AI/LLM Integration & Full-Stack Engineering | RAG, AI Agents, n8n Automation
Aktualisiert am 22.06.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.07.2026
Verfügbar zu: 100%
davon vor Ort: 0%
LLM Integration
AI Agents
API Integration
RAG
MCP
n8n
Workflow Automation
Python
FastAPI
TypeScript
Next.js
React
LLM Orchestration
Multi-Agent Systems
Prompt Engineering
REST APIs
Webhooks
PostgreSQL
Supabase
Docker
CI/CD
Stripe
System Integration
German
Fluent
English
Fluent

Einsatzorte

Einsatzorte

Berlin (+50km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 years 6 months
2024-01 - now

Independent Engineering & Production Delivery

  • Architected and shipped 10+ production systems solo across FinTech, legal-tech, B2B SaaS, and DeFi tooling domains
  • Built AI-augmented engineering workflow combining architectural ownership with multi-agent code generation and rigorous output validation
  • Delivered paid client engagements end-to-end including German legal-tech and SMB client websites
Berlin
1 year 1 month
2025-12 - 2026-12

Legal-Tech Production Platform (BRAO/GDPR)

Full-Stack Engineer, AI/LLM Integration Next.js FastAPI n8n ...
Full-Stack Engineer, AI/LLM Integration

  • Took inherited MVP to production-ready state for a German Anwaltskanzlei: BRAO + GDPR-compliant architecture, EU-only sub-processor allowlist
  • N8N-orchestrated bidirectional sync layer between self-hosted Supabase and external case-management system of record
  • Document generation pipeline for legal briefs in firm letterhead via Gotenberg, deadline state machine, AI agent for case search

Next.js FastAPI n8n Supabase PostgreSQL Docker LLM Integration RAG AI Agents REST APIs Webhooks GDPR/Compliance Next.js 15 N8N Azure OpenAI EU
NDA
remote
4 months
2025-12 - 2026-03

Multi-Source Data Aggregation Pipeline

Backend Engineer, Data Integration Python PostgreSQL BeautifulSoup ...
Backend Engineer, Data Integration
  • Headless ingestion service running 29 source parsers across APIs, ATS systems, RSS feeds, and HTML scrapers
  • Three-layer deduplication with batch pre-fetch optimization; circuit breakers per source with auto-recovery
  • Plugin architecture: each new source added with one parser file plus config entry
Python PostgreSQL BeautifulSoup Docker REST APIs Data Integration Web Scraping
Remote
7 months
2024-12 - 2025-06

Career-Intelligence SaaS (AI Job-Matching)

Full-Stack Engineer, AI/LLM Integration Python Flask PostgreSQL ...
Full-Stack Engineer, AI/LLM Integration

  • Three-repo subscription platform shipped solo end-to-end: Flask backend with 9 distinct AI operations, bilingual Next.js frontend with 9 dashboard pages, headless data aggregator with 29 source parsers
  • 5-tier LLM evaluation pipeline with cost-tiered model routing across Anthropic and OpenRouter
  •  Credit-based billing with atomic RPC deductions, Stripe webhooks, fallback model chains

Python Flask PostgreSQL Supabase Anthropic OpenRouter Stripe Docker LLM Orchestration RAG Multi-Agent Systems TypeScript Next.js 15
Remote

Aus- und Weiterbildung

Aus- und Weiterbildung

Kaufmann im Groß- und Außenhandel

Deltatecc GmbH


Certifications

  • IT Infrastructure & Cybersecurity
  • CompTIA A+, Network+, Security+

Position

Position

Full-Stack Engineer | AI Systems & Integration

Kompetenzen

Kompetenzen

Top-Skills

LLM Integration AI Agents API Integration RAG MCP n8n Workflow Automation Python FastAPI TypeScript Next.js React LLM Orchestration Multi-Agent Systems Prompt Engineering REST APIs Webhooks PostgreSQL Supabase Docker CI/CD Stripe System Integration

