Sigma Software Group

Principal Full-Stack Engineer, Frontend Focus

Sigma Software Group

full-time

Posted on:

Location Type: Remote

Location: Brazil

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Job Level

Lead

Tech Stack

GraphQLJavaScriptNode.jsPythonReactSQLTypeScript

About the role

  • Serve as the primary technical lead for dashboard development
  • Design and architect the next-generation dashboard platform
  • Lead post-mortems and coach team members on conducting thorough root cause analyses
  • Partner closely with Product and Research teams to align features with business needs
  • Profile, debug, optimize, and strengthen the security of web applications
  • Contribute to an agile development process and create clear documentation
  • Mentor junior engineers and support their professional growth
  • Collaborate with a high-caliber engineering team focused on learning, experimentation, and technical excellence
  • Foster a high-performance engineering culture emphasizing efficiency, collaboration, and quality

Requirements

  • 8+ years of relevant experience as a Full-Stack Developer
  • Proven experience building modern web applications with React, GraphQL, TypeScript, and Node.js
  • Experience creating reporting dashboards and working with data tools such as SQL, Looker, dbt, and Python
  • Strong frontend engineering expertise with deep understanding of UI architecture and common design pitfalls
  • Commitment to correctness, performance, and delivering clean, high-quality solutions
  • Ability to independently own large features from technical design to production deployment
  • Experience mentoring teammates through code reviews, design discussions, and hands-on support
  • Problem-solving mindset with curiosity and rigor, using experimentation to find innovative solutions
  • Familiarity with AI-assisted development tools for productivity and quality improvement
  • Upper-Intermediate English level
Benefits
  • remote work flexibility
  • professional growth opportunities
  • chance to work on international projects with a talented, collaborative team
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Full-Stack DevelopmentReactGraphQLTypeScriptNode.jsSQLLookerdbtPythonUI Architecture
Soft Skills
MentoringProblem-solvingCollaborationCoachingTechnical LeadershipCuriosityRigorEfficiencyCommunicationProfessional Growth