Senior Fullstack Engineer- AI Platform

SoSafe
United Kingdom, Portugal, Ireland
Workplace: RemoteFull timeFunction: Software EngineeringSkills: ["Ownership","Engineering judgment","Problem-solving","Collaboration","Comfort with ambiguity"]

Build SoSafe’s Agentic AI Platform core capabilities, including agent runtimes, model routing, tool registries, and shared platform services. Design and ship production-grade platform and developer tooling with Node.js, TypeScript, NestJS, and React, enabling engineering teams to build, deploy, and operate AI agents securely and at scale. Work directly with LLMs and LangChain/LangGraph for governance, observability, and scalability—owning features end-to-end.

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FursaFursa
SoSafe
SoSafe
5 days ago

Senior Fullstack Engineer- AI Platform

✓ Verified Job

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Source: Company careers pageValidated by: Fursa AI
Last checked: 5 hours agoStatus: Live

Job Summary

Build SoSafe’s Agentic AI Platform core capabilities, including agent runtimes, model routing, tool registries, and shared platform services. Design and ship production-grade platform and developer tooling with Node.js, TypeScript, NestJS, and React, enabling engineering teams to build, deploy, and operate AI agents securely and at scale. Work directly with LLMs and LangChain/LangGraph for governance, observability, and scalability—owning features end-to-end.
Location: United Kingdom, Portugal, Ireland
Workplace: Remote
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Build core capabilities behind the 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 enabling teams to build, deploy, and operate AI agents securely and at scale.
  • •Work hands-on with LLMs, LangChain/LangGraph, and agent orchestration to address governance, observability, and scalability.
  • •Own features end-to-end, from architecture and implementation through deployment and continuous improvement.

Pay and Benefits

Perks:Paid LeaveFlexible HoursAnnual BonusTech Equipment

Key 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 and AI agents, including LangChain/LangGraph (or similar).
  • •A platform mindset with experience building reusable systems, APIs, and developer tooling.
  • •Ability to use AI coding tools in daily workflows while applying strong engineering judgment on architecture and code quality.
  • •Ability to thrive in ambiguity, take ownership, and solve complex engineering problems in a fast-moving environment.
Experience:CybersecurityData protectionAI agentsLLMsDeveloper platforms
Skills:OwnershipEngineering judgmentProblem-solvingCollaborationComfort with ambiguity
Tech Stack:Node.jsTypeScriptNestJSReactLLMsLangChainLangGraphMCPAPIsInfrastructure-as-codeCloud-nativeDistributed systems

Company Brief

SoSafe
SoSafe provides security awareness training and simulated phishing solutions to help organizations reduce human risk. Their platform offers interactive lessons, campaigns, and analytics to improve employee security behavior and measure organizational resilience.
Industry: Cybersecurity
Company Size: Medium (51 to 250 employees)
Growth: Scaleup
Funding: Series B
Headquarters: Cologne, Germany
Founded: 2018
WebsiteLinkedIn