Victor (Sileola) O.

Senior Fullstack Engineer

Abakaliki, Nigeria

Experience

Apr 2025 - Present
7 months

Senior Fullstack Engineer

Plateaumed Limited

  • Engineered core features of the Plateaumed EMR system, increasing system reliability and performance by 35%.
  • Optimized database queries and API design, improving data access speed by over 40%.
  • Integrated automated testing and CI/CD pipelines, reducing deployment errors by 70%.
  • Mentored 4+ junior developers, improving team delivery speed and code quality.
  • Worked cross-functionally to translate product requirements into scalable, maintainable software components.
May 2024 - Apr 2025
1 year
Żebbuġ, Malta

Software Developer

Diligex Technologies Limited

  • Collaborated as a full-stack developer using C# (.NET) for backend services and Angular for frontend components.
  • Played a key role in redesigning the entire system with the latest version of Angular, enhancing performance and maintainability.
  • Improved UI/UX across the platform, resulting in a more intuitive and responsive user experience.
  • Refactored and optimized backend logic, improving system reliability, scalability, and API performance.
  • Collaborated closely with cross-functional teams to ensure seamless integration between frontend and backend layers.
Oct 2022 - Jun 2023
9 months
United States

Senior FullStack Engineer

ProfitOptics LLC

  • Delivered high-performance software systems supporting millions of users, contributing to a 20% revenue increase.
  • Upgraded legacy modules and introduced new features that boosted platform stability and usability.
  • Provided architectural input and solved critical performance bottlenecks, reducing system downtime by 50%.
Jan 2022 - Oct 2022
10 months
Amsterdam, Netherlands

Sr. Software Engineer

RB2

  • Architected and deployed subscription systems using Zuora, enhancing client billing efficiency and revenue tracking.
  • Integrated 3+ third-party payment gateways, reducing transaction failure rate by 60%.
  • Contributed in the development using C# and Vue.js, ensuring delivery of responsive and scalable applications across clients.
Jan 2019 - Dec 2021
3 years

Senior Software Architect

Cyberspace Limited

  • Led development of a high-traffic social app using microservices, achieving 99.99% uptime and supporting millions of requests daily.
  • Built and maintained CI/CD pipelines in Azure DevOps, reducing deployment time by 40%.
  • Enhanced backend maintainability by refactoring legacy systems, improving development velocity.
  • Delivered tools for publishers that improved web content deployment efficiency by 50%.
Apr 2014 - Jan 2019
4 years 10 months

Software Engineer

Vatebra Limited

  • Designed mission-critical applications adopted by public and private sector clients, improving operational efficiency.
  • Authored SRS documents post-JAD sessions, aligning technical delivery with stakeholder expectations.
  • Reduced technical debt through refactoring and modernization of legacy systems, decreasing maintenance overhead.
  • Collaborated in code reviews and team retrospectives, driving continuous improvement in team processes.

Summary

Highly motivated and experienced software engineer with over 13 years of expertise in designing and developing scalable solutions for client/server, web-based, and distributed applications. Proficient in C#, .NET, TypeScript, Angular, React, and Node.js. Demonstrated leadership in team environments with excellent interpersonal and communication skills. Passionate about tackling new challenges and continuously expanding technical knowledge.

Languages

English
Advanced

Education

Oct 2006 - Jun 2010

Adekunle Ajasin University, Akungba Akoko

Bachelor of Science · Computer Science · Nigeria · Second Class Upper

Certifications & licenses

Microsoft Certified Technology Specialist (MCTS)

Microsoft Certified Technology Specialist: .NET Framework 4, Web Application

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