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Arno Teigseth

@arnoteigseth

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Full-stack developer at MCS Petroleum setting up an offline-ready planning and fulfillment app.

Ecuador

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At MCS Petroleum, I'm setting up a mobile and desktop app for planning, fulfillment, communication, and compliance, with offline support and automatic synchronization.

At Mastermind.com, I guided a team of 10 modernizing multi-stack, multi-cloud back-end systems and developed platforms for 300,000+ customers. I also built AI tools, including a RAG chatbot, and custom SSO servers.

For the Quito 2026 International convention, I led a 35-volunteer TECH team supporting access management, cybersecurity, software training, and event apps. I also coordinated translation and live interpretation.

I enjoy making systems and people talk to each other. My work spans full-stack development, telecommunications, security systems, and Norwegian-Spanish-English translation and interpretation.

Experience

Work history, roles, and key accomplishments

Current

Translator and Interpreter

Current

Self Employed

Jan 2004 - Present (22 years 9 months)

Translator and interpreter between Norwegian, Spanish, and English. Court interpreter and state authorized interpreter (Norway, Spanish/Norwegian pair).

Translation Interpretation Norwegian Spanish English Court Interpreting

Lead Developer

Mastermind.com

Feb 2022 - Sep 2026 (4 years 7 months)

Lead developer guiding a team of 10 in modernizing multi-stack, multi-cloud back-end systems. Developed platforms for 300,000+ customers, employee/admin systems, integrations, monitoring, and alerting.

AWS Google Cloud Platform AI RAG SSO Circle.So HubSpot Stripe DNS CDN Email Template Development

TECH Lead, Quito 2026 Event

Jehovah's Witnesses

Dec 2024 - Aug 2026 (1 year 8 months)

Led a 35-volunteer TECH team supporting the Quito 2026 International convention, covering access management, software training, cybersecurity, microsite/app development, and access control for 11 secondary events.

Access Management Cybersecurity Software Training Microsite Development App Development Translation Coordination Live Interpretation

App Developer

JW Event App

Jan 2018 - Dec 2020 (2 years 11 months)

Managed about 50 people (QA, all remote) and implemented internationalization for an event app in 21 languages. Coordinated with translators and beta testers, tracked bugs, and built custom API integrations.

React Native Azure Internationalization QA Crashlytics Google Analytics Jira API Integration

Telecommunications and Security Engineer

OneCo

Jan 1995 - Dec 2020 (25 years 11 months)

Telecommunications, computer networks, and security systems engineer (CCTV, alarms, access control). Key Account Manager for major local institutions.

Telecommunications Networking Security Systems CCTV Alarm Access Control Key Account Management

Telecommunications and Security Engineer

Bravida

Jan 1995 - Dec 2020 (25 years 11 months)

Telecommunications, computer networks, and security systems engineer (CCTV, alarms, access control). Key Account Manager for major local institutions.

Telecommunications Networking Security Systems CCTV Alarm Access Control Key Account Management

Telecommunications and Security Engineer

Sønnico

Jan 1995 - Dec 2020 (25 years 11 months)

Telecommunications, computer networks, and security systems engineer (CCTV, alarms, access control). Key Account Manager for major local institutions.

Telecommunications Networking Security Systems CCTV Alarm Access Control Key Account Management

Telecommunications and Security Engineer

Telenor

Jan 1995 - Dec 2020 (25 years 11 months)

Telecommunications, computer networks, and security systems engineer (CCTV, alarms, access control). Key Account Manager for major local institutions.

Telecommunications Networking Security Systems CCTV Alarm Access Control Key Account Management