Senior Frontend Engineer

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Frontend Engineer in Brazil.

This role offers the opportunity to shape the user experience of a fast-growing, product-led SaaS platform where frontend quality directly drives customer value. You will play a key role in building and evolving modern web applications that power critical business workflows, from sales tools to integrated CRM functionalities. Working in a high-growth, engineering-driven environment, you will collaborate closely with cross-functional teams to design scalable, maintainable, and high-performance frontend systems. The position combines hands-on development with architectural influence, giving you a real voice in technical decisions and product direction. You will contribute across the full development lifecycle, ensuring code quality, usability, and long-term maintainability. This is a role for someone who enjoys solving complex UI challenges while continuously improving engineering standards in a fast-moving startup setting.

You will be responsible for building, evolving, and maintaining robust frontend systems that deliver high-quality user experiences and support the platform’s long-term scalability.

• Contribute to frontend architecture decisions and help evolve the technical foundation of the platform.
• Develop and maintain responsive, reusable, and high-performance web applications.
• Participate in all stages of the software development lifecycle, from planning and design to deployment and maintenance.
• Collaborate with product, design, and engineering teams to translate requirements into technical solutions.
• Write clean, maintainable code and implement reusable frontend components and libraries.
• Build and maintain automated testing strategies, including unit, integration, and end-to-end tests.
• Troubleshoot production issues and ensure smooth operation of frontend applications in live environments.

Requirements

You should bring strong frontend engineering experience, a product-focused mindset, and the ability to thrive in a fast-paced, collaborative environment. The role requires both technical depth and ownership of product quality.

• 5+ years of software development experience, including 3+ years in a senior engineering role.
• Strong expertise in JavaScript and modern frontend frameworks, particularly React and Redux.
• Solid experience with SCSS and building responsive UI systems.
• Experience integrating and working with RESTful APIs.
• Strong understanding of frontend testing practices (unit, integration, regression, and acceptance testing).
• Proven ability to break down complex problems into incremental, scalable solutions.
• Strong communication skills and ability to collaborate effectively across teams.
• Comfortable working in early-stage or high-growth environments with evolving priorities.
• Ownership mindset with a focus on product quality and user experience.
• Bonus: familiarity with agile methodologies and continuous delivery practices.

Benefits

• Flexible paid time off, including structured breaks and company-wide shutdown periods.
• Comprehensive health, dental, and extended benefits coverage depending on location.
• Retirement savings plans with employer matching options.
• Generous parental leave policies supporting new parents.
• Remote-first work environment with home office support and stipends.
• Learning and development opportunities to support ongoing career growth.
• Annual company gatherings and team-building events.
• Internet and home office allowances to support remote productivity.
• Strong engineering culture focused on ownership, collaboration, and impact.