// Hello
I'm Umejr Demir
Software engineer
Welcome to my portfolio website. Here you can find information about my projects, skills, and experience.
Some of my projects
Work experience
Software Engineer at Pickleball.com
October 2025 - Present
- Developed and maintained frontend features using Next.js and React, focusing on translating product requirements into functional UI.
- Collaborated on improving frontend performance and component reusability across the platform.
- Technologies: Next.js, React, Stripe
Software Engineer at Rehype GmbH
August 2022 - October 2025
- Architected and deployed a multi-seller e-commerce platform, managing complex trade-in flows, shipping integrations, and automated customer notification systems.
- Designed a high-concurrency microservices architecture using NestJS and Go, utilizing RabbitMQ for asynchronous messaging and Redis for distributed caching.
- Managed end-to-end DevOps cycles, deploying containerized services via Docker and Kubernetes with custom GitLab CI/CD pipelines.
- Optimized relational data models in PostgreSQL, improving query performance and data integrity for large-scale inventory management.
- Technologies: NestJS, Typescript, Microservices, PostgreSQL, RabbitMQ, Redis, Docker, Kubernetes, Next.js, React, Stripe
Education
Bachelor of Science in Software Engineering
Amman Arab University, Amman, Jordan
2020 - 2024
My skills
Front-end and mobile
Flutter
Angular
React
Next.js
Tailwind
Back-end
C
Go
Nestjs
Nodejs
Typescript
Python
Databases
SQL
PostgreSQL
MongoDB
Networking and DevOps
AWS
Linux
Docker
Kubernetes
Terraform
Ansible
Testing
Jest
Cypress
Contact me
Iām always open to discussing new projects and opportunities, or just connecting! Feel free to reach out on any of the following:
GitHub: 
GitLab: