hackquest logo

Oracle PL/SQL Developer

O

OLVRO Co. Ltd.

Contract
One E-Com Center. Harbor Dr, Pasay City, Metro Manila, Philippines

The Senior Oracle PL/SQL Developer is responsible for the end-to-end

development, enhancement, and production support of enterprise

applications and database systems. This role requires strong hands-on

expertise in Oracle PL/SQL development combined with the ability to support

live production environments, troubleshoot incidents, and collaborate across

application, infrastructure, and business teams. Full-stack capability is

preferred to support seamless system integration and faster issue resolution.


RESPONSIBILITIES:

  • Design, develop, enhance, and maintain complex Oracle PL/SQL components including procedures, functions, packages, triggers, and views.
  • Provide Level 2 / Level 3 production support, including issue investigation, root cause analysis, and permanent fixes
  • Monitor, troubleshoot, and resolve database and application-related incidents in production environments
  • Perform SQL optimization, performance tuning, and query refactoring for high-volume transactional systems
  • Collaborate with application developers, QA, DevOps, and business stakeholders for end-to-end solution delivery.
  • Participate in system enhancements, bug fixes, patching, and release deployments
  • Conduct impact analysis for change requests and production issues
  • Ensure data integrity, security, and compliance with coding and database standards
  • Perform code reviews and provide technical guidance to junior developers
  • Prepare and maintain technical documentation, SOPs, and knowledge base articles
  • Support data fixes, reconciliations, and ad-hoc reporting as required.


JOB REQUIREMENTS:

  • Bachelor’s degree in Computer Science, Information Technology, or a related field
  • 5+ years of experience in Oracle PL/SQL development with production support exposure
  • Strong expertise in Oracle Database and PL/SQL programming
  • Proven experience supporting mission-critical production systems
  • Solid knowledge of SQL performance tuning, indexing strategies, and execution plans
  • Experience in application support, incident management, and root cause analysis
  • Understanding of full SDLC, including development, testing, deployment, and post-production support
  • Ability to work in a support-on-demand or on-call environment (if required)


Full Stack / Technical Exposure (Preferred):

  • Experience with Java, .NET, or other backend application frameworks
  • Basic to intermediate experience in frontend technologies (e.g., HTML, CSS, JavaScript)
  • Experience with REST/SOAP APIs and system integrations
  • Familiarity with Unix/Linux, shell scripting, and batch processing
  • Exposure to CI/CD pipelines, Git, Jira, and Agile/Scrum environments
  • Strong analytical, problem-solving, and communication skills


Nice to Have / Advantage:

  • Experience with Oracle Forms/Reports, Oracle APEX, or Oracle BI tools
  • Experience in ETL, data migration, or data warehousing
  • Oracle Certifications (OCA/OCP)
  • Experience in regulated industries (banking, finance, insurance, telco)