HAROLD MALLARI
Seasoned Software Engineer
City of San Fernando,PAM
Summary
Seasoned in leading technology solutions at DHL eCommerce Solutions, I excel in RESTful API design and Agile Scrum practices, demonstrating a robust track record of innovative deployments and process enhancements. My expertise in Java software development and collaborative approach have driven significant advancements, notably in system integration and automated deployment processes.
Overview
26
26
years of professional experience
1
1
Certification
Work History
SENIOR APPLICATION SUPPORT ANALYST
DHL eCommerce Solutions
Austin
07.2021 - 07.2024
- Sustained reliable assistance for NewOps, RAMP, and CONNECT starting from July 2021.
- Advocated for DevSecOps practices in regular meetings and discussions.
- Proficiently led initiatives using OpenShift Container Platform.
- Maintains a high level of monitoring and management for NewOps/RAMP processes.
- Deployed Java-based applications on OpenShift Container Platform.
- Contributed to refining and advancing process workflows.
- Facilitated comprehensive training programs covering Splunk, Openshift, and essential support operations.
- Developed and revised dashboards for enhanced tracking.
- Created innovative solutions for automating workaround processes.
- Investigates to resolve complex technical challenges.
- Executed solutions for production problems based on SOP documents.
- Conducted routine checks on application health and implemented service restarts per established guidelines.
- Drives improvements in system efficiency while reducing resource consumption.
- Facilitate collaboration across various groups including but not limited to Developers and DevOps Engineers for issue resolution.
- Engaged in continuous improvement initiatives every week.
- Achieved process improvements with advanced R&D efforts.
- Organized case-specific meetings with NewOpsSupport leadership for targeted topic discussions.
- Supported ITS colleagues in managing and troubleshooting a variety of technologies such as Google Cloud Platform, OCP and Jenkins.
SENIOR ARCHITECT
DHL Information Services (Europe) s.r.o.
Prague
03.2018 - 07.2021
- Facilitated application integration for internal and external customers by providing development and support for GAPI services.
- Devised xBU integration design strategies for regional microservice implementation.
- Verified compliance with established security protocols.
- Promoted efficient utilization of existing software components.
- Demonstrated capability by successfully conducting POC on ESB to OpenShift migration.
- Integrated Sonar and Fortify Scan into existing processes while automating deployment pipelines for each service using ITS Jenkins.
- Engineered the GAPI Product Finder with a focus on streamlined automation using Java and Spring Boot.
- Managed external system integration via Axway gateway.
- Merged pricing and delivery APIs to enhance functionality.
- Handled various API functionalities such as those for GAPI Rating and Validation.
- Directed the deployment process for SIT, BAT, and PRODUCTION to ensure precision and thoroughness.
- Oversaw successful rollouts of services in non-prod and production settings.
- Contributed to agile team dynamics by taking part in all key ceremonies such as daily scrum, backlog grooming and sprint retrospectives.
- Refactored code for improved performance in GAPI services.
- Led installation, configuration, deployment and testing of GAPI services in DEV environment.
SENIOR SOFTWARE ENGINEER
DHL Information Services Sdn. Bhd
Selangor
03.2015 - 03.2018
- Evaluated the use of SonarQube plugin to enhance code quality for webMethods Flow Services.
- Upheld operational integrity in service-oriented architecture through meticulous supervision of RESTful APIs along with JMS/SOAP protocols.
- Contributed to upgrading SAG webMethods Integration Server from version 9.7 to 9.12.
- Developed RESTful web services for OTM and TMS.
- Streamlined testing processes for OTM interfaces by leveraging Jenkins and various technology stacks such as Robot Framework.
- Engineered a client-side sample using Label API in Python enhanced by Unirest integration.
- Performed extensive tests on Label API with JMeter.
- Facilitated setup and validation processes for most ESB Services and Interfaces in development environment.
- Offered assistance post-deployment for ESB services during Hypercare stages.
- Contributes regularly to Daily Scrums, Sprint Planning and Review.
