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Flash

Corporate expense management via prepaid card

Senior Software Engineer

Full-Stack EngineeringConfirmed live in the last 24 hours
Full-timeRemote in BrazilRemote

About the Job

Requirements

  • Demonstrate deep knowledge of data structures, algorithms, object-oriented and functional programming, design patterns, microservices architecture, and technical trade-off decisions.
  • Have practical experience and daily proficiency using AI coding agents, such as Codex, to optimize software development.
  • Have experience supporting production systems and creating and interpreting metrics, alerts, and service-level indicators and objectives (SLIs/SLOs).
  • Communicate effectively, collaborate with others, and actively mentor and help develop the team.
  • Connect technical decisions to customer impact and business results.

Responsibilities

  • Participate in business and product discussions, helping transform human resources and finance challenges into effective technical solutions.
  • Design and evolve scalable, performant, and resilient systems using software architecture practices such as Clean Architecture, event-driven architecture, and domain-driven design.
  • Use AI coding agents, such as Codex and Claude Code, to prototype, code, refactor, and accelerate delivery while maintaining high quality.
  • Own the full software lifecycle, from conception and deployment through production monitoring and observability, with support from the site reliability engineering team.
  • Guide mid-level and junior developers through code reviews, pair programming, constructive feedback, and sharing best practices.
  • Propose and test new approaches, technologies, and patterns.
  • Collaborate with engineering peers, product, and design, supporting continuous learning and celebrating achievements.

Desired Qualifications

  • Practical experience with Node.js, TypeScript, React, NestJS, MongoDB, and relational databases.
  • Experience in product-oriented organizations accustomed to rapid learning cycles, testing, and user-impact metrics.
  • Previous experience in electronic payments, payment systems, or financial solutions.
  • Familiarity with cloud ecosystems such as AWS, Google Cloud Platform, or Azure, continuous integration and delivery pipelines, and containerization.

About the Company

Flash

Corporate expense management via prepaid card

Flash is a Brazilian platform that provides a multi-benefit prepaid corporate card and expense-management solution. It centralizes meal, food, mobility, and cultural allowances in one system, giving employees autonomy over corporate expenses while cutting back on administrative workload for employers. The platform works through a prepaid corporate card connected to a unified interface for managing expenses, with a simple recharge flow and spending controls that can be adjusted to team needs. Revenue comes from fees for using the platform and the corporate cards. Flash differentiates itself by offering an integrated, interactive platform that consolidates multiple employee benefits into a single solution, emphasizing practicality, flexibility, and bureaucracy reduction for Brazilian companies of all sizes. The company’s goal is to simplify and scale corporate expense management and benefits in Brazil, improving employee empowerment and operational efficiency for its clients.

Company size
1,001-5,000
Company stage
Late Stage VC
Total funding
$157.6M
Headquarters
São Paulo, Brazil
Founded
2019

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