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Senior Software Engineer (Fullstack)

Role overview

Qualifications

  • Strong experience with HTML5, CSS3, Bootstrap, Tailwind CSS, JavaScript (ES6+), and TypeScript.
  • Hands-on experience with at least one modern UI framework: Angular, React, or Vue.js.
  • Strong development experience in Java, Go, or Python.
  • Experience building RESTful APIs, microservices, and distributed systems.

Responsibilities

  • Design, develop, and maintain modern web applications and reusable UI framework components.
  • Contribute to the evolution of front-end architecture, design systems, and development standards.
  • Collaborate with Product Management, UX Designers, QA, and other engineering teams to deliver high-quality solutions.
  • Participate in architecture discussions, code reviews, technical design, troubleshooting, and mentoring activities.

About the company

Sophos logo

Sophos

Cybersecurity

Sophos is a worldwide leader and innovator of advanced cybersecurity solutions, including Managed Detection and Response (MDR) and incident response services and a broad portfolio of endpoint, network, email, and cloud security technologies that help organizations defeat cyberattacks. As one of the largest pure-play cybersecurity providers, Sophos defends more than 500,000 organizations and more than 100 million users globally from active adversaries, ransomware, phishing, malware, and more. Sophos’ services and products connect through its cloud-based Sophos Central management console and are powered by Sophos X-Ops, the company’s cross-domain threat intelligence unit. Sophos X-Ops intelligence optimizes the entire Sophos Adaptive Cybersecurity Ecosystem, which includes a centralized data lake that leverages a rich set of open APIs available to customers, partners, developers, and other cybersecurity and information technology vendors. Sophos provides cybersecurity-as-a-service to organizations needing fully-managed, turnkey security solutions. Customers can also manage their cybersecurity directly with Sophos’ security operations platform or use a hybrid approach by supplementing their in-house teams with Sophos’ services, including threat hunting and remediation. Sophos sells through reseller partners and managed service providers (MSPs) worldwide. Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com

Company details

Company typeLarge
IndustryCybersecurity
Company size1001 - 5000

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Job description

Role Summary

We are looking for a highly motivated Full Stack Software Engineer to join our engineering team and contribute to the development of next-generation web applications, UI frameworks, and developer platforms. The ideal candidate should have strong experience in modern web technologies, front-end frameworks, backend development, and a passion for building scalable, secure, and high-performance applications. 


What You Will Do
  • Design, develop, and maintain modern web applications and reusable UI framework components. 

  • Contribute to the evolution of front-end architecture, design systems, and development standards. 

  • Develop scalable backend services and APIs supporting web and platform initiatives. 

  • Collaborate with Product Management, UX Designers, QA, and other engineering teams to deliver high-quality solutions. 

  • Ensure compliance with web standards, performance best practices, accessibility requirements, and security guidelines. 

  • Participate in architecture discussions, code reviews, technical design, troubleshooting, and mentoring activities. 

  • Leverage modern AI-assisted and Agentic Development environments to improve engineering productivity and software quality. 


What You Will Bring
  • Strong experience with HTML5, CSS3, Bootstrap, Tailwind CSS, JavaScript (ES6+), and TypeScript. 

  • Hands-on experience with at least one modern UI framework: Angular, React, or Vue.js. 

  • Experience building reusable components, design systems, and scalable frontend architectures. 

  • Strong understanding of HTTP/HTTPS, REST APIs, WebSockets, JSON, browser architecture, and rendering lifecycle. 

  • Knowledge of web security concepts such as CORS, CSP, XSS, CSRF, authentication, and authorization. 

  • Strong development experience in Java, Go, or Python. 

  • Experience building RESTful APIs, microservices, and distributed systems. 

  • Familiarity with SQL and/or NoSQL databases. 

  • Proven experience designing and delivering end-to-end features across frontend and backend layers. 

  • Good understanding of application architecture, scalability, performance optimization, and observability. 

  • Experience working with modern AI-powered or Agentic Development environments and tools. 

  • Familiarity with AI-assisted coding, software development automation, test generation, and developer productivity workflows is highly desirable. 

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    MR

    Marcus Rivera

    Chief Revenue Officer

    m.rivera@company.com
    linkedin.com/in/marcusrivera
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