Okechukwu Eze

In my consulting role, I assist in managing and upgrading their existing application, ensuring seamless integration for new engineers, and optimizing system performance to meet evolving business demands. - Developed and integrated AI-powered features to optimize user engagement and business profitability. - Lead system enhancements and performance optimizations to meet new customer and business needs - Identify and resolve critical bugs in real-time, ensuring minimal downtime. - Migrate legacy components to modern, scalable architectures, enhancing maintainability. - Mentor and onboard new engineers on integrating with Grupa’s application ecosystem. - Conduct sprint planning, retrospectives, and backlog grooming with both new and existing engineers - Oversee task tracking using JIRA, ensuring timely and efficient development cycles. - Advocated and implemented microservices to decouple and modularize the application. - Enforced ReactJS, VueJS, and Laravel best practices for maintainable and high-performance codebases - Designed and implemented end-to-end testing strategies using Cypress, Jest, and React Testing Library - Managed AWS (EC2, RDS, Load Balancers) and Heroku for scalable cloud deployment. - Implemented CI/CD pipelines for automated testing and seamless deployment.

- Core Bank App feature implementations 1. API integration to adhere to all CBN guidelines, such on transaction limits, KYC, NINCUserID, NIN, security protocols, Tiers, data privacy regulations etc 2. Familiar with NIPS specification for instant interbank transfers 3. Comply with ESF requirements on data formats, authentication methods, and error handling etc 4. Integration with 3PP Channels into MOMO API 5. KYC knowledge in API workflows (customer info, identity verification, data security) 6. Seamless integration with financial services on the MOMO App 7. Integration and Interaction with EWP (Ericsson Wallet Platform) API specifications, protocols and data models using NodeJs, NestJs & Prisma - Develop and enhance large-scale systems using both old and moden technologies by 1. Planning and Design 2. Re-useable Component Creations 3. Layout Styling 4. Platform-Specific Styling 5. Testing and Debugging 6. Handling Orientation Changes 7. User Feedback and Iteration - Applyed my knowledge on design patterns, arhitectural principles and best practise to the Momo App 1. Component-Based Architecture 2. State Management 3. Responsive and Mobile-First Design 4. Code Linting and Formatting. 5. SOLID principle This practise help reduce dependencies so that one can make a change in one area of the app without it impacting others. Improve code maintenance and extension. - Maintain existing system and develop new functions as required - Experienced with TDD/BDD development, UI Tests, API Testing: Mocks, Stubs, using Junit; - Good vision of quality, scalability, performance, security, and function on the Momo App - Integration with third party apps ranging from TV, Betting, Electricity, Juma, Kwiki e.t.c - Refined the MomoPay tranfer and leave a tip module - Collaborate with project leaders and other stakeholders to get projects done on time with high quality

• Led the development of a headless commerce multi-vendor marketplace using React, NestJS, MedusaJS, and TypeScript, providing seamless transactions between consumers, businesses, and service providers. Played a senior role in the marketplace project, managing engineering activities, providing APIs to frontend engineers, and collaborating with the DevOps team to automate workflows and actions. • Revitalized the PayS B2B platform using Node.js, Express.js and TypeScript, improving daily transactions to over a millions and onboarding almost 10 businesses such as such as Shago Payments Limited, PalmPay, eTranzact International PLC, GreyStone Power Corporation, VFD Microfinance Bank, Remita, and OPay resulting in over 25% revenue boost. • Built an automated payout module for payS B2B platform, calculating business profits from commissions on all products sold, ensuring accurate monthly settlements (Crone Job T+1 Bases) • Integrate with EKO, Ikeja Electric & PayOrBorrow by creating a REST APIs for energy, data and Airtime (MTN, GLO, Airtel, 9Mobile) in a distributed Micro-Service infrastructure. NestJS and Typescript, reducing response times by 30% using efficient database queries and Docker for containerization. • Played a key role in driving the company’s monthly revenue to over 1 billion Naira monthly, with peak months exceeding 2 billion, by optimizing API performance and scaling backend infrastructure. • Developed Bulk Payment APIs as a Micro-Service for energy services, enabling batch purchases for up to 300 meters and processing it as a queued job using Redit, SQS/SNS, TypeScript e.t.c • Worked with the DevOps team on AWS infrastructure, including RDS, Lamda, Firebase, GCM, Load balancing and clustering, while optimizing CI/CD pipelines with Git and automating tests with Sonaque and Jest to mention a few, • Mentored junior engineers and led architecture improvements, including implementing redundancy and disaster recovery strategies to enhance system reliability.

