Senior Java Back-End Developer - Supertech Limited

Job Overview

We are looking for an experienced Senior Java Back-End Developer with expertise in the Spring Framework, Docker, and Kafka to help build and maintain our distributed, high-availability backend systems. The ideal candidate should have a strong understanding of microservices architecture and be comfortable with both the development and deployment of cloud-native and on-premise applications.

Key Responsibilities

• Back-End Development: Design, develop, and maintain high-performance and scalable Java-based applications and backend services using Spring Framework.
• Microservices Architecture: Develop and maintain microservices-based applications, ensuring high availability, scalability, and fault tolerance.
• Docker & Containerization: Work with Docker to containerize applications, ensuring smooth deployment and scalability in cloud environments.
• Messaging & Event-Driven Architecture: Integrate Apache Kafka for building real-time data pipelines and event-driven architectures to handle large volumes of data.
• API Development: Develop and expose RESTful APIs for front-end consumption and integrate with third-party systems.
• Code Quality & Best Practices: Ensure high code quality through test-driven development (TDD), code reviews, and following best practices in coding standards, security, and performance optimization.
• Collaboration: Collaborate with cross-functional teams (DevOps, front-end, QA, and project managers) to ensure seamless development and deployment.
• Performance Optimization: Identify bottlenecks and optimize the performance of the backend services for high throughput and low latency.
• Deployment & CI/CD: Help implement and manage CI/CD pipelines, ensuring smooth integration, testing, and deployment of applications.
• Mentorship: Provide technical leadership and mentoring to junior developers, ensuring they follow best practices in Java development and microservices architecture.

Required Skills or Experience

Skills and Qualifications

• Proven Experience: Minimum of 6 years of experience as a Java back-end developer, with a focus on developing enterprise-scale, high-performance applications.
• Spring Framework Expertise: Strong experience with Spring Boot, Spring Cloud, Spring Security, and other Spring-related technologies.
• Containerization & Docker: Hands-on experience with Docker to containerize applications and deploy them in cloud environments.
• Kafka Integration: Experience with Apache Kafka for building real-time, event-driven architectures and managing message-driven applications.
• Microservices Architecture: Strong experience in designing and implementing microservices, including integration with databases, APIs, and external systems.
• Database Experience: Experience with relational databases like MySQL, PostgreSQL, MS-SQL, Oracle and NoSQL databases such as MongoDB, Cassandra, or Redis.
• API Development: Solid understanding of RESTful API design and development.
• Version Control: Experience with version control systems, especially Git.
• Agile Methodology: Experience working in Agile/Scrum teams with continuous delivery and iterative development.
• Testing Frameworks: Experience with unit testing frameworks like JUnit, Mockito, and integration testing tools.

Preferred Qualifications

• Cloud Platforms: Experience with cloud platforms like AWS, Azure, or Google Cloud.
• CI/CD Tools: Familiarity with Jenkins, GitLab CI for automating the deployment pipeline.
• Other Messaging Systems: Knowledge of other messaging and event streaming systems such as RabbitMQ or Apache Pulsar.
• Distributed Systems Knowledge: Understanding of distributed systems, CAP theorem, eventual consistency, and other fundamental concepts.
• Containers & Orchestration: Experience with Kubernetes for container orchestration and management.

Personal Attributes

• Problem Solving: Strong analytical and problem-solving skills to tackle complex backend challenges.
• Leadership: Able to mentor junior developers, lead development teams, and ensure smooth execution of backend projects.
• Collaboration: Strong communication and collaboration skills to work effectively with cross-functional teams.
• Self-motivated: Ability to work independently, manage your time effectively, and be proactive in solving issues.
• Adaptability: Willingness to adapt to changing technologies and business needs.

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