Java Software Engineer with Calypso 100% remote

Java Software Engineer with Calypso 100% remote at Grupo Data in Brazil.

Responsibilities

• Design and implement prioritized backend functionalities, following software engineering best practices.
• Provide scalable, flexible and resilient solutions aligned with modern architectural principles.
• Apply and defend architectural patterns like event-driven microservices.
• Participate in technical discussions and contribute to the evolution of the product's technical architecture.
• Provide technical input during product discussions to support architecture-related decisions.
• Integrate internal and external services using RESTful APIs, asynchronous messaging, and event hubs.
• Ensure consistent functional and technical validations throughout the entire development cycle.

Requirements

4+ years of backend development experience with Java (8–11)

Calypso platform experience

• Experience in developing and deploying microservices in public cloud environments (preferably AWS).
• Solid knowledge of relational databases (e.g.: MySQL, PostgreSQL) and non-relational (e.g.: DynamoDB, MongoDB).
• Experience with messaging and event streaming systems (e.g. Kafka, RabbitMQ, SQS, SNS)
• Familiarity with microservices architecture, including containerization (Docker) and orchestration (Kubernetes).
• Familiarity with observability best practices (structured logging, metrics, health checks) using tools such as DataDog.
• Experience with testing practices: unit testing (JUnit), integration testing and contract testing (Postman/Newman)
• Experience with CI/CD pipelines using tools such as Jenkins or similar.
• Understanding of software engineering principles and clean code practices (Design Patterns, SOLID, Clean Code, 12-Factor Application)
• Experience in financial market environments
• Experience with serverless services (e.g. AWS Lambda)
• Experience in multicloud environments (Azure, GCP)
• Strong planning and organization skills, with the ability to manage priorities and multiple tasks.
• Good communication and interpersonal skills to discuss problems and solutions clearly.
• Strong analytical skills and logical reasoning.
• Proactive mindset with strong problem-solving skills and sense of responsibility.
• Good to have
• English level B1+