Java Backend Developer

4 weeks ago


Delhi, Delhi, India Xanika Infotech Full time

Designation : Java Backend

Experience : 7+ of work : Mandatory skills : (Java 8, Spring boot, Hibernate, Micro Service, Data Structure, Collection , design Patents, Algorithms, Multithriding, AWS, Kafka, Apache Kafka, Apache Pulsar, RabbitMQ event streaming, distributed caching, building scalable services, concurrent apps experience , Junit)

- Minimum of 5 years of practical software development Description :


- Java using latest version Java 8

- Unit testing experience using JUNIT

- Maven ,GIT and Agile experience

- Unix command

- GIT - Basic commands , create branch , merge branch etc

- Integration testing

- Problem solving skills

- Excellent coding practices and standards

- Good communication and stakeholder management

- Passion for engineering highly available, performant systems

- Creativity and resourcefulness to problem solve independently

- Curiosity and drive to learn new things and build new solutions

- Strong communication, time management, organization, attention to detail

- Experience with writing extensive unit and integration testing using Junit 4+, Cucumber, Mockito, AssertJ, Jest and Cypress


- Strong Java programming skills

- Robust object-oriented design pattern knowledge and implementation experience using Java

- Advanced knowledge and experience developing and working with relational databases such as Sybase and MySQL

- Experience with multi-tier application architecture and high performance distributed and in-memory caching solutions

- Strong understanding of data modeling techniques

- Strong foundation in SDLC best practices including test-driven development, unit testing discipline, agile development, and CI/CD strategies

Event Streaming- Event streaming in Java is a programming concept where data is continuously generated, processed, and consumed as a stream of events in real-time

Skills to look for :

- Apache Kafka, Apache Pulsar, RabbitMQ. Among this, BLK majorly uses Apache.

- Distributed Caching- Distributed caching in Java is a technique to store data in memory across multiple servers or nodes to improve application performance, scalability, and availability. It is commonly used in systems where frequent access to the same data is required, such as web applications, APIs, and microservices.

Skills to look for :

- Apache ignite. Knowledge in data structures- one of these-> Least Recently Used Cache(LRU,Least Frequently sued cache(LFU), Time to Live(TTL)

Concurrent Apps :

- Concurrent applications in Java are designed to execute multiple tasks simultaneously, making efficient use of modern multi-core processors.

Skills to look for : Streams and Parallel Streams, Executor Framework, concurrent collections.

Building Scalable services Skills to look for in resume-Multithreading, JVM Tuning, SOLID principles, Design patterns-(Singleton, Factory, Builder), SQL

- Education : B.E, B. Tech, MCA, MSc (CS) or equivalent

- Working knowledge of building and deploying distributed systems a plus

- Experience with cloud technologies (e.g. Kubernetes, Docker, OpenStack) a plus (ref:hirist.tech)

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