Senior Software Engineer, Proactive Security

Our Global Structure Deliveroo is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates, systems, and leaders across DoorDash and Wolt. Together, we’re unlocking new possibilities as one global team. Who We Are Join us in our mission to transform the way people shop and eat, where impact, innovation and growth drive everything we do. Our Engineering teams tackle complex technical challenges across a global, three-sided marketplace, building and scaling systems that serve millions of customers, riders and partners every day. From real-time logistics to resilient infrastructure and marketplace optimisation, we design, build and operate technology that powers Deliveroo’s growth at scale. We’re looking for a Senior Software Engineer, Proactive Security to join our London (Hybrid) team. In this role, you will be a part of our inclusive, collaborative global team responsible for enabling proactive security outcomes with “security paved paths” to ensure a safe, reliable and resilient delivery network. Get to know our Proactive Security Engineering team — what drives us, how we work, and what you can expect. About the Team At Deliveroo we’re striving to build London’s best and most admired Security Engineering organisation as part of our global team based across North America and Europe. Our London based Security Engineering team is looking for a Software Engineer to lead the design, development and operation of security services within Deliveroo’s Product and Cloud Security domains. You will be a part of our inclusive, collaborative global team responsible for building “security paved paths” to ensure a safe, reliable and resilient delivery network. This is a London based position reporting directly to the European Senior Manager of our Security Engineering team based in London. What You’ll Need to Thrive • Build and maintain core security products, including but not limited to Remote Access Management, Secrets Management, Tokenization, Encryption and Knowledge Graphs, Access Control at global scale. • Partner cross-functionally with Core Infrastructure, Product Engineering, Legal, Security teams and Vendor Partners to build “paved paths” that provide actionable feedback to embed secure design practices into the product and infrastructure development process. • Lead the technical direction and roadmap for your assigned area of ownership. • Build and maintain high Operational Excellence (OE) to ensure we operate T0 services with excellence, rigor and durable standards to ensure minimal to no downtime. • Participate in on-call rotation and promptly respond to on-call events with urgency and rigor. • Manage the lifecycle of security product feature requests and improvements full life-cycle from triage, validation, design, testing, and implementation. • Influence and drive improvements to engineering standards, leverage advancements and LLMs to improve productivity and velocity. • Mentor and coach earlier career engineers, setting and enforcing high standards for Operational Excellence and Software Engineering. Requirements • Able to demonstrate a track record of driving improvements to a company’s infrastructure security posture. • Breadth of technical experience across various infrastructure and security areas running in large production environments. • Highly skilled in distributed systems and platforms development using program languages such as Java/Scala/Kotlin, Golang, or Python. • Strong experience with infrastructure as a code tooling like Terraform. • Expertise with cloud infrastructure and management in AWS. • Experience solving complex, systemic issues that require creative thinking and solutions. • Exceptional analytical and investigative abilities with hands-on experience leading root cause analysis. • Excellent verbal and written communication skills to review design documents with respect to cloud infrastructure, security and engineering personnel. • Must be comfortable regularly exercising discretion and independent judgment in performing job duties, including evaluating options, making informed decisions, and determining appropriate courses of action within the scope of assigned responsibilities with minimal oversight. Why Join Us? At Deliveroo, you’ll do work that matters—solving real-world problems in a three-sided marketplace that’s constantly evolving. We’re food lovers, problem solvers, community organisers, proud parents, and more, brought together by a shared drive to make things better. Working here you can expect to: 🔧 Solve meaningful problems at real scale Work on a complex, always-on marketplace that impacts millions every day. 🌱 See your impact, ship fast, leaning into AI, test and improve ideas quickly in a low-hierarchy, high-ownership environment. 🧠 Grow through challenge and ownership. Take on big, ambiguous problems and accelerate your career with strong support. 🌎 A culture built for builders high standards, collaboration, flexible working and continuous learning. 💰 Share in the success you help create competitive salary and DoorDash RSUs, so you’re rewarded for the impact you make. ➡️ Want a deeper look at how we build? Check out our Tech Blog. We aim to create a fair process that lets your skills shine—our interview typically includes 5-6 stages. Explore our Engineering Interview Guide here to help you feel confident at each stage. Our Global Structure Deliveroo is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates, systems, and leaders across DoorDash and Wolt. Together, we’re unlocking new possibilities as one global team. Diversity, Equity and Inclusion At Deliveroo, we know that a great workplace reflects the world around us and that true diversity and inclusion make us stronger, more creative, and b