Software Developer (Legacy Systems & Modernization)

Position Overview

Software Developer (Legacy Systems & Modernization)
Our client is seeking a skilled Software Developer who enjoys bridging the gap between legacy and modern systems. This is a hands-on role maintaining applications written in BASIC, VB 6.0, and COBOL, while also contributing to modernization projects using Python, SQL, and API integration. If you thrive in Linux environments and enjoy solving complex problems across both old and new technologies, we'd love to talk with you.

Key Responsibilities

• Maintain and enhance applications written in BASIC, COBOL, and VB 6.0
• Develop scripts and tools using Python in Linux environments
• Build, consume, and document RESTful and SOAP APIs
• Write and optimize SQL queries across multiple databases
• Manage cron jobs, shell scripts, and automation tools in Linux
• Participate in upgrades, refactoring, and integration projects
• Troubleshoot production issues across legacy and modern systems

Required Qualifications

• Proficiency in BASIC, VB 6.0, QicBasic
• Experience with COBOL (batch and/or transactional)
• Python scripting
• SQL (MySQL, PostgreSQL, MS SQL, or Oracle)
• API integration (REST, JSON, XML)
• Strong working knowledge of Linux OS (Red Hat, CentOS, Debian, etc.)
• Comfortable working in command-line and terminal environments
• Familiarity with legacy systems and modernization best practices

Preferred Qualifications

• Experience migrating or refactoring legacy codebases
• Knowledge of CI/CD pipelines and version control (Git)
• Familiarity with schedulers (cron, Control-M)
• Understanding of secure API authentication (OAuth2, API keys)

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, and Los Angeles County Fair Chance Ordinance. For unincorporated Los Angeles County, to the extent our customers require a background check for certain positions, the Company faces a significant risk to its business operations and business reputation unless a review of criminal history is conducted for those specific job positions.