our client is looking for a highly skilled Senior Developer with expertise in building reactive systems to join our innovative team. The ideal candidate has extensive experience designing, developing, and deploying scalable, high-performance applications using reactive programming Vert.x. This role involves leading development efforts, mentoring team members, and contributing to the architecture of cutting-edge reactive systems.

Key Responsibilities:

• Architect and implement reactive applications and microservices using Vert.x.
• Develop high-performance, low-latency applications with non-blocking I/O and event-driven paradigms.
• Write clean, efficient, and modular code that adheres to best practices for scalability and maintainability.
• Collaborate on creating RESTful APIs, WebSocket interfaces, and distributed systems.
• Mentor junior developers and elevate team expertise.
• Conduct thorough code reviews to uphold high-quality standards.
• Optimize application performance for scalability and reliability in high-concurrency environments.
• Diagnose and resolve technical issues efficiently.
• Partner with product managers, architects, and DevOps engineers to deliver solutions.
• Maintain clear, comprehensive technical documentation for developed systems.

Required Skills and Qualifications:

• 8–12 years in software development with a focus on scalable, high-performance applications.
• 3+ years of hands-on experience in Vert.x and reactive systems.
• Proficiency in reactive frameworks like Vert.x, Akka, Spring WebFlux.
• Strong programming skills in Java or Kotlin (experience with other JVM-based languages is a plus).
• Expertise in asynchronous programming, event-driven architecture, and non-blocking I/O.
• Hands-on experience with RESTful APIs, WebSocket, and message-driven architectures.
• Solid understanding of software design patterns, distributed systems, and microservices architecture.
• Familiarity with containerization tools (Docker) and orchestration platforms like Kubernetes.
• Proficiency in relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Cassandra).
• Experience deploying and managing applications on AWS, Azure, or GCP.
• Knowledge of CI/CD pipelines and monitoring tools.

Preferred Qualifications:

• Familiarity with additional reactive frameworks such as Akka or Spring WebFlux.
• Knowledge of polyglot programming and multi-language application development.
• Experience with financial transaction processing or solutions for payment networks.
• Contributions to open-source Vert.x projects or related communities.