n8n Developer Recruitment – Citadel Nexus
Architecting the Future of Integrated Intelligence
The Mission: Beyond Automation
Citadel Nexus is not building another workflow tool.
We're engineering a living, AI-driven ecosystem where automation, intelligence, and infrastructure converge into a coherent, auditable, and self-evolving system.
We are a pre-seed tech agency based in Houston, Texas, operating at the intersection of infrastructure automation, distributed systems, and AI-augmented workflows. Our stack is not just cloud-native — it's intelligence-native.
We're now recruiting 1–2 n8n developers to help us redefine what's possible in backend management and integration architecture at scale.
This is not a "connect-the-dots" automation role.
This is a systems architect role disguised as an n8n developer role.
Who We Are: Citadel Nexus
Citadel Nexus is a guild-built platform for secure, auditable, and reproducible automation. We operate on the Zero-Enemy Strategy (ZES): every component, every integration, every failure is a learning event that strengthens the whole.
Our work spans:
- Intelligence pipelines that feed AI agents and persistent personas
- Video game asset generators powered by Unreal Engine 5.6 and browser-based rendering
- Editing pipelines that auto-generate cinematic scenes and living assets
- Containerized agent management across GPU clusters and k8s environments
- Federated and distributed learning cycles that evolve models in real time
- Custom SEO engines and analyzers that learn from behavior, not just keywords
- Custom API systems that serve as the nervous system of our ecosystem
We are not a traditional agency.
We are a tech agency building TRL 5+ systems that are rapidly approaching TRL 6 autonomy — where systems can self-diagnose, self-heal, and self-optimize.
The Role: n8n Developer as Integration Architect
You will be the integration architect of our intelligence layer — the person who ensures that data, APIs, agents, and systems speak the same language, reliably and securely.
Core Responsibilities
- Design, build, and maintain complex n8n workflows that orchestrate backend systems, AI agents, and external services
- Implement and manage over 30 edge triggers, webhooks, and subscriptions that power real-time intelligence flows
- Integrate with Open Devin, Unreal Engine 5.6, and browser-based rendering systems to automate asset and narrative generation
- Ensure error handling, retry logic, and observability across all workflows
- Collaborate with DevOps and infrastructure teams to align n8n workflows with infrastructure automation patterns
- Document and evolve workflows as living, auditable artifacts — not just scripts, but traceable decision paths
Tech Stack: Where Infrastructure Meets Intelligence
We don't just use tools. We compose them into a coherent, stateful system.
Core Technologies
- n8n: The central nervous system of our integration layer
- Terraform: Infrastructure as code for AWS, GCS, and on-prem GPU clusters
- GitLab: CI/CD, pipelines, and artifact lineage for reproducible deployments
- k3s / k8s: Lightweight and full Kubernetes clusters for containerized agent management
- AWS / GCS: Cloud technologies that power our distributed learning and rendering workloads
- PostgreSQL, Redis, Supabase: Databases that store state, session data, and operational telemetry
- Ansible: Configuration management and orchestration at scale
Collaboration & Design Tools
- Notion: Knowledge base, requirements, and workflow documentation
- Slack: Real-time communication and alerting
- Figma: Design system and UI/UX collaboration for agent interfaces
Project Capabilities: What You'll Help Build
As an n8n developer at Citadel Nexus, you're not just automating tasks — you're architecting intelligence flows.
Key Systems You'll Integrate
Video Game Asset Generators
Automate the creation of Unreal Engine 5.6 assets from AI-generated prompts, with n8n workflows triggering rendering pipelines, versioning, and distribution.Intelligence Pipelines
Connect AI models, data sources, and agents into distributed learning cycles that evolve over time, using n8n as the orchestration layer.Editing Pipelines
Automate video and cinematic generation from scripts and story beats, with n8n managing transcoding, metadata, and distribution.Containerized Agent Management
Use n8n to manage lifecycle events of AI agents across k8s clusters — scaling, restarting, and retraining based on triggers.Federated & Distributed Learning Cycles
Coordinate model updates, data sharing, and validation across isolated environments, using n8n to handle edge cases, retries, and audit trails.Custom SEO Engines & Analyzers
Build workflows that ingest search data, analyze performance, and auto-optimize content and metadata across platforms.Custom API Systems
Design and integrate internal APIs that expose AI capabilities, rendering services, and learning telemetry to external systems.
