Sr. Java Developer

Post Date

Jun 19, 2026

Location

Kent,
Washington

ZIP/Postal Code

98032
US
Aug 29, 2026 Insight Global

Job Type

Contract

Category

Programmer / Developer

Req #

DEN-40945303-504c-4f0b-9348-4c56fcc65b3b

Pay Rate

$66 - $82 (hourly estimate)

Job Description

A client of Insight Global is seeking a Senior Java Developer to support the modernization of a critical enterprise messaging platform. This application supports both internal and external users and processes sensitive, export-controlled data, requiring a highly experienced and detail-oriented engineer.
This role will focus on addressing technical debt within a heavily legacy Java environment, modernizing core components while maintaining system stability. The ideal candidate will have deep experience working with enterprise Java applications built on older technology stacks and have successfully led or contributed to large-scale modernization efforts.
You will partner closely with a Technical Architect and play a key role in upgrading the application’s underlying technologies, improving performance, and ensuring long-term sustainability.

Pay Range fall from $60-$67/hr

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Required Skills & Experience

8+ years of enterprise Java development experience
Strong experience working in legacy environments (Java 8 or earlier)
Hands-on experience modernizing or upgrading Java applications
Strong experience with Spring Framework (enterprise web applications)
Experience working within MVC architecture, JSP/Servlet-based applications
Experience with SQL-heavy applications and modernizing to ORM tools (Hibernate/JPA)
Strong understanding of SDLC practices, including:

Agile methodologies
Git/version control
Deployments and release management


Ability to work independently and lead technical modernization efforts

Nice to Have Skills & Experience

Experience with LDAP or directory services modernization
Experience re-architecting legacy services into microservice-based solutions
Exposure to messaging systems or data processing (ETL pipelines)
Experience in regulated or secure environments

Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.