Senior Fullstack Engineer – AI Platform

🕒 August 6

🌐 United Kingdom, Portugal, +1 more countries – Remote

🇬🇧 United Kingdom – Remote 🇵🇹 Portugal – Remote 🇮🇪 Ireland – Remote

⏰ Full Time

🟠 Senior

🤖 AI Engineer

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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SoSafe

WebsiteLinkedInAll Job Openings

201 - 500 employees

💼 Consulting

🔒 Cybersecurity

📚 Education

💰 $73M Series B on 2022-01

Consulting • Cybersecurity • Education

SoSafe is a leading human risk management platform that specializes in strengthening security culture and behavior within organizations. The company offers a variety of products and solutions including personalized micro-learning, smart phishing simulations, and an AI-powered conversational chatbot named Sofie. SoSafe's platform leverages behavioral science to enhance security instincts among employees, making secure behavior second nature. They provide a comprehensive human risk dashboard and continuously monitor and mitigate human risk in real time with their Human Risk OS platform. SoSafe aims to empower organizations to become more proactive in their defense against cyberthreats and to integrate secure behavior into their organizational DNA. They emphasize the importance of a security culture in the compliance process and offer various resources and events to support security leaders. SoSafe is recognized for its innovative and privacy-focused solutions that keep organizations ahead of cyberthreats, enabling them to achieve compliance and a robust security posture.

📋 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 • Develop reusable AI infrastructure enabling engineering teams to build, deploy and operate AI agents securely and at scale • Work hands-on with LLMs, LangChain/LangGraph and agent orchestration, addressing governance, observability and scalability • Own features end-to-end, from architecture and implementation through deployment and continuous improvement • Contribute ideas, improve developer experience and influence 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 • Platform mindset and experience building reusable systems, APIs and tooling • Confidence using AI coding tools in daily workflow with sound engineering judgment • Ability to thrive in ambiguity, take ownership and solve complex engineering problems • Experience with developer platforms, distributed systems, infrastructure-as-code, cloud-native architectures or AI governance is a strong advantage

🏖️ Benefits

• Flexible hours • 33 vacation days • Access to Open Up • Corporate discounts • Virtual events • Collaborative team activities • Opportunities for local meet-ups • Tech equipment • Referral bonuses • Dog-friendly HQ