Technical Specializations: Operating at the Edge of Autonomy
We specialize in TRL 5+ systems that are approaching TRL 6 autonomy — where systems can operate with minimal human intervention, but with full auditability, governance, and traceability.
Deep Integrations Include
- Open Devin: AI software engineering agent integrated into our development and learning loops
- Unreal Engine 5.6: Real-time rendering and asset generation, orchestrated via n8n workflows
- Browser Technologies: Headless browsers and rendering agents used in SEO, editing, and intelligence pipelines
You'll work at the edge of what's possible in infrastructure automation, where DevOps, cloud technologies, and AI engineering converge.
What We're Looking For: The Integration Mindset
We're not just hiring a developer.
We're hiring a systems thinker who sees integration as a first-class concern.
Must-Have Skills
- Deep experience with n8n as a workflow automation and integration platform
- Strong understanding of APIs, webhooks, edge triggers, and subscriptions
- Proficiency in JSON manipulation, data transformation, and error handling in workflows
- Familiarity with DevOps practices and infrastructure automation (Terraform, Ansible, GitLab CI/CD)
- Experience with cloud technologies (AWS, GCS) and distributed systems (k8s, k3s)
- Ability to work with PostgreSQL, Redis, and Supabase as data backends for workflows
Bonus: The Future-Proof Edge
- Experience with AI/LLM integrations in n8n (OpenAI, Anthropic, etc.)
- Understanding of federated learning, distributed learning, and agent-based systems
- Interest in TRL-based system design and autonomous system patterns
- Comfort with browser automation and Unreal Engine integrations
Why This Role Matters: Concepts Worth Sharing
This role is a microcosm of a much larger shift in how we think about backend management, integration, and automation.
1. n8n as a Systems Layer, Not Just a Tool
n8n is often seen as a "no-code" tool for simple automations.
But in advanced setups, n8n becomes the integration layer of a distributed system — the glue between AI, infrastructure, and business logic.
When you treat n8n workflows as auditable, versioned, and testable artifacts, you're not just automating tasks.
You're building a living architecture.
2. Integration as a First-Class Concern
Most teams treat integration as an afterthought.
At Citadel Nexus, integration is the core.
Every webhook, every edge trigger, every subscription is a decision point in a larger system.
The n8n developer becomes the integration architect, responsible for reliability, observability, and evolution.
3. Infrastructure Automation Meets AI Engineering
We're at the point where infrastructure automation (Terraform, k8s, Ansible) and AI engineering (Open Devin, LLMs, agents) must speak the same language.
The n8n developer is uniquely positioned to bridge these worlds — using workflows to orchestrate not just apps, but AI agents, learning cycles, and rendering pipelines.
4. TRL 5+ Systems: The Path to Autonomy
Most automation is TRL 3–4: it works in a lab, but breaks in production.
We're building TRL 5+ systems that are robust, auditable, and approaching TRL 6 autonomy.
This requires:
- Stateful workflows with memory and context
- Error handling that's not just "retry," but "learn and adapt"
- Audit trails that trace every decision, every trigger, every outcome
The n8n developer is not just a builder.
They are a guardian of system integrity.
5. The Guild Model: Developer as Knowledge Weaver
At Citadel Nexus, we operate as a guild — a community of builders, professors, and evaluators who share knowledge and evolve together.
The n8n developer is not just a coder.
They are a knowledge weaver, documenting workflows, teaching patterns, and contributing to a shared, evolving knowledge fabric.
Join Us: Shape the Future of Intelligent Systems
If you see n8n not as a simple automation tool, but as a systems layer for distributed intelligence, then this role is for you.
We're not just hiring for backend management.
We're hiring to build the integration backbone of a living, AI-driven ecosystem.
Contact
If this vision resonates, reach out to start the conversation.
