Dennis Nelson Mina
Open to work18 years experienceBackend Developer
Senior Consultant, Data Engineer, and Oracle DRM Architect
Standing Rank
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Skills & Technologies
46 skillsGitHub Activity Evidence
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Work Experience
Data Engineer
United Overseas Bank (UOB) QUESS SELECTION & SERVICES PTE. LTD.
- Architected and governed enterprise metadata and hierarchy management using Oracle Data Relationship Management (DRM), establishing a single source of truth for financial and planning systems.
- Implemented metadata governance, validation rules, and automated deployment workflows to improve data quality, reduce manual interventions, and accelerate releases.
- Designed and operated cross-platform synchronization between DRM, Hyperion Planning, Essbase, and reporting environments to ensure consistent, reconciled metadata across systems.
- Led production readiness activities including disaster recovery planning, production parameter maintenance, and post-implementation support to reduce operational risk and strengthen business continuity.
- Partnered with finance and business stakeholders to align master data structures with reporting and compliance requirements and to operationalize change governance.
Senior Consultant / Technical Lead
United Overseas Bank (UOB) Quess Corp Singapore PTE. LTD.
- Managed the full metadata lifecycle in Oracle DRM—approvals, validations, change governance, deployments, versioning and audits.
- Designed and operated ETL/ELT pipelines to deliver analytics-ready datasets for enterprise reporting and BI.
- Collaborated with business and technical stakeholders to translate requirements into practical, production-ready solutions.
- Authored functional and technical specifications, runbooks, and coached teams on incident response, root cause analysis, and agile delivery practices.
- Led delivery and support operations to maintain high system availability and ensure compliance with governance and SLA expectations.
- Coordinated cross-functional teams and vendors to deliver releases and system integrations with minimal business disruption.
- Standardized incident, defect, and change management processes to improve response times and operational consistency.
- Mentored team members and reviewed vendor designs to ensure alignment with architecture and scalability requirements.
Senior Consultant / Technical Lead
United Overseas Bank (UOB) Comtel Solutions PTE.
- Contributed to the successful migration from Oracle Hyperion 9.3.1 to Oracle EPM 11.1.1.
- Led end-to-end technical delivery for enterprise banking and business-critical applications, driving large-scale transformations and enhancements.
- Collaborated with architects, business analysts, SMEs, and development teams to define functional and technical requirements and deliver scalable enterprise solutions.
- Planned and coordinated production deployments across multiple application teams to ensure smooth cutovers and minimal operational risk.
- Directed incident management and production support activities, prioritizing incidents by business impact and ensuring SLA compliance.
- Conducted root cause analysis and implemented corrective actions that improved application stability and reduced repeat incidents.
- Improved processes for requirements gathering, testing, scripting, and documentation; partnered with Test Managers to drive high-quality SIT, UAT, performance and security testing.
- Participated in strategy reviews and governance discussions; reviewed solution designs and project estimates to prioritize enhancements and resource allocation.
- Created database triggers, cursors, procedures/functions and packages using PL/SQL.
- Written complex SQL (Sub queries and Join conditions), in PL/SQL. Experience in trace errors fromStored procedures/functions, Packages and fixed. Used TOAD to check Explain plan and Tune fun/proc and Packages to improve the performance.
Projects
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Leaderboard Standings
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Assessment Highlights
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AI Collaboration Score
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Role Compatibility Profile
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Achievements
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About Details
Professional Bio
Senior Data Engineering and Oracle DRM Architect with years designing and delivering enterprise metadata management, hierarchy governance, and Oracle EPM solutions for global financial organizations. Expert in Oracle Data Relationship Management (DRM), Hyperion Planning, Essbase, ETL/ELT.
Bachelor of Science in Computer Engineering
Mapua Institute of Technology ( - Present)