Webknot Technologies
Website:
webknot.in
Job details:
About the Role
We are looking for a technically strong Java Developer Intern with a solid foundation in Java and backend development. The intern will work on real-world applications involving Java, Spring Boot, REST APIs, Microservices, databases, messaging systems, and cloud technologies.The ideal candidate should have strong programming fundamentals, good problem-solving ability, and hands-on academic or personal project experience.
Key Responsibilities
- Develop backend applications using Java and Spring Boot.
- Build and consume RESTful APIs.
- Work with microservices and backend application architecture.
- Write SQL queries and work with PostgreSQL or similar databases.
- Gain exposure to Kafka, RabbitMQ, or Google Pub/Sub.
- Implement validation, exception handling, logging, and error management.
- Apply OOP principles, Java collections, multithreading, and design patterns.
- Write unit and integration tests using JUnit and Mockito.
- Debug application issues and improve application performance.
- Use Git and Maven and gain exposure to CI/CD.
- Work with Docker, Kubernetes, and cloud platforms.
- Participate in code reviews, technical discussions, and Agile development activities.
- Required SkillsStrong knowledge of Core Java / Java 8+.
- Good understanding of:
- OOP and Design Patterns
- Collections
- Exception Handling
- Multithreading
- Streams and Lambda Expressions
- Understanding of Spring Boot fundamentals.
- Understanding of REST APIs and HTTP methods.
- Basic understanding of Microservices.
- Good SQL and database fundamentals.
- Familiarity with PostgreSQL or similar databases.
- Knowledge of Git and Maven.
- Exposure to JUnit and Mockito.
- Strong analytical and debugging skills.
- Preferred SkillsHands-on Java/Spring Boot projects.
- Exposure to Kafka, RabbitMQ, or Google Pub/Sub.
- Understanding of event-driven architecture.
- Exposure to Redis or NoSQL databases.
- Basic knowledge of Docker, Kubernetes, or CI/CD.
- Exposure to AWS, GCP, or Azure.
- Familiarity with Spring Security, JWT, authentication, and authorization.
- Exposure to gRPC, Quarkus, CQRS, or distributed systems.
- Technical EvaluationCandidates may be evaluated on:Core Java and OOP
- Collections, Streams, and Multithreading
- SQL and database concepts
- Spring Boot and REST APIs
- Basic Microservices concepts
- Debugging and problem-solving
- Practical Java coding
- Basic system/backend design
- Core Technical StackProgramming: Java 8+, OOP, Collections, Multithreading, StreamsFrameworks: Spring Boot, Spring FrameworkArchitecture: Microservices, Event-Driven ArchitectureAPI: REST, gRPCMessaging: Kafka, RabbitMQ, Google Pub/SubDatabases: PostgreSQL, SQL, NoSQLDevOps: Docker, Kubernetes, Maven, Git, CI/CDTesting: JUnit, MockitoCloud: AWS / GCP / AzureQualificationsPursuing or completed a Bachelor's/Master's degree in Computer Science, Engineering, or a related field.
- Strong programming and Java fundamentals.
- Demonstrated interest through academic, personal, or open-source projects.
- Strong analytical, debugging, and problem-solving skills.
- Good communication and collaboration skills.
What We Are Looking For
We want candidates with strong Core Java fundamentals and genuine hands-on interest, rather than candidates who have only followed tutorials.The ideal candidate should be able to write clean Java code, understand how backend applications work, work confidently with databases, debug problems independently, and quickly learn new technologies.
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