Schwerpunkte

LLM Integration
Experte
AI Agents
Experte
API Integration
Experte
Python
Experte
FastAPI
Experte
n8n
Experte
RAG
Fortgeschritten
MCP
Fortgeschritten
Multi-Agent Systems
Fortgeschritten
LLM Orchestration
Fortgeschritten
Prompt Engineering
Fortgeschritten
TypeScript
Fortgeschritten
Next.js
Fortgeschritten
React
Fortgeschritten
PostgreSQL
Fortgeschritten
Supabase
Fortgeschritten
Webhooks
Fortgeschritten
System Integration
Fortgeschritten
Workflow Automation
Fortgeschritten
Docker
Fortgeschritten
Stripe
Fortgeschritten
CI/CD
Fortgeschritten
OAuth
Basics
Web Scraping,
Fortgeschritten
Flask
Basics
Linux
Basics

  • Focused on production-grade AI and LLM integration.
  • RAG, AI agents and multi-model orchestration over OpenRouter, embedded into real APIs, databases and workflows. Plus system and API integration over REST and webhooks, and n8n workflow automation.
  • Full stack: Python and FastAPI on the backend, Next.js and React on the frontend. 
  • Backed by several production systems, including a BRAO/GDPR-compliant legal-tech platform and an AI SaaS with a five-stage evaluation pipeline for hundred thousand entries.

Produkte / Standards / Erfahrungen / Methoden

Profile

Berlin-based full-stack engineer focused on AI-augmented system delivery, Python integration pipelines, and end-to-end production rollouts. Background in FinTech delivery and technical project management. Ship production systems solo by combining architectural decision-making, AI agent orchestration, and rigorous output validation. Production experience in regulated environments (BRAO/GDPR) and payment-adjacent systems (Stripe billing, FinTech background at a payment provider).


Core Capabilities

Integration & Pipelines

  • REST API integration
  • OAuth flows
  • webhook architectures
  • N8N workflow orchestration
  • multi-source data ingestion


AI Systems

  • LLM orchestration (Anthropic, OpenRouter)
  • prompt engineering
  • multi-model pipelines
  • RAG, cost-tiered model routing


Stack

  • Python
  • TypeScript
  • Rust
  • Next.js
  • FastAPI
  • Flask
  • Supabase
  • PostgreSQL
  • Stripe
  • Docker
  • GitHub Actions


Domains shipped against

  • FinTech, regulated data (legal-tech, BRAO/GDPR)
  • SaaS with Stripe billing
  • DeFi tooling
  • B2B field sales

Branchen

Branchen

  • FinTech
  • Legal-Tech
  • SaaS
  • E-Commerce

Einsatzorte

Einsatzorte

Berlin (+50km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 years 6 months
2024-01 - now

Independent Engineering & Production Delivery

  • Architected and shipped 10+ production systems solo across FinTech, legal-tech, B2B SaaS, and DeFi tooling domains
  • Built AI-augmented engineering workflow combining architectural ownership with multi-agent code generation and rigorous output validation
  • Delivered paid client engagements end-to-end including German legal-tech and SMB client websites
Berlin
1 year 1 month
2025-12 - 2026-12

Legal-Tech Production Platform (BRAO/GDPR)

Full-Stack Engineer, AI/LLM Integration Next.js FastAPI n8n ...
Full-Stack Engineer, AI/LLM Integration

  • Took inherited MVP to production-ready state for a German Anwaltskanzlei: BRAO + GDPR-compliant architecture, EU-only sub-processor allowlist
  • N8N-orchestrated bidirectional sync layer between self-hosted Supabase and external case-management system of record
  • Document generation pipeline for legal briefs in firm letterhead via Gotenberg, deadline state machine, AI agent for case search

Next.js FastAPI n8n Supabase PostgreSQL Docker LLM Integration RAG AI Agents REST APIs Webhooks GDPR/Compliance Next.js 15 N8N Azure OpenAI EU
NDA
remote
4 months
2025-12 - 2026-03

Multi-Source Data Aggregation Pipeline

Backend Engineer, Data Integration Python PostgreSQL BeautifulSoup ...
Backend Engineer, Data Integration
  • Headless ingestion service running 29 source parsers across APIs, ATS systems, RSS feeds, and HTML scrapers
  • Three-layer deduplication with batch pre-fetch optimization; circuit breakers per source with auto-recovery
  • Plugin architecture: each new source added with one parser file plus config entry
Python PostgreSQL BeautifulSoup Docker REST APIs Data Integration Web Scraping
Remote
7 months
2024-12 - 2025-06

