Jeffrey Efosa Okooboh
Senior Full-Stack Software EngineerCS/Eng Graduate
University of Benin, Nigeria
Biography
Jeffrey Efosa Okooboh is a result-oriented full-stack developer skilled in creating high-performing, user-focused websites using modern web technologies. Collaborative team player with strong communication skills, eager to learn and adapt to evolving technical environments.
Beyond his technical expertise, he is passionate about mentoring young developers and guiding them toward successful careers in tech. As a church community leader, he also dedicates his time to spiritual leadership, teaching, and empowering individuals to reach their full potential in their personal lives.
Recently collaborated with a team to build Kayve, a new app in Denver, US, designed to fight male loneliness in the digital age.
Interests
- Software Engineering
- Blockchain technology
- Artificial intelligence
- Cloud Networking & Security
Education
- Bachelor of Engineering (First Class Hons) in Computer Engineering
- The University of Benin, Nigeria
- (Best Graduating Student Award Winner)
Skills
DevOps
AWS | Azure | GCP
Typescript
Next.js | React native | Node.js
Python
Django | Flask
Databases
SQL(postgres, mysql) | noSQL(mongodb, dynamoDB)
Version Control
Git | Bit bucket
CMS
Wordpress | Strapi
Experience
Senior Software Engineer
Kayve
February 2024 – January 2025
- Built and maintained applications using React, React Native, Expo, Typescript enhancing user experience and performance.
- Configured and managed serverless architecture using AWS Lambda, API Gateway, S3, and CloudWatch to optimize application performance and monitoring.
- Successfully configured CI/CD pipelines to automate deployments, managing secrets and configuration files for seamless staging and production environments.
- Wrote smoke tests using postman for lambda functions APIs and detox for mobile app test
- Implemented dynamic push notification features, boosting app interaction by 70%.
- Integrated and customized Amity Social SDK for chat functionalities, aligning with design specifications to enhance user engagement.
- Designed and developed an admin dashboard for efficient user management, including search, filter, and pagination functionalities, with automated Firebase user management.
- Admin Dashboard Development: Designed and developed an admin dashboard for efficient user management, including search, filter, and pagination functionalities, with automated Firebase user management.
- Implemented cost saving strategies for cloud services reducing AWS cost by 15%.
AWS Lambda | Node.js | AWS CloudWatch | AWS Serverless Application Model | React native expo | Amity SDK
Senior Software Engineer
Freexit Technologies
July 2022 – February 2024
- Led the development of a customer-facing insurance portal using React and Next.js, reducing onboarding times by 30%.
- Designed and implemented backend microservices in Node.js using Express.js, NestJS, and Kafka, reducing API response time by 40%.
- Developed a real-time claims tracking system using WebSockets and GraphQL, improving user engagement.
- Integrated dynamic form validations and interactive dashboards with Redux, Formik, and TailwindCSS.
- Conducted in-depth code reviews and pair programming sessions, ensuring adherence to industry best practices.
- Spearheaded the migration of legacy applications to microservices architecture, improving scalability and maintainability.
Node.js | NestJS | Kafka | TailwindCSS | WebSockets
Senior Software Engineer
Muzzlab Technologies
Dec 2021 – June 2022
- Created a customer analytics dashboard in React and Redux, allowing executives to track key performance indicators in real-time.
- Optimized existing RESTful APIs in Node.js and Django, reducing database query time by 50%
- Designed and implemented an automated billing system using Flask, leading to a 30% reduction in manual invoice processing.
- Migrated monolithic services to containerized microservices with Kubernetes, enhancing deployment efficiency.
- Conducted penetration testing and implemented security best practices, reducing system vulnerabilities by 40%.
React | Redux | Flask | AWS
Software Engineer
Wisper Communications Limited
Dec 2020 – Feb 2022
- Developed and maintained backend microservices using Python (Django, FastAPI), ensuring high scalability and performance.
- Built frontend interfaces using React and Vue.js, optimizing UX with Ant Design (AntD).
- Designed and optimized RESTful and GraphQL APIs for seamless data exchange between frontend and backend, leading to a 35% faster load time.
- Developed reusable component libraries and enhanced the UI/UX with Vue.js and React.js, improving consistency across applications.
- Implemented automated testing and CI/CD pipelines using GitHub Actions and Docker, reducing deployment time by 50%
React | Django | PostgreSQL | Docker | AWS
Full Stack Developer
Freelance
July 2018 – August 2020
- Developed high-performance and mobile-responsive user interfaces using React and Vue.js for various clients.
- Built and maintained RESTful and GraphQL APIs using Node.js (Express.js), Python (Django, Flask), and Ruby on Rails, ensuring seamless backend functionality.
- Led multiple e-commerce projects, developing scalable platforms using Shopify and custom-built solutions in Ruby on Rails.
- Created custom dashboards, real-time analytics tools, and interactive UI components for data visualization using D3.js, AntD, and Material UI.
- Engineered high-availability applications with microservices architecture, implementing Kubernetes and Docker for automated deployments.
- Integrated third-party payment gateways (Stripe, PayPal, Square) and automated order processing workflows to enhance checkout experiences.
- Built scalable authentication and authorization systems using OAuth, JWT, and Firebase Authentication.
- Refactored legacy monolithic applications into modular, scalable architectures using Node.js, Django, and Ruby on Rails.
- Provided technical mentorship to junior developers, conducted code reviews, and collaborated closely with clients to gather requirements and refine business logic.
PostgreSQL | Node.js | Ruby on Rails | Django