Senior Java Developer, AI Focus

Jobtailor; São Paulo; Presencial; BRL 150 000 - 210 000; Tempo integral

Resumo da oferta

Jobtailor in São Paulo, Brazil, seeks an experienced Java backend developer to design, build and maintain scalable applications. You will work on microservices using Spring Boot and hexagonal architecture, integrate with MongoDB, Oracle, RabbitMQ and Kafka, and implement automated testing with JUnit and Mockito.

You will also explore AI tools to assist development, testing, code review, and documentation, while ensuring secure, maintainable code aligned with banking standards.

Qualificações

• Strong experience with Java, Spring Boot, JPA and Spring Batch.
• Experience with microservices and hexagonal architecture.
• Knowledge of MongoDB and Oracle.
• Experience with RabbitMQ or Kafka.
• Proven expertise in unit and integration testing with JUnit and Mockito.
• Experience with GitLab and CI/CD processes.
• Hands-on experience using AI to support software development.
• Knowledge of LLMs, prompt engineering and context engineering.
• Familiarity with RAG, agents, multi-agent systems and guardrails.
• Ability to validate, correct and improve AI-generated outputs.
• Experience in a banking environment.

Responsabilidades

• Develop and maintain Java applications across versions 8, 11 and 17.
• Build microservices using Spring Boot, Spring Batch and hexagonal architecture.
• Develop integrations with MongoDB, Oracle, RabbitMQ and Kafka.
• Implement automated tests using JUnit and Mockito.
• Work on critical issues, technical investigations and troubleshooting.
• Use AI tools in development, testing, code review, documentation and troubleshooting.
• Work with context, prompts, knowledge bases and guardrails to improve the quality of AI-generated responses.
• Critically evaluate code produced or suggested by AI, ensuring security, maintainability and adherence to the bank's standards.
• Contribute to experiments involving LLMs, RAG, agents and automations applied to software engineering.
• Use GitLab and CI/CD pipelines for versioning, integration and continuous delivery.

Conhecimentos

Java

Spring Boot

Spring Batch

JPA

Hexagonal architecture

Unit testing

Integration testing

LLMs

Prompt engineering

Context engineering

RAG

Multi-agent systems

AI in software development

Troubleshooting

Ferramentas

GitLab

CI/CD pipelines

MongoDB

Oracle

RabbitMQ

Kafka

Descrição da oferta de emprego

• Develop and maintain Java applications on versions 8, 11 and 17.
• Build microservices using Spring Boot, Spring Batch and hexagonal architecture.
• Develop integrations with MongoDB, Oracle, RabbitMQ and Kafka.
• Implement automated tests using JUnit and Mockito.
• Work on critical issues, technical investigations and troubleshooting.
• Use AI tools in development, testing, code review, documentation and troubleshooting.
• Work with context, prompts, knowledge bases and guardrails to improve the quality of AI-generated responses.
• Critically evaluate code produced or suggested by AI, ensuring security, maintainability and adherence to the bank's standards.
• Contribute to experiments involving LLMs, RAG, agents and automations applied to software engineering.
• Use GitLab and CI/CD pipelines for versioning, integration and continuous delivery.

Requirements

• Strong experience with Java, Spring Boot, JPA and Spring Batch.
• Experience with microservices and hexagonal architecture.
• Knowledge of MongoDB and Oracle.
• Experience with RabbitMQ or Kafka.
• Proven expertise in unit and integration testing with JUnit and Mockito.
• Experience with GitLab and CI/CD processes.
• Hands-on experience using AI to support software development.
• Knowledge of LLMs, prompt engineering and context engineering.
• Familiarity with RAG, agents, multi-agent systems and guardrails.
• Ability to validate, correct and improve AI-generated outputs.
• Experience in a banking environment.

Core Competencies

Demonstrates expertise in developing and maintaining Java applications, utilizing Spring Boot and microservices architecture, while integrating AI tools to enhance software engineering processes. Proven ability to implement automated testing and ensure code quality in a banking environment.

Highest-signal resume keywords

• Java Development
• Spring Boot
• Microservices Architecture
• Automated Testing with JUnit
• AI Integration in Software Development

ATS Optimization Keywords

Hard Skills

• Java
• Spring Boot
• Spring Batch
• JPA
• JUnit
• Mockito
• MongoDB
• Oracle
• RabbitMQ
• Kafka

Industry Keywords

• Banking Environment
• Hexagonal Architecture
• Microservices
• Technical Investigations
• Troubleshooting

Tools & Technologies

• GitLab
• CI/CD Pipelines
• AI Tools
• LLMs
• RAG
• Context Engineering