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Senior Software Engineer (Backend) - Behavioral Security Products

4 months ago
United Kingdom
Senior
Backend Engineer
Software Development
AWS Docker gRPC Helm Kafka Kubernetes Machine Learning Microservices Python Redis System Design
Apply Now
Abnormal AI

Abnormal AI

Abnormal AI provides advanced email security solutions designed to block malicious email attacks, including credential phishing, business email compromise, and account takeover.

Internet Software & Services
Founded 2018
View All Jobs 35

Description

  • Design, build, and iterate on scalable backend and ML systems, APIs, frameworks, and internal tools.
  • Own end-to-end delivery of complex features that affect the customer experience.
  • Ensure stability, reliability, and operational excellence of critical production systems.
  • Write clean, testable, resilient code with strong attention to edge cases and performance.
  • Write and review technical design documents and help drive adoption across the team.
  • Participate in code reviews, design reviews, and on-call rotations.
  • Collaborate with product managers, designers, and engineers on specifications and priorities.
  • Break down complex projects into executable steps and drive them to completion.
  • Contribute to roadmap discussions and propose long-term technical plans.
  • Mentor peers and influence engineering practices across the team.

Requirements

  • 7+ years of industry experience, with proven expertise as a Senior Software Engineer.
  • Strong backend proficiency in Python and experience designing and scaling production systems.
  • Experience with large-scale system design and building resilient, scalable, fault-tolerant applications.
  • Strong knowledge of relational databases and modern data storage technologies.
  • Familiarity with service-to-service communication tools such as gRPC and Kafka, and caching with Redis.
  • Experience with AWS cloud services such as S3 and RDS, along with deployment practices.
  • Familiarity with containerization and orchestration tools including Docker, Kubernetes, and Helm.
  • Strong understanding of service health, monitoring, and incident response practices.
  • Experience writing technical design documents and influencing adoption across teams.
  • Comfort working in an async-first, distributed environment and collaborating cross-functionally.
  • Proactive use of modern developer productivity tools, including GenAI assistants, is preferred.

Interested in this position?

Apply directly on the company website

Apply Now

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