Bartłomiej Rasztabiga
Senior Backend Engineer at symmetrical.ai
Warsaw, Masovian Voivodeship, Poland
Summary
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Rockstar🎓
Top SchoolBartłomiej Rasztabiga is a Senior Backend Engineer with 11 years of experience designing and delivering distributed, event-driven systems from Warsaw. He builds resilient microservices and integrations (Spring Boot, Kotlin/Java, Docker, GCP, Kubernetes) and has led small engineering teams shipping greenfield financial and SaaS products. An active open source contributor, he extended the OpenMRS REST API during Google Summer of Code and improved core backend components in that widely used medical records project. Comfortable across the stack, he pairs pragmatic code refactoring and API design with production-grade operational concerns. He brings a track record of replacing legacy patterns with robust API-level solutions and making complex integrations (Salesforce, Zuora) reliable.
11 years of coding experience
3 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Warsaw University of Technology
English, Polish
Stackoverflow
308reputation
14kreached
5answers
5questions
Github Skills (23)
api-rest10
back-end-development10
api-design10
restful-api10
java10
webservice10
javas10
spring-boot10
rest-api10
openmrs10
apidoc9
api9
refactoring8
ehealth8
android-volley6
Programming languages (8)
Github contributions (5)
openmrs/openmrs-core
Nov 2017 - Jul 2021
OpenMRS API and web application code
Role in this project:
Back-end Developer
Back-end DeveloperContributions:27 reviews, 86 commits, 145 PRs in 3 years 7 months
Contributions summary:Bartłomiej primarily contributed to the backend logic of the OpenMRS core repository by modifying Java code. Their work involved refactoring existing code, such as changing loggers and replacing runtime exceptions with API exceptions, as well as deleting redundant variables. They also made changes to various data access objects (DAOs) and utility classes. The commits also involved modifying web filters.
apij2eehospitalemropenmrs
openmrs/openmrs-module-webservices.rest
Nov 2017 - Aug 2021
Provides RESTful web services for OpenMRS (REST API)
Role in this project:Backend Developer
Backend DeveloperContributions:113 reviews, 14 commits, 18 PRs in 3 years 8 months
Contributions summary:Bartłomiej's commits primarily focused on modifying RESTful web services within the OpenMRS platform, specifically the REST API. Their work involved replacing deprecated code, such as `getEnumsAsList` with `EnumProperty` instances, and adding functionality related to OpenMRS modules. They demonstrated a strong understanding of the OpenMRS REST API and its underlying Java codebase. The user also added functionality to enhance the existing REST resources.
webserviceopenmrsrestfulopenmrs-apiweb-services
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