Clinton Agada

Clinton Agada Abuja, Nigeria LinkedIn | GitHub | Portfolio SENIOR SOFTWARE ENGINEER Senior Software Engineer with 8 years of experience leading impactful initiatives across Healthcare, eCommerce, and Enterprise Architecture SaaS. Proven track record of success driving measurable results through strategic execution and cross-functional collaboration. Expert in TypeScript, JavaScript, PHP, Golang, React, Next.js, with demonstrated ability to optimize processes, accelerate delivery timelines, and align stakeholder objectives with business outcomes. Skilled at managing complex projects from conception to completion, facilitating team collaboration, and implementing best practices that enhance operational efficiency. TypeScript React Node.js PostgreSQL Docker SKILLS AND EXPERTISE JavaScript Next.js Express GraphQL AWS Tailwind CSS Redux Jest React Testing Library Micro-frontends CORE COMPETENCIES Technical Expertise: Frontend Development & UI/UX Design | Component Libraries & Design Systems | API Development & Third-Party Integrations | Software Implementation & Testing Leadership & Collaboration: Technical Leadership & Mentorship | Cross-Functional Collaboration | Problem Solving & Process Optimization | End-to-End Feature Ownership PROFESSIONAL EXPERIENCE Senior Frontend Engineer • Utrecht, Netherlands October 2022 – December 2025 ValueBlue Built new BPMN 2.0 editor from scratch, replacing legacy editor with UI/UX design, bpmn-js integration, BPMN 2.0 validation, seamless import/export. Developed migration tool with BPMN 2.0 compliance checking and pre-conversion review interface, enabling modern BPMN 2.0 workflows with zero data loss, reducing migration time from weeks to days. Complete frontend UI for AI Assistant (Knowledge Assistant, AI Describe). Built user interface components, chat interface, integrated with server-side AI services, context-aware UI responses, significantly reducing support tickets. Complete repositories page with advanced datatable (bulk inline edits, filtering, sorting, search). Data visualization layer, backend API integration, enabling data-driven decision-making and improved user workflows. Redesigned and rebuilt surveys feature, replacing guest link system with modern integrated solution. Streamlined survey creation, distribution, data collection workflow, resulting in 40%+ adoption surge, enhanced data integrity, and enabled legacy system sunset. Senior Software Engineer (Part-time Consultant) • San Diego, CA July 2021 – July 2025 Ishi Health Complete platform database migration from MongoDB to PostgreSQL with zero-downtime strategy, two-way real-time data synchronization. New API architecture, retired legacy services, resulting in 30%+ operational cost reduction, optimized query performance, and more reliable platform. Optimized page load times by 70% through architecture simplification, React Router data loaders, consistent React Query usage, code splitting, lazy loading, reducing load time from ~15 seconds to under 5 seconds. Consolidated module-federated apps into single application (2 repos to 1), enhanced developer experience, simplified codebases, mentored 3 junior developers, leading to optimized performance on all pages and successful team growth. Senior Full Stack Software Engineer • New York, NY November 2020 – October 2022 Function Growth Architected and built full-stack Laravel application for replacement requests from scratch, automated replacement requests with personalized upsell, manual management system. Integrations: Shopify, Zendesk, Gladly, Gorgias, resulting in 3x+ ticket resolution surge, 70%+ requests automated, and $1M+ annual upsell revenue. Implemented customer personalization initiatives using Klaviyo integrations, personalized shopping experience, targeted promotions. Custom promotional and personalization logic, Klaviyo API integration, complex business rules, leading to 20%+ conversion boost, 10% promotion revenue growth, and strengthened customer retention. Software Engineer • New York, NY July 2018 – December 2020 Andela Developed product cart system, recommendations engine, and cross-sell features for Omaze Fundraising Platform. Checkout optimization (40% click reduction). Shopify migration (15% cost reduction), resulting in 30% annual revenue growth. EDUCATION B.Eng., Electrical & Electronics Engineering (2014) Federal University of Agriculture, Makurdi, Nigeria PROFESSIONAL DEVELOPMENT Advanced React for Enterprise: React for Senior Engineers Software Architecture & Design of Modern Large-Scale Systems The Complete Guide to Becoming a Software Architect Application Security - The Complete Guide The Art of Mentorship: How to Become an Impactful Mentor