Abnormal
Software Engineer - Backend - Behavioral Security Products
Remote role where the employee must remain based in a particular country.
United Kingdom only
Employer listed it 8 days ago · Added yesterday
First listed 8 days ago and still open.
Salary
Not stated
Location
United Kingdom only
Work style
Async
Contract
Full-time
Experience
Mid
Category
Software
This employer didn't state pay. Jobs like this usually pay around $160k–$250k a year, a typical range taken from 595 mid-level software roles on Nomaders that do state pay. It's a guide, not an offer.
Remote flexibility
Work from home
This is a remote role, but the employee must be based in United Kingdom. It is work from home rather than work from anywhere.
What the employer says
- Source listing states candidate location: "Remote - UK"
What Nomaders makes of it
- Residency required in United Kingdom
- Payroll and tax are likely handled in that country only
The quotes above are the employer's own words; the reading is ours. Always check the original listing and employment terms before working from another country.
About the role
At Abnormal AI, we protect our customers against nefarious adversaries who are constantly evolving their techniques and tactics to outwit and undermine the traditional approaches to Security.
Abnormal is recognized as a top cybersecurity startup (Leader in the 2025 Gartner Magic Quadrant for Email Security Platforms), securing a Series D funding of $250 million at a $5.1 billion valuation in August 2024.
About The Team
This team owns the end-to-end development and operation of the infrastructure, ML models, AI agents, customer-facing APIs, and internal tools that power Abnormal's Identity Threat Protection (ITP) product. Our work is central to detecting malicious behavior and protecting customers from advanced identity-based attacks — including account takeover, identity spoofing, data leakage, and other high-impact threats.
About The Role
We are looking for a Software Engineer to help build and evolve our platform as it scales to meet expanding product requirements. This role blends hands-on backend systems development with growing ownership of features and production systems, including AI-powered and agentic components, working closely with senior engineers to improve system reliability, reduce latency, and accelerate feature release cycles.
What You'll Do
Technical Delivery & Excellence
Design, build, and iterate on scalable backend and ML systems, APIs, frameworks, and internal tools.
Take ownership of well-scoped features and components, with guidance from senior engineers on more complex, cross-system work.
Contribute to the stability, reliability, and operational excellence of critical systems.
Write clean, testable, and resilient code with attention to edge cases and performance.
Contribute to technical design documents and participate in design discussions.
Participate in code and design reviews, and contribute to on-call rotations.
AI Engineering & Agents
Help design and build LLM-powered features and agentic workflows (e.g., automated investigation, triage, or remediation assistants) as part of the ATO platform.
Integrate LLM APIs and agent frameworks into backend services, with attention to reliability, cost, latency, and evaluation.
Contribute to prompt design, tool/function-calling integrations, and guardrails for AI-driven components under senior engineer guidance.
Use GenAI coding assistants and agents as part of your own development workflow to accelerate delivery and testing.
Collaboration & Growth
Collaborate with product managers, designers, and engineers to align on specifications and priorities.
Break down well-defined projects into clear executable steps and drive them to completion.
Contribute to roadmap discussions and share ideas for technical improvements.
Communicate effectively in an async-first environment, providing clarity on updates, challenges, and solutions.
Requirements
- ·3-5 years of industry experience as a Software Engineer, with a track record of shipping production backend systems.
- ·Solid backend proficiency in Python, with experience building and maintaining production systems.
- ·Experience with system design fundamentals and building reliable, scalable applications.
- ·Working knowledge of relational databases and modern data storage technologies.
- ·Exposure to service-to-service communication (gRPC, Kafka) and caching (Redis) is a plus.
Benefits
No benefits package published with this listing. Ask about it at first interview.
How to apply
- 1Check the flexibility label above, work from home, matches where you plan to live and work.
- 2Tailor your CV to the role at Abnormal, mentioning your remote working experience and working hours (Async).
- 3Apply directly on the employer's careers page using the button below. Nomaders never handles your application.
Found 1d ago. Last checked 23 Sept. Always confirm the details on the original posting, salary and location can change after publication.
Listing sourced from Company boards.
Similar roles
Other open software roles with comparable remote rules.
Free to apply, no account needed.
Typically $160k to $250k per year · You'll be taken to the employer's careers page.