Senior Software Engineer - Cloud

SOFTWARE ENGINEERING Keep a platform serving 8 million+ learners fast, reliable and cost-efficient and help decide how it should be built. Join TryHackMe as a Senior Cloud/Software Engineer. This isn't a traditional DevOps role. It's for a strong software engineer who has gone deep into cloud infrastructure, reliability and distributed systems. You'll work across AWS and Vercel on infrastructure shaped by unusually demanding cyber security learning environments. Location/Time zone: this is a remote role, but strong overlap with UK business hours is required. The Role TryHackMe operates across AWS and Vercel, supporting live virtual machines, hands-on security exercises and a high-traffic web product. You'll work in a small, focused Cloud/SRE squad with real ownership over how the platform evolves. We're looking for a senior software engineer with strong hands-on AWS and infrastructure experience who can own problems across application code, cloud infrastructure, reliability, security and cost. You should be as comfortable changing production TypeScript/Node.js as you are debugging a distributed system or evolving its infrastructure. This is not a traditional DevOps role focused on pipelines or infrastructure in isolation. We need someone who owns the whole problem, including existing systems, and can make pragmatic decisions about how they should evolve. You'll be working on things like:

• Designing and operating software, tooling and AWS infrastructure across networking, compute, containers, databases, IAM, storage and security
• Writing and maintaining production Node.js/TypeScript alongside infrastructure-as-code and automation
• Cloud cost optimisation and finding more efficient ways to run the platform without compromising reliability
• Reliability, observability, incident response, disaster recovery and failure testing
• Operating and scaling production databases, including performance, capacity and availability concerns
• Vercel and our evolving application hosting model
• Developer tooling and automation that reduce operational overhead
• Working with Content Engineering on the virtual-machine infrastructure powering our hands-on learning experience
• Supporting security and assurance work, including technical controls and audit findings Day to day, you'll own technical problems from discovery through production, debug across software and infrastructure, lead code and design reviews, mentor other engineers and help raise the technical bar across the team. What You'll Bring
• Strong software engineering fundamentals and a track record of shipping and owning production software
• Strong hands-on AWS experience, beyond basic service familiarity or certification-level knowledge
• Solid infrastructure depth across networking, compute, containers, serverless, IAM, storage, monitoring and security
• Strong production debugging skills and a good understanding of distributed systems
• Experience operating and scaling production databases
• Strong infrastructure-as-code and automation experience
• Good judgement around reliability, performance, security, cost and long-term maintainability
• Confidence with AI development tools such as Cursor, Codex or Claude, paired with the judgement to challenge their output
• Clear communication and the ability to work effectively in a small, high-ownership team
• Able to work with strong overlap with UK business hours
• Bonus: NoSQL/MongoDB experience, Vercel, Next.js infrastructure, Kubernetes/ECS, observability, high-scale SaaS, disaster recovery or chaos engineering. Why This Role Our infrastructure problems aren't generic. They're genuinely unusual, and you'll have real influence over how we solve them, not just a rulebook to follow. Benefits & Perks
• 🚣 100% Remote - work from anywhere you want!
• 💻 Tools - a dedicated work laptop + any accessories you need to do your best work.
• 👕 Swag Pack - start your TryHackMe journey with a branded swag bundle!
• 💪 Personal Development - £2,500 training budget to acquire certifications, and more.
• ⛱️ Company Retreat - an annual company retreat, fully paid for us!
• 🍕 Lunch on us - covered during our recurring company virtual lunches.
• 🧡 Health Insurance - if you're in a country that doesn't have public health care.
• 🍼 Enhanced Maternity & Paternity - an enhanced package on top of statutory requirements.
• 💸 401k / Pension - TryHackMe makes it easy to save money for your retirement. Our Hiring Process
• Stage 1: Introductory Chat with Talent Partner (:15 mins)
• Stage 2: Technical & Experience Interview with the Head of Engineering
• Stage 3: Take-Home AI-Assisted Technical Assessment
• Stage 4: Founders Interview (Culture & Operating Alignment) with Co-Founder TryHackMe takes the pain out of learning and teaching cyber security. Our platform makes it a comfortable experience to learn by designing prebuilt courses that include virtual machines (VM) hosted in the cloud and ready to be deployed. This avoids the hassle of downloading and configuring VMs. Our platform is perfect for CTFs, Workshops, Assessments, or Training. We've come a long way since launching in 2018, with over 8 million users on the platform!