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Junior Java Microservices Developer Jobs in California

SmartIT Frame

Java Architect with AI

Irvine, CA · On-site

$67.50 - $91.25/hr

Technical Depth: * Deep expertise in Java Full-Stack architecture, microservices design, and ... AI & Engineering Methodology: * Hands-on familiarity or strong conceptual mastery of integrating ...

Techworkers

... have) Java Microservices/BE services Must have experience building BackEnd service to scale ... EC2, Lambda, API Gateway (to name a few) Excellent knowledge of system engineering, load testing ...

Techworkers

JavaScript Engineer

Los Angeles, CA · On-site

... Java Microservices/BE services • Must have experience building BackEnd service to scale. • ... EC2, Lambda, API Gateway (to name a few) • Excellent knowledge of system engineering, load ...

Login Consulting Services Inc.

Java Developer

Pasadena, CA · On-site

$55.75 - $72/hr

Microservices Architecture: Familiarity with microservices architecture and best practices. * Batch ... Certifications * Java SE Programmer: Certification to demonstrate advanced skills in Java ...

Login Consulting Services, Inc.

Java Developer

Pasadena, CA

$55.75 - $72/hr

Microservices Architecture: Familiarity with microservices architecture and best practices. Batch ... Certifications Java SE Programmer: Certification to demonstrate advanced skills in Java programming.

Login Consulting Services, Inc.

Java Developer

Pasadena, CA · On-site

$55.75 - $72/hr

Microservices Architecture: Familiarity with microservices architecture and best practices. Batch ... Certifications Java SE Programmer: Certification to demonstrate advanced skills in Java programming.

Login Consulting Services, Inc.

Java Developer

Pasadena, CA · On-site

$55.75 - $72/hr

Microservices Architecture: Familiarity with microservices architecture and best practices. * Batch ... Certifications * Java SE Programmer: Certification to demonstrate advanced skills in Java ...

Compunnel

Java Developer

Pasadena, CA · On-site

$55.75 - $72/hr

JOB SUMMARY Java Developer Requirements, Duties, Eligibility, and Certifications Key ... Microservices Development: Design and develop microservices-based applications. Batch Processing:

Jobsbridge

Fullstack Lead Developer

San Jose, CA

Senior/ Lead Developer should have experience mentoring junior Java Spring Web Services and Hibernate Spring version 4 JavaScript ANGULAR JS 2.0 Any JS Library (Prefer angular or knockout), bootstrap ...

CONFIDENTIAL

Be Seen First

HYBRID - Java Developer

Pasadena, CA · On-site

$60 - $75/hr

Familiarity with microservices architecture and best practices. · Batch Processing: Understanding ... Certifications · Java SE Programmer: Certification to demonstrate advanced skills in Java ...

Savvyan Technologies

Java Lead

California City, CA · On-site

Strong experience with Java, Spring Boot, Microservices, and REST APIs . * Experience leading development teams and mentoring junior developers. * Strong knowledge of SQL and relational databases.

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Junior Java Microservices Developer jobs near you
Infographic showing various Junior Java Microservices Developer job openings in California as of July 2026, with employment types broken down into 84% Full Time, 5% Part Time, 2% Temporary, and 9% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution.

Java Architect with AI

SmartIT Frame

Irvine, CA • On-site

$67.50 - $91.25/hr

Other

Posted 26 days ago

Job description

 
Role : Java Architect
Location : Irvine, CA Hybrid
Type -Contract 
Summary: 
Lead the technical modernization of a core Investment Accounting Platform from legacy COBOL/Sybase to a cutting-edge Java/Photon architecture. This role is highly execution-oriented, anchoring multiple distributed agile PODs. You will define the migration strategy, establish the automation frameworks for an as-is code translation, and orchestrate advanced Agentic AI engineering tools (such as Devin and Blitzy) to accelerate the delivery lifecycle while ensuring strict functional parity.
Required Skills & Experience
  • Experience: 15+ years of IT experience, with a proven track record of leading technical architecture for large-scale legacy core platform transformations (COBOL to Java migrations preferred).
  • Domain Expertise: Strong foundational knowledge in Capital Markets or Financial Services (Direct Investment Accounting platform experience is highly advantageous).
  • Technical Depth: * Deep expertise in Java Full-Stack architecture, microservices design, and building high-throughput transactional APIs.
    • Strong capability to read, interpret, and deconstruct COBOL logic and Sybase relational databases/stored procedures.
  • AI & Engineering Methodology: * Hands-on familiarity or strong conceptual mastery of integrating autonomous AI coding agents (Devin, Blitzy) or advanced AI developer environments into the enterprise SDLC.
    • Familiarity with Specification-Driven Development methodologies to align legacy specs with AI outputs.
  • Team Dynamics: Proven experience steering large-scale projects using a heavily leveraged global delivery model.
Key Responsibilities
  • Migration Strategy & Governance: Define the blueprints, data mapping, and pattern-matching strategies to migrate millions of lines of COBOL and Sybase stored procedures to Java microservices with zero business logic deviation.
  • AI-Assisted SDLC Orchestration: Establish and optimize the development pipeline to leverage autonomous AI software engineering agents (Devin, Blitzy) for automated code generation, refactoring, and unit testing.
  • Target Architecture Design: Design a high-performance, scalable target Java architecture leveraging modern API/Microservices and Photon patterns tailored for high-volume financial transactions.
  • Functional Parity Verification: Define automated testing and dual-run validation frameworks to cross-check legacy system outputs against the new Java platform, guaranteeing 100% data and logic alignment.
  • Technical Leadership & Pod Governance: Serve as the onsite technical anchor for 5 global delivery PODs (80:20 offshore/onsite model), conducting architecture reviews and unblocking technical dependencies between legacy logic and modern code.
 

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