Oluwaseun Jayeoba

Senior Frontend Engineer

https://www.opentalent.in/oluwaseun-jayeoba-3693378

Key Strengths

Extensive experience (6+ years) in frontend development, specifically with React.js and Next.js, aligning perfectly with the Senior Frontend Engineer target role.
Demonstrated expertise in architecting predictable state management using Redux Toolkit and Zustand, crucial for complex applications.
Strong proficiency in robust testing practices (Jest, React Testing Library, Cypress), evidenced by raising test coverage to 85% and reducing defect rates by 20%.
Proven ability to optimize frontend performance through techniques like code-splitting, lazy loading, and bundle optimization.
Experience in designing and implementing component-driven architectures and reusable component libraries, ensuring design system consistency.
Track record of leading end-to-end development of high-traffic platforms and delivering measurable business impact (e.g., 18% improved payment completion, 500,000+ ticket sales).
Proficiency in TypeScript for large-scale codebases, indicating strong type safety and maintainability skills.
Experience with CI/CD pipelines (GitHub Actions, Docker, Vercel) and integrating third-party APIs and payment gateways.

Cultural & Operational Fit

Cultural Fit Analysis

The candidate has worked across diverse industries (fintech, e-commerce, supply chain, banking) and company sizes, indicating adaptability and a broad understanding of different business contexts. Their experience in leading initiatives, mentoring, and improving engineering quality standards suggests a proactive and growth-oriented mindset. The breadth of skills (React, Next.js, Vue, Nuxt, TypeScript, various state management and testing tools) demonstrates a willingness to learn and adapt to new technologies, which is a strong indicator of cultural fit for dynamic engineering environments.

Soft Skills & Operational Fit

The candidate's resume highlights collaboration with product and design teams, leading pair-programming sessions, and code reviews, indicating strong teamwork and leadership potential. Their experience in distributed engineering setups and remote work suggests adaptability and self-management. The focus on accessibility and data-driven decisions (GA4/GTM) shows a user-centric and analytical approach. The quantified achievements demonstrate a results-oriented mindset.

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About

Senior Frontend Engineer with 6+ years of expertise building scalable, high-performance React and Next.js applications. Proven record refactoring complex frontend systems, architecting state management with Redux Toolkit, and enforcing robust testing practices (Jest, RTL, Cypress) that raised critical-flow coverage to 85% and cut defect rates by 20%. Deep command of TypeScript in large codebases, SSR/client boundaries in modern Next.js, and component-driven design systems. Delivered a cross-border payment platform that lifted completion rates by 18% and a ticketing platform that scaled to 500,000+ sales across 1,000+ events.

Top Skills

React.jsNext.JsjestCypressAWS

Experience

Vaulta Inc

Senior Frontend Engineer

March 1, 2025 – Present

Lagos Island, Lagos State, Nigeria

Payaza Africa

Frontend Engineer

October 1, 2023 – January 1, 2025

Lagos Island, Lagos State, Nigeria

Releaf Nigeria

Software Engineer

October 1, 2021 – September 1, 2023

Lagos Island, Lagos State, Nigeria

Guaranty Trust Bank (GTBank)

Software Developer

January 1, 2020 – September 1, 2021

Lagos Island, Lagos State, Nigeria

Key Strengths

Extensive experience (6+ years) in frontend development, specifically with React.js and Next.js, aligning perfectly with the Senior Frontend Engineer target role.
Demonstrated expertise in architecting predictable state management using Redux Toolkit and Zustand, crucial for complex applications.
Strong proficiency in robust testing practices (Jest, React Testing Library, Cypress), evidenced by raising test coverage to 85% and reducing defect rates by 20%.
Proven ability to optimize frontend performance through techniques like code-splitting, lazy loading, and bundle optimization.
Experience in designing and implementing component-driven architectures and reusable component libraries, ensuring design system consistency.
Track record of leading end-to-end development of high-traffic platforms and delivering measurable business impact (e.g., 18% improved payment completion, 500,000+ ticket sales).
Proficiency in TypeScript for large-scale codebases, indicating strong type safety and maintainability skills.
Experience with CI/CD pipelines (GitHub Actions, Docker, Vercel) and integrating third-party APIs and payment gateways.

Cultural & Operational Fit

Cultural Fit Analysis

Soft Skills & Operational Fit

Oluwaseun Jayeoba

Key Strengths

Cultural & Operational Fit

About

Top Skills

Skills

Education

Experience

Key Strengths

Cultural & Operational Fit