Most startups, founders, and growing businesses already know what they want to build. The challenge is finding a Senior Full Stack Developer who can take ownership of the product, from architecture and MVP planning to frontend development, backend infrastructure, API integration, cloud deployment, automation, and long-term scalability.
I help startups, SaaS companies, agencies, and established businesses build modern web applications, SaaS platforms, AI-powered products, CRM systems, business software, marketplaces, customer portals, booking platforms, admin dashboards, automation platforms, Chrome extensions, and mobile applications using production-ready technologies.
My primary expertise includes React.js, Next.js, TypeScript, JavaScript, Node.js, Express.js, NestJS, PostgreSQL, MongoDB, Supabase, Firebase, AWS, Docker, Vercel, Tailwind CSS, Stripe, REST APIs, AI Integration, Workflow Automation, and Cloud Infrastructure.
As a Full Stack Developer, React Developer, Next.js Developer, Node.js Developer, SaaS Developer, Backend Engineer, API Integration Developer, and AI Developer, I build scalable applications that combine exceptional user experiences with secure backend systems and reliable infrastructure.
Whether you need to build an MVP, modernize an existing application, automate business workflows, integrate AI into your product, or scale an enterprise platform, I can help transform your vision into production-ready software.
What I Build
✔ SaaS Platforms & Multi-Tenant Applications
✔ Startup MVP Development
✔ AI Applications & AI Integration
✔ AI Chatbots & AI-Powered Business Tools
✔ CRM Systems & ERP Solutions
✔ Business Software & Internal Platforms
✔ Customer Portals & Admin Dashboards
✔ Marketplace Platforms & B2B Marketplaces
✔ Booking & Reservation Systems
✔ Financial Platforms & FinTech Applications
✔ Healthcare & Telehealth Platforms
✔ Real Estate Platforms
✔ Mobile Applications (React Native & Flutter)
✔ Chrome Extensions & Browser Extensions
✔ Web Automation & Workflow Automation
✔ API Integration & Third-Party Integrations
✔ Payment Systems (Stripe, PayPal, Webhooks)
✔ Cloud Deployment & DevOps
Core Technical Expertise
Frontend Development
React.js • Next.js • TypeScript • JavaScript • HTML5 • CSS3 • Tailwind CSS • Redux • React Query • Responsive UI Development • Front-End Development
Backend Development
Node.js • Express.js • NestJS • REST API Development • API Architecture • Authentication • Authorization • JWT • OAuth • Backend Infrastructure • Serverless Functions
Database Development
PostgreSQL • MongoDB • Supabase • Firebase • MySQL • Database Design • Database Optimization
AI Development & Automation
AI Development • AI Integration • OpenAI API • Claude API • AI Applications • AI Platform Development • AI Chatbots • Workflow Automation • Business Process Automation • AI-Powered SaaS
Cloud & DevOps
AWS • Docker • Vercel • Cloudflare • CI/CD • GitHub Actions • Deployment • Cloud Infrastructure • Performance Optimization
Payments & Integrations
Stripe Integration • PayPal • Third-Party APIs • REST APIs • Webhooks • API Integration
Industries I've Worked With
SaaS • FinTech • Healthcare • Telehealth • E-commerce • Education • Manufacturing • Real Estate • CRM • ERP • Recruitment • Marketplace Platforms • Booking Systems • Marketing Platforms • Business Automation
Why Clients Hire Me
I don't just build features, I help build products that are scalable, secure, maintainable, and ready for growth.
Clients value working with me because I provide:
• Clean, production-ready code
• Scalable software architecture
• Strong frontend and backend engineering
• Reliable API integration
• Secure authentication and authorization
• Optimized PostgreSQL and MongoDB database design
• AI integration and automation expertise
• Cloud deployment and infrastructure support
• Clear communication and transparent progress updates
• Long-term technical partnership
Whether you already have Figma designs, an existing codebase, or just an idea on paper, I can help you build a modern web application, SaaS platform, CRM, AI product, automation system, marketplace, Chrome extension, or mobile application from concept to production.
