Java Developer

Compunnel Inc.; Pasadena (CA); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Azure DevOps optional

Job summary

Compunnel Inc. is seeking an experienced Java Developer in Pasadena, CA to design, build, and maintain robust software. You will implement microservices, batch processing, and RESTful APIs using Spring Boot, with a strong focus on clean code and scalable architectures.

You will collaborate with cross-functional teams, participate in Agile ceremonies, and navigate Waterfall projects when needed. A Bachelor’s degree in CS/IT and 5–10 years in Java are preferred.

Qualifications

• Proficiency in Java with modern features and clean, null-safe code.
• Deep Spring Boot experience for RESTful APIs and microservices.
• Experience with Spring Web, Spring Data JPA, and custom queries.
• Familiarity with microservices architecture and batch processing.
• Strong Agile experience; understanding of Waterfall contexts.
• Git, Gradle, and common IDEs (Eclipse/IntelliJ/VS Code).
• SQL and NoSQL databases; unit/integration testing and TDD.
• Excellent communication and problem-solving abilities.
• Bachelor's degree in CS/IT or related field; 5–10 years in Java.

Responsibilities

• Develop and maintain high-quality Java code.
• Apply object-oriented design to scalable software.
• Design and develop microservices-based apps.
• Develop and manage batch processing systems.
• Actively participate in Agile ceremonies.
• Contribute to Waterfall projects when required.
• Perform code reviews and provide feedback.
• Document code, processes, and procedures.
• Collaborate with cross-functional teams to deliver solutions.
• Stay updated with industry trends to improve practices.

Skills

Java

Spring Boot

Microservices

Batch processing

Agile

Waterfall

Object-oriented design

Git

Gradle

IDE experience (Eclipse/IntelliJ/VS  C

GitHub Copilot / LLMs

SQL & NoSQL

Testing / TDD

Communication skills

Problem-solving

Team player

Education

Bachelor's degree in Computer Science, Information Technology, or related field

Tools

Git

Gradle

Eclipse/IntelliJ/VS Code

GitHub Copilot

Claude or other LLMs

Job description

JOB SUMMARY

Java Developer Requirements, Duties, Eligibility, and Certifications

Key Responsibilities

• Develop and Maintain Software: Write, debug, and maintain high-quality Java code.
• Implement Object-Oriented Designs: Apply object-oriented design principles to build scalable and maintainable software.
• Microservices Development: Design and develop microservices-based applications.
• Batch Processing: Develop and manage batch processing systems.
• Agile Participation: Actively participate in Agile ceremonies such as daily stand-ups, sprint planning, and retrospectives.
• Waterfall Projects: Contribute to projects following the Waterfall methodology as required.
• Code Reviews: Perform code reviews and provide constructive feedback to peers.
• Documentation: Document code, processes, and procedures for future reference and maintenance.
• Collaboration: Collaborate with cross-functional teams to deliver high-quality software solutions.
• Continuous Improvement: Stay updated with the latest industry trends and technologies to continuously improve development practices.

Required Qualifications

• Proficiency in Java: Strong knowledge of the Java programming language, with hands-on experience in core Java 8–17+ features including lambda expressions, stream API, Optional API etc. for writing cleaner, null-safe code.
• Deep experience with Spring Boot for building RESTful APIs, microservices, and enterprise applications including DI, AOP, and Bean lifecycle management.
• Hands-on experience with Spring Web, Spring Data JPA, and writing custom queries.
• Microservices Architecture: Familiarity with microservices architecture and best practices.
• Batch Processing: Understanding and experience with batch processing frameworks and tools.
• Agile Methodology: Experience working in Agile development environments.
• Waterfall Methodology: Understanding of Waterfall methodology and its application in software development.
• Build and Deploy environment: Proficiency with Git and Gradle.
• Development Environment: Expertise on Eclipse/IntelliJ/VS Code.
• Strong experience with GitHub Copilot using Claude or other LLMs.
• Database Knowledge: Familiarity with SQL and NoSQL databases.
• Testing: Experience with unit testing, integration testing, and test-driven development (TDD).
• Communication Skills: Strong verbal and written communication skills.
• Problem-Solving Skills: Excellent analytical and problem-solving abilities.
• Educational Background: Bachelor's degree in Computer Science, Information Technology, or a related field.
• Experience: Minimum of 5-10 years of professional experience in Java development, with significant experience in Spring framework.
• Technical Skills: Proven experience with object-oriented coding practices, microservices, batch processing, Agile, and Waterfall methodologies.
• Problem-Solving Ability: Demonstrated ability to solve complex technical problems.
• Team Player: Ability to work effectively in a team environment.

Preferred Qualifications

• Azure DevOps optional.

Certifications

• Java SE Programmer: Certification to demonstrate advanced skills in Java programming.
• Certified Scrum Developer (CSD): Certification to validate knowledge and skills in Agile development practices is optional
• Certified Kubernetes Application Developer (CKAD): Certification to showcase proficiency in developing cloud-native applications using Kubernetes (optional)
• Spring Professional Certification: Certification to validate expertise in Spring framework and related technologies.
• Any AI development-related certification.