Katalyst CRO

Java Developer

2 months ago

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Key Responsibilities

Design, develop, and maintain scalable and high-performance backend services using Java.
Strong Spring Framework (version 4 or above) skills (Spring Boot, JPA, Batch, Restful Services)
Good understanding of Hibernate/JPA and Object-relational mapping, including performance consideration.
Build and optimize RESTful APIs to handle large-scale data processing for the business directory platform.
Collaborate closely with frontend developers to integrate APIs, troubleshoot, and enhance system functionality.
Develop solutions to handle web scraping and data ingestion pipelines, integrating AI/ML models for structuring unstructured data.
Ensure robust, secure, and maintainable backend code with proper version control and documentation.
Optimize data storage strategies using PostgreSQL/MongoDB to support dynamic data queries and large datasets.
Implement automated testing, logging, error handling, and performance monitoring strategies.
Participate in code reviews and technical design discussions to maintain clean and scalable code architecture.

Required Skills:

Strong expertise in Java 8+ and backend frameworks like Spring Boot, Spring Data, and Spring Security.
Experience with building microservices and API security techniques (JWT/OAuth).
Proficiency in databases such as PostgreSQL, MongoDB, and caching mechanisms (Redis).
Exposure to web scraping techniques and integrating machine learning pipelines is a plus.
Familiarity with data processing tools such as Kafka or RabbitMQ is an advantage.
Hands-on experience with containerization using Docker; knowledge of Kubernetes is preferred.
Proficient in CI/CD tools like Jenkins, GitHub Actions, or GitLab CI/CD.
Knowledge of automated testing frameworks like JUnit and MockMVC.
Strong analytical, problem-solving, and debugging skills.
Excellent communication and teamwork abilities.