Winnard Arthur

Available to hire

Results-oriented Fullstack Developer with 5+ years of experience designing and scaling web, mobile, and SaaS applications. js, TypeScript, React Native, and DevOps (Docker, Kubernetes, CI/CD).

About

Results-oriented Fullstack Developer with 5+ years of experience designing and scaling web, mobile, and SaaS applications. Skilled in React, Next.js, Node.js, TypeScript, React Native, and DevOps (Docker, Kubernetes, CI/CD). Experienced in RESTful APIs, microservices, and database optimization, with a proven ability to lead teams and build AI-powered, data-driven systems that drive measurable business value

  • Joined November 2025

Industry experience

  • Software & Internet
  • Agriculture & Mining

Projects · 1

FarmSense enables agricultural organizations to map their farmers’ fields, measure key soil health indicators, and deliver actionable, science-based recommendations directly to farmers—in the field, in minutes.

KEY FEATURES

👨‍🌾 Farmer Management: Register farmers, record farm locations, and track historical soil test data.
🗺️ Field Mapping: Accurately map and measure fields using built-in geolocation tools.
⚡ Real-Time Soil Testing: Instantly capture and process soil health data.
🤖 AI-Powered Recommendations: Generate tailored nutrient management plans based on soil test results and crop type.
📶 Offline Functionality: Map and manage farmers even without an internet connection.
📊 Report Generation: Create professional soil health reports and share them via WhatsApp, email, or print.
🌱 Multi-Crop Support: Access a growing database of crop protocols for more accurate recommendations.
🔒 Data Security: All data is securely stored and backed up for your organization.

  • App Developer
  • DevOps Developer
  • Front-End Developer
  • +3

Work experience· 5 roles

Technical Lead - Fullstack (Web & Mobile) & DevOps · Sesi TechnologiesJan 2025 – Nov 2025 · 11 mos

Architected and deployed FarmSense, across-platform agriculture and soil intelligence platform built with Next.js, TypeScript, and Flutter, serving thousands of farmers and field agents. Improved deployment efficiency by 40% with Dockerized CI/CD pipelines. Directed a team of 4 engineers, achieving a 95% sprint completion rate using Agile methodologies. Automated version control and migration workflows, cutting manual effort by 70%. Aligned development goals with business strategy to improve client satisfaction.

Fullstack Developer (Contract -Remote) · McGill University – CanadaDec 2024 – Dec 2024 · 1 mo

Built and deployed two production applications using Next.js, Node.js, and MongoDB. Designed dashboards for real-time order tracking and analytics across multiple campuses. Enhanced performance by 35% via backend optimization and API caching.

Senior Frontend Developer · Sesi TechnologiesDec 2024 – Dec 2024 · 1 mo

Developed Agromarket Dashboard and customer store with React, Next.js, and Tailwind CSS, increasing adoption by 60%. Mentored developers, improving delivery throughput by 30% and ensuring consistent code quality. Authored comprehensive documentation and collaborated closely with design/backend teams.

Frontend Developer · Sesi TechnologiesOct 2023 – Oct 2023 · 1 mo
Fullstack Developer Intern · Waiterio LLCMay 2022 – May 2022 · 1 mo

Education

BSc. Chemical Engineering · Kwame Nkrumah University of Science and Technology (KNUST)2018 – 2022

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