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CI&T

Mid-Level / Senior Android Developer

CI&T

. Develop and implement responsive, high-performance, and accessible interfaces using Kotlin .

Posted 10/16/2026full-timeBrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in developing and maintaining native Android libraries using Kotlin, with a strong focus on performance, usability, and scalability. Proficient in integrating RESTful APIs and applying software engineering best practices, including automated testing and agile methodologies.

Highest-signal resume keywords
Kotlin DevelopmentNative Android LibrariesRESTful API IntegrationUnit And Integration TestingAgile Methodologies

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Applicant Tracking System Keywords

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Hard Skills
KotlinAndroid DevelopmentUnit TestingIntegration TestingAlgorithmsData StructuresCode Versioning (Git)Clean Code PrinciplesDesign PatternsKotlin Multiplatform (KMP)
Soft Skills
Problem SolvingCollaboration
Tools & Technologies
CI/CD ToolsAutomated Testing ToolsRESTful APIs
Industry Keywords
AgileScrumKanbanVideo Streaming TechnologiesAdvertising Libraries

Tech Stack

Tools & technologies
AndroidKotlin

About the role

Key responsibilities & impact
  • Develop and implement responsive, high-performance, and accessible interfaces using Kotlin
  • Develop and maintain native Android libraries with a focus on performance, usability, and scalability
  • Participate in front-end and back-end integration, ensuring the efficient consumption of APIs and other services
  • Collaborate with Design, Product Owner, and Back-End teams to align on and plan project deliveries
  • Contribute to code reviews and the adoption of development best practices
  • Ensure that code is clean, organized, scalable, and easy to maintain
  • Ensure code quality through automated testing and sound development practices
  • Work with automation and continuous integration (CI/CD) tools to optimize the development workflow
  • Work with metrics to ensure the continuous and sustainable evolution of projects
  • CI&T helps large companies transform the potential of AI into real business impact through AI Deployment, AI-native execution, and enterprise solutions integrated with technology

Requirements

What you’ll need
  • Strong experience developing native Android libraries in Kotlin
  • Experience using internal and external libraries
  • Experience with unit and integration testing
  • Familiarity with design patterns, clean code principles, and software engineering best practices
  • Knowledge of algorithms and data structures
  • Ability to solve medium- to high-complexity technical problems
  • Knowledge of code versioning tools, such as Git
  • Experience integrating RESTful APIs
  • Experience working with agile methodologies, such as Scrum or Kanban
  • Experience developing multimedia (audio/video) libraries and/or applications — a plus
  • Experience developing libraries and/or applications for Android TV — a plus
  • Knowledge of video streaming technologies, such as HLS, DASH, DRM, and codecs — a plus
  • Experience using advertising libraries, such as IMA — a plus
  • Experience developing libraries with Kotlin Multiplatform (KMP) — a plus

Benefits

Comp & perks
  • Health and dental insurance
  • Meal and food allowance
  • Childcare assistance
  • Extended parental leave
  • Partnerships with gyms and health and wellness professionals through Wellhub (Gympass) and TotalPass
  • Profit Sharing and Results Sharing (PLR)
  • Life insurance
  • Continuous learning platform (CI&T University)
  • Discount club
  • Free online platform dedicated to promoting physical and mental health and well-being
  • Pregnancy and responsible parenting course
  • Partnerships with online learning platforms
  • Language-learning platform
  • Support and accommodations for people with disabilities throughout the selection process
  • Dedicated Health and Wellness team
  • Inclusion specialists and affinity groups