Available to hire
I’m Joshua Vianana, a creative and performance-driven Front-End Developer with over 4 years of professional experience building responsive, high-performing, and visually engaging web applications.
I excel in React.js, WordPress, and Shopify, delivering data-driven UI/UX improvements, faster page loads, and better SEO. I enjoy turning design concepts into intuitive interfaces using tools like Figma, Tailwind CSS, and REST/GraphQL APIs, and I’m passionate about clean code, accessibility, and delivering seamless digital experiences that align with business goals.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
E-Commerce Developer (Contract Role) at PRO FIT BUYZ LLC
January 1, 2025 - December 1, 2025Designed and developed a fully responsive B2C storefront, driving a 45% increase in monthly sales. Integrated secure payment gateways (Flutterwave, PayPal), streamlined checkout, and built landing pages and product templates. Connected CRM and Mailchimp for marketing, built a WooCommerce-based grocery store with inventory sync and delivery tracking. Created interactive product catalog components using React for improved navigation and real-time updates.
Front-end Developer | Software Support Engineer at HAVEN AFRICA
March 1, 2024 - January 31, 2025Developed custom WordPress themes and plugins, optimized site speed for Core Web Vitals compliance, reducing load times by up to 5 seconds. Implemented API integrations (REST/GraphQL) to connect WordPress with external systems like CRM and payment gateways. Automated security protocols to reduce vulnerabilities and ensured industry standards. Built e-commerce features with WooCommerce, aided in authentication flows. Collaborated with back-end teams using REST/GraphQL to feed React components with dynamic data. Conducted A/B testing that boosted user engagement by 15%. Created reusable React components to improve frontend modularity and development efficiency.
Front-end Developer | Software Support Engineer at Haven International Group
March 1, 2022 - January 31, 2024Designed and developed custom WordPress websites for clients across multiple industries. Provided technical support for website users, resolving plugin conflicts, performance issues, and security threats. Enhanced website loading speed using caching, image optimization and code minification. Implemented progressive web app (PWA) features using service workers and manifest files, enabling offline functionality and boosting mobile user retention by 25%. Configured and maintained WooCommerce stores, improving conversion rates through UX enhancements. Improved SEO rankings and website performances, increasing organic traffic by 20%. Developed single-page application features with React JS, enabling smoother user transitions and faster load times.
Frontend Developer (Intern) at 21st Century Evolutions Limited
November 1, 2020 - January 31, 2022Developed custom JavaScript libraries for form validation and animations, reducing bug reports by 30% and improving cross-browser compatibility. Worked with developers to test and deploy software updates and patches. Provided level 1 and 2 technical support for web-based apps and SaaS platforms. Participated in Agile sprints, contributing to code reviews and pull requests that accelerated deployment cycles by 20%. Assisted in ongoing technical support and maintenance, ensuring site security and uptime. Implemented React JS for building interactive dashboards, facilitating better data visualization and user interaction during development sprints.
E-COMMERCE DEVELOPER (Contract Role) at PROFIT BUYZ LLC
January 1, 2025 - December 31, 2025Designed and developed a fully responsive B2C storefront leading to a 45% increase in monthly sales. Integrated secure payment gateways (Flutterwave, PayPal) and streamlined the checkout process. Custom-coded landing pages and product detail templates. Connected CRM and email marketing tools (Mailchimp). Developed a WooCommerce-based grocery store with inventory sync and delivery tracking. Built interactive product catalog components using React JS, enhancing navigation and real-time updates.
Front-End Developer | Software Support Engineer at SEF AFRICA
March 1, 2024 - January 31, 2025Designed and developed custom WordPress themes and plugins, improving site functionality and user experience. Optimized site speed and performance, achieving Core Web Vitals compliance and reducing load time by 5 seconds. Implemented custom API integrations enabling seamless communication between WordPress and external systems such as CRM and payment gateways. Automated website security protocols, reducing vulnerabilities and ensuring compliance with industry standards. Developed e-commerce sites with WooCommerce and integrated payment gateways and user authentication. Collaborated with backend teams using RESTful APIs and GraphQL to integrate dynamic data into React components, improving real-time interactions. Conducted A/B testing on UI elements, resulting in a 15% improvement in user engagement metrics.
Front-End Developer | Technical Support Engineer at HAVEN INTERNATIONAL GROUP
March 1, 2022 - January 31, 2024Designed and developed custom WordPress websites for clients across multiple industries. Provided technical support for website users, resolving plugin conflicts, performance issues, and security threats. Enhanced website loading speed using caching, image optimization, and code minification. Implemented Progressive Web App (PWA) features with service workers and manifest.json, enabling offline functionality and boosting mobile user retention by 25%. Collaborated with backend teams using RESTful APIs and GraphQL to integrate dynamic data into React components, enhancing real-time interactions.
Education
Advanced Diploma in Software Engineering (A.D.S.E) at APTECH Computer Education
March 1, 2018 - July 1, 2021Bachelor's degree in Information Technology at National Open University
January 1, 2020 - January 1, 2023Advanced Diploma in Software Engineering (A.D.S.E) at APTECH Computer Education
March 1, 2018 - July 1, 2021Bachelor's Degree in Information Technology at National Open University
January 11, 2030 - January 1, 2023Qualifications
Jobberman Soft Skills
January 1, 2021 - January 1, 2021Aptle Learn UI/UX Design
January 1, 2023 - January 1, 2023WordPress Skill Certification
January 1, 2020 - January 1, 2020Cisco Networking Certification
January 1, 2024 - January 1, 2024Jobberman Soft Skills
January 1, 2021 - June 20, 2026Aptlearn UI/UX Design
January 1, 2023 - June 20, 2026WordPress Skill Certifications
January 1, 2020 - June 20, 2026Cisco Networking Certification
January 1, 2024 - June 20, 2026Industry Experience
Software & Internet, Professional Services, Media & Entertainment, Retail, Education
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Hire a Web Developer
We have the best web developer experts on Twine. Hire a web developer in Lagos today.