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Cartão Elo

Mid-level Full Stack Software Engineer

Cartão Elo

Full Stack Software Engineer responsible for developing and maintaining web applications at Elo, a leading payment technology company in Brazil. Engaging in CI/CD practices and containerized environments.

Posted 7/22/2026full-timeBarueri • 🇧🇷 BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in developing full-stack applications using React and Java/Spring Boot, with a strong focus on cloud deployments, CI/CD practices, and observability tools. Proficient in writing clean, testable code and ensuring compliance with security and regulatory requirements in the payments ecosystem.

Highest-signal resume keywords
React Application DevelopmentJava 21/Spring Boot Backend DevelopmentKubernetes ContainerizationCI/CD PracticesObservability Tools (Datadog/OpenTelemetry)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Frontend Frameworks (React, Angular, Vue)Java/Spring BootTypeScript/JavaScriptHTML/CSSMicrofrontend PatternsAutomated TestingClean Code PracticesVersion Control (Git)AI Tools in DevelopmentPayments Ecosystem Compliance
Soft Skills
CollaborationCode Review ParticipationRequirement Refinement
Tools & Technologies
KubernetesAzureAWSCI/CD PipelinesDatadogOpenTelemetry
Industry Keywords
LGPD CompliancePayments EcosystemBackend-for-Frontend (BFF) Architectures

Tech Stack

Tools & technologies
AngularAWSAzureJavaJavaScriptKubernetesNode.jsReactSpringSpring BootSpringBootTypeScriptVue.js

About the role

Key responsibilities & impact
  • Develop and maintain full-stack applications: frontend in React (microfrontends) and backend in Java 21 (Spring Boot) / Node.
  • Work in containerized environments (Kubernetes), with cloud deployments (Azure/AWS) and CI/CD practices.
  • Ensure observability of services (logs, metrics and traces) using Datadog/OpenTelemetry, contributing to the squad's monitoring excellence standards.
  • Collaborate on requirement refinement, estimations and solution design.
  • Implement responsive, accessible and high-performance interfaces, aligned with the design system and user experience.
  • Write clean, testable code across both layers, with unit, integration and end-to-end test coverage.
  • Actively participate in code reviews, backlog refinements and solution design sessions.
  • Adopt AI-assisted workflows throughout the development cycle, contributing to the team's AI-native maturity.
  • Move fluidly between frontend and backend, maintaining architectural quality and consistency in both layers.
  • Comply with security and regulatory requirements (including LGPD) within the payments ecosystem.

Requirements

What you’ll need
  • Strong experience with at least one modern frontend framework (React, Angular, or Vue) and backend experience with Java/Spring Boot.
  • Knowledge of TypeScript/JavaScript, HTML/CSS and microfrontend patterns.
  • Familiarity with Kubernetes, cloud platforms (Azure or AWS), CI/CD pipelines and observability tools.
  • Good practices in automated testing, clean code and version control (Git).
  • Nice-to-have: experience with payments, Backend-for-Frontend (BFF) architectures and using AI tools in development.

Benefits

Comp & perks
  • Profit Sharing Program (PPR)
  • Health insurance (Bradesco - Co-payment)
  • Optional dental insurance (Bradesco)
  • Life insurance (Banco do Brasil)
  • Optional private pension (can contribute up to 7.8% of salary; Elo contribution between 100% and 200% according to plan rules)
  • Meal/food allowance of R$1,800.00
  • Flexible balance of R$150.00 to use as credit
  • Holiday/Christmas card R$850.00
  • Home office allowance of R$200.00 for hybrid model and R$300.00 for remote model
  • Mobility allowance of R$400.00
  • Free parking
  • Childcare assistance for parents
  • Culture allowance (benefit to be used for theater, cinema or bookstores)
  • Extended parental leave (for same-sex couples, fathers, adoptive parents, etc.)
  • Birthday day off
  • Well-being platform focused on mental and nutritional health
  • WellHub and TotalPass (network of gyms and studios for sports activities)