Senior Mainframe Developer – IMS Database & zOS

MainframeMaster; San Antonio, Northern (TX, KY); Hybrid; USD 90,000 - 120,000; Full time

Job summary

MainframeMaster is seeking a seasoned software engineer to design, develop, test, and optimize complex technical solutions across multiple technologies. This role supports in-office work four days per week and can be based in San Antonio, TX or Plano, TX.

You will mentor peers, lead reviews, resolve production issues, and contribute to architecture decisions while rotating on-call duties roughly every 5-6 weeks. Relocation assistance is not available for this position.

Responsibilities

• Design, develop, code, and test complex solutions across many technologies; integrate existing systems and tools.
• Lead code/design reviews and communicate updates to stakeholders to ensure smooth operations and accurate planning.
• Develop complex algorithms to solve business needs.
• Investigate and resolve complex application and system problems and production issues.
• Mentor engineers, review teammates' code, and coach on design and maintenance.
• Influence domain architecture and quality standards across the solution.
• Identify and optimize system performance and technical debt.

Job description

We offer a flexible work environment that requires an individual to be in the office 4 days per week. This position can be based in one of the following locations: San Antonio, TX or Plano, TX. Relocation assistance is not available for this position.

NOTE: This job requires an on‑call rotation for incidents and escalations one week every 5-6 weeks.

What you'll do:

• Design, develop, code, and test complex tactical as well as strategic technical solutions across many technologies, including emerging technologies, to integrate existing systems and tools, collaborating with Engineers or Architects within their team/department and occasionally outside of their domain.
• Lead code/design reviews and communicates updates to stakeholders with team to ensure smooth daily operations and accurate planning.
• Develop complex algorithms to solve business needs.
• Investigates and resolves complex application and system technical problems and production issues by directing troubleshooting of end-to-end solutions.
• Mentor engineers, coach engineers on design, development, and maintenance of systems; review teammates' code.
• Influence and help shape the future of the domain's architecture and quality standards and understand, identify, measure across entire solution.
• Identify system performance issues, to include technical debt, and optimize solution.