Senior Frontend Engineer
Sigma Software GroupSão Paulo, Brazil
Posted March 26, 2026
Full Time
About the Company
Sigma Software is a company that values innovation, scalability, and quality.
Job Description
Join Sigma Software as a Senior Frontend Engineer and work on mission-critical systems that power global payment processing. Collaborate with talented engineers, product managers, and designers to deliver exceptional user experiences.
Requirements
- 5+ years of professional software engineering experience with strong focus on frontend development
- Solid experience with React (Next.js is a plus)
- Strong proficiency in TypeScript and JavaScript
- Experience integrating APIs into web applications
- Familiarity with backend concepts and relational databases (Postgres)
- Understanding of responsive design, accessibility, and cross-browser compatibility
- Excellent communication skills and collaborative mindset