Senior Java Developer (Vert.x)

At DVT, a leading global custom software development and data engineering company, we are seeking passionate Java developers to join our innovative and collaborative team! This is an opportunity to work alongside some of the most skilled professionals in the industry, leveraging cutting-edge technologies and best practices to deliver world-class solutions.

At DVT, you’ll be part of a culture that fosters continuous learning and growth. We support your professional development with comprehensive training programs and sponsor various industry events like DevConf and GDG. Join us and push the boundaries of what’s possible, while taking your career to new heights!

Role and Responsibilities:

• Develop robust, scalable backend systems using Java (11–17+), with a strong focus on Vert.x and reactive programming paradigms.

  • Using Spring Boot, AWS managed Kubernetes (AWS Kubernetes Service) and Helm Charts, and microservice architectures.

• Design and manage APIs using OpenAPI (YAML), SOAP, REST, and GraphQL.

• Integrate seamlessly with front-end technologies such as ReactJS, VueJS, Angular, and TypeScript.

• Implement event-driven and microservices-based architectures, including serverless functions where appropriate.

• Build scalable data solutions using JPA, Hibernate, MongoDB, NoSQL, and RDBMS (AWS/Azure).

• Drive CI/CD pipeline implementation, performance tuning, and system monitoring using industry-standard tools.

• Champion clean code practices and Agile methodologies across development teams.

Technical Knowledge

• Core Java & Frameworks: Proficient in Oracle/OpenJDK, Jakarta EE, MicroProfile, Micronaut, and the Spring ecosystem (Core, MVC, Boot, Data, Streams, Cloud, Security).

• Reactive Programming: Deep experience with Vert.x and building non-blocking, asynchronous systems.

• API Development: Skilled in designing and managing APIs using OpenAPI, REST, and GraphQL.

• Backend Technologies: Experience with Apache Kafka, JMS, JTA, AMQP, and enterprise web services.

• Architecture Patterns: Strong grasp of event-driven, microservices, and monolithic architectures; familiarity with serverless (FaaS) models.

• Data Solutions: Expertise in JPA, Hibernate, MongoDB, NoSQL, and cloud/on-prem RDBMS.

• Cloud & Containerisation: Proficient in AWS, Docker, and AWS managed Kubernetes (AWS Kubernetes Service) and Helm Charts

  for scalable deployments.

• Testing & Automation: Hands-on with JUnit, Mockito, and Cucumber for test automation.

• Source Control & CI/CD: Experienced with GitHub, Bitbucket, GitLab, and CI/CD best practices.

Required Experience:

• 10+ years of professional experience in Java development (Java 11–17+).

• 4+ years of experience with Spring Boot.

• 2+ years of hands-on experience with cloud platforms (AWS, GCP, Azure).

• Proven expertise in Vert.x and reactive programming (non-negotiable).

• Strong understanding of CI/CD, performance tuning, and monitoring tools.

• Demonstrated success working in Agile teams and promoting clean coding standards.

If you're passionate about leveraging the latest technologies to build innovative solutions, we want to hear from you! Apply now and take your career to new heights with our dynamic team.

Meet Jake: DVT Global Practice Head Java Solutions

Who we are: