Frontend
ReactNext.jsVue.jsTypeScriptJavaScript (ES6+)Tailwind CSSSCSSStyled ComponentsFramer MotionGSAP
Full Stack Developer · Remote
Emmanuel Chika
Building products that scale.
End-to-end engineer with 5+ years turning ideas into production-ready code.
8+Production Apps
500K+Combined Users
75%Avg Performance Gain
5+ yrsYears Experience
01 / About
Crafting Digital Experiences
Versatile Full Stack Developer. Expert in React, Next.js, and React Native with deep backend experience. I ship features that matter and optimize for performance that users actually feel.
I'm a versatile Full Stack Developer with 5+ years of professional experience building scalable, high-performance web and mobile applications. I specialize in modern frontend technologies and have a strong track record delivering end-to-end solutions for fintech, e-commerce, recruitment, and SaaS platforms serving millions of users globally.
Core Competencies
- Full Stack Development
- Cross-Platform Mobile Engineering
- System Architecture
- Performance Optimization
- UI/UX Engineering
- API Design & Integration
- Cloud Infrastructure & DevOps
- Database Design & Optimization
- AI Integration & Prompt Engineering
- Real-Time Systems Engineering
- Payment Systems & Security
- Native & Cross-Platform Development
- Testing & Quality Assurance
- State Management & Data Flow
- Authentication & Authorization
Available for work
Education
Bachelor of Science in Marine & Offshore Engineering
Rivers State University · Port Harcourt, Nigeria
2024 - 2029 (Expected)
Certifications
Generative AI Fundamentals
Google Cloud · Global
Skill badge credential covering Large Language Models, responsible AI, and the architecture of generative applications.
Certified Mobile Application Developer
Tech Crush · Global
Certification in mobile application development with focus on React Native, Native modules and modern development practices
AWS Certified AI Practitioner
Amazon Web Services · Global
Foundational certification in AI/ML workloads, focusing on Amazon Bedrock, prompt engineering, and responsible AI.
Mobile Development Program — Finalist
HNG 11 · Nigeria
Advanced training in React Native, full-stack development, API integration, and modern development practices
Full Stack Development Program
ALX · Global
Comprehensive training in frontend, backend, databases, and deployment strategies
0+
Production Apps
Shipped and deployed
0K+
Combined Users
Across web and mobile
0%
Avg Performance Gain
Through optimization
0+ yrs
Years Experience
Professional work
02 / Skills
My Tech Stack
ReactNext.jsTypeScriptNode.jsReact NativeVue.jsFirebaseSupabasePostgreSQLGraphQLTailwind CSSFramer MotionExpoZustandTanStack QueryDockerAWSVercelReduxWebSocketstRPCExpressReactNext.jsTypeScriptNode.jsReact NativeVue.jsFirebaseSupabasePostgreSQLGraphQLTailwind CSSFramer MotionExpoZustandTanStack QueryDockerAWSVercelReduxWebSocketstRPCExpressReactNext.jsTypeScriptNode.jsReact NativeVue.jsFirebaseSupabasePostgreSQLGraphQLTailwind CSSFramer MotionExpoZustandTanStack QueryDockerAWSVercelReduxWebSocketstRPCExpressReactNext.jsTypeScriptNode.jsReact NativeVue.jsFirebaseSupabasePostgreSQLGraphQLTailwind CSSFramer MotionExpoZustandTanStack QueryDockerAWSVercelReduxWebSocketstRPCExpress
JestCypressCI/CDGitHub ActionsPythonDjangoMongoDBRedisOAuthJWTClerkNextAuthGSAPReact Native ReanimatedLottieStorybookWebpackViteMobXStripe APIOpenAI APIWebRTCJestCypressCI/CDGitHub ActionsPythonDjangoMongoDBRedisOAuthJWTClerkNextAuthGSAPReact Native ReanimatedLottieStorybookWebpackViteMobXStripe APIOpenAI APIWebRTCJestCypressCI/CDGitHub ActionsPythonDjangoMongoDBRedisOAuthJWTClerkNextAuthGSAPReact Native ReanimatedLottieStorybookWebpackViteMobXStripe APIOpenAI APIWebRTCJestCypressCI/CDGitHub ActionsPythonDjangoMongoDBRedisOAuthJWTClerkNextAuthGSAPReact Native ReanimatedLottieStorybookWebpackViteMobXStripe APIOpenAI APIWebRTC
Mobile
React NativeExpoiOS DevelopmentAndroid DevelopmentReact Native ReanimatedLottieNative ModulesEAS Build
Backend / BaaS
Node.jsExpressPythonDjangoFirebaseSupabaseREST APIsGraphQLtRPCWebSocketsWebRTC
State & Data
ReduxZustandMobXTanStack QueryContext APISWR
Databases
PostgreSQLMySQLMongoDBFirebase FirestoreRedisSupabase DB
Cloud & DevOps
VercelAWSGoogle CloudDockerCI/CDGitHub ActionsViteWebpack
Auth & Security
Firebase AuthClerkNextAuthJWTOAuthPCI-Compliant Patterns
Testing
JestReact Testing LibraryCypressUnit TestingE2E Testing
03 / Experience
Work History
5+ years shipping production applications across fintech, SaaS, recruitment, and consumer platforms — for clients spanning four continents.
