Full-Stack Engineer - MERN & Business Systems

BOLUWATIFE OLAWUYI

Full-Stack Engineer — MERN, Cloud Deployment (AWS/Azure) & Business Systems (Zoho, HoduCC) Lagos, Nigeria +234-***-***-*** ******************@*****.*** olawuyiboluwatife.com linkedin.com/in/olawuyi-boluwatife-3088632b8

github.com/tifewalker

PROFESSIONAL SUMMARY

Full-stack engineer with 5+ years of experience architecting, building, and deploying production web and mobile applications on the MERN stack. I lead development of KONECT Worksuite, a multi-module SaaS platform deployed to production on AWS (EC2, S3), and have shipped fintech and payments systems end-to-end including XPay, deployed on Microsoft Azure. Alongside this, I implement CRM and business systems (Zoho CRM Plus, HoduCC call center deployments) for financial services clients, unifying fragmented, multi-channel support operations into single, automated systems. Comfortable owning a project from business requirements through architecture, implementation, deployment, and delivery, solo or leading a small team. TECHNICAL SKILLS

Full-Stack Development: React.js, Next.js, TypeScript, JavaScript (ES6+), Node.js, Express.js, MongoDB, Redis, Tailwind CSS, Zustand, Redux

Cloud & Deployment: AWS (EC2, S3), Microsoft Azure — production app deployment and infrastructure setup to an advanced level Mobile: Flutter (Dart), Firebase

Testing & Quality: Jest, React Testing Library, Cypress (familiar), manual QA test-plan design (115+ test cases), regression testing Automation & Integration: Webhooks, REST APIs, GraphQL (basic), Socket.io (real-time), Third-Party System Integration CRM & Business Systems: Zoho CRM Plus, Zoho Desk, Zoho SalesIQ, Zoho Analytics, Zoho Projects, Zoho Invoice, Guided Conversations

(WhatsApp bot flows)

Call Center & Telephony: HoduCC, IVR Configuration, SIP/VoIP, Call Routing & Disposition Frameworks Systems & Infrastructure: Linux server administration, VMware/Hyper-V, Synology NAS & Veeam backup CMS & E-Commerce: WordPress, Elementor, WooCommerce, Paystack integration Tooling & Methodology: Git/GitHub, Vite, Webpack, Agile/Scrum PROFESSIONAL EXPERIENCE

Application Engineer Creastech LimitedJan 2024 – Present

• Lead development of KONECT Worksuite, a multi-module React/TypeScript SaaS platform (CRM, Help Desk, Live Chat, Email Campaigns, Projects, Invoicing, Analytics, AI chatbot) built for the Nigerian SME market, deployed to production on AWS EC2 with S3 for storage.

• Built a full analytics dashboard, a dynamic permission-driven sidebar (role-based module access), and a visual workflow/flow builder

(ReactFlow) using React, TypeScript, Tailwind CSS, and Zustand — enabling non-technical users to configure conversation flows with agent-handoff logic.

• Authored a formal QA test plan (115 test cases across 10 sheets) covering authentication, 2FA, and profile API surfaces, improving regression coverage ahead of release.

• Delivered 5+ additional React/Next.js client web applications, achieving ~40% faster load times through code splitting, lazy loading, and image optimization.

• Implemented Zoho CRM Plus for a Nigerian financial services company, unifying social media, WhatsApp, live chat, and email into one system with automated departmental routing, webhook integrations, and a single cross-channel analytics dashboard replacing a fragmented, multi-app workflow.

• Configured Zoho CRM Plus alongside a full HoduCC call center deployment (including IVR) for a Nigerian microfinance bank, connecting call handling directly into the CRM so agents work from one system instead of switching tools.

• Managed Linux servers and VMware/Hyper-V virtualization environments; provided Tier-2 application support for 50+ users. Freelance Web & Systems Developer Self-Employed (Walker-Tech)Jun 2022 – Present

• Delivered 20+ custom WordPress and React-based websites for SMEs, all SEO-optimized and fully mobile-responsive.

