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Stone

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Software Engineer III – Mobile/Web

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 5,001-10,000Since 2012H1B SponsorCompany SiteLinkedIn

Location

Brazil

Posted

10 days ago

Salary

0

Seniority

Senior

Job Description

Software Engineer III – Mobile/Web

Stone

• Develop and evolve features in our app using Kotlin Multiplatform / Compose Multiplatform (KMP/CMP) as the primary technology • Build and maintain webview initiatives, contributing to web development when hypothesis cycles require that approach • Integrate REST APIs with quality, considering contract design, resilience, and observability from the start • Maintain disciplined contributions in a shared repository (monorepo or unified structure): coding conventions, code review, inline documentation, and CI/CD • Implement automated tests that validate the product end-to-end, not just isolated units • Use observability (logs, metrics, tracing) to monitor application health and drive investigations • Participate in the full delivery cycle: deploys, releases, rollbacks • Actively participate in technical refinement, contributing to solution decisions from early stages • Work collaboratively with cross-functional teams (product, data, backend) • Contribute to the technical growth of more junior team members; work autonomously with open or loosely defined scope—formulating hypotheses and helping to structure solutions

Job Requirements

  • Experience with mobile development (native Android, Flutter, or KMP/CMP — huge bonus if you already have KMP/CMP experience)
  • Familiarity with web development (HTML/CSS/JS, or a framework such as React/Vue) — you don't need to be an expert, but you should be able to get things done
  • Strong experience integrating APIs (REST, authentication, error handling, performance)
  • Basic knowledge of systems architecture: understanding how your app connects with external systems
  • Familiarity with observability tools and a monitoring-oriented culture

Benefits

  • 🩺 Health and Dental Insurance
  • 🏥 Verde Virtual Hospital available 24/7 for fast, convenient care
  • 🥗 Meal and/or Food Allowance
  • 🌴 SESC membership
  • 🕗 Flexible working hours
  • ✏ Education Benefit - Internal platform with access to books, podcasts, training and video lessons for self-development (Studa and StoneCo Library)
  • 💪 Gympass
  • 👶 Childcare assistance — for children up to 5 years and 11 months
  • 💰 Fixed salary + PLR (profit-sharing) when eligibility criteria are met
  • 💚 Life Insurance
  • 🚗 Commuting allowance (available for on-site positions only)

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