VICTOR ARINZE

Fullstack Software Engineer
Lagos, NG.

About

Highly versatile Fullstack Software Engineer with 5+ years of experience in designing and delivering web applications, mobile apps, and cloud-integrated backend systems. Proven expert in Java-based backend services, REST APIs, and modern JavaScript front-ends, adept at leveraging agile Scrum methodologies and cloud-native platforms. Committed to high code quality and continuous learning, Victor is available immediately and open to hybrid working across Lyss, Bern, and remote locations, aligning with roles seeking a blend of technical leadership and hands-on development.

Work

ITSkillsCenter
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Fullstack Software Engineer & Technical Lead

Lagos, Lagos, Nigeria

Summary

Led full-stack web application development and architecture, integrating robust Java backends with modern JavaScript front-ends, while defining technical standards and fostering continuous learning within the engineering team.

Highlights

Designed and developed full-stack web applications using Java backends with RESTful API layers and modern JavaScript front-ends (React.js, TypeScript), delivering responsive, maintainable user interfaces aligned with UX requirements.

Architected and implemented secure Java backend services, including business logic layers, data access objects, and database integration (MySQL, PostgreSQL), applying SOLID principles and design patterns throughout the development lifecycle.

Led evaluation and adoption of cloud technologies and modern Java frameworks (Spring Boot, Quarkus) for new project modules, presenting findings and architecture recommendations to technical leadership.

Defined software architecture for multiple client web application projects, establishing technology stacks, coding standards, CI/CD pipelines, and conducting code reviews to enforce stringent quality standards.

Collaborated within agile Scrum teams of 4–7 developers, actively participating in sprint planning, daily stand-ups, retrospectives, and backlog refinement, utilizing Jira for task tracking and GitHub for version control and pull request reviews.

Delivered training and TechTalk-style sessions on secure coding, web application architecture, and DevSecOps practices, fostering a culture of continuous learning and skill enhancement within the engineering team.

SEQHER (NGO)
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Fullstack Engineer & Cloud Integration Specialist

Ontario, Ontario, Canada

Summary

Engineered and maintained a mobile-first dual-portal web platform for a global NGO, integrating full-stack architecture with advanced cloud technologies to support an international user base.

Highlights

Built and maintained a mobile-first dual-portal web platform for a global NGO, designing the full stack from REST API architecture (Java/Node.js backend) to responsive front-end (HTML5, CSS3, JavaScript/React) with geo-detection and RBAC-based access control.

Integrated cloud technologies (AWS S3, Lambda, API Gateway) into platform architecture, enabling scalable file storage, serverless functions, and CDN-based content delivery for an international user base.

Developed and maintained reusable front-end component libraries and JavaScript modules, applying CSS architecture patterns (BEM, CSS modules) to ensure consistent, maintainable UI across all portal views.

Collaborated with remote, cross-functional agile teams across multiple timezones, coordinating feature development, conducting asynchronous code reviews, and maintaining clear documentation for onboarding new contributors.

WIN-VIC International
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Senior Software Developer & Systems Engineer

Nigeria, Nigeria, Nigeria

Summary

Developed and maintained Java-based backend and web application front-ends, focusing on API integrations, database management, and system module extensions for internal business management systems.

Highlights

Developed and maintained Java-based backend applications, designing service layers, REST and SOAP API integrations, database schemas (MySQL, PostgreSQL), stored procedures, and data access layers for internal business management systems.

Built web application front-ends with HTML, CSS, JavaScript, and React, creating form-driven UIs, data dashboards, and responsive layouts consumed by internal business users across the organization.

Extended and maintained existing software modules, performing impact analysis before changes, writing unit and integration tests (JUnit), and managing backward-compatible API changes to prevent regression in downstream systems.

Designed and implemented CI/CD pipelines (Jenkins, GitHub Actions) for automated build, test, and deployment of Java web applications, significantly reducing manual release effort and deployment errors.

Managed relational database architecture including schema design, normalization (3NF/BCNF), indexing, and query optimization, achieving up to 60% performance improvement on key reporting queries.

Loopout LLC
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Frontend Developer

Enugu, Enugu, Nigeria

Summary

Delivered responsive, cross-browser-compatible web application front-ends using React.js and TypeScript, significantly improving user experience and collaborating with backend and UX teams in an agile environment.

Highlights

Delivered responsive, cross-browser-compatible web application front-ends using React.js and TypeScript, implementing reusable component libraries, client-side routing, state management, and REST API integration.

Reduced initial page load time by 40% through code splitting, lazy loading, image optimization, and bundle size analysis, measurably improving user experience across mobile and desktop platforms.

Collaborated closely with backend developers and UX designers in an agile sprint cycle, translating wireframes and design specs into production-ready UI components with pixel-perfect accuracy.

Education

Federal University of Petroleum Resources Effurun

B.Eng.

Petroleum Engineering

Languages

English
German

Certificates

Cybersecurity (Network Security) Training

Issued By

Tech4Dev

Intensive Cybersecurity Training (Banking Professionals)

Issued By

Developers Foundry / Tech4Dev

Certified Cybersecurity Educator Professional (CCEP)

Issued By

Red Teams Leaders

Certified Network Security Practitioner (CNSP)

Issued By

The SecOps Group

Data Science & Machine Learning

Issued By

3MTT

CC (Certified in Cybersecurity)

Issued By

ISC2

Skills

Backend

Java (Spring Boot, REST API design, SOAP, JUnit, DAO pattern), Node.js, Python.

Frontend

HTML5, CSS3, JavaScript (ES6+), TypeScript, React.js, Next.js, responsive design, BEM.

Mobile & Cloud

Cloud technologies (AWS S3, Lambda, API Gateway, CloudFront), cloud-native evaluation (Quarkus), Docker, Kubernetes.

Databases

MySQL, PostgreSQL, MongoDB, schema design, normalization, stored procedures, query optimization.

Architecture

Software architecture definition, microservices, REST/SOAP API design, SOLID principles, design patterns.

CI/CD & DevOps

Jenkins, GitHub Actions, GitFlow, automated testing pipelines, Docker, Vault integration.

Agile & Tools

Scrum methodology, sprint planning, Jira, GitHub/GitLab, code review, technical documentation.

Security

OWASP Top 10, secure coding, API security, DevSecOps, application hardening.

Projects

IAM/GRC Dashboard

Summary

React/TypeScript single-page application with Java REST API backend - identity and access management governance tool with role-based views, audit trail, and real-time monitoring integration.

CI/CD Pipeline Architecture (WIN-VIC)

Summary

Multi-environment Jenkins pipeline with automated build, test, and deployment for Java web applications — integrated security gates, shared libraries, RBAC, and HashiCorp Vault for secrets management.

SEQHER NGO Global Platform

Summary

Mobile-first, multilingual dual-portal web application with Java/Node.js REST API backend, React.js frontend, AWS cloud integration (S3, Lambda, CloudFront), RBAC, geo-detection, CDN delivery. Full agile delivery.

SecureSense Web Application

Summary

Full-stack security platform with Next.js (React) frontend, Firebase backend, Zod-validated REST API routes, rate limiting, AI integration (Google Genkit). Deployed to production with CI/CD pipeline.

DefiGuard Exchange Desk

Summary

React.js Web3 dashboard integrating Web3.js, real-time market data APIs, MetaMask wallet connection, and on-chain transaction history - showcasing end-to-end fullstack API integration and state management.