Senior Java Software Engineer
Kelly Services • San Francisco, CA • Posted June 13, 2026
About the Role
$75 - $90
**Senior Software Engineer – Java / AWS (Contract)**
**Location:** San Francisco, CA (Hybrid)
**Employment Type:** Contract
A large U.S.-based financial technology organization is seeking a Senior Software Engineer to help build and support cloud-based backend services used at national scale. This role focuses on Java, Spring Boot, RESTful APIs, and AWS within a distributed, high-availability environment.
This is a hands-on role for an experienced engineer who enjoys owning features from design through production. The team works on systems where reliability, performance, and security are critical, and contractors are treated as core contributors who collaborate closely with product, QA, and architecture partners.
Required Skills & Experience
+ 5+ years of professional software development experience
+ Strong Java development experience
+ Hands-on experience with Spring Boot and RESTful APIs
+ Experience working in AWS or cloud-based envir...
**Senior Software Engineer – Java / AWS (Contract)**
**Location:** San Francisco, CA (Hybrid)
**Employment Type:** Contract
A large U.S.-based financial technology organization is seeking a Senior Software Engineer to help build and support cloud-based backend services used at national scale. This role focuses on Java, Spring Boot, RESTful APIs, and AWS within a distributed, high-availability environment.
This is a hands-on role for an experienced engineer who enjoys owning features from design through production. The team works on systems where reliability, performance, and security are critical, and contractors are treated as core contributors who collaborate closely with product, QA, and architecture partners.
Required Skills & Experience
+ 5+ years of professional software development experience
+ Strong Java development experience
+ Hands-on experience with Spring Boot and RESTful APIs
+ Experience working in AWS or cloud-based envir...