With over a decade of experience as a software developer, I am an ambitious, professional, and honest individual committed to pursuing quality and getting things right the first time. While my background is rooted in Java and Kotlin, I am ready to work with any technology that best fits the problem at hand. Having worked mostly at startups, I am accustomed to wearing many hats and thrive in dynamic environments. As a product-focused developer, I prioritize user feedback above all else to drive meaningful improvements. I am also skilled in hiring, building, and managing teams, serving as a leader and mentor to help others grow.
Lead/Senior Software Engineer, Freelancing
2024.10.01 - Present
Offering a wide range of experience and skills, specializing in designing, developing, and optimizing scalable solutions. Working across various technologies and industries, delivering high-quality software tailored to clients' needs.
Lead Software Engineer, JillionPay
2024.04.05 - 2024.10.01 6 months
Building high-performance payment processing gateway in microservice manner. Leading core backed team.
Java 21/ Kotlin, goLang
Spring Boot
gRPC, REST, openAPI, CodeGen
PostgreSQL, Kafka
Kubernetes, Docker, Terraform, Helm
Testing – JUnit, KoTest, A/B Testing, Test Containers
Senior Software Engineer, SadaPay
2021.08.01 - 2024.04.05 2 years 8 months
Designing, implementing, testing, deploying, maintaining, debugging Java and Kotlin back-end applications. Hiring and mentoring team members.
Java 21/ Kotlin
Spring Boot
REST, CodeGen
PostgreSQL, Kafka
Testing – JUnit, KoTest, A/B Testing, Test Containers
Java Developer, Empirica S.A.
2017.09.18 - 2021.08.01 3 years 10 months,
Developing, implementing, testing, maintaining, debugging Java back-end applications.
Java 8
Spring Boot, Blueprint
Hibernate
REST and SOAP Web Services
Testing – Spock framework, Groovy
MSSQL, MySQL, PostgreSQL, Cassandra, MongoDB
Agile/SCRUM, JIRA, Confluence
Founder, Raf-Trans
2011.08.01 - 2017.09.186 years 1 month
Finding orders and contractors Performing, dispatching and coordinating various transport services Managing company's finances Maintain vehicles
Java/Kotlin
goLang
SpringBoot
Postgres
MongoDB
Cassandra
Redis
Kafka
OSGi
Karaf
Liquibase
gRPC/REST
SOAP
WebSocket
OpenAPI/CodeGen
Serverless
Git
Github
Sonar
Copilot
AWS
Docker
Kubernetes
Terraform
ArgoCD
Github-Actions
Jira
Confluence
Slack
Opsgenie
Bachelor of Engineering, Information Technology – Web engineering, Wroclaw University of Technology
2008 – 2011
Introduction to Computer Science
Data Structures and Algorithms
Operating Systems
3D
Cars
Traveling
