Senior Fullstack Engineer- AI Platform

United Kingdom Remote💼 Full-time🗓 2026-08-06 → 2026-09-26

Core

Build the shared infrastructure, tooling, and services enabling engineering teams to build, deploy, and operate AI agents safely and at scale.

Role type

Senior Fullstack Engineer (AI Platform Infrastructure)

Builds

Agent runtimes, model routing, tool registries, and shared platform services for SoSafe's Agentic AI Platform.

Domain

Cybersecurity / AI Infrastructure / Developer Platforms

Deliverable

production ML models | infrastructure

Required skills

Node.js, TypeScript, React, LLMs, LangChain, LangGraph, agent orchestration, distributed systems, cloud-native architectures

Preferred skills

AI governance, infrastructure-as-code, developer platforms

Responsibilities

Build core capabilities for the Agentic AI Platform; Design and build production-grade platform services and developer tooling; Develop reusable AI infrastructure; Work hands-on with LLMs and agent orchestration; Own features end-to-end from architecture to deployment; Shape the future of AI engineering by influencing platform architecture.

Seniority

Senior, hands-on IC

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About SoSafe

At SoSafe, we’re on a mission to make the digital world safer by addressing the human factor in cybersecurity. As one of the fastest-growing security awareness scale-ups worldwide, we leverage behavioural science and data-driven learning to empower people against cyber threats. Our Human Risk Management approach helps organisations turn their employees into their strongest line of defence.