This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Software Engineer, Fullstack in Brazil.We are seeking an experienced Fullstack Software Engineer to join a dynamic team building a high-performance commerce platform used globally. In this role, you will design and implement both frontend and backend solutions, focusing on event tracking, API integration, and scalable data ingestion. You will collaborate closely with cross-functional teams to define architecture, deliver strategic initiatives, and ensure system reliability and security. Your work will directly impact millions of events processed daily, providing actionable insights to internal teams and merchants. Mobile development experience is a plus, and a data-driven mindset is essential. This is a remote-first role offering a challenging environment with opportunities for professional growth and global collaboration.Accountabilities:Develop and maintain frontend applications to capture and transmit user events efficiently.Build and optimize resilient backend APIs for large-scale data ingestion into Lake House structures.Contribute to software architecture discussions and strategic planning initiatives.Collaborate with product, data, and engineering teams to ensure scalable and high-quality solutions.Implement data-oriented approaches to prioritize features, fixes, and optimizations.Participate in mobile development efforts when necessary (iOS/Android).Maintain quality, security, and scalability standards across all solutions.RequirementsProven experience in fullstack development, with strong frontend and backend technical skills.Expertise in frontend technologies, operating system fundamentals, and rendering methodologies.Strong knowledge of backend systems, API development, and event management.Data-driven problem-solving and prioritization skills.Experience with mobile development (iOS/Android) is a plus.Familiarity with ecommerce solutions is highly desirable.Excellent communication skills to translate business challenges into technical solutions.Strong understanding of system reliability, scalability, and quality best practices.BenefitsAnnual profit-sharing program and equity eligibility.Health, dental, and life insurance with national coverage.Professional development budget for technical growth.Language development programs (English, Spanish, Portuguese).Flexible meal allowance and wellness programs.Extended parental leaves and child-care assistance.Flexible work schedule in a remote-first culture.Financial support for home office setup.Free shipping on thousands of online stores.Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.When you apply, your profile goes through our AI-powered screening process designed to identify top talent efficiently and fairly. Our AI evaluates your CV and LinkedIn profile thoroughly, analyzing your skills, experience, and achievements. It compares your profile to the job's core requirements and past success factors to determine your match score. Based on this analysis, we automatically shortlist the 3 candidates with the highest match to the role. When necessary, our human team may perform an additional manual review to ensure no strong profile is missed.The process is transparent, skills-based, and free of bias — focusing solely on your fit for the role. Once the shortlist is completed, it is shared directly with the company that owns the job opening, which manages the final decision and next steps, including interviews or assessments.Thank you for your interestHaut du formulaireBas du formulaireLI-CL1