Software Engineer - Backend - Behavioral Security Products

Abnormal AI
United Kingdom
Workplace: RemoteFull timeFunction: Software EngineeringExperience: 3-5 yearsSkills: ["Ownership","Attention to detail","Reliability focus","Cross-functional collaboration","AI curiosity"]

Build and evolve backend and ML-powered systems for identity threat protection, partnering with senior engineers to improve reliability, reduce latency, and accelerate feature releases. Own well-scoped components spanning scalable APIs, internal tools, and production systems, while supporting on-call rotations and design reviews. Contribute to LLM-powered and agentic workflows (e.g., automated investigation/triage/remediation) by integrating model APIs and agent frameworks with strong attention to cost, latency, and evaluation.

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FursaFursa
Abnormal AI
Abnormal AI
1 day ago

Software Engineer - Backend - Behavioral Security Products

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 9 hours agoStatus: Live

Job Summary

Build and evolve backend and ML-powered systems for identity threat protection, partnering with senior engineers to improve reliability, reduce latency, and accelerate feature releases. Own well-scoped components spanning scalable APIs, internal tools, and production systems, while supporting on-call rotations and design reviews. Contribute to LLM-powered and agentic workflows (e.g., automated investigation/triage/remediation) by integrating model APIs and agent frameworks with strong attention to cost, latency, and evaluation.
Location: United Kingdom
Workplace: Remote
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design, build, and iterate on scalable backend and ML systems, APIs, frameworks, and internal tools.
  • •Take ownership of well-scoped features and components, improving stability, reliability, and operational excellence.
  • •Write clean, testable, and resilient code with attention to edge cases, performance, and reliability.
  • •Contribute to AI engineering by integrating LLM APIs and agentic workflows into backend services.
  • •Participate in code/design reviews and on-call rotations, documenting designs and communicating updates in an async environment.

Key Requirements

  • •3-5 years of experience shipping production backend systems as a Software Engineer.
  • •Strong backend proficiency in Python, building and maintaining production systems.
  • •Experience with system design fundamentals for scalable, reliable applications.
  • •Working knowledge of relational databases and modern data storage technologies.
  • •Familiarity with service health, monitoring, and incident response practices.
Experience:3-5 years
Skills:OwnershipAttention to detailReliability focusCross-functional collaborationAI curiosity
Languages:English
Tech Stack:PythonGRPCKafkaRedisAWSS3RDSDockerKubernetesHelmLLM APIsOpenAIAnthropicLangChainLangGraph

Company Brief

Abnormal AI
Provides AI-powered email security and human behavior analysis to detect phishing, business email compromise, and account takeover attacks. The platform helps organizations protect employees and communications across cloud email and collaboration tools.
Industry: Cybersecurity
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Headquarters: San Francisco, United States
Founded: 2018
WebsiteLinkedIn