● Built an enterprise standard Mobile App using React Native ● Integration of mobile app with Server-less Infrastructure using Firebase, Firestore, Auth, Functions e.t.c ● Built a robust Admin Portal with CMS capabilities to manage the STOW Mobile App using ReactJs ● Manage a development team of four in building the STOW application ● Introduced CI/CD to Octo5 Holding Development team ● Training the junior programmers on some key software development principles ● Achievement: Launching of the STOW app (Android & iOS) and a robust admin backend system ● Technologies: ReactJs, React-Native, Redux, Firebase, Play Store, App Store, ErpNext, Send Grid, FCM, Node,

- Convert Figma designs to mobile app using React-Native - Consume Postman API documentation on mobile and web app level - Build an Android and iOS mobile app - Push update to Git branch and initialize a pull request were applicable - Follow ReactJS & React-Native best practices - Run Test (Unit, Integration & End-to-end) using CyPress, Jest and react-testing-library - Technologies: ReactJs, Cypress, React-Native, Socket-io, React-Query, Redux, Git e.t.c

BetBank is a unique gaming system that employs artificial intelligence (AI) in determining the outcome of popular football matches. ● Define project expectations and breaking it into individual task on Jira as backlogs ● Developed a smart digital app that uses AI to predict the outcome of a match using React-Native. ● Develop a lightweight Restful API using Lumen Micro-Services and an Admin Backend using Laravel ● Develop a web version of Betbank app using ReactJs, Redux and other packages ● Integrated Betbank with FCM for easy push notification services ● Built a CI-CD architecture into the App to receive automated app updates using App-Center via Code Push ● Configure and Hosted the Betbank app suit to Cloud on AWS using Amazon EC2, RDB, Load Balancers e.t.c ● Payment gateway integration into the Betbank app for PayPal and Paystack ● Integration of the Betbank App with Google Play Billing Service using Google Pay ● Code versioning practice using Github and BitBucket ● Uploading the Betbank app to Google Play store. ● Achievement: launch of a smart digital product call Betbank with over 5,000 users and counting.

Develop and managed ecommerce platform using OpenCart framework  Planned and managed marketing strategy mix including SEO, Influential approach, Email, SMS as well as affiliating.  Analyzed site performance and initiated improvements, including merchandising efforts, technical projects, and creative changes  Providing 1st/ 2nd line support to clients

We-Learn is a learning app that provides on-the-go access to Training Content & Materials; Knowledge Repository and other enhancing tools for the purpose of achieving right learning to staff to improve superior performance. Build an iOS app Build an Android App

Project management Deign, Development and deployment of ecommerce platform team lead SEO optimization strategy implementation Recruitment of staff to manage the day to day processing of the platform Store @ www.likeparadise.com.ng

Customization and Deployment of elearning tool for IBFC with an eCommerce engine integration

Development and Deployment elearning tool (Doux LMS) for ICSL with an eCommerce engine integration to enable them sale courses/lessons on the LMS. LMS Modules: Content Friendly, AI-powered educational content generation, Assessments Engine, Surveys engine, Scorm & TinCan (xApi), Re-usable content, Courses marketplace, Files repository, Social Learning Certifications Learning paths and tracking Blended learning Curriculums Gamification Learner Collaboration Tools (Videoconference) Mobile learning Reporting Skill gap testing Jobs User Types Single Sign-on Security and Compliance, Integration with Third-Party Tools Payment gateways Scalability & Compatibility

Developed an application to help the Emmanuel Eminike Future XI showcase the selected 32 teams for the tournament, updates scores, preview match and fixtures and also update news

Developed a custom application called KMS to make knowledge easily accessible to the entire company

Confidential

Determines operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions. Documents and demonstrates solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code. Prepares and installs solutions by determining and designing system specifications, standards, and programming. Improves operations by conducting systems analysis; recommending changes in policies and procedures. Obtains and licenses software by obtaining required information from vendors; recommending purchases; testing and approving products. Protects operations by keeping information confidential. Provides information by collecting, analyzing, and summarizing development and service issues. Accomplishes engineering and organization mission by completing related results as needed. Develops software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development life-cycle.

Development and Deployment of an eLearning tool (Doux LMS) for IIT