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For Companies At a Glance
- Tasks: Design and build 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 a focus on modern tech.
- Why this job: Make a real impact in protecting customers from account theft with innovative technology.
- Qualifications: 7+ years of experience in backend development, especially with Python and large-scale systems.
The predicted salary is between 80000 - 100000 £ 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
- 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
- A senior engineer mindset—able to independently lead complex projects and grow into a technical leader within the team.
- Deep focus on code quality, reliability, monitoring, and performance.
- Ability to anticipate long-term scaling needs and design resilient architectures.
- Comfortable influencing cross-team goals, mentoring peers, and working in a distributed environment.
- 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 (Backend) - Behavioral Security Products employer: Abnormal
Contact Detail:
Abnormal Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Software Engineer (Backend) - Behavioral Security Products
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, attend meetups, and connect with people on LinkedIn. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those related to backend systems and ML. This gives potential employers a taste of what you can do beyond just a CV.
✨Tip Number 3
Prepare for technical interviews by practicing coding challenges and system design problems. Use platforms like LeetCode or HackerRank to sharpen your skills and get comfortable with the types of questions you might face.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we love seeing candidates who are proactive about their job search.
We think you need these skills to ace Senior Software Engineer (Backend) - Behavioral Security Products
Some tips for your application 🫡
Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the Senior Software Engineer role. Highlight your backend development expertise, especially in Python, and any experience with scalable systems. We want to see how you can contribute to our ATO platform!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about cybersecurity and how your background makes you a perfect fit for our team. Don’t forget to mention your experience with AWS and large-scale system design – we love that stuff!
Showcase Your Projects: If you've worked on relevant projects, whether personal or professional, make sure to include them. We’re interested in seeing how you’ve tackled complex problems and delivered impactful solutions. This is your opportunity to demonstrate your ownership mindset!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates. Plus, we love seeing candidates who take that extra step!
How to prepare for a job interview at Abnormal
✨Know Your Tech Inside Out
Make sure you brush up on your backend development skills, especially in Python. Be ready to discuss your experience with large-scale system design and how you've tackled challenges in building resilient applications. They’ll want to see that you can not only code but also think critically about system architecture.
✨Showcase Your Problem-Solving Skills
Prepare to share specific examples of how you've approached complex projects. Think about times when you had to break down a project into manageable steps or how you’ve improved system reliability. This is your chance to demonstrate your ownership mindset and ability to lead.
✨Communicate Clearly and Effectively
Since the role involves collaboration with product managers and designers, practice articulating your thoughts clearly. Be ready to explain your technical decisions and how they align with business goals. Remember, effective communication is key in an async-first environment.
✨Emphasise Your Mentorship Experience
They’re looking for someone who can mentor peers and influence engineering practices. Prepare to discuss how you've supported team members in the past, shared knowledge, or contributed to improving team processes. Highlighting this will show you’re not just a great engineer, but also a great team player.