• Integrated third-party APIs including payment gateways, analytics platforms, and CRM systems, improving client workflow efficiency by 30–70%.

• Provided ongoing maintenance, security patching, and performance tuning, maintaining 98% average uptime across client sites. Web Designer & Blogger A-Tech SolutionJan 2022 – Jul 2022

• Designed and developed business-focused websites with on-page SEO optimization, increasing organic traffic by 45% within three months.

• Produced technical blog content and tutorials attracting 5,000+ monthly visitors. Computer Instructor Hoptec ServicesNov 2021 – Mar 2022

• Trained 200+ students on Microsoft Office Suite and IT fundamentals; 85% of students achieved proficiency certification. KEY PROJECTS

KONECT Worksuite — Multi-Module SaaS CRM Platform

React · TypeScript · Next.js · Node.js · Express · MongoDB · Redis · Socket.io · Zustand · Jest · AWS (EC2, S3)

• Leading development of a MERN-stack, multi-tenant SaaS suite (CRM, Help Desk, Live Chat, Email Campaigns, Projects, Invoicing, Workflows, Analytics, AI chatbot) targeting the Nigerian SME market, with a roadmap to expand across Africa and internationally.

• Built real-time features (notifications, live chat) with Socket.io and Redis pub/sub, and hardened auth/session logic (JWT, 2FA, role-based access control), fixing a privilege-escalation bug where module-admins could incorrectly gain super-admin rights.

• Deployed and manage the production environment on AWS EC2, with S3 for object storage. SecureLoan — Loan Processing & Risk Management System React · TypeScript · Node.js · Express · MongoDB · Flutter · Paystack · JWT

• Designed and built a full-stack loan and investment platform (web admin dashboard + Flutter borrower app) replacing manual, spreadsheet-based loan processing with rule-based approval workflows, borrower verification, and end-to-end lifecycle tracking from application through disbursement to repayment.

• Implemented automated credit-scoring logic, KYC document upload, and Paystack repayment collection processing 500+ monthly transactions; the companion Flutter app reduced default follow-up calls by ~35%. XPay — Payment & Transaction Management System

React · Node.js · Express · MongoDB · Flutter · Webhooks · REST APIs · Microsoft Azure

• Led development of XPay end-to-end — both the web platform and the Flutter mobile app — replacing fragmented, manual payment handling with real-time transaction tracking, automated validation workflows, and webhook-based integrations with internal business tools.

• Deployed the platform to production on Microsoft Azure. CRM & CALL CENTER IMPLEMENTATIONS

A Nigerian Financial Services Company — Unified CRM & Support Automation Zoho CRM Plus · Zoho Desk · SalesIQ · Zoho Analytics · Webhooks

• Unified social media, WhatsApp, live chat, and email into one Zoho CRM Plus system with automated departmental routing, webhook integrations with internal and third-party applications, and a single cross-channel analytics dashboard — replacing a workflow where agents worked across 4+ disconnected apps per customer. A Nigerian Microfinance Bank — CRM & Call Center Integration Zoho CRM Plus · HoduCC · IVR Configuration

• Implemented Zoho CRM Plus alongside a full HoduCC call center deployment, including IVR configuration, and connected the call center directly into CRM Plus so agents handle calls from within the same system instead of switching tools. EDUCATION

BSc Software Engineering (In Progress) — MIVA Open University 2025 – Expected July 2027

HND Computer Science — Lagos State Polytechnic

2020 – 2023

Relevant coursework: Data Structures, Web Development, Database Management, Software Engineering ADDITIONAL INFORMATION

Collaboration & Methodology: Experienced in Git workflows, code reviews, and Agile/Scrum methodologies; skilled at translating technical and business requirements between stakeholders and engineering teams. Languages: English (Professional, fluent)

References: Available on request.

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