Sr. Software Engineer

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.

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.

Requirements

• 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.
• Notice of Collection and Use of Personal Information for California Residents: California Rec

Benefits

Additional Information

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.

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