GFT Technologies

Senior Developer – Java, Kotlin, AWS

GFT Technologies

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇧🇷 Brazil

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Job Level

Senior

Tech Stack

AWSCloudDockerEC2GrafanaJavaJenkinsJUnitKafkaKotlinKubernetesMavenMockitoPrometheusRabbitMQSpringSpring BootSpringBootTerraform

About the role

  • Develop and maintain efficient, secure, and scalable backend systems with a focus on quality and performance;
  • Design resilient solutions adhering to architectural best practices such as microservices and hexagonal architecture;
  • Build APIs and microservices using Kotlin, Java, and Spring Boot;
  • Work with continuous integration and continuous delivery (CI/CD) and infrastructure-as-code in cloud environments (primarily AWS);
  • Ensure code quality through automated tests (TDD, JUnit, Mockito, TestContainers) and technical reviews;
  • Contribute to the definition and evolution of system architecture, messaging patterns (Kafka, RabbitMQ) and event-driven solutions (EDA, CQRS, Sagas);
  • Monitor application performance, availability, and security with a focus on observability;
  • Lead technical initiatives, mentor less experienced developers, and collaborate with multidisciplinary teams (product, QA, design).

Requirements

  • Strong experience with Kotlin (Ktor, Exposed, Koin) and Java 8;
  • Proficient with Spring Boot and Spring Cloud (Eureka, Config, Zuul, Hystrix);
  • Experience with microservices architecture and modern back-end development patterns;
  • Practical knowledge of AWS (EC2, S3, RDS, Lambda, ECS, API Gateway) and tools like Terraform or CloudFormation;
  • Hands-on experience with automated testing (JUnit, Mockito, TestContainers) and agile methodologies;
  • Knowledge of Docker and Kubernetes, version control with Git, and build/automation tools such as Maven and Jenkins;
  • Experience with CI/CD, automated pipelines, and DevOps practices;
  • Familiarity with observability and production monitoring (Grafana, Prometheus, ELK Stack or similar);
  • Experience with hexagonal architecture, application security, and cloud access control (IAM, VPC, etc.);
  • Experience with BFF patterns and Event Sourcing.
Benefits
  • Multi-benefit card – choose how and where to use it.
  • Scholarships for undergraduate, graduate, MBA, and language courses.
  • Certification incentive programs.
  • Flexible working hours.
  • Competitive salaries.
  • Annual performance review with a structured career plan.
  • Opportunity for international career growth.
  • Wellhub and TotalPass.
  • Private pension plan.
  • Childcare allowance.
  • Health insurance.
  • Dental insurance.
  • Life insurance.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
KotlinJavaSpring BootMicroservicesAWSAutomated TestingDockerKubernetesCI/CDEvent Sourcing
Soft skills
LeadershipMentoringCollaboration
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