Senior Java Microservices Developer

Who We Are
We don't have the fame, but we've got the flame. We are a distributed group of specialists within NTT DATA Romania, who make the best out of JVM-based technologies, creativity and business solutions. Referred to as Java Competence Center, we co-create and co-accelerate with key players in any field. Without being limited to any business unit, we demonstrated our deep Java development expertise by delivering SaaS platforms in various domains: Web Applications in e-Commerce, Automotive, Telco, Insurance, Banking and Public sector, even Big Data and scientific applications. Our current emphasis lies on PaaS solutions, with a specific focus on Docker, Kubernetes, Open Shift, AWS, and Cloud Foundry. With the increasing demand for Microservices projects, we have created a reference architecture for our major clients, researched various frameworks, and identified the ones that are highly sought after by the large enterprises we collaborate with.

Our client is looking to increase his current existing team with a senior software engineer but with a slightly different skill set, meaning is going to work on his internal CI/CD toolsets. In this role he will be working on client's in house command line frameworks to deliver CI/CD capabilities across all of systems and software engineering with a user base in the 100s. So, you will be working on general improvements, responding to defect fixes from the user base as well as implementing new roadmap features to support the value and platform teams.

As a Senior Java Microservices Developer, you will be responsible for designing, developing, and maintaining microservices-based applications using Java. Your role will involve working with a diverse tech stack and cloud platforms to deliver robust and scalable solutions. You will collaborate with cross-functional teams to implement best practices in API development, container orchestration, and continuous integration/continuous deployment (CI/CD).

What You'll Be Doing

• Microservices Development: Design, develop, and maintain microservices using Java 11 & 17, Spring Boot, and associated Spring libraries
• Messaging Systems: Implement messaging solutions using Apache Kafka and RabbitMQ
• Containerization: Develop and deploy applications using Docker containers and Kubernetes
• Database Management: Work with Oracle DB and MongoDB for data storage and management
• AWS Integration: Utilize AWS services such as EC2, ALB, IAM, and S3 for application deployment and management
• API Development: Design and implement robust APIs, adhering to architecture and design standards, patterns, and best practices
• Test-Driven Development (TDD): Apply TDD principles using Java unit testing frameworks, including JUnit and mocking concepts
• Build and Deployment: Manage build processes using Gradle and maintain CI/CD pipelines using Jenkins, Groovy, Terraform, Packer, and other containerization technologies
• Security: Ensure API security through strong authentication and authorization mechanisms, including OAuth and other IAM solutions
• Agile Development: Participate actively in agile delivery environments, including sprint planning, stand-ups, and retrospectives
• Code Review: Conduct code reviews and provide constructive feedback to ensure code quality and adherence to best practices
• Documentation: Maintain clear and concise documentation of code, processes, and architectural decisions
• Collaboration: Work closely with product managers, designers, and other developers to deliver high-quality features and enhancements
• Continuous Improvement: Stay current with industry trends and advancements in microservices, Java, and Spring Boot technologies, and incorporate them into development practices

What You'll Bring Along

• At least 5-7 years of experience in a similar position
• Proven experience in working in agile delivery environments
• Relevant industry certifications are a plus
• Proficient in Java 11 & 17, Spring Boot, and associated Spring libraries
• Experience with microservices architecture and development
• Proficiency in messaging systems such as Apache Kafka and RabbitMQ
• Experience with containerization technologies like Docker and Kubernetes
• Strong knowledge of Oracle DB and MongoDB
• Comfortable working with AWS services including EC2, ALB, IAM, and S3
• Expertise in API development and best practices
• Experience with TDD, including Java unit testing frameworks and concepts
• Proficiency with JUnit and Gradle
• Experience with cloud platforms and architectures, including API gateways and CI/CD pipelines
• Knowledge of API security, authentication, and authorization mechanisms (e.g., OAuth, IAM solutions)
• Strong understanding of containers, microservices, and container orchestration
• Expertise in CI/CD concepts and tools such as Jenkins, Groovy, Terraform, and Packer
• Strong problem-solving and analytical skills
• Excellent English communication and teamwork abilities
• Ability to work independently and in a collaborative team environment
• Attention to detail and commitment to delivering high-quality solutions

Nice-to-have Qualifications

• Education: Bachelor's degree in Computer Science, Information Technology, or a related field
• Certifications: AWS certifications or other relevant industry certifications