Java SE

Expertise in Java & Jakarta EE:

• Expert level proficiency in Java SE (minimum Java SE 11, preferred Java SE 17/21)
• Deep knowledge of Jakarta EE specifications, including JPA (EclipseLink), CDI, EJB, JAX-RS and Annotation Processing (Jakarta EE 10).
• Experience with Jakarta EE containers (WebSphere Liberty or similar).

Cloud Platforms:

• Hands-on experience with cloud providers like AWS, Azure, or Google Cloud.
• Understanding of cloud-native development practices, including containers (Docker, Kubernetes) and serverless architectures.

Asynchronous Programming:

• Proficiency in asynchronous programming paradigms using technologies like JMS, Kafka, or RabbitMQ.
• Familiarity with patterns to deal with asynchronous complexity like SAGA, command-response-pattern or inbox / outbox.

Domain-Driven Design (DDD):

• Experience designing and implementing solutions following DDD principles.
• Strong understanding of strategic and tactical DDD, including bounded
• contexts, aggregates, entities, and repositories.
• Ability to translate principles like hexagonal architecture into practical software design.

Distributed Systems:

• Knowledge of distributed system patterns like eventual consistency.
• Experience designing systems for high availability, scalability, and resilience in a cloud environment.

APIs and Microservices:

• Proficiency in designing and developing RESTful APIs.
• Knowledge of microservices architecture like self-contained systems and tools like Quarkus or MicroProfile.

Databases:

• Strong experience with relational databases (PostgreSQL).
• Deep understanding of central data modeling, transaction handling and concurrency control concepts.
• Knowledge of data storage best practices in distributed and asynchronous systems.

Software Development Ecosystem:

• Hands-on experience of industry standard dev tools like source code management (Git), CI/CD (Jenkins, ArgoCD) and runtime tools (Docker / Podman).

Architecture & Design

Solution Architecture

• Ability to define and oversee the systems architecture in line with the principles of DDD and cloud-based infrastructure.
• Experience in creating high-level and low-level designs, addressing scalability, maintainability, and performance.

Event-Driven Architecture:

• Experience designing and building event-driven architectures, ensuring decoupling of services and efficient message passing.

Security:

• Knowledge of security best practices and vulnerability prevention strategies in cloud environments.

Team Leadership

Mentorship:

• Ability to mentor junior and mid-level developers, guiding them through complex design and implementation challenges.
• Foster a culture of continuous learning and improvement within the development team.

Collaboration:

• Strong collaboration with other teams (DevOps, QA, Product Management) to ensure alignment on technical and business goals.
• Experience working in agile development environments (Scrum/Kanban).
• Problem-Solving & Innovation

Complex Problem-Solving:

• Ability to identify and solve complex technical problems, especially in areas related to system concurrency, data consistency, and distributed processing.

Technical Innovation:

• Stay updated with the latest advancements in Jakarta EE, DDD, and cloud technologies, promoting their adoption when appropriate.

Strong track record of driving innovation and introducing best practices