If you're looking for a Senior Full Stack Developer, React Developer, Next.js Developer, Node.js Developer, Backend Engineer, SaaS Developer, AI Developer, API Integration Developer, CRM Developer, Automation Engineer, or long-term technical partner, I'd be happy to discuss your project and recommend the best technical approach.
Mobile App Development
App Development
React
JavaScript
Full-Stack Development
SaaS Development
Node.js
API Integration
Web Application Development
Next.js
TypeScript
Database Development
Supabase
PostgreSQL
User Authentication
Minimum Viable Product
Stripe
Tailwind CSS
AI Marketplace
REST API
Mary A.
Ikeja, Nigeria
$10/hr
5.0
16 jobs
Want a Wix website that looks professional, loads fast, ranks on Google, and converts visitors into paying customers?
I help businesses, startups, agencies, consultants, coaches, nonprofits, service providers, and B2B companies build high-converting Wix websites and Wix Studio websites that improve brand credibility, generate quality leads, increase engagement, and drive business growth.
Hi, I'm Jummy — a Conversion-Focused Wix Expert, Wix Website Designer, Wix Developer, Wix Studio Specialist, and SEO-Focused Web Designer dedicated to creating modern, responsive, and results-driven websites.
𝗪𝗜𝗫 𝗘𝗫𝗣𝗘𝗥𝗧 | 𝗪𝗜𝗫 𝗦𝗧𝗨𝗗𝗜𝗢 𝗘𝗫𝗣𝗘𝗥𝗧 | 𝗪𝗜𝗫 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗘𝗥 | 𝗪𝗜𝗫 𝗪𝗘𝗕𝗦𝗜𝗧𝗘 𝗗𝗘𝗦𝗜𝗚𝗡 | 𝗪𝗜𝗫 𝗪𝗘𝗕𝗦𝗜𝗧𝗘 𝗥𝗘𝗗𝗘𝗦𝗜𝗚𝗡 | 𝗙𝗜𝗚𝗠𝗔 𝗧𝗢 𝗪𝗜𝗫 | 𝗪𝗜𝗫 𝗦𝗘𝗢 | 𝗪𝗜𝗫 𝗠𝗜𝗚𝗥𝗔𝗧𝗜𝗢𝗡 | 𝗪𝗜𝗫 𝗦𝗧𝗨𝗗𝗜𝗢 𝗗𝗘𝗦𝗜𝗚𝗡
I don't just build websites.
I create strategic, conversion-focused digital experiences that combine modern UI/UX design, responsive web design, mobile optimization, SEO best practices, lead-generation systems, and customer-focused user journeys to help businesses grow online.
Whether you need a brand-new Wix website, Wix Studio website, website redesign, landing page, Figma-to-Wix conversion, website migration, or ongoing website support, I build websites that are visually appealing, user-friendly, scalable, and optimized for performance.
𝗠𝗬 𝗪𝗜𝗫 𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦:
✔ Wix Website Design
✔ Wix Studio Website Design
✔ Wix Website Redesign
✔ Wix Studio Development
✔ Custom Wix Development
✔ Wix Velo Development
✔ Figma to Wix Conversion
✔ PSD to Wix Conversion
✔ HTML to Wix Conversion
✔ Responsive Website Design
✔ Mobile-Friendly Website Design
✔ Landing Page Design
✔ Sales Funnel Design
✔ Lead Generation Pages
✔ Booking & Appointment Systems
✔ Contact Forms & Automation
✔ CMS Setup & Dynamic Pages
✔ E-commerce Website Design
✔ Wix Online Store Setup
✔ Membership Websites
✔ Portfolio Websites
✔ Business Websites
✔ Agency Websites
✔ Blog Setup & Optimization
✔ Domain Connection & DNS Setup
✔ Website Migration
✔ Website Maintenance & Support
✔ Speed Optimization
✔ Technical SEO
✔ On-Page SEO
✔ Local SEO Setup
✔ Google Search Console Setup
✔ Google Analytics Integration
✔ Conversion Rate Optimization (CRO)
𝗪𝗛𝗔𝗧 𝗠𝗔𝗞𝗘𝗦 𝗠𝗬 𝗪𝗘𝗕𝗦𝗜𝗧𝗘𝗦 𝗗𝗜𝗙𝗙𝗘𝗥𝗘𝗡𝗧?
✔ Conversion-Focused Design
✔ SEO-Friendly Structure
✔ Mobile-First Development
✔ Fast Loading Speed
✔ Strategic Call-to-Actions
✔ User-Centered Experience
✔ Clean Visual Hierarchy
✔ Modern and Professional Design
✔ Optimized Customer Journey
✔ Easy-to-Manage Backend
✔ Scalable Business Solutions
𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗜𝗘𝗦 𝗜 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛:
✔ Construction Companies
✔ Contractors
✔ Home Service Businesses
✔ B2B Companies
✔ Consultants & Coaches
✔ Healthcare & Wellness Brands
✔ Logistics & Transportation Companies
✔ Real Estate Businesses
✔ Law Firms
✔ Nonprofits
✔ Political Campaigns
✔ Ecommerce Brands
✔ Marketing Agencies
✔ Creative Professionals
✔ Podcasts & Media Brands
✔ SaaS Startups
✔ Professional Service Providers
𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗛𝗜𝗥𝗘 𝗠𝗘:
✔ Clear Communication
✔ Fast Response Time
✔ Attention to Detail
✔ Reliable Project Delivery
✔ Strategic Problem Solving
✔ Pixel-Perfect Execution
✔ Transparent Workflow
✔ Long-Term Website Support
✔ Results-Oriented Approach
If you're looking for a Wix Expert who understands website design, SEO, lead generation, conversion optimization, branding, and business growth, I'd love to help.
Send me your website URL, project details, business goals, design inspiration, or Figma file, and I'll recommend the best strategy, timeline, and solution to achieve your goals.
Wix Studio Expert
Wix Partner
Wix Designer
Wix SEO Expert
Wix Landing Page Designer
Wix Ecommerce Expert
Wix Velo Developer
Responsive Website Designer
Conversion Rate Optimization
Lead Generation Website
Mobile Responsive Website
Website Optimization
UX/UI Designer
Website Revamp
Website Refresh
Business Website Design
Custom Website Development
CMS Development
Dynamic Pages
Website Audit
Technical SEO
Local SEO
Website Maintenance
Website Performance Optimization
Sales Funnel Design
Conversion-Focused Web Design
Wix
Web Design
Website Redesign
Search Engine Optimization
Wix SEO Wiz
Web Development
Responsive Design
Website Migration
Website Maintenance
Website
Landing Page Design
Landing Page
Web Page
Custom Web Design
Website Builder
Graphic Design
Website Customization
Figma
UX & UI Design
Website & CMS Bug Fix
ONIPEDE T.
Osogbo, Nigeria
$10/hr
4.6
22 jobs
I'm Onipede Tayo an expert in a Digital Marketer with years of experience, I am passionate about helping businesses and individuals improve their online presence and reached With a deep understanding of SEO(Search Engine Optimization), social media marketing, email marketing, PPC campaigns(Pay Per Click), content creation, and web analytics, I have successfully worked on numerous projects in various industries such as [Upwork, Fiver and all].
My approach is always data-driven, starting with a thorough analysis of your current situation and your goals. Based on that, I will create a customized strategy that fits your unique needs and budget, and ensure that it's implemented effectively. Whether you're looking to increase traffic, generate leads, boost sales, or simply strengthen your online brand, I am here to help you get there.
As an Upwork freelancer, I am dedicated to delivering high-quality work on time and on budget. I am open to both short-term and long-term projects, and always prioritize good communication and collaboration with my clients.
If you're looking for a reliable and skilled Digital Marketer, don't hesitate to reach out
Digital Marketing Strategy
Digital Marketing
Digital Marketing Materials
Freelance Marketing
Marketing
Durojaye O.
Lagos Island, Nigeria
$50/hr
5.0
18 jobs
Hello there,
Do you want to know about me? Let me introduce myself.
