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Milan Susnjar

@milansusnjar

Senior full-stack engineer at ABS Safety GmbH, building a roof-planning tool for compliant fall-protection and solar installations.

Bosnia and Herzegovina

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What I'm looking for

I'm looking for contract, freelance, or the right full-time role—especially where I can own features end to end, work across web and mobile, and help build, deploy, and run products in production.

At ABS Safety GmbH, I build a TypeScript and React planning application that lets customers design compliant fall-protection and solar installations directly on their roofs. I implement features on an Entity Component System architecture and work on API integrations, PDF exports, and a reusable component library.

I also built Večeras, my event discovery app for cinemas, theaters, and nightlife, from the API and data enrichment through the Expo/React Native app and production deployment. It’s live on the App Store and Google Play.

At codecentric AG, I delivered enterprise web and mobile applications across IoT, logistics, and HVAC, including mobile apps for Medion and myVAILLANT Pro. I started in Java EE full-stack development and have since worked across web and mobile products, from prototypes with user feedback to long-lived enterprise codebases.

Experience

Work history, roles, and key accomplishments

Senior Software Engineer

ABS Safety GmbH

Mar 2023 - Sep 2026 (3 years 6 months)

Building a TypeScript/React web application for a German roof-safety manufacturer -w a planning tool that lets customers design compliant fall-protection and solar installations directly on their roofs. Three years in and still shipping.
• Implemented core features on an Entity Component System (ECS) architecture, plus feature flags (ConfigCat) and PDF export of finished plans
• Integrated REST an

Lead Mobile Developer

SPARWK AS

Oct 2022 - Mar 2023 (5 months)

Architected and delivered React Native apps for iOS and Android from scratch - owned the architecture, release strategy, and deployment automation.
• Set up Bitrise CI/CD with automated TestFlight and Google Play releases
• Built a reusable component library from Figma designs
Stack: React Native, TypeScript, Bitrise, iOS, Android

Software Developer

codecentric AG

Aug 2015 - Sep 2022 (7 years 1 month)

Delivered 10+ enterprise web and mobile applications across IoT, logistics, and HVAC domains.
• Built 3 IoT mobile apps for Medion and the myVAILLANT Pro HVAC app, including 3 white-label variants (React Native)
• Led end-to-end product development on client projects and helped establish engineering practices: CI/CD, code reviews, pair programming
• Worked across React, React Native, and TypeScrip

Lead Mobile Engineer

Wowflow - Simple CAFM Alternative

Oct 2018 - Oct 2020 (2 years)

Concurrent part-time engagement. Architected React Native apps from scratch for iOS and Android.
• Configured App Center CI/CD pipelines
• Built a reusable component library from Adobe XD designs
Stack: React Native, TypeScript, App Center, iOS, Android