Software Engineer (C / Java) – Legacy Systems & Modernization

Yoh, A Day & Zimmermann Company is seeking a Software Engineer to support legacy applications and contribute to a migration towards a modern Java-based solution. The role involves development, maintenance, and troubleshooting of existing systems while collaborating with senior engineers.

Responsibilities:

• Assist with development, maintenance, and support of a legacy application written in C under the guidance of senior engineers
• Analyze and troubleshoot issues in the existing system, including defect fixes and small enhancements
• Learn and work with a c-tree–based data structure, including how data is stored and accessed
• Contribute to the application modernization effort by implementing assigned components in the Java-based system
• Support Oracle database work including SQL queries, validation, and basic troubleshooting
• Participate in code reviews, testing, and documentation
• Collaborate with team members to understand legacy system behavior and ensure correct functionality in the new platform
• Follow established development standards, processes, and best practices

Requirements:

• 2–8 years of basic to intermediate experience with C or C++ (academic or professional)
• Working knowledge of Java fundamentals
• Familiarity with SQL and relational database concepts (Oracle preferred)
• Understanding of version control, debugging, and testing practices
• Willingness to learn legacy systems and unfamiliar technologies
• Strong problem-solving skills and attention to detail
• Exposure to legacy or embedded systems
• Academic or project experience with database-backed applications
• Familiarity with Linux/Unix environments
• Interest in system modernization and technology migration projects