About Us Sophos is a cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from Sophos X-Ops to deliver advanced, 24/7 threat monitoring, detection, and response. Sophos offers industry-leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies — including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next-gen SIEM. Together with expert advisory services, these capabilities help organizations proactively reduce risk and respond faster, with the visibility and scalability needed to stay ahead of evolving threats. Sophos goes to market with a global partner ecosystem, including Managed Service Providers (MSPs), Managed Security Service Providers (MSSPs), resellers and distributors, marketplace integrations, and cyber risk partners, giving organizations the flexibility to choose trusted relationships when securing their business. Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com.
Role Summary
At Sophos, our mission is clear: defeat cyberattacks and protect organizations around the world. We are seeking a Junior Software Engineer to join our Security features team and help build the systems that make that mission possible.
In this role, you will work as part of a fast-paced, high-performing engineering team that designs, architects, and builds systems from the ground up. You’ll work on real production code that protects customers at scale and gain hands-on experience throughout the software development lifecycle - from understanding requirements, to implementing, testing, and deploying out new features.
This position is for someone early in their career, who is excited to learn by doing. As a Junior Software Engineer, we will guide you through breaking down complex problems and translating their solutions into clean, production-ready code. As you grow, you’ll develop strong systems-level thinking and gain confidence debugging issues, improving existing systems, and building new services from scratch.
Overall, we value curiosity, flexibility, and creative problem solving, and are committed to helping new hires build the foundations they need to grow into strong software engineers.
Role Summary
At Sophos, our mission is clear: defeat cyberattacks and protect organizations around the world. We are seeking a Junior Software Engineer to join our Security features team and help build the systems that make that mission possible.
In this role, you will work as part of a fast-paced, high-performing engineering team that designs, architects, and builds systems from the ground up. You’ll work on real production code that protects customers at scale and gain hands-on experience throughout the software development lifecycle - from understanding requirements, to implementing, testing, and deploying out new features.
This position is for someone early in their career, who is excited to learn by doing. As a Junior Software Engineer, we will guide you through breaking down complex problems and translating their solutions into clean, production-ready code. As you grow, you’ll develop strong systems-level thinking and gain confidence debugging issues, improving existing systems, and building new services from scratch.
Overall, we value curiosity, flexibility, and creative problem solving, and are committed to helping new hires build the foundations they need to grow into strong software engineers.
What you will do
Write code, primarily in TypeScript, across frontend (e.g. Vue, React, Angular) and backend services.
Design and implement APIs to query, aggregate, and serve data reliably at scale.
Debug production issues and improve system performance, reliability, and code quality.
Learn the fundamentals of building cloud infrastructure using Infrastructure as Code (e.g., Terraform).
Participate in research, prototype and evaluate solutions, making thoughtful technical trade-offs.
Contribute to code reviews and automated testing to enable safe, frequent releases.
Use the latest AI coding tools to help you learn faster and accelerate delivery, while building the deep engineering foundations to become an expert in your own right. Collaborate with experienced engineers, Product Managers, UI designers, and Cyber Analysts to solve meaningful security problems. Contribute to sprint ceremonies, provide dependable estimates, and deliver on commitments with transparency.
What you will bring
Essential
Strong foundations in computer science fundamentals (e.g., data structures, algorithms, software design, and debugging).
Experience writing your own code through academic projects, internships, personal projects, or open-source contributions.
Curiosity, continuous learning, and a willingness to take ownership.
BSc in Computer Science or a related numerate discipline, or equivalent practical experience.
Desirable
Experience with JavaScript or TypeScript (professional experience not required).
Familiarity with frontend development (e.g., Vue, React, Angular).
Exposure to automated testing (unit, integration, or end-to-end).
Familiarity with REST APIs or GraphQL.
About Us Sophos is a cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from Sophos X-Ops to deliver advanced, 24/7 threat monitoring, detection, and response. Sophos offers industry-leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies — including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next-gen SIEM. Together with expert advisory services, these capabilities help organizations proactively reduce risk and respond faster, with the visibility and scalability needed to stay ahead of evolving threats. Sophos goes to market with a global partner ecosystem, including Managed Service Providers (MSPs), Managed Security Service Providers (MSSPs), resellers and distributors, marketplace integrations, and cyber risk partners, giving organizations the flexibility to choose trusted relationships when securing their business. Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com. Role Summary At Sophos, our mission is clear: defeat cyberattacks and protect organizations around the world. We are seeking a Junior Software Engineer to
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