Senior Engineer

Menlo Security is looking for a Senior Engineer 1 (UK) to join our performance team which ensures our global cloud deployment operates efficiently and at peak performance. The role involves managing cloud hosting costs across AWS and GCP, performing analysis and collaborating with cross‑functional teams to design and implement solutions that directly impact our secure enterprise browser experience and bottom line.

• Analyze the performance of our production systems.
• Participate in all aspects of designing, building, and delivering solutions, learning from senior engineers.
• Design and run load/stress programs, and ensure that we have the right tools for performance testing and analysis, developing custom tools as required.
• Identify and resolve software defects by reviewing logs and metrics.
• Research new technologies to enhance our products.
• Write unit tests and automated tests to ensure code quality.
• Conduct code and design reviews with peers.

• Software developer with experience in one or more programming languages such as Python, Rust, C++, Go, or JavaScript/Node.js.
• Experience with Linux and cloud platforms like AWS and GCP.
• Passionate about optimizing and scaling large, complex systems.
• Strong ability to learn quickly and think analytically about complex problems.
• Understanding of TCP/IP and major protocols such as HTTP, DNS, and TLS.
• Degree in Computer Science or a related field.
• Experience with software development in a Linux environment.
• Proactive, self‑motivated, and able to learn new things with little guidance.
• Highly organized, thorough, and attentive to detail and documentation.

• Proven experience building large‑scale web applications and REST APIs.
• Experience with network protocols.
• Deep understanding of Linux.
• Knowledge of web application frameworks and test automation.
• Experience with containers, Docker and Kubernetes.
• Experience with cloud infrastructure development technologies such as Terraform.

Our culture is collaborative, inclusive, and fun. We have five core values:
Stay Aligned, Get It Done, Customer Empathy, Think Creatively, and Help Each Other Out. We believe in open communication, supporting new ideas, and sharing a mutual mindset of what we’re striving to achieve together. There are tremendous opportunities to take initiative, implement new ideas, and help build a lasting legacy.

All qualified applicants will receive consideration for employment without regard to race, sex, color, religion, sexual orientation, gender identity, national origin, protected veteran status, or disability.