- Leveraged Postman with wM Integration Server providing seamless data flow among APPortal and GTD utilizing SFTP and JDBC.
- Elevated efficiency of DGFF Invoice Life Cycle reporting.
- Integrated DHL Customer Gateway with Application Advice EDI 824 processing.
- Enhanced efficiency of Create Booking web service by transitioning from GET to POST method for DHL Express.
R&D ENGINEER II
NetworkLabs Inc
Ayala, UP, Technohub
09.2014 - 01.2015
- Implemented and engineered the NE3S WebService Gateway grounded on business specifications.
- Designed software modules and programs following specified standards.
- Kept manager informed to ensure seamless project execution.
- Contributed to Sprint retrospectives and effort estimation of user story tasks.
- Enhanced workflows with necessary tools.
- Completed training programs on Agile Methodology with SCRUM, Test Driven Development (TDD) using JUnit, and Continuous Integration using Jenkins.
SENIOR FINANCIAL SYSTEMS ENGINEER
NYSE Philippines, Inc, FIXAsia Information Technologies Inc
Makati City
01.2013 - 01.2014
- Delivered high-quality production support, level 3 support and on-site engagement for NYSE FIX and Market Data Products.
PROFESSIONAL SERVICES LEAD
NYSE Technologies
Makati City
02.2011 - 01.2013
- Managed tasks efficiently when RSL was unavailable.
- Acted as primary support for Regional Support Lead - APAC.
- Utilizes unconventional methods to achieve goals.
- Led project management, overseeing effort estimation, scheduling and requirements gathering.
- Allocated duties by evaluating team members' strengths and workload.
- Provided comprehensive instruction to ensure team was well-informed about the product.
- Collaborated with a team to ensure superior quality and uphold company integrity.
- Devised innovative approaches and executed strategies for excellent deliverables.
- Performed on-site deployment in Qatar, Japan, Hong Kong, and Australia handling system integration, software support, product customization, development, installation, configuration, deployment, testing and user training.
PRODUCTS INTEGRATION SUPPORT
NYSE Technologies
Makati City
02.2007 - 02.2011
- Company Overview: FIX, Enterprise Software.
- Specialized in resolving third-level support issues.
- Handled mission-critical end-user application support involving investigation, replication, and resolution of problems.
- Led efforts in improving processes through the automation of manual tests.
- Facilitated smooth operations by aiding in various technical support activities.
- Tailored technical assistance to meet specific regional needs.
- Gained expertise on products through a comprehensive one-month training program in company's New York office.
- Ensures effective issue resolution through fact-finding and resource gathering.
- Analyzes choices to recommend effective solutions.
- Maintains consistency with established workflows.
- Effectively interacts with clients using both verbal and written methods.
- Evaluated new product features such as Tradescope MultiSite to ensure functionality with existing systems.
- Provided thorough instruction on FIX products to service personnel.
- Constructed release package for Appia's major update compatible with Windows/Linux/Unix systems.
- Performed detailed investigations of client-reported issues in end-user applications and infrastructure with problem replication and resolution facilitated through email or phone calls.
- Addresses client concerns about technical aspects and product features using email responses and phone conversations.
- Programmed Middleware APIs for better functionality.
- Oversaw inclusion of helpful sample code in Appia's installer to support FIX product testing.
PROGRAMMER V
Cyber City Teleservices
Clarkfield Pampanga
02.2003 - 02.2007
- Engineered automation system for All Fashion Gloves' manufacturing using VB, MS SQL, Base 39 Barcode and scanners.
- Built web application for Natural Disaster NGO OWL using PHP and MySQL.
- Collaborated with DBA for the successful transfer of database elements including Triggers and Functions.
SENIOR ENTERPRISE ENGINEER
Headstrong Phil. Inc
Makati City
08.2000 - 11.2001
- Collaborated with Trinitech on developing Web and financial applications for OBMS.
- Maintained high performance of MKI-UBS Market Trading System.
- Handled timely management of configuration settings.
- Entrusted with overseeing Sybase database administration for the MKI-Market Trader project.