Principal Software Developer
June 2025 - Aug 2025
- Lead full-stack development for AI-powered recruitment platform serving thousands of users
- Architect and implement scalable backend infrastructure using Node.js, tRPC, and Firebase for real-time data synchronization
- Build responsive, pixel-perfect UI components with Tailwind CSS and micro-animations for enhanced UX
- Integrate multiple APIs including AI/ML services, payment processors, and calendar systems
- Optimize application performance achieving 40% faster load times through code splitting, lazy loading, and caching strategies
- Design and build cross-platform mobile app using React Native and Expo
- Establish CI/CD pipelines with GitHub Actions for automated testing and deployment
ReactNext.jsTypeScriptTanStack QuerytRPCFirebasePostgreSQLNode.jsTailwind CSSReact NativeExpoVercelRedux
Co-founder
April 2025 - June 2025Current
- Developed full-stack fintech mobile application using React Native (Expo) with Firebase backend
- Built secure payment processing features with PCI-compliant security measures
- Implemented real-time transaction updates using Firebase Realtime Database and WebSockets
- Optimized mobile app performance by 85% through code optimization and state management improvements
- Designed and implemented custom animations using React Native Reanimated and Lottie
- Implemented comprehensive testing with Jest and React Testing Library achieving 90% code coverage
- Deployed to App Store and Google Play with automated CI/CD using EAS Build
React NativeExpoFirebaseZustandMMKVTailwind CSSRESTful APIsCI/CDNext.jsTypeScript
Lead Frontend Engineer
December 2024 – March 2025
- Led frontend development for consumer-facing application serving millions of users globally
- Built server-side rendered web application with Next.js achieving 95+ Lighthouse scores
- Architected state management using Redux and MobX for complex real-time data flows
- Integrated GraphQL APIs with Apollo Client for efficient data fetching and caching
- Created sophisticated animations and transitions using Framer Motion and GSAP
- Built real-time chat and notification features using WebSockets and WebRTC
- Optimized web vitals (LCP, FID, CLS) through performance profiling and image optimization
ReactVue.jsNext.jsTypeScriptReduxMobXGraphQLApolloFirebaseSupabaseWebSocketsWebRTCFramer Motion
Full Stack Developer
September 2024 - November 2024
- Developed full-stack job platform using React frontend, Node.js/Express backend, and PostgreSQL database
- Built RESTful API endpoints for user management, job postings, applications, and messaging
- Integrated Stripe payment processing, email services, and analytics platforms
- Developed React Native mobile application with Expo for on-the-go job searching
- Built custom animation library using React Spring for smooth, interactive transitions
- Implemented automated testing suite with Jest and Cypress for reliability
- Deployed full stack using Vercel (frontend), Railway (backend), and AWS S3 (storage)
ReactNext.jsTypeScriptNode.jsExpressPostgreSQLFirebaseStripe APIVercelReact NativeExpoTailwind CSS
Co-founder
May 2024 – August 2024Current
- Architected and developed full-stack real estate platform using React, Next.js, and Firebase
- Built AI-powered property recommendation system integrating machine learning APIs
- Created interactive property maps using Google Maps API with geolocation services
- Developed cross-platform mobile app with React Native and Expo for property browsing
- Built real-time messaging system using Firebase Realtime Database and WebSockets
- Implemented Stripe and PayPal APIs for secure payment processing
- Established testing infrastructure with Jest and Cypress ensuring code reliability
ReactNext.jsTypeScriptFirebaseNode.jsGraphQLStripeGoogle Maps APIReact NativeExpoVercelTailwind CSS
Mobile & Frontend Developer
Wakajugbe Driver App·Lagos, Nigeria
February 2024 – April 2024
- Developed full-stack ride-sharing application with React Native and Firebase backend
- Implemented real-time location tracking using Google Maps API and Firebase Realtime Database
- Created engaging animations for ride status updates using React Native Reanimated and Lottie
- Implemented Firebase BaaS: Authentication, Firestore, Cloud Functions, and Push Notifications
- Built responsive web admin dashboard using React and Material-UI for fleet management
- Deployed mobile app to App Store and Google Play using EAS Build with automated CI/CD
React NativeExpoFirebaseGoogle Maps APIRESTful APIsPush NotificationsMaterial-UIReact
04 / Impact
Numbers That Speak
Real impact measured in production — every project built with purpose and shipped at scale.
