GRACE EFFIONG Frontend Engineer | React • Next.js • TypeScript | Cloud-Aware

Highly skilled Frontend Engineer with 4+ years of professional experience building and scaling production-grade web applications for fintech, enterprise, and international clients. Specialized in React, Next.js, and TypeScript, with strong experience delivering high-performance, accessible, and SEO-optimized interfaces. Proven ability to collaborate across cross-functional teams, mentor junior engineers, and translate business requirements into reliable technical solutions. Experienced working with remote and international teams and modern cloud-based workflows.

Work Experience
Aug 2024 – Present | Lagos, Nigeria
  • •Designed and delivered micro-frontend React modules for the LenzByLotus digital banking platform, improving page load performance by ~40%.
  • •Built reusable component libraries in React and TypeScript, reducing development time across multiple projects by ~20%.
  • •Collaborated closely with UX designers, backend engineers, and architects to translate product requirements into scalable frontend solutions.
  • •Authored functional and technical documentation to support long-term platform maintainability.
  • •Mentored interns and junior developers on React fundamentals, debugging, and modern JavaScript practices.

    • Tech: React, Next.js, TypeScript, Tailwind CSS, Material UI, Azure, AWS, Jest

    Jan 2023 – Jul 2024 | Lagos, Nigeria
  • •Developed a responsive, accessible React dashboard used in loan processing, reducing processing time by ~90%.
  • •Implemented robust state management and data fetching using TanStack Query, improving reliability and user experience.
  • •Introduced automated testing practices using Jest and React Testing Library, improving code quality and deployment confidence.
  • •Built internal tools using Power Apps and SharePoint, streamlining requisition workflows by ~70%.

    • Tech: React, Next.js, TypeScript, AWS, Jest, Power Apps, SharePoint

    Aug 2021 – Dec 2022 | Remote

    Client Project: Vertex (Austin, Texas, USA)

  • •Built SEO-optimized Next.js applications with server-side rendering, increasing user engagement by ~30%.
  • •Delivered responsive, high-performance interfaces using modern React patterns and state management solutions.
  • •Collaborated with international engineering teams and backend developers to define API contracts and resolve cross-platform build issues.

    • Tech: React, Next.js, TypeScript, Tailwind CSS, Redux, AWS

    Skills & Tools
    Frontend: (React, Next.js, TypeScript, JavaScript (ES6+), HTML5, CSS3)
    UI & UX: (Tailwind CSS, Material UI, Shadcn, SCSS, Accessibility (WCAG), SEO)
    State & Data: (TanStack Query, Redux, Context API, Zustand)
    Testing & Quality: (Jest, React Testing Library, Vitest)
    Cloud & DevOps Exposure: (AWS, Azure DevOps, CI/CD (GitHub Actions))
    Architecture: (Micro-frontends, SSR (Next.js), Atomic Design)
    Collaboration: (Agile/Scrum, Jira, Git/GitHub, Cross-functional teams)
    Education
    Masters of Public Health (MPH), University of Calabar
    2022 – 2024
    BSc. in Microbiology - Second class upper, University of Calabar, Calabar
    2014 – 2017
    Certifications
    Leadership & Community
  • •Technical mentor for 10+ junior developers through structured mentorship and community initiatives
  • •Speaker at 5+ events
  • •Organizer and contributor to tech knowledge-sharing sessions and events