Remote SR Java Fullstack Engineer

Job Description

A financial company in the Cincinnati, OH area is seeking Senior Fullstack Java Engineers to help support major migration and modernization efforts in response to a recent acquisition. This opportunity will be a contract role to 9/30 and can sit remotely (EST).

• Work within a large, legacy codebase to maintain, refactor, and modernize existing components.
• Develop and enhance Java/Spring Boot services that interact with DB2 and Oracle databases.
• Support integration efforts tied to the acquisition, including processing inbound files through Python applications and ensuring accurate data movement into downstream Java services.
• Build, update, and validate SOAP/XML contracts, ensuring compatibility and integrity between legacy systems and modernized service layers.
• Design and maintain message-based integrations using MQ and/or Kafka, including schema mapping, message transformation, and flow validation between Python and Java layers.
• Implement and troubleshoot translation logic across systems to ensure complete alignment of data structures and service expectations.
• Investigate, diagnose, and resolve issues across legacy and modern components using tools like Splunk or Dynatrace.
• Collaborate in a virtual squad environment—participating in stand‑ups, backlog refinement, architecture discussions, and cross‑functional troubleshooting.
• Operate effectively in an environment with evolving requirements, independently identifying gaps and proposing solutions.
• Ensure code quality, maintainability, and performance across legacy services and new modernization efforts.

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  To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy:

• 5-8+ years of experience of fullstack Java development (v 8+) within spring boot frameworks
• Front end Angular and/or java script
• Kafka - eventing, asynchronous communication, etc.
• API & microservice development
• Strong SQL and/or Oracle and DB2
• Payments/ ACH/ wire or RTP
• Clear to pay (FIS application)
• J2EE with SOAP components
• AWS deployment and containerization using Docker/Kubernetes
• Python
• Application Performance Monitoring / Logging software (Dynatrace /Splunk)