🎓 Education
I hold a background in computer science and engineering, with a strong focus on cloud infrastructure, DevOps, AI, and distributed systems.
💻 Professional Background
I started my career as a Cloud DevOps Engineer, working on cloud infrastructure, automation pipelines, and scalable platform architectures.
With over 5 years of experience, I now work at the intersection of engineering and technical communication, helping companies transform complex technical systems into clear, well-structured documentation and high-quality technical content.
Today, I work as a Technical Writer and Documentation Engineer, collaborating with engineering teams, SaaS companies, and cloud platforms to create developer-focused documentation and technical content.
Currently, I provide the following technical writing services as a freelancer:
📘 User Guides & Product Manuals
📚 API Documentation
🛠️ SDK References
🖥️ Developer Guides & Technical Tutorials
📂 Knowledge Base Articles
📑 Technical Documentation (Developer Docs, Architecture Docs, Product Docs)
I can create documentation for any audience, from step-by-step SaaS product guides for non-technical users to deep technical documentation for engineers and developer audiences.
One of my strengths is the ability to break down complex infrastructure, DevOps, AI, and cloud concepts into clear, structured content that is easy to understand and implement.
🔧 Thanks to my engineering background, I don’t just write about technology. I test workflows, validate technical implementations, and ensure accuracy before documenting them. This allows me to create documentation and tutorials that are technically sound and credible for engineering audiences.
Tools & Technologies
➡️ Programming Languages: Python, JavaScript, Go, Java
➡️ DevOps & Cloud: Cloud-native technologies, Kubernetes, Docker, AWS Cloud, Azure Cloud, GCP Cloud, multi-Cloud
➡️ API Testing: Postman and related tools
➡️ Documentation Tools: Astro, Hugo, Mintlify, Sphinx, Docusaurus
➡️ Project Management Tools: Asana, Jira, YouTrack, Linear
➡️ Formats: Markdown, reStructuredText (RST), YAML, Google Docs
🌟 What sets me apart is my hybrid background as both a DevOps engineer and a technical writer. This enables me to create documentation and technical content that is not only well-written but technically accurate and useful for developers and engineering teams.
🖋️ In addition to documentation, I also write high-quality technical blog articles focused on:
• Cloud architecture
• DevOps & platform engineering
• Kubernetes & cloud-native technologies
• SaaS infrastructure
• Security & observability
• AI infrastructure and modern developer tooling
Many of my articles rank highly in search and are published on leading developer platforms.
🏆 The success of my freelancing career as a Technical Writer is reflected in the companies I’ve worked with. I have collaborated with fast-growing startups and leading technology companies, including:
➤ Vultr
➤ Warp
➤ Saturn Cloud
➤ Seenode
➤ groundcover
➤ Directus
➤ Baeldung
➤ StreamSets (by IBM)
➤ TuxCare
➤ Pynt
➤ CloudRay
➤ Signadot
➤ Permify
➤ Gaffa
…and many more.
If you’re looking for a Technical Writer who understands DevOps, cloud infrastructure, AI, and developer workflows, and can produce high-quality documentation or technical content that engineers actually trust and use, I’d love to collaborate with you.
Let’s build something great together. 🤝
SEO Writing
Kubernetes
DevOps Engineering
Technical Writing
Blog Writing
Article Writing
API Documentation
Markdown
Cloud Computing
AI Content Writing
Blog Content
Python
.NET Stack
Golang
JavaScript
Java
Shadrack I.
Lagos, Nigeria
$30/hr
5.0
16 jobs
🏆 Top-Rated Freelancer | 100% Job Success
📅 7+ Years of Experience in Web Development
🚀 Specialist in React, Next.js, Webflow, and JavaScript
Core Skills & Expertise
Modern Front-End Development: React, Next.js, JavaScript (ES6+), TypeScript
Webflow Expertise: Beautifully designed and responsive websites with custom integrations
UI/UX Precision: Transforming designs from Figma/Adobe XD into pixel-perfect code
API Integration: RESTful APIs, GraphQL
Optimized Performance: Fast load times, SEO best practices, and Lighthouse score improvements
Responsive Design: Websites that look and perform beautifully on all devices
Why Choose Me?
