Emil Oszmánbegovity
emil@emilosman.com | emilosman.com | github.com/emilosman
Senior Go-focused Software Developer and Owner with 10 years of
experience,
Linux enthusiast, technical architect, and mentor thriving in complex,
client-facing environments
Programming: Golang, Ruby, JavaScript,
TypeScript
Frameworks: Ruby on Rails, Bubble Tea
Databases: PostgreSQL, MongoDB
DevOps & Cloud: Docker, Podman, Terraform, Ansible,
CI/CD, GitHub Actions, Linux, Bash
Monitoring & Observability: Prometheus,
Grafana
Testing & Methodologies: RSpec, Postman,
Test-Driven Development (TDD), Agile
Languages: English, Serbian, Hungarian
Senior Software Developer, Owner, Osman Emil Kft. – Szeged, Hungary
December 2022 – Present
Parking services, EU (remote)
Built comprehensive test coverage reducing QA-reported regressions, writing RSpec unit tests in TDD
Resolved critical bugs improving delivery speed, reducing issue turnaround time in Jira, collaborating with QAs
Staff management, Belgium (remote)
Developed backend features for workforce scheduling, leading to successful feature rollouts and client adoption, by contributing to a Rails-based API
Insurance industry, Spain (remote)
Integrated insurance APIs, increasing provider coverage and interoperability with microservices
Deployed and maintained cloud infrastructure, improving system reliability and uptime, by working with GCP, Kubernetes, and a microservice architecture
Technical Architect, MentorMate – Sofia, Bulgaria (remote)
March 2022 – November 2022
Architected hybrid Azure deployments, mapping on-premise systems, working closely with DevOps Engineers
Analyzed software stacks, maintenance, security, encryption, finances, spending, and regulatory compliance
Improved knowledge base of development team by conducting deep interviews with key technical personnel
Implemented functional and non-functional needs of the clients on greenfield projects
Senior Ruby Developer, MentorMate – Sofia, Bulgaria (remote)
November 2020 – November 2022
Developed core application features and custom client enhancements in a multi-tenant system
Led and mentored junior developers and bootcampers that successfully integrated into development teams
Full-stack Web Developer, Sideqik – Atlanta, USA (remote) November
2018 – March 2020
Migrated frontend from Rails to Ember.js, improved developer velocity with a documented component library
Developed 1-on-1 and bulk messaging features that increased in-app engagement and reduced reliance on external tools, with merge tag support across both the Ember.js frontend and Rails backend
Full-stack Web Developer, aac.digital – Budapest, Hungary (on-site)
July 2017 – October 2018
Developed Rails apps for high-profile clients including METRO, Telenor, Jamie Oliver, BRF S.A., Zsidai Group
Learned Ember.js in a production environment, completed frontend features and improved responsive interfaces
Wrote a performant Golang open-source RSS reader for the terminal
Homelab
Architected Proxmox services, VMs and containers with stable uptime and fast deployments
Implemented monitoring and observability with Prometheus and Grafana to control resource usage
Created ZFS backups on TrueNAS with snapshot replication, tested recovery processes to reduce data loss
Configured Linux, MacOS, and Windows machines with access controls and backup scripts, improving reliability
Microsoft
Certified – Azure Fundamentals
IBM
– Enterprise Design Thinking Practitioner