At a Glance
- Tasks: Design and build core services and APIs for our cutting-edge security platform.
- Company: Join SecurityHQ, a global leader in cybersecurity innovation.
- Benefits: Enjoy a hybrid work model, competitive salary, and professional growth opportunities.
- Other info: Collaborative team environment with excellent career advancement potential.
- Why this job: Make a real impact in cybersecurity while working with modern AI tools.
- Qualifications: 5+ years of backend engineering experience with Python and strong API design skills.
The predicted salary is between 70000 - 90000 £ per year.
We are looking for a Senior Backend Engineer to join our London-based engineering team. This is a hands-on, high-impact role where you will help design and build the core services, APIs, and integrations that power our security platform, working closely with a globally distributed team. You will work closely with product managers, security analysts and fellow engineers to deliver reliable, scalable and observable systems. Alongside building high-quality software, you will also play a key role in shaping how the team uses modern AI coding tools to improve speed and productivity without compromising on quality, security or maintainability. This role is ideal for someone who enjoys working on distributed systems, takes pride in clean and well-tested code, and wants to contribute to a technically strong and collaborative engineering environment. This role is hybrid in our office in Blackfriars London.
About SecurityHQ
SecurityHQ is a global cybersecurity company. Our specialist teams design, engineer and manage solutions that do three things: Promote clarity and trust in a complex world. Build momentum around improving security posture. And increase the value of cybersecurity investment within organizations. Free from limitations, and inclusive of all requirements, we focus on defending today, while mitigating the risks of tomorrow. And into the future. Our solutions are tailored to our customers and their unique context. Around the clock, 365 days per year, our customers are never alone. SecurityHQ – We’re focused on engineering cybersecurity, by design.
What You’ll Be Responsible For
- Design, build and operate production-grade Python microservices using FastAPI and Django where appropriate, applying clean architecture and modern design principles.
- Develop resilient APIs and distributed systems using async patterns and domain-driven design approaches.
- Own services end-to-end, from design through to deployment and production support.
- Build and maintain event-driven workflows, designing for idempotency, retries, error handling and system resilience.
- Develop integrations and messaging patterns that ensure scalable and reliable communication across services.
- Deploy and operate services on AWS using technologies such as EKS, PostgreSQL, messaging systems and object storage.
- Manage infrastructure through Terraform and contribute to a GitOps-based deployment model using GitHub Actions and FluxCD.
- Work closely with frontend engineers in an Angular microfrontend environment to design clean, well-versioned and user-friendly API contracts.
- Participate in architecture design, code reviews and technical discussions, contributing to overall engineering quality and standards.
Quality, Testing & Observability
- Build and maintain comprehensive test suites including unit, integration, contract and end-to-end testing.
- Ensure services are fully instrumented with logging, metrics and tracing to support observability in production.
- Treat testing, monitoring and CI signals as essential components of delivery.
Agile Delivery & Continuous Improvement
- Contribute to agile ceremonies including refinement, estimation and retrospectives.
- Support continuous improvement across engineering practices, ways of working and use of AI-assisted development tools.
Technical Experience & Skills
- 5 or more years of backend engineering experience with Python as a primary language, delivering and operating services in production environments.
- Strong experience with FastAPI or Django, including API design, async patterns, dependency management and authentication and authorisation.
- Solid understanding of microservices and distributed systems, including service boundaries, resilience patterns and event-driven design.
- Strong PostgreSQL experience, including schema design, indexing and performance optimisation.
- Hands-on experience with AWS and containerised workloads, ideally using Kubernetes or EKS.
- Experience with CI and CD pipelines, particularly GitHub Actions and GitOps approaches.
- Strong foundations in testing, observability, security and technical documentation.
- Excellent written communication skills across design documentation, PRs and incident reporting.
Senior Backend Engineer employer: SecurityHQ
At SecurityHQ, we pride ourselves on fostering a dynamic and inclusive work culture that empowers our employees to thrive. As a Senior Backend Engineer in our London office, you will not only contribute to cutting-edge cybersecurity solutions but also benefit from a collaborative environment that encourages continuous learning and growth. With access to modern AI tools and a commitment to quality, you'll find ample opportunities to enhance your skills while making a meaningful impact in the world of cybersecurity.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Backend Engineer
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with online communities. 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 showcasing your projects, especially those involving Python, FastAPI, or Django. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and system design knowledge. Practice common backend engineering problems and be ready to discuss your past experiences with distributed systems and microservices.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team at SecurityHQ.
We think you need these skills to ace Senior Backend Engineer
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Senior Backend Engineer role. Highlight your experience with Python, FastAPI, and Django, and don’t forget to mention any work you've done with distributed systems and microservices.
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 skills align with our mission at SecurityHQ. Keep it concise but impactful!
Showcase Your Projects:If you’ve worked on relevant projects, make sure to include them in your application. Whether it's a personal project or something from your previous job, we want to see how you’ve applied your skills in real-world scenarios.
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’re considered for the role. Plus, it’s super easy!
How to prepare for a job interview at SecurityHQ
✨Know Your Tech Stack
Make sure you’re well-versed in Python, FastAPI, and Django. Brush up on your knowledge of microservices and distributed systems, as these are crucial for the role. Be ready to discuss your past experiences with these technologies and how you've applied them in real-world scenarios.
✨Showcase Your Problem-Solving Skills
Prepare to tackle some technical challenges during the interview. Think about how you would design resilient APIs or handle error management in distributed systems. Practising coding problems related to async patterns and event-driven design can really help you shine.
✨Communicate Clearly
Since you'll be working closely with product managers and security analysts, clear communication is key. Practice explaining complex technical concepts in simple terms. This will demonstrate your ability to collaborate effectively within a diverse team.
✨Emphasise Continuous Improvement
Be ready to discuss how you’ve contributed to agile practices and continuous improvement in your previous roles. Share examples of how you’ve used AI-assisted development tools or improved engineering processes, as this aligns perfectly with what they’re looking for.
