Software Engineer III, Frontend

Our Mission: 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. About 6sense 6sense is the leading Revenue AI platform that helps B2B organizations identify, engage, and convert buyers throughout the customer journey. Powered by AI, big data, and predictive analytics, 6sense enables revenue teams to uncover buying intent, prioritize accounts, and drive growth with greater precision. Trusted by some of the world's most innovative companies, 6sense is transforming how businesses generate and accelerate revenue. About the Role We are seeking a Software Engineer III - Frontend to build and enhance modern, scalable web applications. This role will focus on developing intuitive user experiences, building reusable frontend components, and collaborating closely with Product, Design, and Backend Engineering teams to deliver high-impact customer-facing features. Key Responsibilities Design, develop, test, and maintain modern frontend applications using React and TypeScript. Build reusable UI components and contribute to frontend architecture and design systems. Collaborate with Product Managers, UX Designers, and Backend Engineers to deliver high-quality features. Optimize application performance, scalability, accessibility, and responsiveness. Write clean, maintainable, and well-tested code following engineering best practices. Participate in technical design discussions and contribute to architectural decisions. Conduct code reviews and mentor junior engineers. Contribute across the full stack when needed, partnering with backend engineering teams to design, build, and maintain APIs and services that power frontend experiences. Leverage AI-powered development tools, coding assistants, and autonomous agents to improve engineering productivity, accelerate delivery, and enhance code quality. Troubleshoot production issues and drive continuous improvements. Required Qualifications Bachelor’s degree in Computer Science, Engineering, or a related field. 4+ years of professional software engineering experience with a strong focus on frontend development. Strong hands-on experience with React.js and TypeScript. Deep understanding of JavaScript (ES6+), HTML5, CSS3, and modern frontend development practices. Experience with state management libraries such as Redux, Context API, or Zustand. Experience building responsive, accessible, and high-performance web applications. Strong understanding of REST APIs and frontend-backend integrations. Experience with testing frameworks such as Jest, React Testing Library, Cypress, or similar. Ability and willingness to contribute beyond frontend development and work across backend technologies when required. Demonstrated experience using AI-assisted development tools, coding copilots, and agent-based workflows to improve software development efficiency. Familiarity with build tools such as Webpack, Vite, Babel, and modern CI/CD workflows. Strong problem-solving, debugging, and communication skills. Preferred Qualifications Experience with Next.js or similar frontend frameworks. Experience working with design systems and component libraries. Knowledge of frontend observability, performance monitoring, and optimization techniques. Experience building enterprise SaaS products. Experience working in agile and fast-paced product organizations. Experience building full-stack applications and working with backend technologies. Experience leveraging AI/LLM-based developer tools to improve productivity and software quality. Base Salary Range: $179,400.00 - $263,120.00 . The base salary range represents the anticipated low and high end of the base salary range for this position. Actual salaries may vary and may be above or below the range based on various factors, including but not limited to work location and experience. The base salary is one component of 6sense’s total compensation package for this position. Other compensation may include a bonus program or commission plan, and stock options if approved by 6sense’s board. In addition, 6sense provides a variety of benefits, including generous health insurance coverage, life, and disability insurance, a 401K employer matching program, paid holidays, self-care days, and paid time off (PTO). #Li-remote Notice of Collection and Use of Personal Information for California Residents: California Recruitment Privacy Notice and Policy 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. Equal Opportunity Employer: 6sense is an Equal Employment Opportunity and Affirmative Action Employers. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status. If you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please direct your inquiries to [email protected] . We are aware of recruiting impersonation attempts that are not affiliated with 6sense in any way. A ll email communications from 6sense will originate from the @6sense.com domain . We will not initially contact you via text message and will never request payments . If you are uncertain whether you have been contacted by an official 6sense employee, reach out to jobs@ 6sense.com