Hi, I'm Jakob.

I build secure apps & websites

  • 15+ years building software
  • AI-first workflow
  • Startups, enterprise, and my own projects
No bloatBloated themesPlugin overloadPage-builder lock-in

About me

Built so it does not get hacked.

Award of Distinction

MSc Cyber Security

University of Southampton

  • Ranked 6th in the UK for Computer Science and 1st for graduate prospects (Complete University Guide 2017).

First Grade

BSc Computer Science

University of Iceland

  • Taught web development as an assistant teacher and worked as a developer alongside the degree.

Exchange

Computer Science

University of California, Santa Barbara

  • Exchange semester focused on software architecture and cloud computing.
  • Ranked 38th globally (ARWU 2015).

Also on record

MSc programme certified by the UK National Cyber Security CentreCertified server management coursePenetration testing courseworkWeb and application security coursework

Proven at work

Digital signaturesCertificate managementSecure file transferEnterprise document securitySole engineer for product and security at a startupSecurity improvements on live production systems

Work

Selected case studies and work

Products, websites, and company collaborations. Open one to see the work and what changed.

PourSelf public website introducing the self-service drink product
Solo developer2022

PourSelf

PourSelf was a self-service drink machine and app for which I was the sole developer, covering drink scanning, payments, IoT communication, backend services, admin tooling, and the public website.

Website + iOS & Android appView
The Aurbjörg financial overview website.
Employer2024 - 2025

Aurbjörg

Worked with the Aurbjörg team on full-stack product engineering across Kubernetes, Azure, React, TypeScript, and .NET 8 production systems.

Web appView
Signet website for electronic document signing.
Employer2018 - 2022

Advania

Four years building Signet products at Advania in React, .NET, Python, and SQL.

Several web productsView
Barhopp mobile app screen showing nightlife discovery
Solo developer2023

Barhopp

A live Iceland nightlife app with 12,000+ downloads, built around happy hours, venue discovery, events, and local bar onboarding.

iOS & Android app + websiteView
See more

Case study

Recent project

Blue Paradise needed a new website due to weak SEO and a broken booking link. Here is the difference, measured with public Lighthouse tools.

Blue Paradise coliving website section

Before

Old client site

A WordPress theme sold as SEO-ready. The audit told a different story.

After

New client site

My Next.js rebuild uses static pages, optimized images, real locales, and clean SEO.

Performance

63

Performance

+34

97

Accessibility

86

Accessibility

+14

100

Best Practices

96

Best Practices

+4

100

SEO

50

SEO

+50

100

AI agents

0/2

AI agents

+2/2

2/2

Results only weeks after launch

Organic clicks
+167%
Visitors from target-language countries
+40%
Visitors from locations of interest
Up from 5% of all visits
64%

Booking requests are up.

See this case studySee all

Capabilities

What I do

Websites, apps, and automation built around a clear job.

  • 01

    Websites

    Fast, accessible websites built to be found and easy to maintain.

    What I guarantee

    • 100% SEOaccording to Lighthouse
    • 100% accessibleaccording to Lighthouse
    • Fully indexableaccording to external crawl checks
    • >90% performanceaccording to Lighthouse
    Website work
  • 02

    Apps

    Useful iOS and Android products, from the first version to release.

    What I guarantee

    • One codebase for iOS and Android
    • Release support
    • Reliable updates
    • Clear handoff
  • 03

    Automation and internal tools

    Systems that remove repetitive work and make failures visible.

    What I guarantee

    • Visible run history
    • Failure alerts
    • Manual recovery
    • Clear ownership
  • React
  • Next.js
  • TypeScript
  • React Native
  • Expo
  • Node.js
  • Python
  • Django
  • .NET 8
  • C#
  • PostgreSQL
  • MongoDB
  • Redis
  • Supabase
  • Firebase
  • Semantic search
  • OpenAI & Claude APIs
  • n8n
  • Azure
  • Kubernetes
  • Docker
  • GitHub Actions
  • Vercel
  • Shopify

Speaking & teaching

Speaker & Workshops

Topics on hacking and security.

How Hackers Break AI-Built Apps, and How to Build Yours Securely

Talk

How AI-built products expose permissions, secrets, limits, and AI tools, shown through short recorded attacks.

Vibe code with security in mind

Workshop

A hands-on session for moving fast without skipping permissions, secrets, data ownership, rate limits, and basic attack testing.

Protecting your accounts and devices on the go

Talk

Digital and physical security for travel, including account recovery, lost-device preparation, shared networks, and public spaces.

Jakob speaking during a presentation

Blog

From the blog

Sharp notes on security, performance, and shipping websites that hold up.

See all

WhatsApp hello@jakobinn.comLinkedIn

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