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sandan AI

Dream at human scale. Grow with AI. Building the leading growth platform for entrepreneurs of tomorrow. | eCom & SaaS

Senior Full-Stack Developer / AI Engineer

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 11-50Since 2025H1B No SponsorCompany SiteLinkedIn

Location

DACH

Posted

62 days ago

Salary

0

Seniority

Senior

Job Description

Senior Full-Stack Developer / AI Engineer

sandan AI

Role Description Standort: Berlin / Remote (DACH-Zeitzone) Anstellung: Vollzeit, unbefristet Start: Ab sofort Sprache: Deutsch muttersprachler Niveau (C2 Level) - Entwicklung und Wartung unserer Full-Stack-Applikationen im modernen JavaScript-/TypeScript-Ökosystem - Konzeption und Umsetzung skalierbarer Backend-Services mit Node.js und Nest.js - Implementierung performanter Frontend-Lösungen mit React.js und Next.js - Design und Optimierung relationaler Datenbanken (PostgreSQL, MySQL, MS SQL) - Containerisierung und Orchestrierung von Services mittels Docker und Kubernetes - Entwicklung und Integration von REST-APIs - Aufbau und Betrieb von Data-Pipelines, Feature-Stores und ML-Workflows für unsere agentischen Systeme - Entwicklung, Training und Evaluation von Machine-Learning-Modellen für Marketing-Use-Cases (Attribution, Targeting, Forecasting, Anomaly Detection) - Implementation von Retrieval-Augmented-Generation-Pipelines (Embeddings, Vector Stores, Re-Ranking) - Aufsetzen und Pflegen von LLM-Evaluation-Frameworks, Prompt-Optimierung und systematischen Quality-Benchmarks - Anwendung von Code Harnesses (insbesondere Claude Code und Codex) im täglichen Entwicklungsprozess – von Planung über Implementation bis Code Review - Enge Zusammenarbeit mit dem Founding-Team an der Produktarchitektur agentischer Systeme Qualifications - Mehrjährige Berufserfahrung in der Full-Stack-Entwicklung - Fundierte Kenntnisse in TypeScript und JavaScript - Sicherer Umgang mit React.js, Next.js, Node.js und Nest.js - Erfahrung mit relationalen Datenbanken (PostgreSQL, MySQL, MS SQL) - Praxis in Container-Technologien (Docker, Kubernetes) - Vertraut mit REST-API-Design und Git-Workflows - Solide Python-Kenntnisse inklusive der gängigen Data-/ML-Stacks (pandas, NumPy, scikit-learn, PyTorch oder TensorFlow) - Erfahrung im End-to-End-Lebenszyklus von ML-Modellen: Datenaufbereitung, Feature Engineering, Training, Validation, Deployment, Monitoring - Verständnis statistischer Grundlagen (Hypothesentests, Regression, Klassifikation, Zeitreihen) - Erfahrung mit modernen LLM-Workflows: Prompt Engineering, RAG, Embeddings, Vector Databases (z.B. Pinecone, Weaviate, pgvector) - Praxis in der Modell-Evaluation: Metriken, Benchmarks, A/B-Testing, systematische Eval-Frameworks - Erfahrung mit Notebook-basierten Explorationen (Jupyter, Colab) sowie der Überführung in produktionsreife Pipelines - Kenntnisse in MLOps-Tools (z.B. MLflow, Weights & Biases, DVC) von Vorteil - Erfahrung mit Claude Code und/oder Codex ist sehr willkommen – ansonsten der klare Wille, sich aktiv darin einzuarbeiten Requirements - Sehr gute Deutsch- (C2) und Englischkenntnisse (mind. C1) - Echtes Interesse an generativer KI und agentischen Systemen - Builder-Mentalität: Du lieferst Production-Software, nicht nur Prototypen - Analytisches Mindset: Du triffst Entscheidungen datengetrieben und kannst Modellverhalten kritisch hinterfragen Benefits - Eine prägende Rolle in einem AI-Native-Startup mit klarem Enterprise-Fokus - Wettbewerbsfähiges Gehalt sowie Beteiligungsprogramm (ESOP) - Vollständig finanzierter Zugang zu allen relevanten Code Harnesses, LLM-APIs und Developer-Tools (Claude Max, Codex, GitHub Copilot etc.) - Compute-Budget für Experimente, Modell-Training und ML-Workloads - Modernes Hardware-Setup (MacBook Pro nach Wahl) - Flexible Arbeitszeiten und Remote-Optionen - Office in Berlin sowie Standort Dubai (DIFC AI Campus) - Steile Lernkurve im Bereich Agentic AI, LLM-Orchestrierung und AI-native Engineering

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