Software Development Engineer (SDE III)

At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation. Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive. Overview: We are seeking an experienced Software Development Engineer to design, build, and optimize modern digital experiences that serve a global audience. This role combines deep full stack engineering expertise with emerging AI-driven software development practices, enabling teams to accelerate innovation through AI-augmented engineering, intelligent automation, and generative AI solutions. The ideal candidate is a highly skilled software engineer who can lead technical initiatives, influence architecture decisions, mentor engineers, and leverage modern AI platforms and developer tools to deliver scalable, secure, and performant customer experiences. This position works across product, marketing, data, and platform teams to build and evolve customer-facing applications powered by modern web technologies, content platforms, search experiences, and AI-enabled capabilities. Key Responsibilities: Software Engineering & Architecture: • Develop and optimize user-centered web experiences and contribute to the evolution of the Sanity CMS platform, including content modeling, integrations, and authoring workflows. • Design, develop, test, deploy, and maintain highly scalable web applications and digital experiences. • Lead the technical design and implementation of complex features and platform capabilities. • Drive architecture decisions focused on reliability, performance, maintainability, security, and scalability. • Manage the full software development lifecycle, from requirements and design through deployment and operational excellence. • Implement modern cloud-native and headless architecture patterns. • Establish and enforce engineering best practices, coding standards, testing strategies, and CI/CD processes. • Troubleshoot and resolve complex production issues across distributed systems.AI-Augmented Software Development: • Leverage AI-assisted development tools to improve engineering productivity, code quality, and delivery velocity. • Utilize Generative AI coding assistants and enterprise AI tools throughout the software development lifecycle. • Integrate AI-enabled workflows into development, testing, documentation, code reviews, and operational processes. • Evaluate emerging AI technologies and recommend adoption strategies that create measurable business value. • Champion engineering best practices for responsible AI usage, governance, security, and compliance. Generative AI Agent Development: • Design and develop AI-powered applications, assistants, and autonomous agents that improve customer and business experiences. • Build integrations with enterprise AI platforms and large language models. • Develop workflows involving prompt engineering, retrieval-augmented generation (RAG), orchestration frameworks, and AI agents. • Implement observability, evaluation, and performance optimization strategies for AI applications. • Collaborate with stakeholders to identify business processes that can be enhanced through AI-driven automation.Technical Leadership: • Serve as a technical leader for cross-functional initiatives. • Mentor and coach engineers through code reviews, architectural guidance, and knowledge sharing. • Influence engineering strategy, platform modernization efforts, and technology roadmaps. • Partner with Product Managers, UX Designers, Marketing teams, Data teams, and other engineering organizations to deliver high-impact solutions. • Drive continuous improvement across development practices, operational excellence, and engineering culture.Required Qualifications: • Bachelor's degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience. • 5+ years of professional software engineering experience designing and delivering production software solutions. • Experience with AI-Augmented Software Development practices and tools. • Experience designing and deploying Generative AI applications, copilots, assistants, or agents. • Experience building UX-focused web applications and working with headless CMS platforms, preferably Sanity. • Strong expertise in JavaScript and TypeScript development. • Experience building modern applications using: • Next.js • React • Tailwind CSS • HTML/CSS • Experience with GitLab-based source control and CI/CD pipelines. • Experience designing and consuming RESTful APIs and distributed services. • Strong understanding of software design patterns, data structures, algorithms, and system design. • Experience working within Agile software development methodologies. • Strong written and verbal English communication skills, with the ability to clearly articulate technical concepts, architecture decisions, and project status to both technical and non-technical audiences.Preferred Qualifications: • Experience with Gemini Enterprise technologies, including: • Gemini Models • Vertex AI • Antigravity • Agent-building frameworks and tooling • Experience implementing Retrieval-Augmented Generation (RAG) solutions. • Familiarity with enterprise AI governance, security, and responsible AI principles. • Experience with digital experience platforms, content management systems, and customer-facing web solutions.Technology Stack: Digital Experience & Marketing Technologies: • Sanity CMS • Vercel • Tealium • Coveo • MarketoFront-End Development: • Next.js • React • TypeScript • JavaScript • Tailwind CSS • HTML5/CSS3AI & Emerging Technologies: • Gemini Enterprise • Vertex AI • Antigravity • AI-Augmented Development Tools • Generative AI Agent Development • Prompt Engineering • Retrieval-Augmented Generation (RAG)Engineering & DevOps: • GitLab • CI/CD Pipelines • Automated Testing • Monitoring and Observability • Cloud-Native Architectures​#LI-DJ1 #LI-Hybrid The Job Description is intended to be a general representation of the responsibilities and requirements of the job. However, the description may not be all-inclusive, and responsibilities and requirements are subject to change. Please note that F5 only contacts candidates through F5 email address (ending with @f5.com) or auto email notification from Workday (ending with f5.com or @myworkday.com). Equal Employment Opportunity It is the policy of F5 to provide equal employment opportunities to all employees and employment applicants without regard to unlawful considerations of race, religion, color, national origin, sex, sexual orientation, gender identity or expression, age, sensory, physical, or mental disability, marital status, veteran or military status, genetic information, or any other classification protected by applicable local, state, or federal laws. This policy applies to all aspects of employment, including, but not limited to, hiring, job assignment, compensation, promotion, benefits, training, discipline, and termination. F5 offers a variety of reasonable accommodations for candidates. Requesting an accommodation is completely voluntary. F5 will assess the need for accommodations in the application process separately from those that may be needed to perform the job. Request by contacting accommodations@f5.com.