Remote Mainframe Modernization Engineer

BairesDev; United States; Remote; USD 100,000 - 150,000; Full time

Benefits offered by this job

100% remote

USD or local currency compensation

Hardware & software setup for home

Flexible hours

Paid parental leaves & holidays

Global Top 1% talent environment

Mentorship & growth opportunities

Job summary

BairesDev is seeking a Legacy Systems Developer to maintain and modernize COBOL applications on IBM mainframes. You will ensure stability of core business logic while driving modernization, all within a 100% remote role. Excellent compensation in USD or local currency, plus home setup and flexible hours.

Join a global team and collaborate on migration projects toward modern architectures, supported by mentorship and growth opportunities. Strong English required.

Qualifications

• 4+ years of experience in Software Engineering focusing on mainframe systems.
• Proven expertise in maintaining and modernizing COBOL applications on IBM mainframes.
• Proficiency in mainframe technologies including CICS, DB2, JCL, and VSAM.
• Experience with batch and online transaction processing.
• Experience with legacy system integration and migration.
• Advanced proficiency in English.

Responsibilities

• Develop, maintain, and enhance mainframe applications using COBOL and CICS.
• Manage and optimize data storage and retrieval using DB2 and VSAM file structures.
• Create and troubleshoot JCL scripts to automate batch and online processing workflows.
• Perform deep-dive analysis of existing codebases to identify refactoring and modernization opportunities.
• Support production systems through rigorous debugging, performance tuning, and technical documentation.
• Collaborate on migration projects to transition legacy workloads toward modern architectures.

Skills

COBOL

CICS

DB2

VSAM

JCL

Mainframe

Batch & Online TP

English proficiency

Tools

JCL

CICS

DB2 Utilities

Job description

BairesDev is seeking a Legacy Systems Developer to maintain and modernize COBOL applications on IBM mainframes. You will ensure stability of core business logic while driving modernization, all within a 100% remote role. Excellent compensation in USD or local currency, plus home setup and flexible hours.

Join a global team and collaborate on migration projects toward modern architectures, supported by mentorship and growth opportunities. Strong English required.