Senior Java Software Engineer

Avenue Code; São Paulo; Presencial; BRL 80.000 - 120.000; Tempo integral

Resumo da oferta

Avenue Code seeks a Software Engineer to join an international project focused on optimizing logistics processes. This role involves enhancing a mission-critical application and working with microservices architecture. Candidates should have strong Java and Spring experience, and the position requires onsite work in São Paulo or Belo Horizonte.

Qualificações

• Strong experience with Java and Spring Framework.
• Hands-on experience with MyBatis or iBatis.
• Solid background in mission-critical systems.

Responsabilidades

• Develop and enhance the JESSI application using Spring Framework.
• Support transition from monolithic architecture to microservices.
• Collaborate with integration teams for external system communication.

Conhecimentos

Java

Spring Framework

Microservices

Integration

Kafka

IBM MQ

Ferramentas

MyBatis

MongoDB

PostgreSQL

Docker

Kubernetes

Descrição da oferta de emprego

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About Avenue Code

Avenue Code is a leading software consultancy focused on delivering end-to-end development solutions for digital transformation across various verticals. Privately held and consistently profitable, we have been growing steadily since inception. We are passionate about building long-lasting relationships with our clients, teams, and partners, and pride ourselves on our collaborative, human-centric approach to solving complex challenges.

For over a decade, Avenue Code has actively embraced diversity and inclusion, promoting plurality through intentional hiring, representation, and professional support initiatives. We are committed to creating an equitable, inclusive, and respectful environment for all.

What You'll Do

We are seeking a Software Engineer experienced in mission-critical systems to join an international project focused on automating and optimizing logistics and fulfillment processes. You will contribute to evolving a legacy core system – JESSI – used to manage the full shipment flow for international orders, from warehouse arrival to trailer dispatch. This system integrates with measurement devices, third-party vendors, and WMS platforms, providing real-time instructions to warehouse employees. It's an excellent opportunity for professionals eager to work in a highly technical environment involving monolith decomposition, microservices architecture, and real-time systems integration via messaging platforms such as Kafka and IBM MQ.

Responsibilities:

• Develop, maintain, and enhance the mission-critical JESSI application, built using Spring Framework (not Spring Boot) and MyBatis/iBatis.
• Support the transition from a monolithic architecture to reusable microservices.
• Collaborate with integration teams to ensure seamless communication with external systems like WMS, Rate Selection, and Yardhouse Management.
• Improve the user interface used to provide operational guidance on large warehouse display screens.
• Ensure data flows accurately between automated measurement systems, the core application, and the end-user display.
• Manage the end-to-end labeling and carrier routing process, including data sent to shipping systems and end-of-day manifests.
• Participate in technical decisions and contribute ideas for improving scalability, performance, and resilience.

Required Qualifications:

• Availability to work onsite two days per week in São Paulo or Belo Horizonte.
• Strong experience with Java and Spring Framework.
• Hands-on experience with MyBatis or iBatis.
• Solid background working with mission-critical systems and complex integration environments.
• Familiarity with messaging systems such as IBM MQ and/or Apache Kafka.
• Ability to work with and modernize legacy codebases.

Nice to Have Skills:

• Experience with MongoDB, Hibernate, AspectJ, JPA, and PostgreSQL.
• Familiarity with Spring MVC, Spring Cloud, Spring Data, and JHipster.
• Exposure to Gradle, Docker, Rancher, and Kubernetes.
• Knowledge of Neo4j and MySQL.

Seniority Level

• Mid-Senior Level

Employment Type

• Full-time

Job Function

• Information Technology

Industries

• IT Services and IT Consulting

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