0+
Production Apps
Shipped and deployed
0K+
Combined Users
Across web and mobile
0%
Avg Performance Gain
Through optimization
0+ yrs
Years Experience
Professional work
Key Achievements
Built and deployed 8+ production applications serving over 500,000 combined users
Improved application performance by average of 75% through optimization techniques
Reduced API response times by 60% through efficient caching and database query optimization
Achieved 90%+ code coverage across projects through comprehensive testing strategies
Successfully integrated 20+ third-party APIs including payment processors and AI services
Mentored 5+ junior developers improving team velocity and code quality
Shipped features 40% faster by establishing efficient CI/CD pipelines
06 / Open Source
Contributions & Projects
React Portfolio Template
Open-source portfolio template built with React, Next.js, and TypeScript. Features responsive design, optimized performance, and modern UI patterns.
TypeScript
245
89
View on GitHub
React Native UI Kit
Comprehensive UI component library for React Native applications with 50+ customizable components, dark mode support, and consistent design system.
TypeScript
312
78
View on GitHub
05 / Projects
Selected Work
Production applications I've designed, engineered, and shipped — from fintech to AI-powered SaaS — serving hundreds of thousands of users globally.
AI-powered recruitment platform connecting top talent with leading companies. Built with a real-time matching engine, live interview scheduling, and candidate analytics dashboard serving thousands of active users.
10K+ usersReal-time matching40% faster load
Next.jsTypeScripttRPCFirebaseReact NativeTanStack QueryTailwind CSS
2025View live
Cross-platform fintech application with secure payment processing, real-time transaction tracking, and a seamless UI. Achieved 85% performance improvement with custom animation system and optimized state management.
85% perf gain90% test coverageiOS + Android
React NativeExpoFirebaseZustandRESTful APIsLottieTypeScript
Co-founder / Lead SWEView live
Consumer-facing application serving millions of users globally. Achieved 95+ Lighthouse scores through SSR with Next.js, sophisticated animations, and real-time chat using WebSockets and WebRTC.
Millions of users95+ LighthouseReal-time chat
ReactNext.jsVue.jsReduxMobXGraphQLWebSocketsWebRTCFramer Motion
2024-2025View live
Full-stack real estate platform with AI-powered property recommendations, Google Maps integration, cross-platform mobile app, and real-time agent-client messaging system with payment processing.
AI recommendationsReal-time chatMaps integration
ReactNext.jsFirebaseGoogle Maps APIStripePayPalReact NativeGraphQL
Co-founderView live
More Projects
Full Stack · Job Board · Web + Mobile
KOJA JOBS — Job Platform
End-to-end job platform with full-stack architecture. Built RESTful API, Stripe payment integration, React Native mobile app, and deployed across Vercel, Railway, and AWS S3 with automated CI/CD.
ReactNode.jsExpressPostgreSQLStripe+3
2024-2026Full stack
Full Stack · AI · Content
Drello — AI Blog Platform
AI-powered blog platform integrating OpenAI API for intelligent content generation. Features a rich text editor with custom animations, real-time collaboration via Firebase, and analytics with Recharts and D3.js.
Next.jsReactTypeScriptFirebaseOpenAI API+4
2024OpenAI integration
Full Stack · E-learning · AI
Rovere — E-learning platform
Full-stack e-learning platform with AI-powered content recommendations, Google Maps integration, cross-platform mobile app, and real-time agent-client messaging system with payment processing.
ReactNext.jsFirebaseGoogle Maps APIStripe+3
FounderAI recommendations
Open source & experiments
More builds on GitHub
Product code, tooling, and side projects — follow the trail of commits and shipped repos.
06 / Contact
Let's build something remarkable
Open to new opportunities — freelance, contract, or full-time remote. Prefer email; I typically reply within one business day.