMR, Glue, S3), Databricks, ETL/ELT, Data Lake); Excellent soft skills (result orientation
and keeping commitments, effective collaboration, openness to feedback and changes, communication,
dedication and commitments); English — Intermediate

Work Experience
Sigma Software - Java Developer
January 2025 - current Kyiv, Ukraine
Participated in the development of system for a B2B client. The system allows users to design
templates and convert XML data into structured documents
Responsibilities: Developed and supported Java-based solutions for XML document conversion (PDF,
HTML, DOCX). Implemented conversion logic, resolved formatting issues.

Sigma Software - Data Engineering program
October 2024 - December 2024 Kyiv, Ukraine
Processed and analyzed the New York Airbnb dataset. Performed data cleaning, transformation and
analysis using PySpark on AWS EMR, AWS Glue, S3 and Databricks. Studied Data Lake architecture,
data pipeline modeling, big data processing and best practices in ETL/ELT.

Sigma Software - Java Developer
July 2023 - September 2024 Kyiv, Ukraine
Delivered a SaaS solution for customer communication used in telecom, finance, and energy sectors.
Worked on a cloud platform to design, generate, store and access large volumes of documents like
invoices, bills and promotions.
Responsibilities: ︎Developed features and components, focusing on functionality and scalability, fixed
bugs and improved platform stability and performance, reviewed code and performed manual and
automated testing, wrote unit, integration, and end-to-end tests, created UML diagrams for system
design, maintained documentation and participated in estimations.

Sigma Software - Junior Java Developer
May 2022 - June 2023 Kyiv, Ukraine
Developed a web platform based on microservices for a popular streaming service. Created a
system for managing ad campaigns to help publishers automate ads and give tools for advertisers
to run and monitor their campaigns.
Responsibilities: Added and developed new services, controllers, repository, database and other
required components. Supported security components. Testing of code (UI, Postman, JUnit),
conducted code reviews, maintained project documentation, deployment, demoed completed
functionality to the client.

Private group of companies - Head of Treasury
May 2017 - 2021 Kyiv, Ukraine

Internship
Sigma Software University (December 2021 - May 2022), Sparta Camp in Alfa-Bank (November -
December 2021), Bootcamp in Rocke.Tech (October 2021), EPAM University (June - September 2021)

Education
National University of Kyiv-Mohyla Academy - Software engineering,
free listener (2020 - 2021)
Kyiv National Economic University -
Master's Degree in "Economics and Management" (2002 - 2007)