Nicholas Maassen
Full-stack engineer. Shipping software for users' actual workflows.
Contracting with Avodah Software since Feb 2024.
Worked on 9 client products across payments, scheduling, AI-assisted healthcare, and
multi-tenant admin tools, leading 4 end-to-end and contributing substantial slices to 5 more.
Strong on translating ambiguous client asks into scoped launches, production hardening,
and prompt engineering for agentic AI.
Currently
Mid-level engineer looking for my next role at a devtools or AI company.
Implementation engineer, forward-deployed engineer, customer engineer, or product engineer.
Selected Work
TypeScript · React · Firestore · Cloudflare Pages
Real-time review tool for cube-building hobbyists. Immutable change log lets any anonymous user
branch and re-share from any prior point, so identity-based trust is unnecessary.
Six change types (swap / add / remove / keep / reject / decline), threaded @-mention comments,
virtualized rendering for 500+ cards, CubeCobra-compatible export.
Live
·
Code
TypeScript · React · Firebase
Drag-and-drop pairwise ranking on desktop and mobile. Heap-sort surfaces a top-7,
then merge-sort produces the final order, minimizing the comparisons users have to make.
Includes a social guessing loop where friends try to predict your top traits before you reveal them.
Anonymous Firebase sessions with exportable results.
Live
·
Code
TypeScript · React · Bun · Fastify · Cloudflare Workers · Supabase · Stripe Connect · Microsoft Graph · Deepgram
Worked on 9 client products at Avodah since Feb 2024 — led 4 end-to-end and contributed substantial
slices to 5 more. Highlights: an AI-assisted healthcare workflow with streaming transcription,
Microsoft Bookings/Teams integration, and parallel-agent LLM review; a GoHighLevel + Cloudflare
Workers scheduling integration; a B2B used-car wholesale marketplace with Stripe Connect ACH
escrow, FedEx integration, and an invite/onboarding flow.
Resume (PDF)