06/21/2025 updated


100 % available
Senior COBOL/Mainframe Developer with 15+ years experience in Banking and Insurance
Taguig City, Philippines
Only remote
Bachelor of Science in Computer EngineeringJava (Programming Language)Application Programming Interfaces (APIs)Amazon Web ServicesAmazon Elastic Compute CloudBankingTelecommunicationsChange ManagementCustomer Information Control System (CICS)CLISTCloud ComputingCOBOL (Programming Language)DatabasesData ManagementIBM DB2Debugging
COBOL Programming
Extensive expertise in COBOL programming with over 15 years of experience developing and maintaining mainframe applications across banking, insurance, and telecommunications sectors.
Mainframe Systems
Comprehensive knowledge of mainframe environments including JCL, CICS, DB2, and IMS databases with proven ability to optimize batch processes and maintain legacy systems.
Team Leadership
Strong leadership capabilities demonstrated through multiple team lead roles at Accenture, coordinating development teams and managing critical projects worth up to $350 million.
Cloud Technologies
Emerging skills in AWS (EC2, IAM) and Terraform with experience in migrating legacy systems to cloud infrastructure.
File Transfer & Data Management
Proficiency with SFTP, XCOM, NDM, Sterling Gentran EDI and API integration for seamless data exchange between systems.
Job Scheduling & Monitoring
Experience with OPC, Ctrl-M, JobTrac, and CA7 for efficient job scheduling and monitoring in enterprise environments.
Change Management
Expertise with Changeman, Endevor, and ISPW tools for effective version control and deployment management.
Technical Skills:
Programming Language: COBOL, JCL, REXX, SAS, CICS, EZYTRIEVE, APS COBOL, Assembler
- Debugging tools : Expeditor, IBM Debugger, Intertest, Abend-aid
JCL Utilities: SMTP, SORT, SYNCSORT, DFSORT, ICETOOL, SORTJOIN
File Transfer tools : SFTP, XCOM, NDM(Connect:Direct), Sterling Gentran(EDI), API(JSON,XML)
Job Monitoring JES2/JES3: SDSF, CTRL-D, SAR(Sysout Archival and Retrieval (by CA/View or Broadcom)
Files/Databases: IMS, DB2, VSAM, GDG
- Tools/Utilities : FileAid, QMF, SPUFI, BMC
Job Schedulers: OPC, Ctrl-M, JobTrac, CA7
Change Management tools : Changeman, Endevor, ISPW
Enterprise Applications Knowledge : Alnova systems Change Management tools : Changeman, Endevor, ISPW
ITSM : Service-Now, Splunk
RACF and CLIST Basic knowledge.
Cloud Skills(Less than a year of exposure: Java, Terraform, AWS (EC2, IAM, etc.), Microsoft Product(Word, Excel, Visio, etc)
Soft Skills: Problem-solving, Analytical/Critical Thinking, Adaptability, Attention to detail, Customer/User focus, Leadership(Time management, Decision making and Emotional Intelligence).
Extensive expertise in COBOL programming with over 15 years of experience developing and maintaining mainframe applications across banking, insurance, and telecommunications sectors.
Mainframe Systems
Comprehensive knowledge of mainframe environments including JCL, CICS, DB2, and IMS databases with proven ability to optimize batch processes and maintain legacy systems.
Team Leadership
Strong leadership capabilities demonstrated through multiple team lead roles at Accenture, coordinating development teams and managing critical projects worth up to $350 million.
Cloud Technologies
Emerging skills in AWS (EC2, IAM) and Terraform with experience in migrating legacy systems to cloud infrastructure.
File Transfer & Data Management
Proficiency with SFTP, XCOM, NDM, Sterling Gentran EDI and API integration for seamless data exchange between systems.
Job Scheduling & Monitoring
Experience with OPC, Ctrl-M, JobTrac, and CA7 for efficient job scheduling and monitoring in enterprise environments.
Change Management
Expertise with Changeman, Endevor, and ISPW tools for effective version control and deployment management.
Technical Skills:
Programming Language: COBOL, JCL, REXX, SAS, CICS, EZYTRIEVE, APS COBOL, Assembler
- Debugging tools : Expeditor, IBM Debugger, Intertest, Abend-aid
JCL Utilities: SMTP, SORT, SYNCSORT, DFSORT, ICETOOL, SORTJOIN
File Transfer tools : SFTP, XCOM, NDM(Connect:Direct), Sterling Gentran(EDI), API(JSON,XML)
Job Monitoring JES2/JES3: SDSF, CTRL-D, SAR(Sysout Archival and Retrieval (by CA/View or Broadcom)
Files/Databases: IMS, DB2, VSAM, GDG
- Tools/Utilities : FileAid, QMF, SPUFI, BMC
Job Schedulers: OPC, Ctrl-M, JobTrac, CA7
Change Management tools : Changeman, Endevor, ISPW
Enterprise Applications Knowledge : Alnova systems Change Management tools : Changeman, Endevor, ISPW
ITSM : Service-Now, Splunk
RACF and CLIST Basic knowledge.
Cloud Skills(Less than a year of exposure: Java, Terraform, AWS (EC2, IAM, etc.), Microsoft Product(Word, Excel, Visio, etc)
Soft Skills: Problem-solving, Analytical/Critical Thinking, Adaptability, Attention to detail, Customer/User focus, Leadership(Time management, Decision making and Emotional Intelligence).
Experience
Professional experience10+ years
Freelancer since2025
Languages
EnglishFluent
Project history
Provided 24/7 operational support for telecommunications billing systems. Utilized COBOL, IMS, JCL, Assembler, and SAS for issue resolution and optimization. Involved in RUCSA removal analysis and disaster recovery exercises.
Conducted batch testing using OPC scheduler for the validation of source code changes.
Developed COBOL programs in a Unix environment for core insurance operations.