eSIMystic
esimystic is your gateway to global eSIM connectivity — fast, secure, and borderless.
Available for new opportunities
Yevhenii Tomberg
I design backend-heavy systems with a human focus. Clean code, stable architecture, and clear decisions — from fintech platforms to personal projects.
About Me
I build systems that stay up and make sense
I'm a full-stack software engineer from Estonia, specializing in backend-heavy systems with a human focus. I believe in structure, autonomy, and responsibility — both in code and in collaboration.
3+
Years Experience
Building production systems
Swedbank
Current Role
Software Engineer
Backend
Focus Area
Systems & Architecture
Clean Architecture
Code that speaks for itself. Well-structured, maintainable, and built to last.
Scalable Systems
Designed for growth. Infrastructure that handles tomorrow's challenges today.
Human-Centered
Technology serves people. Solutions that simplify, not complicate.
Technical Skills
Technologies I Work With
A comprehensive toolkit built through years of professional experience across backend systems, frontend development, and DevOps practices.
Languages
Java
Expert · 100%
SQL
Expert · 100%
JavaScript
Expert · 97%
TypeScript
Advanced · 88%
Python
Advanced · 87%
Bash
Advanced · 86%
Batch
Advanced · 85%
C++
Proficient · 70%
Frameworks & Libraries
Selenium
Expert · 95%
Spring
Expert · 92%
Tailwind CSS
Expert · 92%
React
Expert · 90%
JUnit
Expert · 90%
Pytest
Advanced · 88%
Databases
PostgreSQL
Expert · 94%
Redis
Advanced · 85%
MongoDB
Proficient · 78%
DevOps & Infrastructure
Nginx
Expert · 93%
Linux
Expert · 90%
CI/CD
Advanced · 89%
Apache
Advanced · 85%
Docker
Advanced · 83%
Jenkins
Advanced · 80%
Kubernetes
Proficient · 75%
APIs & Protocols
REST APIs
Expert · 98%
OpenAPI
Advanced · 87%
OAuth2
Advanced · 85%
WebSockets
Advanced · 84%
GraphQL
Proficient · 76%
Monitoring & Tools
Git
Expert · 100%
Webpack
Expert · 90%
Prometheus
Advanced · 82%
Grafana
Advanced · 80%
Kafka
Proficient · 73%
Web Fundamentals
HTML
Expert · 95%
CSS
Expert · 90%
36+
Technologies
16
Expert Level
7
Categories
Portfolio
Featured Projects
A selection of projects that showcase my technical skills and passion for building meaningful software — from weather apps to booking systems.
Interested in more? Check out my GitHub for additional projects.
View All on GitHubCareer
Professional Experience
My journey through the tech industry — from teaching programming to building enterprise-grade financial systems.
Oct 2022 — PresentActive
Software Engineer
Swedbank
Feb 2021 — Mar 2022
HelloIT Group
Programming Teacher
Feb 2019 — May 2020
Online Student
ServiceNow
Education
Academic Background
My educational journey through computer science and engineering — from cybersecurity foundations to applied data science.
Sep 2025 — PresentCurrent
University of Tartu
ROBOTICS AND APPLIED DATA SCIENCE
Aug 2020 — Jun 2025
University of Tartu
INFORMATION TECHNOLOGY SYSTEM DEVELOPMENT
Aug 2019 — Jun 2020
National Technical University "Kharkiv Polytechnic Institute"
CYBERSECURITY
FAQ
Frequently Asked Questions
Answers to common questions about my work, approach, and what drives me as a software engineer.
Have more questions?
Let's talkContact
Let's Work Together
Have a project in mind or just want to say hello? I'd love to hear from you. Drop me a message and I'll get back to you as soon as possible.