Senior Fullstack Engineer- AI Platform

SoSafe GmbH

Job Overview

Location

United Kingdom Remote

Job Type

Full-time

Full Job Description

📋 Description

• Build the core capabilities behind SoSafe's Agentic AI Platform, including agent runtimes, model routing, tool registries and shared platform services.
• Design and build production-grade platform services and developer tooling using Node.js, TypeScript, NestJS and React.
• Develop reusable AI infrastructure that enables engineering teams to build, deploy and operate AI agents securely and at scale.
• Work hands-on with LLMs, LangChain/LangGraph and agent orchestration, solving platform challenges around governance, observability and scalability.
• Own features end-to-end—from architecture and implementation through deployment and continuous improvement.
• Shape the future of AI engineering at SoSafe by contributing ideas, improving developer experience and influencing platform architecture.

🎯 Requirements

• Strong experience building modern full-stack applications with Node.js, TypeScript and React.
• Hands-on experience building AI-powered applications or platforms using LLMs, AI agents, LangChain, LangGraph, MCP or similar technologies.
• A platform mindset—you enjoy building reusable systems, APIs and tooling that help other engineers move faster.

🏖️ Benefits

• Work/Life balance: Flexible hours, 33 vacation days
• Wellbeing and financial support: Access to Open Up, corporate discounts
• Connection & community: Virtual events, collaborative team activities, and opportunities for local meet-ups
• Tech equipment, referral bonuses, dog-friendly HQ

Skills & Technologies

JavaScript

TypeScript

React

Node.js

Full Stack

Senior

Remote

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SoSafe GmbH

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About SoSafe GmbH

SoSafe GmbH is a German cybersecurity company founded in 2018 that provides a SaaS platform focused on human-centric security awareness training and phishing simulations. Headquartered in Cologne with offices across Europe, it delivers multilingual e-learning content, behavior analytics, and incident response tools to help organizations reduce human error-related breaches and meet compliance mandates.

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