Senior Front-End Engineer II (ReactJS)

About this role

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

• 5-8 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…