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Marcel Kalveram

Marcel Kalveram
in
The Startup

A Bullet-Proof Approach to Storing Sensitive User Data in React Native

Keeping data on mobile devices secure is crucial if you’re working on a product that stores sensitive information about your user.

Dec 22, 2020

A Bullet-Proof Approach to Storing Sensitive User Data in React Native

Dec 22, 2020

Marcel Kalveram

How The Sustainable List came to life: journey of a side project

We created a curated list of sustainable fashion brands. Read about our journey and the lessons we learned along the way…

May 28, 2020

How The Sustainable List came to life: journey of a side project

May 28, 2020

Marcel Kalveram
in
JavaScript in Plain English

Common cross-platform pitfalls to avoid in React Native

Three things that people often get wrong when developing apps for iOS and Android

Dec 30, 2019

Common cross-platform pitfalls to avoid in React Native

Dec 30, 2019

Marcel Kalveram
in
JavaScript in Plain English

Bridging the gap from JavaScript to native user preferences in React Native

Lately, I’ve been working on integrating a GDPR opt-out feature into an app. This feature allows users to flip a switch to decide whether…

Sep 20, 2019

Bridging the gap from JavaScript to native user preferences in React Native

Sep 20, 2019

Marcel Kalveram

Upgrading React Native to version 0.59 and beyond: a step-by-step guide

Upgrading is one of those tedious tasks that you’ll inevitably face at some point when working on a React Native project. If you’ve ever…

Jun 11, 2019

Upgrading React Native to version 0.59 and beyond: a step-by-step guide

Jun 11, 2019

Marcel Kalveram
in
Level Up Coding

Anti-patterns to avoid when building a component library in React Native

Recently I’ve helped a client migrate their e-commerce front-end from a native wrapper app to React Native.

Apr 16, 2019

Anti-patterns to avoid when building a component library in React Native

Apr 16, 2019

Marcel Kalveram
in
ITNEXT

The intricacies of nesting navigators in React Native using react-navigation

This is the last post in a 4-part series about building the iOS and Android app for uncovercity using React Native. You can find the other…

Dec 3, 2018

The intricacies of nesting navigators in React Native using react-navigation

Dec 3, 2018

Marcel Kalveram
in
ITNEXT

Supporting multiple languages in React Native with Expo’s Localization module

Hi! Here’s another post about my experience of building the iOS and Android app for the surprise dinner startup uncovercity. Today, I’m…

Nov 5, 2018

Supporting multiple languages in React Native with Expo’s Localization module

Nov 5, 2018

Marcel Kalveram
in
ITNEXT

Battle testing a ridesharing API and React Native’s MapView in Expo

Recently, I had the pleasure to experiment with maps and API integration in React Native while working on the iOS app for uncovercity.com.

Oct 1, 2018

Battle testing a ridesharing API and React Native’s MapView in Expo

Oct 1, 2018

Marcel Kalveram
in
ITNEXT

Speeding up the build of a surprise dinner app in React Native using Expo

React Native can be hard. But a lot of the heavy lifting can be done by its open source companion toolchain Expo.

Sep 27, 2018

Speeding up the build of a surprise dinner app in React Native using Expo

Sep 27, 2018

Marcel Kalveram

Marcel Kalveram

Senior Product Engineer (Web · Mobile · AI) - I love working at the intersection between engineering and product.

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