Bartłomiej Rasztabiga

Kotlin/Java Backend Engineer

Warsaw, Poland, CET

BR

About

Experienced Backend Engineer skilled in Kotlin and Java, with a specialization in designing and building distributed, scalable systems. Over 4 years of experience in working remotely with companies of different sizes and locations.

Work Experience

Symmetrical.ai
Warsaw

Jan 2022 -

Senior Backend Engineer

Built symmetrical products from the ground up. Ocassionaly lead teams and projects. Technologies: Kotlin, Spring Boot, MongoDB, Apache Kafka

Sollers Consulting
Warsaw

Jul 2021 - Jan 2022

Full Stack Engineer

Worked on new features for internal HRIS software, used every day by all Sollers employees. Technologies: Java, Spring Boot, PostgreSQL, React.js, TypeScript

Ignite Software Development
Remote

Jul 2020 - Jul 2021

Lead Backend Engineer

Lead team of software engineers (3-5 people), developed SaaS tool related to financial reporting. Technologies: Kotlin, Spring Boot, PostgreSQL

Transition Technologies PSC

Jul 2017 - Aug 2017

Embedded Software Engineer - Internship

Developed C++ framework, allowing developers to easily create simple sensor/actuator IoT devices based on ESP8266 platform. Technologies: C++, Arduino Framework

Education

Warsaw University of Technology

2020 - 2024
Bachelor's Degree in Computer Science. Specialization: Software EngineeringThesis: Application of microservice architectures in creating scalable web applications

Warsaw University of Technology

2024 -
Master's Degree in Computer Science. Specialization: Intelligent Systems

Skills

Kotlin
Java
Spring Boot
Axon Framework
Apache Kafka
MongoDB
PostgreSQL
Kubernetes
TypeScript
React.js
Remix.js
Python
FastAPI