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SSSigma Software logo

Sigma Software

São Paulo, br

Senior/Principal Frontend Engineer.

FULL TIMEREMOTESTAFF LEVELENGINEERING
  • Develop and maintain scalable, high-performance frontend applications using React and Next.js
  • Collaborate with Product, Design, and Backend teams to deliver seamless and user-friendly experiences
  • Integrate APIs and backend services into frontend applications
  • Participate in architecture discussions, sprint planning, code reviews, and technical decision-making
  • Ensure responsive design, accessibility, and cross-browser compatibility
  • Contribute to continuous improvement of engineering processes, frontend standards, and product quality
  • Work closely with backend engineers to ensure smooth end-to-end functionality
  • Support performance optimization and frontend scalability initiatives
  • 5+ years of professional software engineering experience with strong focus on frontend development
  • Solid commercial experience with React
  • Experience with Next.js or similar modern frontend frameworks
  • Strong proficiency in TypeScript and JavaScript
  • Experience integrating APIs into web applications
  • Understanding of backend concepts and relational databases such as Postgres
  • Knowledge of responsive design, accessibility, and cross-browser compatibility principles
  • Strong communication and collaboration skills
  • Ability to work independently in distributed teams
  • Upper-Intermediate English level or higher

WILL BE A PLUS

  • Experience with Vue or Angular
  • Knowledge of Node.js or NestJS
  • Experience with frontend performance optimization and build tools
  • Experience building AI-powered user experiences
  • Experience integrating AI/LLM services into frontend applications
  • Familiarity with OpenAI, Anthropic, AI SDKs, or prompt-based applications

 

     

    PERSONAL PROFILE

    • Product-oriented mindset
    • Proactive communication style
    • Attention to UI/UX quality
    • Strong ownership and accountability
    • Ability to work in collaborative cross-functional teams

     

     

    Pay
    Not stated
    Where
    São Paulo, br
    Work
    Remote
    Type
    Full time
    Posted
    22 Oct, 2026
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