Senior Front-End Engineer II (ReactJS)

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ConnectWise is an industry and Global leading software company with over 3,000 colleagues in North America, EMEA and APAC. As a community-driven software company dedicated to the success of technology solution providers, our suite helps over 45,000 of our partners manage their businesses better, sell more efficiently, automate service delivery, and remotely control technology so they can consistently deliver amazing customer experiences. Our company is powered by our connections, our colleagues, and our community. And, we accept all kinds. Game-changers, innovators, culture-lovers-and humankind. We invite discovery and debate. We recognize key moments as milestones. We see you and value you for your unique contributions. Our inclusive, positive culture lays the foundation to ensure every colleague is valued for their perspectives and skills, giving you the choice of how YOU make a difference. Curious? Read this opportunity to learn how YOU can make a difference at ConnectWise! General Summary: The Senior Front-End Engineer II is responsible for developing, enhancing, and maintaining high quality, innovative, and fully performing front-end code for web applications. This role works in partnership with various Engineering teams to ensure alignment of web design and user experience while prioritizing web optimization and coding standards. Essential Duties & Responsibilities: Frontend Development & Architecture Build and maintain scalable UI applications using React + JavaScript / TypeScript Implement reusable patterns for: Component structure State management (Redux Toolkit, Zustand, React Query) API integration (REST / GraphQL) Component Library & Design System Develop and maintain shared UI components Ensure: Consistency with design guidelines Accessibility Responsiveness Work with design teams using tools like Figma, Storybook Code Quality & Best Practices Write clean, maintainable, well-tested code Follow and enforce: Coding standards Linting, formatting rules Component reusability Participate in code reviews and feedback cycles Performance Optimization Optimize: Page load times Rendering performance Bundle size (lazy loading, code splitting) Monitor and fix performance bottlenecks Developer Experience (DX) Contribute to improvements in: Build tools and configs Local development setup Help maintain CI/CD workflows for frontend Testing & Reliability Write and maintain: Unit tests (Jest, Vitest) Integration/E2E tests (Playwright, Cypress) Ensure UI reliability and reduce regression issues Collaboration & Execution Work closely with: Product managers UX designers Backend engineers Break down features and deliver independently with minimal supervision Learning & Growth Stay updated with evolving frontend ecosystem: React updates Modern CSS strategies Gradually take ownership of modules or feature areas Required Qualifications 4-6 years of experience in frontend/full-stack development Strong expertise in: React + TypeScript / JavaScript Modern JavaScript (ES6+) Experience with: API integration (REST or GraphQL) State management libraries Solid understanding of: HTML, CSS, responsive design Browser rendering and performance basics Knowledge, Skills, and/or Abilities Required: Experience with: React.js or similar frameworks Component libraries / design systems Monorepos or shared UI platforms Familiarity with: Micro-frontend basics Exposure to cloud environments and CI/CD pipelines Educational/Vocational/Previous Experience Recommendations: Key Traits Strong execution and ownership mindset Attention to detail in UI/UX quality Good problem-solving and debugging skills Effective communication and teamwork Success Metrics Quality and reusability of components built Feature delivery velocity and reliability Reduction in UI bugs and regressions Contribution to codebase maintainability Adoption of shared components across teams Typical Tech Stack (2026) React 18+, TypeScript design tokens React Query / Redux Toolkit Storybook Playwright / Jest / Vitest Turborepo / Nx / Lerna ConnectWise is an Equal Opportunity Employer, dedicated to building a diverse and inclusive workforce and providing a workplace free from discrimination and harassment. ConnectWise provides equal employment opportunities to all employees and applicants without regard to race, ethnicity, color, religion, age, sex (including pregnancy), sexual orientation, gender, gender identity or expression, ancestry, national origin, citizenship status, physical or mental disability, genetic information, military/veteran status, marital status, familial or parental status, or any other characteristic or status protected by applicable federal, state and local laws. The statements above are intended to describe the general nature and level of work being performed by individuals assigned to this job. Other duties may be assigned as needed. Reasonable accommodations may be m

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