Java Developer

Role: Sr. Java Developer with Python

Location: Pasadena, CA (3 Days/Week)—Only Locals.

Job Type: Contract

Client: ADP

Exp Level: 10 to 15 Years

Job Description:

Experience level: Senior level, 10 years of experience in Java Development with Python

Job Summary

We are seeking a skilled Java Developer with Python experience to design, develop, and maintain scalable backend systems and data-driven applications. The ideal candidate will have strong expertise in Java-based enterprise development along with hands-on experience in Python for automation, APIs, or data processing tasks.

Key Responsibilities

• Design, develop, and maintain high-performance backend applications using Java (Spring Boot / Microservices).
• Develop RESTful APIs and integrate third-party services.
• Write efficient, reusable, and scalable code in both Java and Python.
• Develop automation scripts and backend utilities using Python.
• Work with relational and NoSQL databases (MySQL, PostgreSQL, MongoDB).
• Implement unit testing and participate in code reviews.
• Collaborate with frontend, DevOps, and QA teams.
• Optimize application performance and troubleshoot production issues.
• Participate in Agile/Scrum ceremonies and sprint planning.

Required Skills

• Core Technical Skills
• Strong proficiency in Java (8/11/17).
• Experience with Spring Boot, Spring MVC, Hibernate/JPA.
• Good knowledge of Python (Django/Flask/Fast API preferred).
• Experience in REST API development.
• Strong understanding of OOP concepts and design patterns.
• Experience with SQL and database design.
• Knowledge of Git version control.

Good to Have

• Experience with cloud platforms (AWS/Azure/GCP).
• Docker & Kubernetes knowledge.
• CI/CD pipeline experience.
• Messaging systems (Kafka/RabbitMQ).
• Basic understanding of frontend technologies (React/Angular).