Staff Software Engineer (UI)

Redefine the future of customer experiences. One conversation at a time.

At Nextiva, we’re reimagining how businesses connect, bringing together customer experience and team collaboration on a single, conversation centric platform. Powered by AI, driven by human innovation.

Our culture is forward thinking, customer obsessed and built on the belief that meaningful connections drive better business outcomes. Whether it’s through our signature Amazing Service®, the technology we create, or the experiences we cultivate, connection is at the core of who we are.

If you’re ready to collaborate with incredible people, make an impact, and help businesses everywhere deliver truly amazing experiences, this is where you belong.

Location: This is an onsite role based at Nextiva’s Bengaluru office (Wilshire III by MFAR, 492, Hobli, RHB Colony, Mahadevapura, Bengaluru, Karnataka 560048). Working together onsite strengthens how we operate, enabling faster decisions, clearer communication, and stronger execution, so you can make a greater impact and move work forward with speed and clarity.

In-Office Expectation: This role is expected to work onsite four days per week, with the potential to increase to five days per week, as required by the business. Specific scheduling and flexibility will be guided by your leader to support both team collaboration and individual productivity.

The Staff Engineer – Frontend is a senior individual contributor role for a hands-on technical leader with deep frontend expertise, strong ownership instincts, and a highly collaborative mindset. This role is responsible for driving the execution, architecture, and modernization of our web applications while remaining actively engaged in writing high-quality production code.

As a strong IC, you will own complex frontend initiatives end to end, make sound technical and design decisions, and raise the bar for performance, scalability, reliability, and user experience. You will collaborate closely with product, design, backend engineering, and other cross-functional partners to align technical solutions with business goals and deliver impactful, user-centered experiences.

Beyond execution, you will influence technical direction through architecture reviews, code reviews, mentorship, and engineering best practices. You will also be open to providing team leadership when needed, helping guide priorities, support execution, unblock engineers, and foster a high-performing, collaborative engineering culture.

This role is ideal for someone who leads through expertise, execution, collaboration, and influence, with a growth path toward either deep frontend specialization or broader engineering leadership.

We are seeking a Staff Engineer – Frontend (UI) to drive the evolution of our web applications and contribute to Nextiva’s mission of delivering exceptional customer experiences through a unified, modern platform powered by AI and automation.

Responsibilities

• Lead the rebuild and modernization of existing web applications to improve performance and user experience
• Collaborate closely with design teams to translate UI/UX concepts into high-quality, scalable interfaces
• Write clean, maintainable, and high-performance React-based frontend code
• Take ownership of end-to-end feature delivery, from design to deployment
• Influence frontend engineering standards through architecture discussions, code reviews, and engineering best practices
• Debug complex issues, identify bottlenecks, and optimize frontend performance
• Work with and improve CI/CD pipelines for frontend delivery
• Evaluate and adopt modern tools/libraries (e.g., TanStack, data/query tools)
• Ensure consistency, scalability, and maintainability of frontend architecture
• Collaborate with cross-functional teams including product, backend, and QA
• Define and evolve frontend architecture standards across a multi-package monorepo
• Own and evolve shared design systems and component libraries used across the platform
• Review PRs with attention to architectural patterns, accessibility, maintainability, and code quality
• Support and mentor engineers across the team and provide team leadership support when needed

Requirements Basic Qualifications

• 9–12 years of experience in frontend development
• Strong expertise in React and core frontend fundamentals (JavaScript, HTML, CSS)
• Proven experience working in product-bas…