[Hiring] Senior Fullstack Engineer- AI Platform @SoSafe

Role Description

SoSafe has the ambition to become the leading human risk management provider in Europe. Our award-winning awareness platform triggers behavioural change by providing effective and engaging training and simulations on cybersecurity and data protection.

Here's how you'll make a difference:

• 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.

Qualifications

• 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.
• Confidence using AI coding tools as part of your daily workflow while applying sound engineering judgment to architecture, code quality and technical decisions.
• The ability to thrive in ambiguity, take ownership and solve complex engineering problems in a fast-moving environment.
• Experience with developer platforms, distributed systems, infrastructure-as-code, cloud-native architectures or AI governance is a strong advantage.

Requirements

• This role is open to candidates currently based in and legally authorized to work in the UK, Portugal, or Ireland.
• We are unable to consider applicants outside these locations.

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.
• And the list goes on: Tech equipment, referral bonuses, dog-friendly HQ.