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Vahid Etemovic

@vahidetemovic

Software Solutions Architect at TerraCrypt, building a WebRTC group-calling stack and custom mobile APM and crash-log platform.

Serbia

Message

At TerraCrypt, I co-founded a privacy-first messaging company and lead architecture across iOS, Android, desktop, backend, and an admin dashboard. I built group voice and video calling with an SFU, CoTURN, and custom signaling.

I architected the Go backend and its Docker stack, and designed a custom APM and crash-log telemetry SDK for iOS and Android. I also implemented custom-curve end-to-end encryption with key-rotation flows and an RBAC admin dashboard.

At Local Government Tax Administration, I lead the in-house development team and provide strategic IT direction. I built internal applications used by the city administration and the public-facing portal of the Public Revenue Administration (Firmin).

Experience

Work history, roles, and key accomplishments

Current

Co-Founder & Full Messenger Stack Lead Developer

Current

TerraCrypt

Jan 2026 - Present (9 months)

Co-founded a privacy-first messaging company and lead architecture across iOS, Android, Tauri desktop, Go backend, and React admin dashboard. Architected a Go backend with Docker, PostgreSQL, Redis, CoTURN, MinIO, Nginx, Grafana, and Loki, and built WebRTC group voice/video with SFU and custom signaling.

Swift Kotlin Go Rust Flutter React WebRTC SFU (Selective Forwarding Unit)Coturn PostgreSQL Redis Docker Nginx Grafana Loki End To End Encryption(E2EE)RBAC CI CD

Current

System Administrator & Developer

Current

Local Government Tax Administration

Jan 2008 - Present (18 years 9 months)

Lead in-house development team and provide strategic IT direction. Manage Unix and Windows network infrastructure, backups, and security, and build internal web and software applications for city administration.

Unix Windows Networking PHP MySQL Web Development

Team Leader

NT Tech

Feb 2022 - Dec 2023 (1 year 10 months)

Led the software development team and oversaw backend and frontend delivery. Managed advertising campaigns and product launches, mentored junior developers, and reviewed architecture decisions.

PHP MySQL Python WordPress JavaScript Unix Windows

Front-End Developer

Dreaming Sky LTD

Jan 2021 - Jan 2022 (1 year)

Engineered and optimized front-end applications using HTML, JavaScript, and CSS. Drove user engagement and retention by enhancing core front-end flows and built dynamic, responsive web designs.

HTML JavaScript CSS WordPress PHP MySQL