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rapidlaunchcode.app

Independent technology advisory and engineering. København, Denmark.

Njalsgade 21F, 2. sal, København

CVR 45 44 13 93

Nicklas@rapidlaunchcode.app

WhatsApp +45 31 33 25 99

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© 2026 Rapid Launch Code ApS. All rights reserved.

Built in København with Next.js, Contentful, and zero consultancy bullshit.

Independent senior engineer · København

Most projects burn six months on the wrong foundation. I help you ship in six weeks.

Independent advisory and fixed-scope engineering for product teams that are tired of vague proposals, inflated timelines, and consultants who disappear after kickoff.

Book a 30-min callSee the Starter
By the numbers
0+
years shipping production software
since 2018 · Web · Mobile · CMS
0+
projects shipped end-to-end
from 4-week sprints to 18-month builds
0
industries served
regulated, B2C, B2B, public sector
0
productized starter for enterprise
Next.js + Contentful, ready to ship
What I'm actually expert in

Stacks I've shipped to production for paying customers. With the years to back it up.

No padded resume. If a tech is on this list, I've taken something using it from kick-off to production at least three times.

Frontend

Next.js App Router by default. React Server Components where they pay off.

React
8 yrs
Next.js (App Router)
7 yrs
TypeScript
7 yrs
Tailwind CSS
5 yrs
Backend & APIs

Node and typed APIs. Database-agnostic. Convex, Mongo, Firebase, Postgres, MS SQL: I work with whatever you already use.

Node.js
8 yrs
REST APIs
8 yrs
GraphQL
7 yrs
Mobile

Expo + React Native. EAS for OTA, builds, and store releases. Native modules only when the product needs them.

React Native
8 yrs
Expo
8 yrs
CMS & content

Contentful for enterprise. Umbraco for .NET shops. Content modeling matters more than the tool.

Contentful
5 yrs
Umbraco
5 yrs
Cloud & DevOps

Vercel for frontend. Azure or Google Cloud when the org requires it. Pipelines that fail loud.

Vercel
7 yrs
GitHub Actions
7 yrs
Microsoft Azure
5 yrs
Google Cloud
5 yrs
Data & realtime

Convex for realtime. MongoDB for document data. Firebase for fast prototypes.

Convex
5 yrs
MongoDB
5 yrs
Firebase
5 yrs
AI

Model fine-tuning, custom tool calling, data enhancement. Production work, not demos.

OpenAI
3 yrs
Anthropic
3 yrs
Gemini
3 yrs
Deepseek
3 yrs
Industries shipped to

Real Estate, Airlines, NGOs, Shipping, Unions, Festivals, Public sector.

Different rules, same core: regulated environments, content at scale, and stakeholders who don't tolerate silly mistakes.

01 / 06
Real Estate
6 yrs in
02 / 06
Airlines
4 yrs in
03 / 06
NGOs
5 yrs in
04 / 06
Shipping & Logistics
7 yrs in
05 / 06
Unions
3 yrs in
06 / 06
Festivals
4 yrs in
Productized offering

Enterprise Next.js + Contentful Starter

The 5–6 months of foundation work Contentful doesn't ship out of the box. Typed content modeling-as-code, a composable block engine, real i18n, schema-driven forms, site search, CMS-driven analytics tracking, on-demand ISR, and an enterprise security posture. Drop it in, customize the brand, ship faster.

PRODUCT

Enterprise Next.js + Contentful Starter

  • ›One-command Contentful provisioning · content models as code
  • ›Typed page-block engine: 8 blocks, 9 grids, 5 feature layouts
  • ›Real i18n: localized slugs, hreflang, CMS-driven dictionaries
  • ›Schema-driven forms with attachments, conditional routing, sanitisation
  • ›Algolia site search over the entire block graph
  • ›CMS-driven events → Plausible, GTM, or any provider you enable
  • ›Strict CSP + HSTS + rate limiter + DOMPurify + Cookiebot-ready
  • ›On-demand ISR via signed Contentful webhook
See the Starter
0–6 mo
of foundation work cut from your timeline
vs. building this in-house from scratch

“It is extremely satisfying to be able to give Nicklas a scope and simply redirect my focus elsewhere, because I know Nicklas is capable of remaining critical of both Delivery-Quality, and Value-Sanity. Nicklas will take any request and turn it into a functional product.”

Mikkel Sejersen, Head of Engineering at Maersk Training

How I work

Three steps. No theatre.

01

Diagnose

One paid week of discovery. You leave with a written report: scope, risks, recommended stack, fixed price for what comes next. Yours to keep, no strings.

02

Build or guide

Either I build the fixed-scope sprint myself, or I sit with your team as fractional CTO. Daily progress in plain text, not status meetings.

03

Hand off

Runbooks, architecture diagrams, retro. You can fire me without losing a single bit of context. That's the point.

What I won't do

Saying no is half the value.

✕

I won't bill you for slides.

If I can't put it in a commit, in a doc, or in a runbook, I won't charge for it.

✕

I won't pick a stack to look impressive.

I'll match the stack to your goals and constraints, with clear pros and cons across real options. Heavy patterns—microservices, Kubernetes, event-sourcing—only when the situation actually calls for them.

✕

I won't ghostwrite RFP responses.

If a vendor needs me to fill in their proposal, you don't want that vendor.

✕

I won't stay after handover.

Lock-in is a smell. The goal is for you to not need me.

Recent work, anonymized

What ships when the foundation is right.

Specific outcomes, no logos, no marketing fluff. Stack and result only.

01
Airlines
Umbraco · Razor · .NET

Lego-block CMS: editors compose pages from typed content blocks. Live-ops API integration. No engineering ticket per landing page.

02
Real estate
React Native · Expo · custom backend

Solo-built foundation in 1.5 months wired up the entire backend. First production release at month three.

03
Shipping & logistics
Next.js · React · Azure

Live cargo tracking and fleet telemetry hooked into Azure. Operations get real-time visibility, no spreadsheets.

04
Shipping & logistics
Next.js · Contentful · commerce

Fully CMS-driven storefront with commerce. Marketing ships campaigns without engineering.

05
Festivals
React Native · Expo · custom backend

Hit #1 in the App Store Lifestyle category. Custom backend, deep links, push at scale.

06
NGOs
Umbraco · Razor · .NET

Legacy site revamped for 2024 with stronger SEO foundations and event tracking. Traffic and conversion measurable from day one.

07
Unions
Next.js · Contentful · conversational forms

Fully flexible site plus a signup flow with branching, conversational paths, all configured in Contentful. Members opt in step by step instead of facing a wall of fields.

Two ways to start

Talk to me, or buy the foundation.

Book a 30-min call

Bring a project you're scoping, a quote you don't trust, or a system you're stuck on. I'll be useful or I'll tell you who is.

Book a 30-min call

Buy the Enterprise Starter

Skip 5–6 months of foundation work. Starts at EUR 35,000, one-time license, your team owns the code.

See the Starter