Software Engineer III, Frontend

We're seeking a Software Engineer III - Frontend to join our Engineering team and build modern, scalable web applications. You'll collaborate with Product Managers, UX Designers, and Backend Engineers to deliver intuitive, high-impact customer experiences while leveraging AI-powered development tools. What will you own

• Design, develop, test, and maintain React and TypeScript applications.
• Build reusable UI components and contribute to frontend architecture and design systems.
• Collaborate with Product, Design, and Backend Engineering teams.
• Optimize performance, accessibility, scalability, and responsiveness.
• Write clean, maintainable, well-tested code.
• Participate in architecture discussions, code reviews, and mentor junior engineers.
• Contribute across the full stack when needed.
• Leverage AI-powered coding assistants and agentic workflows.
• Troubleshoot production issues and drive continuous improvements.

• Bachelor's degree in Computer Science, Engineering, or related field.
• 4+ years of frontend software engineering experience.
• Strong React.js, TypeScript, JavaScript, HTML5, CSS3 skills.
• Experience with Redux, Context API, or Zustand.
• Experience with REST APIs, testing frameworks, CI/CD, and AI-assisted development tools.
• Strong problem-solving, debugging, and communication skills.
• Preferred: Next.js, design systems, enterprise SaaS, Agile, full-stack experience.

• Deliver high-quality, scalable frontend experiences.
• Collaborate effectively across teams.
• Drive engineering excellence and mentor peers.
• Improve performance, reliability, and user experience.
• Adopt AI-powered development to accelerate delivery.

Our Benefits:

Full-time employees can take advantage of health coverage, paid parental leave, generous paid time-off and holidays, quarterly self-care days off, and stock options. We'll make sure you have the equipment and support you need to work and connect with your teams, at home or in one of our offices.

We have a growth mindset culture that is represented in all that we do, from onboarding through to numerous learning and development initiatives including access to our LinkedIn Learning platform. Employee well-being is also top of mind for us. We host quarterly wellness education sessions to encourage self care and personal growth. From wellness days to ERG-hosted events, we celebrate and energize all 6sense employees and their backgrounds.

6sense's mission is to multiply what matters: growth, retention, and efficiency. We envision a future where companies, teams and people reach their full potential. Our People: People are the heart and soul of 6sense. We serve with passion and purpose. We live by our Being 6sense values of Win as One Team, Stay Curious, Do The Right Thing, Own the Outcome, and Create Belonging. Every 6sensor plays a part in defining the future of our industry-leading technology. 6sense is a place where difference-makers roll up their sleeves, take risks, act with integrity, and measure success by the value we create for our customers. We want 6sense to be the best chapter of your career.