Senior Java Full-Stack Developer: Modernization Lead

Droisys

Oakland (CA)

On-site

USD 90,000 - 120,000

Full time

14 days+
Application generator

An application made for this job — a tailored resume and cover letter that speak straight to the posting.

Get past ATS filters

Job summary

Droisys is seeking a backend developer for a migration project from Java 7.8 to Java 8 or newer, located in Oakland, California. The role involves analyzing and modernizing legacy Java applications, leading migration initiatives, refactoring code, and developing robust backend services. Required skills include strong experience in Core Java, Spring, REST APIs, and legacy application migration. This position offers the opportunity to work with various teams to ensure high coding standards and application performance.

Qualifications

  • Strong hands-on experience in Core Java / Java 8.
  • Experience with Spring / Spring Boot.
  • Strong understanding of REST APIs / Microservices.
  • Experience with JBoss / WildFly application servers.
  • Hands-on experience in legacy application migration / modernization.

Responsibilities

  • Analyze, maintain, and modernize legacy Java enterprise applications.
  • Lead migration initiatives, including application server upgrades and Java version modernization.
  • Refactor legacy code to improve performance, scalability, maintainability, and security.
  • Troubleshoot production issues and optimize application performance.

Skills

Core Java / Java 8
Spring / Spring Boot
REST APIs
JBoss / WildFly
Legacy application migration
SQL / Database experience
Debugging

Job description

Droisys is seeking a backend developer for a migration project from Java 7.8 to Java 8 or newer, located in Oakland, California. The role involves analyzing and modernizing legacy Java applications, leading migration initiatives, refactoring code, and developing robust backend services. Required skills include strong experience in Core Java, Spring, REST APIs, and legacy application migration. This position offers the opportunity to work with various teams to ensure high coding standards and application performance.
Get your free, confidential resume review.

or drag and drop your file here.

Similar jobs

Similar jobs worth comparing

Sr. Java Full Stack Developer
Sr. Java Full Stack Developer

Droisys • Oakland (CA)

On-site
USD 90,000 - 120,000
Lead Java Developer
Lead Java Developer

Droisys • Oakland (CA)

On-site
USD 100,000 - 130,000
Senior Java Engineer - System Modernization
Senior Java Engineer - System Modernization

INT Technologies • New York (NY)

On-site
USD 140,000 - 170,000
Senior Java/J2EE Lead — Spring, REST & Modernization
Senior Java/J2EE Lead — Spring, REST & Modernization

Jobsbridge • San Ramon (CA)

On-site
USD 100,000 - 130,000
Senior Java Developer – Frontend/Backend, 1-Year Contract
Senior Java Developer – Frontend/Backend, 1-Year Contract

Droisys • Alpharetta (GA)

On-site
USD 90,000 - 115,000
Senior Java Backend Lead — Spring & Oracle PL/SQL (Onsite Oakland)
Senior Java Backend Lead — Spring & Oracle PL/SQL (Onsite Oakland)

Droisys • Oakland (CA)

On-site
USD 100,000 - 130,000
Java Developer
Java Developer

Compunnel, Inc. • Des Moines (IA)

On-site
USD 80,000 - 110,000
Java Upgrade Engineer: Modernize Enterprise Apps
Java Upgrade Engineer: Modernize Enterprise Apps

Compunnel, Inc. • Des Moines (IA)

On-site
USD 80,000 - 110,000
Senior Java/J2EE Developer: Modernize Legacy Apps
Senior Java/J2EE Developer: Modernize Legacy Apps

IDEALFORCE LLC • Dallas (TX)

On-site
USD 90,000 - 120,000
Senior Java Backend Engineer — Platform Modernization
Senior Java Backend Engineer — Platform Modernization

Compunnel, Inc. • Westlake (OH)

On-site
USD 90,000 - 120,000