SoSafe Logo

SoSafe

Senior Fullstack Engineer- AI Platform

Posted One Month Ago
Remote
Hiring Remotely in United Kingdom
Senior level
Remote
Hiring Remotely in United Kingdom
Senior level
Build core AI platform capabilities (agent runtimes, model routing, tool registries) and production-grade services and tooling using Node.js, TypeScript, NestJS and React. Develop reusable AI infrastructure, work with LLMs and LangChain/LangGraph, and own features end-to-end to enable secure, scalable AI across the company.
The summary above was generated by AI

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. Cybercrime is costing the world >$10 trillion annually and growing by 15% p.a. - we invite you to be part of the solution!


Location Requirement:
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.

Why Us?

AI is transforming how software is built. At SoSafe, you'll join the team building the AI platform that powers the next generation of AI capabilities across our products.

Rather than building individual AI features, you'll create the shared infrastructure, tooling and services that enable every engineering team to build, deploy and operate AI safely and at scale. Working in a small, highly autonomous team, you'll have real ownership, shape technical direction, and build systems that engineers across SoSafe rely on every day.

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.

What you'll bring
  • 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.

What we offer*

  • 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

*Perks and benefits listed above are for full-time employees and may vary slightly by office location. These are just a sample — you'll learn more during the interview process.

About Us

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.

Backed by leading VCs like Highland Europe and Global Founders Capital, we’re rapidly expanding across the globe. We’re looking for team players who want to drive meaningful change in cybersecurity, take ownership of their work, and grow with us.

If you thrive in a vibrant, purpose-driven environment that values innovation, diversity, and collaboration, then this is the place for you!

SoSafe London, England Office

33 Queen St, London, United Kingdom, EC4R 1AP

Similar Jobs

3 Hours Ago
Remote or Hybrid
Senior level
Senior level
Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Biotech • Pharmaceutical
Leads incentive compensation strategy, quota-setting, recognition programs, analytics, governance, implementation, and continuous improvement across Pfizer’s international markets. Partners with business leaders and cross-functional teams to design compliant, motivating, and financially responsible programs, deliver data-driven recommendations, oversee payouts and operational timelines, and maintain audit readiness. The role requires strong quantitative analysis, commercial operations expertise, project management, stakeholder influence, and experience supporting pharmaceutical or healthcare organizations.
9 Hours Ago
Remote or Hybrid
Senior level
Senior level
Artificial Intelligence • Cloud • Information Technology • Security • Software • Cybersecurity • Data Privacy
Own end-to-end product design for a zero-to-one AI security platform. Define agent interaction patterns, human-in-the-loop controls, workflows, and trust experiences across CLI, IDE, pull requests, coding agents, and web. Conduct strategic research, model complex systems, prototype with AI coding tools, ship production code, lead cross-functional workshops, and coach designers on AI-native workflows.
Top Skills: Ai AgentsAPIsClaude CodeCliCursorDesign SystemsIdeMcp Servers
Yesterday
In-Office or Remote
Senior level
Senior level
Artificial Intelligence • Consumer Web • Digital Media • Information Technology • Social Impact • Software
Build evaluation infrastructure, observability tools, diagnostic systems, datasets, annotation workflows, and experiments for production AI agents. Lead a hands-on AI Quality engineering team, improve agent reliability, latency, and cost, and partner with AI Core engineering. The role requires managing priorities while contributing directly to Ruby on Rails and Python codebases.
Top Skills: Ai AgentsBraintrustCi/CdLangsmithLlmsPythonRuby On Rails

What you need to know about the London Tech Scene

London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account