Hi, I'm Excel Nwachukwu, a frontend and mobile experience engineer with over 3+ years of experience building and scaling financial, cross-platform, and web experiences for thousands of daily active users. I specialize in React.js, Next.js and Flutter, with a focus on bridging technology, compliance and strategy to deliver high-impact features from concept to production, even in low-bandwidth locations. I thrive in fast-paced, high-growth environments, wearing multiple hats and tackling diverse technical and product challenges to ship reliable, accessible experiences. I am comfortable wearing multiple hats and tackling diverse technical and product challenges within fast-paced, high-growth environments.

Excel Nwachukwu

Hi, I'm Excel Nwachukwu, a frontend and mobile experience engineer with over 3+ years of experience building and scaling financial, cross-platform, and web experiences for thousands of daily active users. I specialize in React.js, Next.js and Flutter, with a focus on bridging technology, compliance and strategy to deliver high-impact features from concept to production, even in low-bandwidth locations. I thrive in fast-paced, high-growth environments, wearing multiple hats and tackling diverse technical and product challenges to ship reliable, accessible experiences. I am comfortable wearing multiple hats and tackling diverse technical and product challenges within fast-paced, high-growth environments.

Available to hire

Hi, I’m Excel Nwachukwu, a frontend and mobile experience engineer with over 3+ years of experience building and scaling financial, cross-platform, and web experiences for thousands of daily active users. I specialize in React.js, Next.js and Flutter, with a focus on bridging technology, compliance and strategy to deliver high-impact features from concept to production, even in low-bandwidth locations. I thrive in fast-paced, high-growth environments, wearing multiple hats and tackling diverse technical and product challenges to ship reliable, accessible experiences.

I am comfortable wearing multiple hats and tackling diverse technical and product challenges within fast-paced, high-growth environments.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate

Work Experience

Software Developer at FinCode UK
January 1, 2024 - Present
Built RemitJunction, a multi-tenant SaaS platform with Next.js, TypeScript, and Redux, serving financial institutions across Africa and in the diaspora with role-based access for compliance, operations and support teams. Developed, shipped and maintained customer-facing white-label mobile apps Oneworld Finance and related agent apps for iOS and Android. Integrated 5+ payment gateways (TrustPayment, Local Banking APIs, UK Open Banking) and optimized multi-currency transactions using real-time exchange rate feeds and caching. Optimized Flutter apps for iOS and Android, improving performance by 50% through data caching and background sync. Designed and developed progressive KYC/AML onboarding flows, achieving 95% completion rate.
Frontend Developer at Tiquette HQ
July 1, 2023 - November 1, 2024
Architected responsive web applications using React.js, React Query, and Zustand, implementing complex multi-day event booking flows at scale. Integrated third-party services (Mailchimp, Salesforce, Stripe, Paystack) with robust error handling and retry mechanisms. Developed a GDPR-compliant CRM and data collection system with granular consent management and automated data/background sync. Created a multi-ticket gifting feature that increased daily average order value by 25% through seamless UX design.
Frontend & Prototype Engineer at Brainiacs STEM & Robotics
June 1, 2022 - December 1, 2023
Led robotics projects and mentored 200+ students across 3 states. Built automation projects (smart irrigation, robotic sensory cars) and an interactive e-learning platform for Arduino tutorials with student progress tracking. Designed accessible UI components meeting WCAG 2.1 standards to improve usability for diverse learning needs.

Education

Bachelor of Science at Michael Okpara University, Umudike, Nigeria
September 1, 2015 - March 1, 2021
Bachelor of Science in Computer Science at Michael Okpara University, Umudike
September 1, 2015 - March 1, 2021

Qualifications

Add your qualifications or awards here.

Industry Experience

Financial Services, Software & Internet, Professional Services, Education, Media & Entertainment