Senior Software Engineer - Behavioral Security Products

Senior Software Engineer - Behavioral Security Products

Full-Time 60000 - 80000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Design and develop scalable backend systems for cutting-edge cybersecurity products.
  • Company: Join a top-rated cybersecurity startup with a $5.1 billion valuation.
  • Benefits: Competitive salary, remote work options, and opportunities for professional growth.
  • Other info: Collaborative team environment with mentorship opportunities and career advancement.
  • Why this job: Make a real impact in protecting customers from evolving cyber threats.
  • Qualifications: 7+ years of experience in software engineering with strong Python skills.

The predicted salary is between 60000 - 80000 £ per year.

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, 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.

Senior Software Engineer - Behavioral Security Products employer: Abnormal

At Abnormal AI, we pride ourselves on fostering a dynamic and innovative work environment that empowers our employees to take ownership of their projects and drive meaningful change in the cybersecurity landscape. With a strong focus on professional growth, we offer ample opportunities for mentorship and collaboration, ensuring that our team members are equipped with the skills and knowledge to excel in their roles. Located in a vibrant tech hub, our culture promotes creativity and inclusivity, making Abnormal AI an exceptional place for passionate individuals looking to make a significant impact in the field of security.

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Contact Details:

Abnormal Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Software Engineer - Behavioral Security Products

Get Involved in the Cybersecurity Community

Diving into the cybersecurity community is key for landing that full-time gig. Join forums like Reddit's r/cybersecurity or attend local meetups to connect with industry veterans and other job seekers. Networking is everything in this field—don’t just be a passive lurker!

Show Off Your Skills with Capture the Flag Competitions

Participate in Capture the Flag (CTF) competitions; these are not just a fun way to boost your skills but also a chance to showcase your talent to potential employers. Many companies, including Abnormal, love seeing candidates who actively engage in these challenges.

Tailor Your Online Presence

Make sure your LinkedIn and any professional profiles reflect your cybersecurity expertise. Share your projects, whether they’re personal or from a previous role, to catch the eye of hiring managers. This is how they’ll find your passion and commitment to the field!

Apply Directly Through Abnormal

Don’t forget to head straight to our website and check out any openings for cybersecurity roles at Abnormal. Applying directly can sometimes give you an edge, especially if you can mention that you've been following our work or engaging in the community.

We think you need these skills to ace Senior Software Engineer - Behavioral Security Products

Backend Development
Python
Large Scale System Design
Resilient Architecture
Fault-Tolerant Applications
Relational Databases
gRPC

Some tips for your application 🫡

Show off your technical skills:In cybersecurity, it's crucial to highlight your technical prowess. Make sure your CV showcases specific skills like network security, penetration testing, or threat analysis. If you have relevant certifications (like CEH or CISSP), pop those on the front page to grab attention!

Tailor your portfolio for the role:Even for a full-time role, a portfolio can set you apart. If you've worked on any cybersecurity projects—be it CTF challenges, security assessments, or research papers—include these in your application. This demonstrates not just your skills, but also your hands-on experience!

Use real-world examples:When writing your cover letter, don’t just stick to your qualifications. Share real-world examples of how you’ve tackled security issues or vulnerabilities. This gives the hiring team at Abnormal insight into your practical problem-solving abilities and makes your application memorable.

Demonstrate your passion for cybersecurity:Cybersecurity is an ever-evolving field, so show us that you’re always learning! Mention any recent courses, webinars, or industry events you’ve attended. This not only exhibits your enthusiasm but also signals to Abnormal that you’re committed to staying ahead in the game.

How to prepare for a job interview at Abnormal

Sharpen Your Technical Skills

For a role in cybersecurity, it’s essential to be up-to-date with the latest tools and techniques. Brush up on your knowledge of firewalls, intrusion detection systems, and vulnerability assessment tools. Be ready to discuss specific scenarios where you’ve applied these skills, as hands-on experience can really set us apart in interviews.

Prepare for Scenario-Based Questions

Expect the interviewers at Abnormal to throw in some hypothetical situations to see how you’d handle them. Think about common security breaches or incidents and be prepared to explain how you would respond. This not only shows your problem-solving skills but also your understanding of real-world cybersecurity challenges.

Highlight Your Certifications

Certifications like CompTIA Security+, CISSP, or CEH can give you a significant edge in a full-time role in cybersecurity. Make sure to mention these during your interview and be prepared to discuss what you learned through those certifications and how they relate to the position at Abnormal.

Show Your Passion for Cybersecurity

Since you’re going for a full-time gig, showing genuine enthusiasm for the field can make all the difference. Share any personal projects, blogs, or communities you’re part of that relate to cybersecurity. This not only showcases your passion but also your commitment to staying engaged in this ever-evolving field.