Senior Java Developer

We are seeking a skilled Java Developer with hands-on experience in Java and Spark to build scalable data processing solutions. You'll contribute to high-performance data pipelines and analytics platforms in a dynamic Agile environment.

Key Responsibilities

• Design and develop Java applications integrated with Apache Spark for ETL processes, data transformations, and analytics.
• Build and optimize Spark jobs (Spark SQL, DataFrames, Streaming) for large-scale data processing.
• Collaborate with data engineers and analysts to implement robust data workflows.
• Write clean, maintainable Java code following best practices (Spring Boot, Microservices preferred).
• Perform code reviews, unit testing, and contribute to CI/CD pipelines.
• Troubleshoot and optimize Spark performance for production workloads.
• Document technical solutions and mentor junior developers.

Required Skills & Qualifications

• 4-7 years of hands-on Java development experience.
• Strong expertise in Apache Spark (Spark Core, Spark SQL, PySpark basics).
• Proficiency in Java 8/11+ with multithreading and collections frameworks.
• Experience with data processing (ETL, data pipelines, big data).
• Familiarity with build tools (Maven/Gradle) and version control (Git).
• Strong problem-solving skills and Bangalore location availability.
• Excellent communication skills for cross-team collaboration.

Good to Have

• Experience with Snowflake for cloud data warehousing.
• Knowledge of DBT (Data Build Tool) for analytics engineering.
• Python scripting for data manipulation and automation.
• Exposure to AWS/GCP/Azure cloud platforms.
• Familiarity with Kafka, Airflow, or containerization (Docker/Kubernetes).

Required Skill Set

Software Engineer/Senior Software Engineer/Lead Engineer-Java

• Experience in Core Java 8.0 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux
• Possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS
• Good knowledge of multi-threading and high volume server side development
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

Responsibilities

• Understand product requirements and come up with solution approaches
• Build and enhance large scale domain centric applications
• Deploy high quality deliverables into production adhering to the security, compliance and SDLC guideline.

• Good design skills and exposure to multiple software architectures.
• Strong understanding of OO/ knowledge of frameworks such as Spring/ Spring Boot/ design and good software development practices.
• Strong core server-side technologies experience (Java). 
• Knowledge of Android is a huge plus.
• Strong database skills including schema design.
• Strong knowhow of data-structures and algorithms.
• Experience with configuration management, testing, deployment.
• Hands on development across technologies.

Job Description:

Good knowledge of python & Java. The order of need should be

1. Builds (TeamCity/Jenkins, Urban Code Deploy, ANT/Maven)
2. Python scripting
3. JAVA
4. Linux/Unix

And candidate should possess knowledge on the below :

• JIRA or other
• Agile (Scrum/Kanban, etc.)
• Bit bucket/GIT/SVN/Artifactory
• Linux/Unix
• Jenkins/Team City – ANT/Maven
• Usage & setup of IDE’s

Requirement :

• Good knowledge of Java and Spring F/W (Spring Boot, Spring Security, Spring ORM, Spring Rest, Spring Cloud)
• Good knowledge of relational database design and query via both SQL and ORM (hibernate, spring data)
• Good knowledge of ElasticSearch or other document-oriented database
• Good knowledge of Microservice architecture, including REST API design
• Good knowledge of asynchronous data pipelines using Kafka or AWS SNS/SQS or similar modern messaging framework
• Good knowledge of AWS or other public cloud environment
• Hands-on experience with Redis Cache, Memcache or Ehcache
• Good knowledge of domain-driven design is a huge plus
• Web services & API standards (REST/OAuth/JSON)

Working as a “Backend Developer” at Bonzai gives you the opportunity to work on maintaining and improving the platform.

• Work on the entire product lifecycle starting from design to deployment and monitoring.
• Explore new technologies such as Kotlin, patterns such as Domain-Driven Design and other cool stuff such as Gitlab CI/CD pipelines, Docker, ECS, Golang, Python, Terraform, distributed tracing and even Haskell.
• Ensure top-notch performance in terms of product and feature experience.

• 2 - 3 yrs of experience in Java, Spring Boot, Hibernate, Rest API, and MySQL.
• Good to have experience/knowledge of other programming languages such as Kotlin or Python, other DBs such as Redshift, platforms such as AWS and architectural patterns such as https://martinfowler.com/bliki/DomainDrivenDesign.html">Domain-Driven Design (DDD) and https://en.wikipedia.org/wiki/Hexagonal_architecture_(software)">Hexagonal architecture.
• Good understanding of Object-oriented concepts, Functional programming and Design Patterns.
• Exceptional communication skills and ability to articulate complex ideas in written, spoken and visual language
• Bachelor in engineering preferably from a leading institute across the globe.