Collins Ogbonna

Software Engineer with 5+ years of experience building and optimizing scalable, database-driven web applications. Strong expertise in Oracle SQL performance tuning, Python/Django backend development, API design, and cloud-native systems. Proven ability to improve performance, automate workflows, and deliver reliable software in high-scale and regulated environments.

Application Developer (Oracle Database) at FundRock Management Company S.A. (2022-06 – 2023-01)

Optimized complex Oracle SQL queries and developed backend automations for financial operations

• Optimized complex Oracle SQL queries, improving execution time by up to 92%
• Built database views, PL/SQL functions, and collections, reducing report latency by 90%
• Developed Python/Django backend automations, saving 30+ hours per week
• Designed Windward report templates, ensuring 100% regulatory compliance
• Supported live production operations, maintaining 99.9% data accuracy

Web Developer at Kerry (2021-11 – 2022-04)

Maintained WordPress and Adobe Experience Manager sites across enterprise domains

• Maintained WordPress and Adobe Experience Manager sites across 12+ enterprise domains
• Reduced security vulnerabilities by 40% through platform maintenance
• Supported Azure DevOps release pipelines, cutting deployment time by 25%
• Resolved multi-environment issues, reducing downtime by 35%
• Improved GitHub workflows and documentation, reducing onboarding time from 3 weeks to 1 week

Software Engineer at 9mobile (2018-12 – 2020-07)

Built and maintained web and mobile applications serving 200+ million users

• Built and maintained web and mobile applications serving 200+ million users
• Developed and integrated 25+ REST and SOAP APIs using Java and JavaScript
• Optimized NoSQL queries across 10TB+ datasets
• Delivered 15+ production releases with cross-functional teams
• Improved API response times by 45% through caching and query optimization
• Reduced reported defects by 14% through improved testing practices
• Mentored 4 junior developers through code reviews and training sessions

ERP Web Developer at Dataflex Nigeria Limited (2016-11 – 2018-12)

Developed ERP web platforms using PHP and React for enterprise clients

• Developed ERP web platforms using PHP and React for 15+ enterprise clients
• Optimized SQL queries, improving reporting performance by 60%
• Built dashboards and documentation adopted by 200+ users
• Maintained 99.5% uptime across multiple client deployments
• Led migration from legacy PHP to React, improving page load times by 50%

Master of Science in Software Design with Cloud Native Computing – Technological University of the Shannon (2022 – 2024)

Master of Science in Software Engineering – Technological University of the Shannon (2019 – 2021)

Bachelor of Science in Software Engineering – FTMS College (2012 – 2016)