Senior Frontend Engineer

BASHIR HAMZA *************@*****.***

Senior Frontend Engineer LN - linkedin GT - github

SUMMARY

Senior Frontend Engineer with 7+ years of experience building scalable, high-performance web and mobile applications. Skilled in React, TypeScript, JavaScript, and modern UI frameworks, with a strong focus on performance optimization, testing, and user-centric design. Experienced in leading complex projects end-to-end, including multi-tenant dashboards, B2B platforms, and fintech solutions, while collaborating across global teams. Adept at implementing CI/CD pipelines, feature-flag rollouts, and observability tools to ensure product quality and reliability. Passionate about mentoring, driving engineering best practices, and creating intuitive, maintainable interfaces that deliver measurable business impact. SKILLS

● Frontend: React, Next.js, Vue, Angular, React Native, Redux, Zustand, React Query, TailwindCSS

● Backend: Node.js, Express, NestJS, Django, Flask, PostgreSQL, MySQL, MongoDB

● Testing: Playwright, Jest, React Testing Library, Unit/Integration/E2E Testing

● DevOps & Tools: GitHub, GitLab, Bitbucket, GitHub Actions, Netlify, Vercel, Heroku, Google Cloud, Supabase

● Collaboration: Jira, Linear, Trello, Asana, Slack, Google Workspace

● Other: Project Management, Technical Documentation, CI/CD Pipelines, Automated Testing WORK EXPERIENCE

Senior Frontend Engineer, Yassir Nov 2023 - Present Yassir is a leading mobility and fintech company in Africa and MENA, serving 8M+ users across ride-hailing, delivery, and financial services.

● Worked in the B2B engineering team to design and implement ride-booking features such as multi-stop rides, book-for-later, guest booking, legal details, business challenges, repeat booking and more, used daily by over 50,000 corporate riders across multiple countries.

● Drove SonarQube cleanup, improving B2B dashboard codebase quality from E to A in security, reliability, and maintainability, reducing technical debt significantly

● Led performance optimization efforts on the B2B admin dashboard, reducing page load and data rendering times by 20%, directly improving the experience for 5,000+ active business accounts.

● Spearheaded improvements in testing practices, introducing Playwright E2E pipelines and expanding unit/integration coverage. Reduced QA regression time by 40% and accelerated CI/CD feedback loops.

● Partnered with cross-functional teams to ship localized features in Arabic, French, and English, leveraging LaunchDarkly for safer incremental rollouts across multiple regions.

● Helped resolve several technical support issues. Senior Frontend Engineer/Team Lead, Nomba May 2022 - Nov 2023 Nomba is a leading African fintech company providing banking and payment solutions to 200,000+ businesses across Nigeria and the DRC.

● Built and maintained Nomba’s component library with React + Storybook, ensuring consistency, accessibility, and faster product development across all platforms.

● Designed and implemented a restaurant menu and ordering platform that enabled merchants to digitize menus, accept orders, and process payments seamlessly, adopted by 1,000+ restaurants and food vendors within the first year.

● Optimized checkout and payment flows (card, USSD, wallet), increasing transaction success rates and reducing drop-offs. Supported millions of Naira in daily payments across food, retail, and other services.

● Improved deployment timeline for frontend systems by setting processes to occur in parallel rather than concurrently, reducing deployment time by 75% (from 1 hour to 15 minutes).

● Led testing and quality initiatives by setting up Playwright E2E pipelines and integrating them into CI/CD, cutting QA regression time by 30% and reducing production issues.

● Built reusable UI components and a merchant-facing dashboard that reduced onboarding and setup time for new businesses by 35%, improving merchant adoption and retention.

● Integrated Mixpanel analytics to track user behavior and product adoption, guiding prioritization of high-impact improvements.

● Led the creation of technical documentation that ensured proper alignment between engineers and stakeholders.

Frontend Engineer, SPSCommerce May 2020 - May 2022 SPS Commerce provides cloud-based supply chain management solutions to 120,000+ retail, distributor, and supplier partners worldwide.

● Contributed to the Assortment team, enhancing product catalog sharing features for suppliers, supporting millions of SKUs globally.

● Delivered assortment management features (upload/edit/distribute) that reduced supplier onboarding time by 20%.

● Joined migration initiative from AngularJS React + Next.js, modernizing the platform for scalability and maintainability. Migrated 50+ admin screens with minimal disruption to enterprise customers.

● Developed reusable UI components aligned with the SPS design system, improving accessibility and accelerating feature rollout.

UI Software Engineer, Invisible Technologies Apr 2019 - May 2020 Invisible is a San Francisco-based AI-first operating system for enterprises, embedding automation into core business operations.

● Built features for the Digital Assembly Line, a workflow platform managing client communications, schedules, and projects.

● Maintained and enhanced the Design System (React + TypeScript), ensuring visual consistency and reducing design-to-dev handoff time.

● Implemented user-facing features in React/TypeScript from product design specs, improving usability and performance.

● Performed code reviews and collaborated across a globally distributed team to maintain high standards of code quality.

Frontend developer Intern, Mettalloids Jan 2018 - Aug 2018

● Developed reusable Angular 2+ components with developer-friendly APIs.

● Converted wireframes and mockups into fully functional UIs.

● Wrote maintainable CSS using BEM and DRY principles. PROJECTS

The Place Online 2021

Built a food ordering platform for The Place restaurant chain with React; improved customer engagement and order conversion with a streamlined checkout flow. Mantis360 2022

Developed a React Native mobile platform for facility management, improving landlord response times by 35% and boosting engagement by 20%. Integrated Paystack/Flutterwave payments with caching/CDN, achieving 25% more successful transactions.

Etax 2023

Built a React Native tax management app, enabling mobile filing, payment scheduling, and transaction history. Integrated REST APIs with government tax systems for real-time data. Rubiks App 2023

Developed a 3D Rubik’s Cube web app (JS + CSS) deployed on Netlify. Delivered full cube manipulation controls with smooth performance, no external 3D libraries. EDUCATION

Master of Science in Software Engineering

Quantic School of Business and Technology Expected 2026

● Coursework in AI/ML, software architecture, systems design, and the intersection of engineering & business strategy.

Bachelor of Science in Computer Engineering

Obafemi Awolowo University 2015 - 2020

● Relevant coursework in Computer Science and Engineering fields.

● Industry gained knowledge outside the university for a duration of 6 months. CERTIFICATIONS & AWARDS

● React Udacity Nanodegree Advanced React Mobile Web Specialist

● Credit Card Security Security Awareness

● ALC Community Mentor Youth Service Corps

VOLUNTEERING

Consonance Club

Community Lead 2019 - Present

● Joined as a Founding member of the developer community focused on mentoring, peer learning, and knowledge sharing in software engineering and many other aspects of tech.

● Organized regular meetups, conferences and workshops to help early-career technologists to improve technical and professional skills.

Peered Camp

Javascript Instructor 2020

● Delivered hands-on sessions on core JavaScript concepts, guiding participants through building interactive web applications.

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