Sr. Full Stack Developer

Post Date

Oct 16, 2025

Location

Newark,
New Jersey

ZIP/Postal Code

07102
US
Feb 03, 2026 Insight Global

Job Type

Contract,Perm Possible

Category

Programmer / Developer

Req #

NNJ-ea6d4724-e750-4d52-b62f-d8a20aa7fbc0

Pay Rate

$52 - $65 (hourly estimate)

Job Description

• Lead migration from legacy Java systems to modern frameworks (e.g., SpringBoot)
• Develop and optimize enterprise-scale applications across old and new Java stacks
• Collaborate with cross-functional teams to deliver high-quality software
• Integrate AI-assisted development tools, especially Claude
Mentor junior developers and ensure code quality, security, and performance

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

• Deep expertise in Java frameworks (EJB, SpringBoot), legacy servers (Websphere), and modern platforms (AWS ECS, Kubernetes)
• Proven experience in Java modernization and architecture conversion
• Strong API development (REST, SOAP, JSON, XML), SOA patterns, and database integration (JDBC, MySQL)
• Proficiency in automated testing, DevSecOps, and secure coding practices
• Familiarity with Claude AI for coding support
• Skilled in DevOps tools (GitHub, Jenkins, Bitbucket) and SDLC monitoring/logging
• Strong problem-solving and debugging abilities
• Able to work independently and collaboratively

Benefit packages for this role will start on the 31st 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.