Proven Success: Top-rated with a 100% job success score on Upwork.
Efficient Communication: Transparent and consistent updates throughout the project.
Timely Delivery: Your deadlines are my priority.
Attention to Detail: From concept to execution, quality is guaranteed.
About Me
Hi there! 👋
I’m Shadrack, a passionate and highly experienced web developer with over 7 years of experience crafting scalable, efficient, and user-friendly web solutions. My expertise spans across modern frameworks like React and Next.js, CMS platforms like Webflow, and robust programming languages including JavaScript and TypeScript.
Whether you need a high-performance web application, a beautifully designed and fully responsive website, or seamless API integrations, I bring a comprehensive skill set to deliver exactly what your project requires. I have worked with businesses of all sizes, helping them transform their ideas into functional and visually stunning digital solutions.
I’m dedicated to writing clean, maintainable code and ensuring that every project I work on is optimized for performance, scalability, and a seamless user experience. With me, you can expect clear communication, timely delivery, and a commitment to excellence in every aspect of development.
Let’s Collaborate!
Ready to bring your project to life? I’d love to hear about your vision and how I can help. Feel free to invite me to your job posting or send me a message to get started!
Landing Page
Website
Webflow
HTML
Figma
Web Development
JavaScript
CSS
Responsive Design
React
Next.js
Ayomide A.
Lagos, Nigeria
$10/hr
5.0
3 jobs
Hello!
Are you aiming to create a secure, innovative, and user-friendly website? I'm a seasoned PHP Laravel developer with over 6 years of experience, ready to bring your vision to life. I bring deep knowledge and a proven track record of delivering successful projects, my portfolio speaks volumes.
Expertise
✔ PHP Development: Proficient in developing large, secure applications using PHP and related technologies.
✔Frameworks: Specialize in Laravel for creating custom, client-centric solutions.
✔Full Stack Development: Skilled in front-end technologies like React JS and back-end technologies like Node JS.
✔ OOP & Design: Strong command of PHP concepts, object-oriented programming, and graphic design for clean, maintainable code.
✔ Database Management: Skilled in MySQL, NoSQL, and strategic database design.
✔API Integration: Experience with third-party APIs, including payment gateways, social media, and data feeds.
Achievements
✔Successfully delivered numerous PHP projects, including e-commerce sites, CMS, and CRM systems.
✔Consistently wrote clean, efficient code ensuring high performance and scalability.
✔ Kept abreast of the latest PHP news and best practices to provide up-to-date solutions.
Approach
Collaboration: Valuing open communication and collaboration, I ensure a thorough understanding of your needs and provide constant feedback throughout the development process.
Timeliness & Budget: Committed to delivering projects on time and within budget while maintaining high quality.
If you are seeking a custom PHP project that brings your ideas to life with unique results, let's discuss your vision. Together, we can achieve something great!
Specializations:
✅PHP Web Development
✅Frontend Development
✅Custom PHP Development
✅PHP Development
✅CodeIgniter Developer
✅Laravel Developer
✅MySQL Database Development
✅API Integration (PHP)
✅PHP E-commerce Development
✅PHP Backend Development
✅PHP Performance Optimization
✅PHP Security
✅PHP Troubleshooting
✅Fix Old PHP Project
✅WordPress Development & Design
Below are the list of technology stack I have worked with:
✅Laravel
✅React JS
✅PHP
✅Livewire
✅MySQL
✅HTML/CSS
✅JavaScript/jQuery
✅Bootstrap
✅RESTful APIs
✅JSON
✅Git
✅Apache or Nginx
✅Node JS
✅Express JS
✅Tailwind
✅Alpine JS
✅Mongo DB
✅TDD
✅AWS
PHP
Web Development
CSS
HTML
JavaScript
WordPress
Laravel
API Development
TypeScript
Node.js
ExpressJS
Tailwind CSS
Tailwind UI
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Kinetic Investments
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Summa Linguae
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