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I'm Destiny T. Kefas, a passionate software engineer focused on building scalable, high-performance web applications. I specialize in crafting polished front-end experiences with React, TypeScript, and modern UI frameworks, while collaborating with back-end teams to design robust APIs and scalable architectures. I'm driven by clean code, accessible interfaces, and measurable impact. My work has improved onboarding, reduced API failures, and enabled public-sector platforms used by hundreds of thousands of users worldwide.…I'm Destiny T. Kefas, a passionate software engineer focused on building scalable, high-performance web applications. I specialize in crafting polished front-end experiences with React, TypeScript, and modern UI frameworks, while collaborating with back-end teams to design robust APIs and scalable architectures. I'm driven by clean code, accessible interfaces, and measurable impact. My work has improved onboarding, reduced API failures, and enabled public-sector platforms used by hundreds of thousands of users worldwide.

Destiny T. Kefas

Full Stack Developer, Web Developer, Front-End Developer, +2

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I'm Destiny T. Kefas, a passionate software engineer focused on building scalable, high-performance web applications. I specialize in crafting polished front-end experiences with React, TypeScript, and modern UI frameworks, while collaborating with back-end teams to design robust APIs and scalable architectures. I'm driven by clean code, accessible interfaces, and measurable impact. My work has improved onboarding, reduced API failures, and enabled public-sector platforms used by hundreds of thousands of users worldwide.…I'm Destiny T. Kefas, a passionate software engineer focused on building scalable, high-performance web applications. I specialize in crafting polished front-end experiences with React, TypeScript, and modern UI frameworks, while collaborating with back-end teams to design robust APIs and scalable architectures. I'm driven by clean code, accessible interfaces, and measurable impact. My work has improved onboarding, reduced API failures, and enabled public-sector platforms used by hundreds of thousands of users worldwide.

Available to hire

I’m Destiny T. Kefas, a passionate software engineer focused on building scalable, high-performance web applications. I specialize in crafting polished front-end experiences with React, TypeScript, and modern UI frameworks, while collaborating with back-end teams to design robust APIs and scalable architectures.

I’m driven by clean code, accessible interfaces, and measurable impact. My work has improved onboarding, reduced API failures, and enabled public-sector platforms used by hundreds of thousands of users worldwide.

Skills

Experience Level

Expert

Expert

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Intermediate

Work Experience

Full Stack Software Engineer at Oasis Management Company

August 1, 2024 - Present

Built and optimized frontend systems for high-impact public sector apps serving 300K+ users yearly. Improved onboarding flow for tax platforms and other public sector projects, reducing abandonment and increasing activation — contributing to over $4,000,000 in processed taxes per year. Key projects included Anambra State Internal Revenue Central System, Enugu State Lottery, Corporate Affairs Commission VAS API Integrated Service, and Kogi State Hotel & Tourism Board. Increased mobile responsiveness using CSS Grid and Flexbox. Reduced API request failures by 35% through Spring Boot and Strapi integration improvements. Improved the global component structure and implemented reusable frontend components, classes, and services, significantly reducing development time for teammates.

Freelance Software Developer at Self-Employed / Freelance

May 1, 2023 - August 1, 2024

Designed, developed, and optimized e-commerce, fintech, and community platforms using React.js, Strapi, and Node.js, achieving up to 40% faster load times through responsive design, code splitting, and performance tuning. Improved user engagement by 25% through UX enhancements, accessibility upgrades, and mobile-first design. Built frontends with React.js, Next.js, and React Native, implementing product catalogs, secure checkouts, order tracking, payment integrations, and user-generated content systems. Developed scalable backends with Strapi CMS, Spring Boot, and RESTful APIs, integrating PostgreSQL and MySQL to reduce API response times by 30% via optimized queries and caching. Implemented secure authentication (JWT/OAuth), payment gateways (Stripe, PayPal), and multilingual support (i18n). Collaborated in Agile teams, contributing to architecture planning, code reviews, and CI/CD pipelines, delivering over 10 production-grade web and mobile applications for small businesses, startup

Frontend Developer - Intern at TTEC

January 1, 2023 - May 1, 2023

Developed and maintained agent dashboards, internal web tools, and customer-facing portals using React.js and Node.js, supporting day-to-day BPO operations. Implemented features such as real-time reporting, performance tracking, and user management to streamline workflows. Integrated RESTful APIs and authentication systems to ensure secure access and seamless communication across SaaS platforms. Collaborated in an Agile environment, contributing to code reviews, debugging, and the delivery of scalable, responsive applications used by both employees and clients.

Freelance Software Developer at Independent / Freelance

May 1, 2023 - August 1, 2024

Designed, developed, and optimized e-commerce, fintech, and community platforms using React.js, Strapi, and Node.js, achieving up to 40% faster load times and improving user engagement by 25% through UX and accessibility enhancements. Built frontends with React.js, Next.js, and React Native, implementing features like product catalogs, secure checkouts, order tracking, and multilingual support. Developed scalable backends with Strapi CMS, Spring Boot, and RESTful APIs, optimizing queries and introducing caching to reduce response times. Implemented secure authentication (JWT/OAuth), payments (Stripe, PayPal), and multilingual support; contributed to multiple production-grade web and mobile apps.