Senior Node.js Developer | Margarita Kremhöller Application

Candidate Application • Tailored for Margarita Kremhöller

Margarita Kremhöller

Verified Talent Partner

Senior Talent Acquisition Partner • Twin Harbour Interactive

Hey Margarita, rather than sending another static PDF CV into your LinkedIn InMail, I made this live application using my agentic AI product: WolfPack

It proves 20+ years of software craft, deep Node.js & TypeScript mastery, legacy PHP modernization experience, and AI-native engineering workflows ready to help scale Warhammer 40,000: Supremacy from day one.

Role

Senior Node.js Developer

Node.js / TypeScript / GCP / AI Tools

Studio & Location

Twin Harbour Interactive • Warhammer 40,000: Supremacy

Valletta, Malta / Hamburg, Germany (Flexible Hybrid)

Specialist Talent Partner:Twin Harbour Interactive

Stillfront Group • Hamburg & Malta

Download CV (PDF)

1:1 Alignment & Evidence

Why We Should Start a Conversation

Directly mapping your Senior Node.js Developer mandate for Warhammer 40,000: Supremacy against 20+ years of proven software engineering, PHP modernization, and live production code.

Legacy PHP to Modern Node.js Modernization

Twin Harbour Mandate Requirement:"Take ownership for maintaining our legacy central meta-data PHP-service... modernizing our meta-data service adopting new Node.js services created by our Web-API team and helping them form this completely new stack."

Demonstrated Delivery: Extensive experience guiding zero-downtime transitions from legacy PHP backends to modular TypeScript and Node.js microservices. Deep familiarity with PHP backend patterns, database migrations, and strangler-fig migration architectures.

Legacy PHP ModernizationZero-Downtime MigrationClean API Boundary Architecture

Node.js, TypeScript & Framework Mastery

Twin Harbour Mandate Requirement:"7+ years of proven experience in Node.js/TypeScript development... Proficiency in popular frameworks such as Next.js, Nest.js, Express.js, Turbopack, and Jest."

Demonstrated Delivery: 20+ years of software craft with deep daily production experience in Node.js and TypeScript. Comprehensive mastery of Nest.js microservices, Express APIs, Next.js web applications, and modular Nx/Turbopack enterprise monorepos.

20+ Years Software CraftNest.js, Express & Next.jsStrict TypeScript & Monorepos

High-Load Distributed Services & Google Cloud

Twin Harbour Mandate Requirement:"Experience developing multi-server, high-load backend services and APIs... Hyperscalers like GCP, networking, MySQL, Pub/Sub, and Redis."

Demonstrated Delivery: Architecting distributed cloud services on Google Cloud Platform (GCP). In-depth implementation of Redis distributed caching, high-concurrency MySQL/PostgreSQL schema design, and asynchronous GCP Pub/Sub messaging for real-time player data.

Google Cloud Platform (GCP)GCP Pub/Sub & Event QueuesRedis Caching & MySQL Scale

Active AI Integration & Workflow Automation

Twin Harbour Mandate Requirement:"Innovation is part of our DNA. We actively integrate Artificial Intelligence to reduce repetitive tasks... Demonstrated ability to effectively integrate AI tools into development workflows for code generation, debugging, and technical research."

Demonstrated Delivery: AI-native engineering practitioner and author of `@goldlabelapps/agent-layer` on npm. Daily practitioner of autonomous agent loops, deterministic tool-calling schemas, and AI-assisted workflows that compound engineering velocity.

@goldlabelapps/agent-layerAutonomous Agent ToolingDeterministic Schema Guardrails

Grand Strategy Gaming Passion & Player Focus

Twin Harbour Mandate Requirement:"You are enthusiastic about games and ideally strategy games... Passion for the Warhammer 40,000 universe and grand strategy gaming."

Demonstrated Delivery: Lifelong strategy gaming enthusiast with deep admiration for the Warhammer 40,000 universe and long-term multiplayer mechanics. Committed to delivering rock-solid backend stability and responsiveness that players depend on in competitive grand strategy.

Warhammer 40,000 LoreGrand Strategy EnthusiastPlayer-Centric Engineering

Live Code Proof & Architecture

Inspect working production code, deterministic agent tooling, and enterprise monorepo standards.

Goldlabel Enterprise Nx Monorepo

TypeScript & Node.js Architecture

Live monorepo demonstrating end-to-end TypeScript architecture, microservice boundaries, automated CI/CD pipelines, and rigorous type-safety across distributed apps.

Strict TypeScript & modular packages

Turbopack & modern build pipelines

Shared UI, utilities & API schemas

github.com/goldlabelapps/nx