Senior Software Engineer (Backend) (Cybersecurity)

TL;DR

Senior Software Engineer (Backend) (Cybersecurity): Develop and maintain scalable backend and ML systems, APIs, and internal tools for an Account Takeover protection platform with an accent on system reliability, latency reduction, and feature delivery acceleration. Focus on designing resilient architectures, mentoring peers, and collaborating across teams in a distributed environment.

Location: Remote (UK)

Company

hirify.global is a leading cybersecurity startup recognized in the 2025 Gartner Magic Quadrant for Email Security Platforms, with a $5.1 billion valuation and $250 million Series D funding.

What you will do

• Design, build, and iterate on scalable backend and ML systems, APIs, and internal tools.
• Own end-to-end delivery of complex features impacting customer experience.
• Ensure stability, reliability, and operational excellence of critical systems.
• Write clean, testable, and resilient code with attention to performance and edge cases.
• Participate in code and design reviews and contribute to on-call rotations.
• Mentor peers and influence engineering practices across the team.

Requirements

• Location: Must be based in the UK for remote work.
• 7+ years of experience as a Senior Software Engineer with strong backend proficiency in Python.
• Experience designing and scaling large-scale, resilient, and fault-tolerant systems.
• Knowledge of relational databases, service-to-service communication (gRPC, Kafka), caching (Redis), and AWS cloud services.
• Familiarity with containerization and orchestration tools like Docker, Kubernetes, and Helm.
• Strong understanding of system health, monitoring, and incident response practices.

Nice to have

• Experience leveraging GenAI developer productivity tools.

Culture & Benefits

• Equal opportunity employer with a focus on diversity and inclusion.
• Distributed async-first work environment.
• Opportunities for technical leadership and mentorship.

Hiring process

• Video interviews and identity validation as part of secure hiring practices.
• Pre-employment checks required for final offer.
• Compliance with U.S. export control laws for technology access.