- Oversaw administration of Unix Server utilized by MKI-Market Trader system.
PROGRAMMER/ANALYST
SVI-Clark
Clarkfield
01.1999 - 08.2000
- Administered all stages of application processes enhancing e-commerce functions.
- Handled enhancement tasks and upkeep of HTML generation software needed by Chismis.ph.
- Engineered systems for data parsing.
Education
Bachelor of Science - ELECTRONICS AND COMMUNICATIONS ENGINEERING
Holy Angel University
Angeles, Philippines04-1998
Skills
- RESTful API Design
- Proficient in System Integration
- Java Software Development
- Microservices Architecture
- Agile Scrum Practices
- Established Standards Compliance
- Automated Deployment Processes
- OpenShift Container Orchestration
Awards
Very Special Achievement Award - VESPAA, 12/01/20, DHL Information Services (Europe) s.r.o.
Affiliations
- 5 Times Dean's Lister - Holy Angel University , June 1996-1998
- Honor Roll Scholar
Certification
- Java (Basic) Certificate - HackerRank, Oct 2020
- Certified Logistics Professional - DHL IT Services, Aug 2018
- Certified Fortify Engineer - DHL IT Services, Aug 2019
Languages
English
Full Professional
References
References available upon request.
Accomplishments
· B.S. Electronics and Communications Engineering, Java (Basic) Certified, Certified Logistics Professional, Certified Fortify Engineer, Licensed ECE and extensive professional IT experience
· Very Special Achievement Award – Senior Architect, DHL Information Services (Europe) s.r.o., Dec 2020
· Develops enterprise solutions, stand-alone applications and system integrations using JAVA and Spring boot, REST APIs, frameworks and tools in one to multi-tier architecture systems and deployed in Cloud Computing Platforms such as but not limited to Google Cloud Platform, Openshift Container Platform and On Prem Virtual Servers
· Extensive knowledge in different SDLC methodologies (Waterfall, Iterative, Agile), Automation tools (Maven, Jenkins, Gradle) Version Control Systems (GitHub, SVN, CVS), and System Integration Platforms (webMethods Integration Server, ESB)
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Work Preference
Work Type
Full TimeWork Location
On-SiteRemoteHybridImportant To Me
Work-life balanceCareer advancementPersonal development programsHealthcare benefitsWork from home optionPaid time offTeam Building / Company RetreatsPaid sick leave401k matchStock Options / Equity / Profit SharingFlexible work hoursCompany CultureQuote
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Do your best and GOD will take care of the rest.
Live as if you were to die tomorrow. Learn as if you were to live forever.
Mahatma Gandhi
Software
IDEA IntelliJ
OpenShift Container Platform
Google Cloud Platform
APIGEE Edge
Jenkins
Maven
GitHub
Confluence
Jira
MS Office 365
MS Teams
Groovy
YML
Timeline
SENIOR APPLICATION SUPPORT ANALYST
DHL eCommerce Solutions
07.2021 - 07.2024
SENIOR ARCHITECT
DHL Information Services (Europe) s.r.o.
03.2018 - 07.2021
SENIOR SOFTWARE ENGINEER
DHL Information Services Sdn. Bhd
03.2015 - 03.2018
R&D ENGINEER II
NetworkLabs Inc
09.2014 - 01.2015
SENIOR FINANCIAL SYSTEMS ENGINEER
NYSE Philippines, Inc, FIXAsia Information Technologies Inc
01.2013 - 01.2014
PROFESSIONAL SERVICES LEAD
NYSE Technologies
02.2011 - 01.2013
PRODUCTS INTEGRATION SUPPORT
NYSE Technologies
02.2007 - 02.2011
PROGRAMMER V
Cyber City Teleservices
02.2003 - 02.2007
SENIOR ENTERPRISE ENGINEER
Headstrong Phil. Inc
08.2000 - 11.2001
PROGRAMMER/ANALYST
SVI-Clark
01.1999 - 08.2000
Bachelor of Science - ELECTRONICS AND COMMUNICATIONS ENGINEERING
Holy Angel University
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