Sinduja Sivathanulingam

Oracle Apex and Website Creator
About me

Senior Technical Lead with 10+ years of experience in Oracle APEX, PL/SQL and enterprise application design. Skilled in delivering scalable, high-performance solutions and integrating modern web technologies. After a career break focused on upskilling in Oracle APEX (v24), REST APIs, WordPress and AI, I recently delivered a WordPress-based freelance project in financial services with strong emphasis on SEO, compliance and client engagement.

Skills
  • Application Development: Oracle APEX(V 24), HTML, REST API, minimal working knowledge of Python, CSS, JavaScript, jQuery
  • Database: Oracle SQL, Oracle PL/SQL, Oracle 11g/12c/23ai, Stored Procedures, Packages, Triggers, Performance Tuning
  • Web Development: Hostinger, WordPress (Elementor, WP Forms, WooCommerce), Google Search Console
  • Tools & Platforms: SQL Developer, Oracle REST Data Services (ORDS)
  • AI & Automation Skills: Prompt Engineering, Automating repetitive tasks with AI-powered assistants
Work Experience

Web Developer (Freelance Project) – Dalton Investment Advisory Services Pvt Ltd

Sep 2025

  • Designed and launched the company’s official WordPress website, ensuring compliance with SEBI and BSE regulatory guidelines.

  • Built and customized the site using Elementor for compliance documentation and investor awareness resources.

  • Implemented SEO strategies to increase visibility. 

Phoenix Verge

Mar 2025 - Present

  • Diagnosed Oracle Forms & Reports ERP slowness by analyzing network latency, memory usage, database and application server behavior.
  • Recommended and implemented solutions: RAM upgrade and increased JVM heap size to improve system responsiveness and ensure future scalability. Proposed and developed a working prototype of a Python-based application to automate time-consuming reports.

Career Break from 2018 – Feb 2025

Senior Technical Lead – Cognizant, Mumbai, India

Dec 2007- May 2018

  • Led the design, development, and deployment of Oracle APEX applications across multiple business domains.
  • Worked extensively with Oracle APEX , PL/SQL, Oracle 11g/12c.
  • Built responsive, interactive UIs using HTML, CSS, JavaScript to enhance user experience.
  • Optimized SQL and PL/SQL code for performance, and conducted code reviews to enforce best practices.
  • Collaborated with Business Analysts and stakeholders to refine system requirements and translate them into technical specifications.
  • Mentored junior developers and facilitated onboarding and architectural guidance.
  • Ensured smooth production implementations with proper monitoring and post-deployment support.