📧 Email: legal@citadel-nexus.com
📍 Location: Houston, Texas (remote-friendly, pre-seed tech agency)
Final Thought: The Integration Mindset
In a world of siloed tools and fragmented systems, the most valuable skill is not coding — it's integration.
The n8n developer who understands infrastructure automation, distributed systems, and AI engineering is not just a developer.
They are a systems architect of the intelligent era.
And that's exactly who we're looking for.
Let this not just be a job post.
Let it be a manifesto for the next generation of integration engineers.
What does the n8n Developer / Integration Architect role at Citadel Nexus involve?
You will design, build, and maintain complex n8n workflows that orchestrate backend systems, AI agents, rendering pipelines, and external services. The role emphasizes systems thinking: error handling, retries, observability, auditability, and evolving workflows into traceable, versioned artifacts.
Is this a typical "connect-the-dots" automation job?
No. This is a systems-architect role disguised as an n8n role. You'll treat n8n as the integration layer of distributed systems — building stateful, auditable workflows that integrate infrastructure automation, AI agents, and orchestration at scale.
How many positions are open and where is the company located?
Citadel Nexus is recruiting 1–2 n8n developers. The company is based in Houston, Texas, and is remote-friendly.
What are the must-have technical skills?
Deep experience with n8n for automation and integration; strong understanding of APIs, webhooks, edge triggers and subscriptions; proficiency in JSON and data transformation; robust error handling; familiarity with infrastructure automation (Terraform, Ansible), GitLab CI/CD, and cloud/distributed systems (AWS/GCS, k3s/k8s). Experience with PostgreSQL, Redis, or Supabase is expected.
Are AI / LLM and agent experience required?
Not strictly required but highly desirable. Bonus points for experience integrating OpenAI/Anthropic-style models, agent frameworks, federated or distributed learning patterns, and agent lifecycle orchestration.
What types of projects will I work on?
Projects include automating Unreal Engine 5.6 asset generation and rendering pipelines, intelligence pipelines that feed agents and persistent personas, editing/transcoding pipelines for cinematic assets, containerized agent lifecycle management across GPU clusters, federated learning orchestration, and building custom API systems and SEO analyzers.
What does "TRL 5+ systems" and "approaching TRL 6 autonomy" mean here?
TRL (Technology Readiness Level) 5+ indicates systems that work in relevant environments with repeatable behavior. Approaching TRL 6 autonomy means building systems that can self-diagnose, self-heal, and self-optimize with robust auditability, stateful workflows, and adaptive error handling rather than ad-hoc retries.
What is the "Zero-Enemy Strategy (ZES)" and how does it affect the role?
ZES treats every component, integration, and failure as a learning event that strengthens the system. As an integration architect, you'll design workflows and observability so failures become traceable lessons — improving resilience, telemetry, and automated corrective behavior.
What collaboration and design tools will I use?
Primary collaboration tools include Notion for documentation and requirements, Slack for real-time communication and alerts, and Figma for UI/UX and agent interface design. GitLab is used for CI/CD and artifact lineage.
How important is documentation and auditability?
Extremely important. Workflows are treated as living, auditable artifacts with versioning and traceable decision paths. You'll be expected to document flows, failure modes, and remediation steps so the system can be evaluated and evolved by the guild.
What does the guild model mean for developers?
The guild model emphasizes shared knowledge, peer review, and continuous learning. Developers act as knowledge-weavers: documenting patterns, contributing best practices, and participating in evaluation loops that raise the collective skill level.
Will I need to write code outside of n8n (e.g., scripts, services)?
Yes. While n8n is central, you will likely write helper scripts, custom nodes, and integrate with APIs and infrastructure code (Terraform, Ansible). Expect occasional work on containerized services, CI/CD pipelines, and small tooling to support workflows.
How do I apply or start a conversation about the role?
If the vision resonates, reach out by email to legal@citadel-nexus.com to start the conversation. Include a brief summary of relevant experience, examples of n8n or integration work, and any links to public projects or documentation.
Is compensation or seniority level specified?
The posting does not list specific compensation. Citadel Nexus is a pre-seed, remote-friendly tech agency hiring for a senior, systems-oriented n8n role. Compensation and level will be discussed during the interview process.
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