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
The team is responsible for the ownership, development, and operation of the infrastructure and ML models, customer facing APIs and internal tools that drive Abnormal's Account Takeover (ATO) protection product. This product is crucial for detecting malicious activity and safeguarding customers from account theft.
About The Role
We are looking for a Senior Software Engineer to take ownership of complex feature delivery and technical design for our ATO platform. This pivotal role involves evolving the platform to scale with expanding product requirements. The position requires a blend of hands-on backend systems development, production ownership, stakeholder management, and team mentorship. The core goal is to enhance system reliability, reduce latency, and significantly 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
- Own end-to-end delivery of complex features that directly impact customer experience.
- Ensure stability, reliability, and operational excellence of critical systems.
- Write clean, testable, and resilient code with attention to edge cases and performance.
- Write and review technical design documents and influence adoption across the team.
- Participate in code and design reviews, and contribute to on-call rotations.
Leadership & Collaboration
- Collaborate with product managers, designers, and engineers to align on specifications and priorities.
- Break down complex projects into clear executable steps and drive them to completion.
- Actively contribute to roadmap discussions and propose long-term technical plans.
- Communicate effectively in an async-first environment, providing clarity on updates, challenges, and solutions.
- Mentor peers, share knowledge, and influence engineering practices across the team.
What We’re Looking For
- Ownership & Growth: A senior engineer mindset—able to independently lead complex projects and grow into a technical leader within the team.
- Attention to Detail: Deep focus on code quality, reliability, monitoring, and performance.
- System Thinker: Ability to anticipate long-term scaling needs and design resilient architectures.
- Strong Collaborator: Comfortable influencing cross-team goals, mentoring peers, and working in a distributed environment.
- GenAI Affinity: Proactive in leveraging modern developer productivity tools, including GenAI assistants, to accelerate delivery.
Must-Have Skills
- 7+ years of industry experience, with proven expertise as a Senior Software Engineer.
- Strong backend proficiency in Python, with experience designing and scaling production systems.
- Proven experience with large scale system design, building resilient, scalable, and fault-tolerant applications.
- Strong knowledge of relational databases and modern data storage technologies .
- Familiarity with service-to-service communication (gRPC, Kafka) and caching (Redis).
- Experience with AWS cloud services (S3, RDS) and deployment practices.
Familiarity with containerization and orchestration (Docker, Kubernetes, Helm). - Strong understanding of service health, monitoring, and incident response practices.
- Experience writing technical design documents and influencing adoption across teams.
#LI-RT1
Abnormal AI is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status or other characteristics protected by law. For our EEO policy statement please click here. If you would like more information on your EEO rights under the law, please click here.
Aplyr's read
Abnormal Security is at the forefront of cybersecurity, attracting talent passionate about AI-driven email security solutions to combat sophisticated threats.
What's promising
- •Abnormal Security leverages advanced AI to tackle complex email threats, offering cutting-edge solutions.
- •The company has a strong focus on innovation, constantly updating its technology to stay ahead of cyber threats.
- •Abnormal Security is expanding rapidly, offering numerous opportunities for career advancement and growth.
What to watch
- •The cybersecurity industry is highly competitive, posing challenges for Abnormal Security to differentiate itself.
- •Rapid growth may strain resources and impact work-life balance for employees.
- •Limited public information about company culture and employee satisfaction may concern potential applicants.
Why Abnormal Security
- •Abnormal Security specializes in AI-driven email security, setting it apart from traditional cybersecurity firms.
- •The company focuses specifically on advanced email threats, a niche but critical area in cybersecurity.
- •Abnormal Security's technology adapts to evolving threats, providing dynamic protection for clients.
Aplyr’s read is generated by AI from public sources. Was it useful?
About Abnormal Security
Abnormal Security is a cybersecurity company that specializes in email security solutions, leveraging artificial intelligence to protect organizations from advanced email threats.
