Chukwuma Azubuike
Lagos
Summary
Seasoned Frontend Engineer (7+ years) delivering high-performance web and cross-platform applications for fintech and high-transaction environments. Expert in React/TypeScript, state management with Redux, Zustand, and RTK Query, CI/CD, automated testing (Jest/TDD), and production observability (New Relic, Sentry). Strong track record of leading front-end architecture, reducing incident impact through instrumentation and playbooks, and driving cross-functional delivery with excellent organizational and leadership skills.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Senior Frontend Engineer
AjoCard Limited
Lagos
02.2022 - Current
- Led design of front-end architecture and component library for multi-tenant fintech products.
- Developed responsive, high-performance web applications using React and associated libraries.
- Integrated New Relic APM and Sentry for comprehensive error monitoring with dashboards and alerts.
- Reduced front-end crash rates by approximately 70% through targeted fixes using Sentry telemetry.
- Streamlined development process by integrating Puppeteer automated testing, saving three hours weekly per developer.
- Owned sprint delivery in Jira, facilitated product discovery workshops, and coordinated cross-team releases.
- Managed AWS Linux servers, overseeing development and testing environments while troubleshooting issues.
- Migrated data fetching to RTK Query, optimizing caching and minimizing redundant network calls.
Senior React Native Engineer (Part-time Volunteer)
Commonwealth of Zion Assembly
Lagos
11.2022 - Current
- Led frontend team in development, testing, deployment, and maintenance of HR platform, ensuring stellar performance at scale.
- Designed component architecture using React, HTML5, CSS, React Native, Redux, and TypeScript to enhance code quality.
- Maintained cross-platform workforce app (React Native) and implemented Sentry for monitoring crashes and performance regressions.
- Collaborated with cross-functional teams throughout software development lifecycle to align product objectives.
- Mentored junior engineers on best practices and project methodologies.
- Optimized web application following industry best practices, achieving a Lighthouse benchmark score of 98%.
- Developed unit and integration tests with Jest and React Testing Library, achieving 75% coverage and reducing post-release bugs.
- Spearheaded R&D for an automated attendance tracking system using machine learning and AWS Rekognition, cutting manual processing time significantly.
Senior Frontend Engineer (Contract)
CraftTurf Limited
Remote
02.2023 - 08.2023
- Developed high-performance health-tech website and role-based app using React, Next.js, and Redux, achieving 97% Lighthouse score and 25% user retention increase over six months.
- Collaborated with globally distributed cross-functional team across five countries for successful end-to-end feature delivery of cloud-based software solutions.
- Optimized API interactions by integrating backend interfaces with REST and GraphQL APIs, resulting in 20% reduction in API call latency.
- Elevated code quality through Test-Driven Development (TDD), attaining 85% test coverage, and reducing post-release bugs by 17%.
- Streamlined development processes by creating reusable libraries on npm, leading to a 15% reduction in development time and code duplication.
- Increased team efficiency by engineering shell script that automates tasks, reducing manual effort by eleven times and integrating into onboarding documentation.
- Wrote shell and npm scripts to automate build/release tasks, simplifying staging deployments for QA.
Frontend Engineer
Allbase Energy
Lagos
12.2021 - 02.2022
- Delivered responsive user interfaces using HTML, CSS, and JavaScript frameworks.
- Integrated third-party APIs to enhance functionality of energy management systems.
- Collaborated with backend teams to ensure seamless API integration.
- Conducted code reviews to uphold best practices and quality standards.
- Optimized web applications for speed and scalability in energy solutions.
- Troubleshot and resolved front-end issues in fast-paced development environment.
- Utilized Git for effective source code management.
- Introduced Sentry for improved production issue visibility.
Co-founder / Frontend Engineer
Airand Technologies
Lagos
03.2020 - 12.2021
- Led front-end development for customer and admin portals, implementing Sentry for error tracking and prioritizing UX fixes.
- Developed business strategies for innovative technology solutions within industry.
- Managed project timelines and allocated resources across multiple teams to enhance efficiency.
- Collaborated with stakeholders to define comprehensive product requirements and specifications.
Software Engineer
TSL Productions
Port harcourt
01.2017 - 01.2020
- Directed strategic implementation of engineering initiatives to optimize company processes.
- Oversaw and guided engineering operations, ensuring alignment with organizational goals.
Intern
GE Oil and Gas
Lagos
01.2015 - 01.2016
- Conducted research on energy efficiency technologies and trends in the power sector.
- Supported project management by organizing meetings and documenting action items.
- Engaged in safety training sessions to ensure compliance with company policies.
- Maintained project documentation, ensuring accuracy and accessibility for team members.
Education
Bachelor of Engineering (B.Eng.) - Electrical & Electronics Engineering
University of Ilorin
Ilorin, Nigeria01.2016
Skills
- React, JavaScript, and TypeScript
- Redux and state management
- Frontend architecture and design
- Project management
- User experience optimization
- Web performance enhancement
- Git version control
- Responsive web design
- System design principles
Certification
- GitHub Copilot — Microsoft
- Complete Web Development Bootcamp — Udemy
- Software Engineering 101 — Udemy
Hobbies
Audio engineering, reading biographies , AI, graphics design, outdoor and video gaming.
Languages
English
First Language
French
Intermediate (B1)
B1
References
References available upon request.
Timeline
Senior Frontend Engineer (Contract)
CraftTurf Limited
02.2023 - 08.2023
Senior React Native Engineer (Part-time Volunteer)
Commonwealth of Zion Assembly
11.2022 - Current
Senior Frontend Engineer
AjoCard Limited
02.2022 - Current
Frontend Engineer
Allbase Energy
12.2021 - 02.2022
Co-founder / Frontend Engineer
Airand Technologies
03.2020 - 12.2021
Software Engineer
TSL Productions
01.2017 - 01.2020
Intern
GE Oil and Gas
01.2015 - 01.2016
Bachelor of Engineering (B.Eng.) - Electrical & Electronics Engineering
University of Ilorin
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