Invillia
Invillia
5,001 – 10,000 Employees
ConsultingLogisticsMarketing
Invillia is a technology company founded in 2003 that develops custom software solutions for businesses. Its work includes tailored applications designed to address operational challenges, improve efficiency, and support digital transformation. Invillia serves organizations across consulting, logistics, and marketing.

Senior Kotlin Backend Developer (Remote, Brazil)

Senior Kotlin backend developer building APIs, integrations, and distributed architectures. Contribute to artificial intelligence solutions for a global technology company.

Description

  • Build and maintain backend applications with Kotlin
  • Implement business rules based on defined requirements and solution specifications
  • Design APIs and integrations with external systems and data sources
  • Apply Domain-Driven Design, Clean Architecture, and Hexagonal Architecture principles
  • Structure solutions using the Ports and Adapters model
  • Maintain code quality through automated testing and software engineering best practices
  • Create and maintain tests with JUnit, Testcontainers, and class-based testing methods
  • Help evolve relational and non-relational databases
  • Help define scalable, resilient architectures for distributed environments
  • Support artificial intelligence initiatives, including business logic implementation
  • Perform prompt engineering when project needs require it
  • Evaluate the quality and consistency of annotated datasets
  • Identify improvements that address customer and end-user needs
  • Deliver code that meets security, quality, and maintainability standards

Requirements

  • Strong professional experience developing backend systems with Kotlin
  • Advanced understanding of Domain-Driven Design
  • Practical experience with Test-Driven Development
  • Working knowledge of Clean Architecture
  • Experience with Hexagonal Architecture and the Ports and Adapters pattern
  • Experience working with Kubernetes
  • Experience using relational and non-relational databases
  • Understanding of the use cases, strengths, and limitations of different database models
  • Experience with PostgreSQL
  • Experience with DynamoDB
  • Knowledge of automated testing with JUnit and Testcontainers
  • Experience integrating systems and APIs
  • Understanding of best practices for code quality, security, and maintainability
  • Experience building scalable, distributed solutions
  • Knowledge of applying software development to artificial intelligence solutions
  • Experience with Generative AI projects is a plus
  • Experience with prompt engineering is a plus
  • Experience evaluating and preparing data for AI models is a plus
  • Knowledge of event-driven architectures and microservices is a plus
  • Experience with cloud environments is a plus

Benefits

  • Applicants with disabilities are also encouraged to apply
  • Remote work

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