COBOL Developer, Mid-level

Minsait

Mainframe Developer responsible for developing, maintaining and integrating services for Minsait. Working collaboratively in critical environments to ensure smooth operations and automate tasks.

Posted 6/8/2026full-timeSão Paulo • 🇧🇷 BrazilMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

GrafanaSplunk

About the role

Key responsibilities & impact

Work on development, maintenance and integration of services in a Mainframe environment.
Monitor and operate batch workflows using Control-M.
Analyze, handle and resolve incidents, ensuring rapid service restoration.
Perform targeted fixes and corrective maintenance on COBOL programs.
Automate operational tasks using APIs, scripts and integrations with DevOps tools.
Create and maintain workflows using Control-M Self Service and Automation API.
Analyze ABENDs, logs, dependencies between JOBs and failures in batch processing.
Correlate metrics between Mainframe environments and distributed systems.
Participate in deployment, sustainment and production support processes.
Log incidents, actions taken and evidence, ensuring traceability of activities.
Collaborate with development, business, infrastructure and operations teams.
Support monitoring and observability initiatives using modern tools.

Requirements

What you’ll need

Experience in Mainframe environments.
Experience with Control-M, Self Service and Automation API.
Knowledge of COBOL for corrective maintenance and program adjustments.
Experience in banking and financial environments.
Knowledge of banking processes and regulations (BACEN, SPB), and credit and lending operations.
Experience with automation via command line, REST APIs or DevOps tools.
Knowledge of observability using Dynatrace, Splunk, ELK or Grafana.
Ability to analyze and diagnose ABENDs, logs and failures in batch processes.
Knowledge of system integration and operational monitoring.
Experience with agile methodologies and working in critical environments.

Benefits

Comp & perks

Company-subsidized Health Plan for the employee.
Option to include dependents in the Health Plan with payroll deduction.
Dental Assistance (optional).
Option to include dependents in the Dental Assistance Plan with payroll deduction.
Meal or Food Voucher.
Transportation Voucher (optional).
Impact & Care - Personal Guidance Program offering confidential emotional support and counseling in psychological, legal, financial, social and pet-related areas at no cost for the employee and legal dependents.
Gympass - Wellhub (Access to more than 700 gyms across Brazil with plans starting at R$29.90 deducted from payroll).
Option to include dependents in Gympass - Wellhub (up to 3 dependents - paid via credit card).
Access to Udemy through our intranet.
Partnerships with major consumer brands.
SESC agreement for employee and dependents.
Discounts with educational institutions (undergraduate and postgraduate) and language/certification schools.
Group life insurance.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

MainframeControl-MCOBOLAPIsscriptsDevOps toolsABEND analysisbatch processingautomationsystem integration

Soft Skills

incident resolutioncollaborationmonitoringobservabilitytraceabilityanalysisdiagnosiscommunicationproblem-solvingadaptability