This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Lead Software Engineer based in Brazil. This is a senior full-stack engineering opportunity focused on building high-traffic consumer web experiences and supporting SEO and growth initiatives.You will take ownership of features from technical discovery and design through deployment, maintenance, and continuous improvement.The role combines strong front-end expertise with solid back-end engineering, giving you broad influence across the product development lifecycle.You’ll work closely with Product and Engineering leadership to turn ambiguous requirements into practical technical solutions and measurable outcomes.Success requires strong technical judgment, the ability to balance speed and quality, and confidence operating with significant autonomy.You’ll contribute to an Agile engineering environment where collaboration, accessibility, performance, and code quality are highly valued.The position also offers opportunities to mentor peers and provide technical leadership on important initiatives.