JESSA T. CARILLO

• Project Name: Southern Company
• Brief Project Description: A utility company in America
• Period: May 2023 - August 2025
• Technologies: Customer/1, Mainframe, COBOL, JCL, DB2, Linux, SQL Developer
• Job Function: Technical and Detail Designer

- Performed technical and/or detailed design of the requirement

- Led cross-functional teams to develop and implement innovative application solutions.

- Managed project timelines and resources to ensure on-time delivery of software products.

- Streamlined application development processes, enhancing efficiency and reducing time-to-market.

- Mentored junior developers, fostering skill development and collaboration within the team.

- Facilitated knowledge-sharing sessions, promoting a culture of learning within the development team.

-Resolved complex technical issues through diligent research, analysis, and creative problem-solving techniques.

• Job Function: Static Lead

- Main Point-of-Contact for any Static-related request and concerns

- Managed static-related projects

- Revised Static activity process and limit static-related issues

- Conducted code reviews of any static changes before implementation to ensure high-quality standards.

• Job Function: STP Lead

- Main Point-of-Contact for first-level promotion of impacts

- Did capacity planning for STP-related tasks

• Job Function: Host Code Reviewer

- Conducted code reviews to ensure adherence to best practices and maintain high-quality standards.

• Job Function: Quality Team Member

- Did project audits to ensure quality work is being maintained by the developers

• Job Function: Interface Team Member

- Scope of work is from requirements gathering— design — code —test — promotion — fix issues in production

- Collaborated with stakeholders to gather requirements and translate them into technical specifications.

• Project Name: Exelon Customer 1 Hub
• Brief Project Description: Enhancement projects of Exelon
• Duration: From August 2022 - May 2023
• Technologies: Mainframe, COBOL, JCL, DB2 , Unix, CIMS, Toad
• Job Functions: Product Tester

- Performed product testing with quality.

- Performed development work such as code and component testing.

- Did design for error fix found in UAT testing.

- Involved to fix production issue

- Collaborated with the team

- Helped other newbies and teammates to the best of my abilities.

• Client Name: Bank of the Philippines Islands (BPI)
• Project Name: Project Tiffany
• Brief Project Description: Migration project of BFB to BPI
• Duration: From May 2022 – August 2022
• Technologies: Mainframe Batch, COBOL, JCL, CA Scheduler
• Job Functions: UAT Support

- Part of a migration project

- Performed adhoc requests of business users for their testing.

• Project Name: PPL Linux Migration Project
• Brief Project Description: Migration project from Unix to Linux
• Duration: From October 2021 – March 2022
• Technologies: COBOL, Linux/Unix, Customer 1, Salesforce, Jira, SQL Developer
• Job Functions: Technical Analyst

- Created functional test plans.

- Performed system verification testing.

- Led training sessions for junior analysts, fostering skill development and knowledge sharing within the team.

- Collaborated with cross-functional teams to identify and resolve technical issues impacting project timelines.

- Created training documents.

- Participated in process improvements.

- Conducted various trainings for the newbies and guided them to expedite their familiarization of the system.

-Developed comprehensive documentation outlining system specifications and procedures, facilitating seamless knowledge transfer among team members.

-Trained new hires on company-specific tools, systems, and best practices to ensure smooth integration into the team.

• Project Name: Siam Commercial Bank (SCB)
• Brief Project Description: A commercial bank in Thailand
• Duration: 4 months (January 2018- April 2018)
• Technologies: Mainframe, COBOL, JCL, DB2, Selenium
• Job Functions: Developer

- Developed JCL and COBOL Programs with minimal to no supervision within the quality guidelines and target timeframe.

- Conducted thorough testing and debugging processes to ensure high-quality software releases.

- Did reverse engineering of the client’s banking system to help nontechnical people understand the functionality of the system.

- Updated technical documentation, product specifications, and technical training materials.

• Project Name: Field Management System(FMS)
• Ensured applications met all regulatory and compliance requirements, mitigating legal risks.
• Brief Project Description: Incentive Account Operation
• Duration: 3 yrs. & 9 mos. (March 2014 – December 2017)
• Technologies: Mainframe, COBOL, JCL, DB2, Unix, ETL Data Stage, ITSM
• Job Functions: Production Support

- Solved errors/abends in Mainframe jobs.

- Solved incidents or problems in DB2, JCL and OPC programming within Service Level Agreements.

- Performed Ad hoc requests that require coding using JCL such as data extraction on mainframe database.

- Helped in the implementation of process improvements as this was a start-up project.

- Coordinated with different teams globally in handling issues.

- Collaborated with cross-functional teams to develop and implement system improvements for optimal production support.

- Mentored junior production support, providing guidance on best practices and helping them develop the skills necessary for long-term career growth within the industry.

- Demonstrated commitment to teamwork by consistently supporting colleagues during peak production periods or absences due to illness or vacation time off requests.

• Project Name: Exelon
• Brief Project Description: A double-diamond Utility client
• Duration: 3 yrs. & 4 mos. (November 2010 – March2014)
• Technologies: Customer/1, Mainframe, COBOL, JCL, DB2, Unix, Toad for Oracle
• Job Functions: Technical and Detail Designer

-Performed technical or detailed design of the requirement.

-Led software development projects, ensuring adherence to best practices and project timelines.

-Collaborated with cross-functional teams to refine software requirements and improve user experience.

-Consistently met project deadlines by effectively managing time and prioritizing tasks according to importance.

-Created test plan.

- Did estimation of development hours

• Job Functions: Developer and Product Tester

- Developed and tested for Application maintenance, large enhancement projects and production hotfixes.

- Analyzed defects and recommending fixes making the production push successful.

- Investigated incidents and provides fixes or workarounds within SLA resulting in reduction of ticket queues.

-Delivered unit-tested systems within customer-prescribed timeframes.

• Job Functions: HD Analyst on Finance-Related Tickets

- Solved Finance Related Tickets logged by the clients within SLA.