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Daniel User

@danieluser37

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Cross-platform mobile engineer who delivered three React Native products at Salt & Pepper, from booking to IoT.

Romania

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At Salt & Pepper, I delivered three React Native products across client engagements: a sports facility booking platform, a content-creator marketplace, and an IoT companion app for solar-powered hardware robots.

I built a modular, reusable UI component library using Atomic Design and documented it in Storybook. I also engineered subscription revenue funnels and streamlined releases with CI/CD automation for the Apple App Store and Google Play.

At Proms SRL, I designed, built, and deployed a customer loyalty and rewards app as the sole developer, from UI/UX through release. Earlier, I contributed to a Java EE enterprise application at IREMS International AG, fixing interface bugs and expanding JUnit 4 regression tests.

Experience

Work history, roles, and key accomplishments

Mobile Engineer

Salt & Pepper

Oct 2021 - Apr 2026 (4 years 6 months)

Delivered three consecutive React Native products across client engagements, including a sports facility booking platform, a content-creator marketplace, and an IoT companion app. Architected core features, built a modular UI component library, and engineered subscription revenue funnels with CI/CD automation.

React Native TypeScript Redux Zustand Storybook Firebase Jest CI CD Git In App Purchases Deep Linking Push Notifications Google Analytics

Mobile Engineer

Proms SRL

Aug 2020 - Jun 2021 (10 months)

As sole developer, designed, built, and deployed a B2C customer loyalty and rewards app for local hospitality businesses end-to-end. Architected cloud infrastructure on Firebase and owned QA, bug triage, and releases.

React Native Firebase Authentication Firestore Storage Camera APIs Filesystems

Software Engineer

IREMS International AG

Sep 2018 - Jun 2020 (1 year 9 months)

Contributed to a large-scale internal enterprise application built on Java EE and Rich Client Platform (RCP), fixing UI bugs and improving usability. Elevated codebase stability by writing and expanding regression test suites using JUnit 4.

Java EE Eclipse Rich Client Platform(RCP)JUnit4