Personal details

Marcin J.

Based in: 🇵🇱 Poland

Timezone: Warsaw (UTC+2)

Summary

I'm a software developer with passion for excellence, striving to create high-quality, performant and reliable software. The urge to learn modern technologies has followed me since the first day I started coding, providing me with opportunities to foster my passion and propel my personal development as I've been involved in various projects, including managing a web community, developing apps, services, websites, utilities and video games. I've specialized in designing and implementing microservices while maintaining professional curiosity in distributed systems and enterprise software architecture.

Technical skills

Top 3 skills

Rust・2 yrs Kubernetes・4 yrs C#・6 yrs

Other skills

.NET・6 yrs React・3 yrs Cassandra・2 yrs Distributed Systems Engineering・3 yrs Microservices・5 yrs Domain-Driven Design・3 yrs Docker・4 yrs

Work Experience

Senior Software Engineer

EcoVadis sp. z o.o. | May 2022 - Present

Domain-Driven Design

TypeScript

Docker

React

Microsoft SQL Server

Kubernetes

.NET

ASP.NET Core

Developing applications with .NET, C#, MSSQL, React, k8s, Service Bus
Designing services utilizing methods and patterns of Domain Driven Design
Participating in architectural planning of software solutions using the microservice approach, with a substantial focus on performance, scalability and correctness
Mentoring junior developers, conducting job interviews, participating in knowledge sharing sessions

Senior Software Developer

Lionbridge Poland sp. z o.o. | Sep 2020 - May 2022

Domain-Driven Design

React

Microsoft SQL Server

Kubernetes

Service Bus

ASP.NET

Designing, developing and maintaining production systems and services (with a heavy focus on microservices) using .NET, C#, Python, message brokering middleware, database engines (SQL and non-), containers (Docker and kubernetes)
Managing cloud-based infrastructure related to the maintained projects on Azure
Maintaining continuous integration and continuous delivery pipelines
Upkeeping product backlogs
Scheduling releases and coordinating teamwork within the project

Education

University of Warsaw

Bachelor's degree・Philosophy

Sep 2016 - May 2022

Personal Projects

k8s-insider

2023

Linux

Docker

Network

Rust

Kubernetes

A developer tool to access k8s cluster network using WireGuard, written in Rust.

Certifications & Awards

Performance Engineering Masterclass

ScyllaDB | Aug 2022

Certificate of Proficiency in English

Kaplan | Jul 2011