Career-Intelligence SaaS (AI Job-Matching)

Full-Stack Engineer, AI/LLM Integration Python Flask PostgreSQL ...
Full-Stack Engineer, AI/LLM Integration

  • Three-repo subscription platform shipped solo end-to-end: Flask backend with 9 distinct AI operations, bilingual Next.js frontend with 9 dashboard pages, headless data aggregator with 29 source parsers
  • 5-tier LLM evaluation pipeline with cost-tiered model routing across Anthropic and OpenRouter
  •  Credit-based billing with atomic RPC deductions, Stripe webhooks, fallback model chains

Python Flask PostgreSQL Supabase Anthropic OpenRouter Stripe Docker LLM Orchestration RAG Multi-Agent Systems TypeScript Next.js 15
Remote

Aus- und Weiterbildung

Aus- und Weiterbildung

Kaufmann im Groß- und Außenhandel

Deltatecc GmbH


Certifications

  • IT Infrastructure & Cybersecurity
  • CompTIA A+, Network+, Security+

Position

Position

Full-Stack Engineer | AI Systems & Integration

Kompetenzen

Kompetenzen

Top-Skills

LLM Integration AI Agents API Integration RAG MCP n8n Workflow Automation Python FastAPI TypeScript Next.js React LLM Orchestration Multi-Agent Systems Prompt Engineering REST APIs Webhooks PostgreSQL Supabase Docker CI/CD Stripe System Integration

Schwerpunkte

LLM Integration
Experte
AI Agents
Experte
API Integration
Experte
Python
Experte
FastAPI
Experte
n8n
Experte
RAG
Fortgeschritten
MCP
Fortgeschritten
Multi-Agent Systems
Fortgeschritten
LLM Orchestration
Fortgeschritten
Prompt Engineering
Fortgeschritten
TypeScript
Fortgeschritten
Next.js
Fortgeschritten
React
Fortgeschritten
PostgreSQL
Fortgeschritten
Supabase
Fortgeschritten
Webhooks
Fortgeschritten
System Integration
Fortgeschritten
Workflow Automation
Fortgeschritten
Docker
Fortgeschritten
Stripe
Fortgeschritten
CI/CD
Fortgeschritten
OAuth
Basics
Web Scraping,
Fortgeschritten
Flask
Basics
Linux
Basics

  • Focused on production-grade AI and LLM integration.
  • RAG, AI agents and multi-model orchestration over OpenRouter, embedded into real APIs, databases and workflows. Plus system and API integration over REST and webhooks, and n8n workflow automation.
  • Full stack: Python and FastAPI on the backend, Next.js and React on the frontend. 
  • Backed by several production systems, including a BRAO/GDPR-compliant legal-tech platform and an AI SaaS with a five-stage evaluation pipeline for hundred thousand entries.

Produkte / Standards / Erfahrungen / Methoden

Profile

Berlin-based full-stack engineer focused on AI-augmented system delivery, Python integration pipelines, and end-to-end production rollouts. Background in FinTech delivery and technical project management. Ship production systems solo by combining architectural decision-making, AI agent orchestration, and rigorous output validation. Production experience in regulated environments (BRAO/GDPR) and payment-adjacent systems (Stripe billing, FinTech background at a payment provider).


Core Capabilities

Integration & Pipelines

  • REST API integration
  • OAuth flows
  • webhook architectures
  • N8N workflow orchestration
  • multi-source data ingestion


AI Systems

  • LLM orchestration (Anthropic, OpenRouter)
  • prompt engineering
  • multi-model pipelines
  • RAG, cost-tiered model routing


Stack

  • Python
  • TypeScript
  • Rust
  • Next.js
  • FastAPI
  • Flask
  • Supabase
  • PostgreSQL
  • Stripe
  • Docker
  • GitHub Actions


Domains shipped against

  • FinTech, regulated data (legal-tech, BRAO/GDPR)
  • SaaS with Stripe billing
  • DeFi tooling
  • B2B field sales

Branchen

Branchen

  • FinTech
  • Legal-Tech
  • SaaS
  • E-Commerce

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

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Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

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