Jerry Isuwa Makeri

MAKERI JERRY ISUWA SOFTWARE ENGINEER/ BACKEND DEVELOPER/ SYSTEM ADMIN/WEB DEVELOPER - |-| www.linkedin.com/in/jerryisuwamakeri CAREER SUMMARY Results-driven Backend Developer and Server Administrator with over 5 years of experience designing, developing, and deploying scalable backend systems and managing complex server environments. Known for building resilient digital infrastructures and delivering secure, highperformance backend solutions using Java, Laravel, Node.js, and cloud technologies. Deeply experienced in both SQL and NoSQL databases and recognized for technical leadership, collaborative development, and strong documentation practices. Demonstrated ability to lead infrastructure overhauls, develop RESTful and event-driven APIs, optimize server-side performance, and integrate third-party services. Versatile across various programming environments with hands-on DevOps knowledge and solid background in agile workflows, CI/CD automation, and Linux-based systems. PROFESSIONAL EXPERIENCE Backend Developer (Fueling System/CNG Centre) Fuel Smart Nigeria Limited — Abuja, Nigeria (Contract) January 2025 – May, 2025 Spearheaded the development of an integrated Fueling Station and CNG Centre Management System. • Engineered the backend using AWS, NodeJS, and MySQL for real-time station data, billing, and customer management. • Developed modules for fuel stock control, pump usage tracking, staff shifts, sales records, and CNG scheduling. • Integrated the system with fuel dispensers and hardware APIs for automated input and telemetry capture. • Designed analytics dashboards to help station managers visualize operational metrics and reports. • Enforced clean architecture principles with modular design, layered security, and reusable components. • Provided technical documentation and coordinated with hardware teams for API calibration. Server Administrator & Web Developer Sustena Energy — Abuja, Nigeria (Contract) December 2024 – March 2025 Built and deployed a digital platform to support CNG logistics, conversion scheduling, and virtual pipeline distribution. • Implemented custom SDKs and RESTful endpoints for integration with logistics tools. • Created scalable infrastructure with data-driven dashboards for operations control. • Ensured platform compliance with security and data privacy regulations Server Administrator & Web Developer (Contract) Brand You Digital — Dublin, Ireland (Remote) January 2024-December 2024 Managing a suite of 500+ websites across 10+ Linux-based servers. • Automated routine maintenance, system updates, and backups. • Diagnosed performance issues, resolved full-stack errors, and maintained DNS and SSL certificates. • Handled custom email configurations, server migrations, and incident response planning. Web Developer Allgreenplanet — Ibadan, Nigeria (Contract) September 2024 – December 2024 Developed an e-commerce site selling biodegradable products and sanitary goods. • Created RESTful APIs, integrated payment gateways, and improved order flows. • Deployed backend services for subscriptions, contact management, and product cataloging. • Collaborated on SEO enhancements and social marketing widgets. Backend Engineer Lonepay Africa — Lagos, Nigeria (Contract) June 2024 – October 2024 Designed and managed a secure payment gateway for African merchants. • Built microservices for wallet funding, user management, and reconciliation using Node.js and TypeScript. • Conducted third-party bank and fintech API integrations. • Led DevOps strategy for continuous deployment and zero-downtime upgrades. Backend Developer Gnpay Africa — Abuja, Nigeria (Contract) March 2024 – May 2024 Developed the backend for a Buy-Now-Pay-Later platform. • Managed PostgreSQL database schema and indexes for performance. • Implemented KYC flows, credit scoring logic, and scheduling of payments. • Contributed to frontend TypeScript integration and API documentation. Web Developer (Contract) Afrostreet Festival — Nigeria (Going through revamp) June 2021 Built digital ticketing and merchandise platform for a cultural event. • Integrated payment APIs including Flutterwave and Paystack. • Increased average session time by 2x and reduced bounce rate by over 30%. Server Administrator & Developer (Contract) Ladi Morals Integrated Farms Ltd — Nigeria April 2020 Launched and maintained internal systems for agricultural logistics and digital tools. • Refactored legacy systems for performance and mobile responsiveness. • Developed tracking tools that reduced delivery error rates and time-to-resolution. • Led hiring and training of junior developers and technical support staff. EDUCATION BACHELOR’S DEGREE Kaduna State University Crop Genetics and Engineering- Corporate Affairs Institute CERTIFICATE 2021 Careers in Commercial Banking Corporate Affairs Institute CERTIFICATE 2021 Accounting Fundamentals AWS Certification CERTIFICATE Developer Associate 2024 TOOLS, STACKS AND SOFTWARE Languages & Frameworks: Java, PHP, Elixir, JavaScript (React, Vue, Angular, Svelte), Node.js, Laravel, Ruby on Rails, TypeScript, ASP.NET Core, Python (Basics) Databases & Data Handling: MySQL, PostgreSQL, SQLite, MSSQL, MariaDB, OracleDB, MongoDB, Firebase, Supabase, Redis, IndexedDB, GraphQL, SQL, NoSQL DevOps & Cloud: AWS (EC2, S3, RDS, CloudWatch), WHM/cPanel, Docker, NGINX, Heroku, Vercel, Netlify, Linux (Ubuntu/CentOS), GitHub Actions, Bitbucket Pipelines CMS & Platform Tools: Strapi, Botble, Webflow, Ghost, Shopify Design & Productivity: Figma, Canva, Microsoft Office Suite, Notion, Trello, Tableau, Slack Testing & Documentation: Postman, Swagger, Mocha, Chai, Jest, Insomnia, GitHub Wiki Principles & Methodologies: Agile/Scrum, KISS, DRY, YAGNI, SOLID, TDD, CI/CD Other Tools: Git, GitHub, Bitbucket, Jira, Slack, REST APIs, GraphQL APIs, SDK Integrations COMMUNICATION Excellent communication skills enable me to collaborate with clients, stakeholders, and cross-functional teams to deliver high-quality results LEADERSHIP Mentor junior developers, coordinate project tasks, and implement best practices to ensure timely delivery of high-quality applications.