Java Architect

About the Company

Tech Lead who can analyze and design Microservices solutions (Rest and event-based) for application integration using the new interoperability layer and who can technically guide the teams that will develop these components, ensuring that the implementation is carried out according to established standards and guidelines.

About the Role

Main Responsibilities of the Role

• Application Analysis: Generation of Functional and Technical User Stories. Identification of Use Cases
• Interoperability Design: Define integration patterns to allow disparate systems (legacy systems, REST APIs, databases) to publish or consume data in Kafka.
• Data Management: Design of the data model, as well as the data transformation and mapping strategy between systems, ensuring semantic interoperability.
• Development of Producers/Consumers: Implement applications (APIs, microservices) that use Java APIs or compatible languages to write and read data from topics.
• Real-Time ETL Implementation: Configure data processing pipelines using Kafka Connect to continuously move information between systems and platforms such as S3, MongoDB, Elasticsearch, etc.
• Gestión del Ecosistema Kafka: Deploy and maintain Kafka clusters, managing Brokers, partitions, and replicas to ensure high availability and fault tolerance.
• Data Transformation: Use Kafka Streams to process, clean, and transform messages as they occur.
• Standards and Protocols: Expert knowledge in service-oriented architectures (SOA), RESTful APIs, SOAP, and standards.
• Security and Governance: Knowledge in security protocols, encryption, and regulatory compliance, data protection.
• Infrastructure and Platforms: Understanding of integration platforms (ESB), data repositories, etc.
• Engagement with business, architecture, legacy systems, and front-end to define services.
• Work together with governance to define event microservices for Interoperability.
• Integration with the Interoperability team for service design and development.
• Documentation of MLD and LLD.
• Lead the development.
• Identification of use cases and scenarios (happy-path and non-happy-path).
• Obtaining NFRs of the services.
• Design of component, context, sequence, activity, deployment, and high-level database entity-relationship diagrams.
• Definition and development of Swaggers.
• Development in: REST and Event Microservices, Java J2EE, Spring, Spring Boot, Hibernate, MongoDB, MongoDB, JavaScript/TypeScript.
• Application Servers: Tomcat, WebLogic, OpenShift.

Qualifications

Necessary Technical Skills

• Apache Kafka Core: Deep knowledge of Kafka architecture (Brokers, Topics, Partitions, Offsets, Producers/Consumers API).
• Kafka Connect: Experience in code-free data integration using predefined connectors (JDBC, MongoDB, S3).
• Kafka Streams/ksqlDB: Capabilities for real-time data stream manipulation and transformation.
• Knowledge of Protocols: Handling of integration protocols (MQTT, JMS).
• Message Structure: Use of efficient serialization formats such as Avro, Protobuf, or JSON.
• Programming Languages: Java or Scala (mainly), supplemented with Python, Go, or .NET.
• Infrastructure: Experience in cloud environments (AWS, Confluent Cloud) and orchestrators such as Kubernetes (OpenShift).
• Platforms/IDEs/Applications: Apache Kafka, Jenkins, SonarQube, Maven, GIT, Jira, IntelliJ, Eclipse, UML, Apache Camel, Oracle.

Leadership Skills

• Communication and Facilitation: Ability to translate technical requirements to business teams and vice versa.
• Change Management: Ability to drive the adoption of new standards and break information silos.
• Strategic Thinking: Ability to align technology with the goals of the organization or sector.