Arno Teigseth, Developer in Quito, Pichincha, Ecuador
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Arno Teigseth

Verified Expert  in Engineering

Software Developer

Quito, Pichincha, Ecuador
Toptal Member Since
March 21, 2022

Arno is a full-stack developer with a strong focus on UX and reducing cognitive load. He specializes in working with a single codebase and mobile-first mindset, particularly in Ionic, Angular, and Capacitor, to ease distribution across all platforms with no extra cost. Arno prioritizes work to strike pain points first and maximize ROI, he thinks out of the box and looks for novel approaches, and he is detailed and structured and takes ownership of the challenges handed to him.


Ionic, Angular, Capacitor, Firebase
Kursfortegnelse AS
Angular, Ionic 5, Capacitor, Firebase, PHP, AI Integration
Large Events Organization
React Native, Firebase, APIs, Translation, Internationalization, QA Leadership...




Preferred Environment

Linux Mint, Visual Studio Code (VS Code), Angular, Ionic, MySQL, Firebase, Node.js, JavaScript, TypeScript, React

The most amazing...

...application I've developed immediately turned into a business that thrived since day zero and is still growing.

Work Experience

Full-stack Developer

2020 - PRESENT
  • Developed an app for construction companies to manage the tools they own and workers share.
  • Internationalized the app in three languages to suit the Norwegian market.
  • Integrated two sets of statistics to track customer-defined metrics and general usage and behavior.
  • Created server-side functions for the app in Node.js, including an API enabling third-party communication.
  • Wrote image processing and serving functions in PHP.
Technologies: Ionic, Angular, Capacitor, Firebase

Full-stack Developer

2019 - PRESENT
Kursfortegnelse AS
  • Developed an app dedicated to saving electricians and their customers time and money.
  • Wrote the back end for managing orders and customers.
  • Wrote the Google Vision AI integration for OCR of user-supplied images and documents, speeding up adoption a lot.
Technologies: Angular, Ionic 5, Capacitor, Firebase, PHP, AI Integration

Internationalization and Beta Testing

2018 - 2020
Large Events Organization
  • Implemented the internationalization initiatives for the event app, which supported 21 languages and language-specific fallback setups.
  • Communicated with the app UI and content translators across the world. Set up an internal system to provide sufficient context and screenshots for translation.
  • Tracked the automated bug reports from Crashlytics into Jira, set priorities, and performed initial investigations to determine which developer to hand them to.
  • Communicated with the closed group of beta testers and summarized the findings in new or existing bugs in Jira.
  • Managed incoming bug reports from the public into Jira. The app had 300,000+ users before COVID-19 limited the events industry.
  • Implemented the app design and wrote validation code in React Native.
  • Executed login via a custom API tapping into the customer's pre-existing authentication flow.
  • Applied database synchronization to fully cache user data on-device, tapping into customers' pre-existing databases via a custom API.
Technologies: React Native, Firebase, APIs, Translation, Internationalization, QA Leadership, Beta Testing, Transcreation

Security Technician

1997 - 2020
Telenor | Bravida | Sønnico | Oneco
  • Installed new telecommunications and networking centrals, including PBX, switching, and related equipment.
  • Troubleshot issues with networks, security, or instabilities.
  • Installed and managed critical networking, security, and surveillance systems in banks, museums, prisons, hospitals, industrial plants, and office complexes.
  • Managed smaller teams based on the Scandinavian method of team organization: auto-managing and taking the lead or collaborating as necessary.
  • Served as the key account manager for larger clients: planned, scheduled, and organized cross-branch projects for or in collaboration with clients.
Technologies: Networks, IoT Security, Video Surveillance

A B2B Ionic, Angular, and Capacitor app for web, Android, and iOS. I developed this from a single codebase, wrote a PWA back end in Ionic and Angular, internationalized the app with three languages in the UI, and set up notifications and emails.

A B2B Ionic, Angular, and Capacitor app for web, Android, and iOS. I created this app from a single codebase, implemented Google Vision AI for document processing, and created a PWA back end with orders and client management in Ionic and Angular.
1995 - 1999

Installer in Telecommunications

Kvadraturen College, Telenor - Kristiansand, Norway











State Authorized Interpreter (Spanish)

IMDI Norway


React, Node.js, Stripe, Slack API, Google Vision API, Vue 2, Formik, Yup, Vimeo API, Socket.IO, Avalara Tax API


Capacitor, Postman, Keycloak, FreeMarker, Prisma


Ionic, Angular, React Native, Next.js, Tailwind CSS, Express.js, Laravel, OAuth 2


Linux Mint, Visual Studio Code (VS Code), Firebase, cPanel, HubSpot, Heroku, Salesforce, Docker


JavaScript, TypeScript, SQL, PHP

Industry Expertise



Responsive Layout


MySQL, Neo4j, MongoDB, PostgreSQL


Networks, Video Surveillance, Spanish, IoT Security, OCR, APIs, Ionic 5, Responsive Web Apps, Minimum Viable Product (MVP), Web Development, ESLint, Chakra UI, Spanish-English Translation, Translation, Internationalization, QA Leadership, Beta Testing, DocuSign, Apps, Typesense, AI Integration, Transcreation

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