Jobs at Refractal

Lead offensive security research against AI agents and their infrastructure. Red-team browser, code, enterprise, and multi-agent systems; investigate prompt injection, tool abuse, memory poisoning, identity attacks, and data exfiltration. Build automated attack tooling and evaluation suites, convert findings into detections and controls, and lead customer security assessments. The role requires original security research, hands-on LLM application testing, strong Python and systems programming, and clear communication.

Conduct authorized red-team assessments of AI applications and agents, testing threats such as prompt injection, tool misuse, data exposure, and permission-boundary violations. Build reproducible testing tools and regression suites, analyze interactions among models, applications, identities, and permissions, document practical security findings, recommend mitigations, and retest fixes with engineering teams.

Own production machine-learning models that detect prompt injection, data exfiltration, policy violations, and other AI threats. Train and deploy low-latency classifiers, analyze telemetry for drift and false positives, build evaluations and benchmarks, and convert new attacks into training data. The role also translates policies and regulations into measurable controls while improving model quality and latency. Candidates need substantial applied ML or data science experience, strong Python and PyTorch skills, NLP and LLM expertise, evaluation statistics, and clear communication.

Own production machine-learning detection models for AI security threats. Train and deploy classifiers for prompt injection, data exfiltration, and policy violations; design low-latency model ensembles; analyze telemetry, drift, false positives, and attack patterns; build evaluations and benchmarks; and convert policies into measurable controls. The role requires strong Python, PyTorch or similar, statistics, NLP and LLM experience, production model deployment, and clear communication of trade-offs.

Build and own Refractal’s data foundation, including a cryptographically signed evidence store, streaming and batch pipelines, compliance reporting datasets, and training and evaluation data. Ensure data quality, provenance, retention, residency, deletion, auditability, and multi-tenant isolation for regulated customers. Partner with data scientists and security researchers to support AI security detection and compliance requirements.

Own Refractal’s infrastructure, release processes, cloud deployments, and customer-hosted packaging. Responsibilities include hardening Google Cloud, building secure CI/CD pipelines with signed artifacts and supply-chain verification, managing secrets and environment isolation, automating compliance controls, and improving observability. The role requires production infrastructure ownership, Terraform, Kubernetes, cloud networking and IAM, software supply-chain security, and Python or Go automation.

Build and own Refractal’s customer-facing operator console using React and TypeScript, translating designs into accessible, data-heavy interfaces. Develop integrations with AI platforms, SIEMs, identity providers, and observability tools, including APIs and SDKs. Improve integration reliability through testing, monitoring, authentication, error handling, and documentation. Collaborate with designers, engineers, and customers while establishing front-end and integration standards for the Podgorica team.

Manage UK and European enterprise customers after signing by leading technical onboarding, troubleshooting integrations, coordinating engineering escalations, driving adoption, conducting business reviews, owning renewals, and identifying expansion opportunities. The role also translates customer feedback into product requirements and creates scalable technical account management playbooks. Success requires strong retention and expansion performance, technical knowledge of cloud, APIs, identity, SaaS integrations, and AI agents, plus confidence with senior stakeholders.

Own the full sales cycle for Refractal’s technically complex AI security product in the US. Responsibilities include account strategy, outbound prospecting, discovery with security and technical stakeholders, coordinating demonstrations and evaluations, building champions and business cases, managing procurement and negotiations, closing new business, forecasting, and providing customer feedback. The role requires consultative B2B software sales experience, cybersecurity or AI familiarity is preferred, and visa and relocation support are available.

Build and own Refractal’s data foundation, including a cryptographically signed evidence store, streaming and batch pipelines, data quality and retention controls, compliance reporting datasets, and training and evaluation data. Partner with integrations, data science, and security teams to support regulated customers, ensuring strong provenance, auditability, multi-tenant isolation, data residency, and deletion controls.

Build and maintain integrations with security and observability platforms, including Splunk. Develop reliable pipelines for ingesting, validating, and transforming security data. Design integration interfaces, implement testing and monitoring, securely handle credentials, investigate customer issues, and improve reusable integration patterns and documentation. Work closely with security and platform engineers and customers to deliver reliable production software.

Own day-to-day business operations across finance, people operations, legal and compliance administration, internal systems, offices, travel, and events. Coordinate accountants, advisers, suppliers, payroll, onboarding, contracts, filings, insurance, security certification evidence, and international requirements across the UK, Montenegro, and United States. Build scalable processes, maintain tools and policies, and reduce routine administrative work for the founders while ensuring predictable finance, payroll, onboarding, and compliance operations.

Build internal tools, backend services, APIs, deployment and support tooling, data utilities, and workflow automation. Improve engineering reliability through testing, code review, monitoring, documentation, and production issue investigation. The role also involves using AI coding tools responsibly, validating generated code, and owning engineering quality across ambiguous problems.

Own Refractal’s core platform across APIs, SDKs, services, data layers, identity controls, event streams, audit systems, and operator workflows. Build FastAPI services, authentication and multi-tenant access controls, integrations, dashboards, and deployment infrastructure. The role requires strong backend and API design skills, database and observability experience, frontend capability with JavaScript and React, and independent ownership of complex customer problems.

Lead content and marketing across Europe for an AI security company. Write technical content, research reports, guides, white papers, case studies, and sales enablement materials. Manage campaigns, webinars, events, website, LinkedIn, and newsletters while measuring marketing-sourced pipeline. Collaborate with engineers, researchers, sales, and partners to communicate AI security topics accurately and generate demand.

Leads Refractal’s content and marketing function by producing technical AI security content, developing sales enablement materials, running campaigns, webinars, and events, and managing digital channels. The role collaborates with sales, partners, engineers, and researchers to generate measurable marketing-sourced pipeline and communicate complex security topics clearly to B2B technology audiences.

Own the full US enterprise sales cycle, including pipeline generation, executive selling, evaluations, negotiations, and closing six-figure security contracts. Sell to CISOs and security leaders, develop MSSP partnerships, lead outbound efforts, and collaborate with founders and technical teams to refine the ideal customer profile, pricing, proposals, and sales process. Success requires building qualified pipeline, winning net-new business, documenting sales practices, and traveling to customers.

Lead product design for an AI security platform, including operator console workflows, policy authoring, investigations, audit reporting, and a product design system. Translate complex technical data into clear interfaces, conduct customer research, collaborate with engineers to ship designs in React, and contribute to brand and website visuals. The role requires strong interaction and visual design, expert Figma skills, experience with data-heavy B2B or technical products, and comfort using AI tools.

Lead technical discovery, demonstrations, evaluations, deployments, and integrations for Refractal’s AI security platform. Work with customer security, risk, and AI teams to deploy the product into production, translate policies into enforceable controls, support managed security providers, build connectors and reference implementations, and feed customer insights into the product roadmap.

Works directly with company founders to scope and deliver priority projects across commercial execution, recruiting, market and competitor research, and operational process improvement. The role requires framing ambiguous problems, producing concise recommendations, coordinating owners and milestones, improving workflows, and creating durable documentation. Success depends on sound judgment, strong organization, clear communication, discretion, adaptability, and reliable follow-through in an early-stage cybersecurity and AI company.