Software Engineer

• At Sophos, our mission is clear: defeat cyberattacks and protect organizations around the world. We are seeking a 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 own the delivery of project work end-to-end — from understanding requirements, through design, implementation, testing, and deployment — and you’ll be responsible for the full lifecycle of the code you ship, including production support and continuous improvement
• This position is for an engineer who has a few years of professional experience under their belt and is ready to take ownership of meaningful work with moderate guidance
• You’ll partner with senior engineers on more complex problems, mentor more junior teammates, serve as an on‑call first responder for the services your team owns, and help raise the bar on quality and developer experience across the team
• We value curiosity, flexibility, and creative problem solving, and we’re committed to helping engineers continue to grow into senior technical leaders
• Design, develop, ship, and maintain features end‑to‑end in TypeScript across React frontends and backend services, with guidance from senior engineers on more complex initiatives
• Own delivery of project‑level work with moderate guidance — from breakdown and design through implementation, testing, deployment, and post‑release iteration
• Design and implement APIs that query, aggregate, and serve data reliably at scale
• Build and operate cloud infrastructure using Infrastructure as Code (e.g., Terraform), following established team patterns
• Serve as an on‑call first responder for the services your team owns; triage, debug, and resolve production issues, then drive durable fixes and improvements
• Create test plans for the features you build and contribute to automated testing (unit, integration, end‑to‑end) to enable safe, frequent releases
• Conduct peer reviews of code, designs, test plans, and documentation, providing constructive feedback that raises team quality and adheres to engineering standards
• Mentor IC1 engineers and interns; openly share expertise and knowledge within the team
• Improve the developer experience by enhancing tooling, test coverage, and code structure (shift‑left)
• Use modern AI coding tools to accelerate delivery while continuing to build the deep engineering foundations needed to grow into a senior engineer
• Collaborate with Product Managers, UI designers, Cyber Analysts, and other engineers to deliver meaningful security outcomes for our customers

Benefits

• We encourage teams to get together in person periodically to help facilitate teamwork
• Remote‑first working model & hybrid options
• Flexible start and end times for many roles
• Leadership development program
• Access to LinkedIn Learning
• Global internal coaching program (Coach Match)
• Periodic Sophos wellness days off for all Sophos to help employees relax and recharge
• Global wellbeing program, which offers a range of wellbeing resources, including Sophos Wellbeing Webinars, Stress Management Toolkits, and Developing Resilience Courses
• Free Employee Assistance Program (EAP) for confidential advice and counseling on a wide range of work and personal issues
• Free annual subscription to the Calm app
• Paid parental leave, caregiver leave & bereavement/compassion leave available
• We host some unforgettable social experiences for our global teams including our music festival SOPH-Fest, go‑karting, Sophmudder, and incredible holiday parties!
• Our annual global fitness challenge, SOPH-Fit, sees thousands of employees taking part in our virtual global race around the world
• Each quarter, we celebrate our exceptional global team by running the Sophos Values Awards, which recognizes and rewards employees who embody the Sophos values and who we are as a company
• Health care benefits available worldwide

Qualifications

• Solid grounding in computer science fundamentals: data structures, algorithms, software design, and debugging
• Curiosity, continuous learning, and a strong sense of ownership over the code and systems you build
• Experience designing and building backend services and REST or GraphQL APIs
• Clear written and verbal communication skills; comfort mentoring more junior engineers and sharing knowledge openly
• Proficiency in TypeScript or JavaScript and a modern frontend framework (React preferred)
• ~3+ years of professional software engineering experience shipping production systems (or equivalent demonstrable experience)
• Experience with relational and/or NoSQL databases, including basic schema design and query work
• Experience writing automated tests (unit, integration, end‑to‑end) and giving high‑signal code reviews
• Ability to break down ambiguous problems, scope work, and reason through trade‑offs with limited guidance
• Track record of consistently delivering on time and to agreed quality
• BSc in Computer Science or a related numerate discipline, or equivalent practical experience
• Experience with cloud platforms (AWS preferred) and Infrastructure as Code (Terraform, CDK)
• Experience operating production services (on‑call rotations, observability, incident response)
• Familiarity with CI/CD pipelines and modern delivery practices
• Exposure to event‑driven, distributed, or large‑scale data systems
• Interest or experience in cybersecurity
• Experience using AI‑assisted developer tools to improve productivity and learning velocity

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