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$20/hr
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Job Success
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Has growth started exposing cracks in your product ❓
🔴The real challenges usually appear later: slow APIs, technical debt, rising cloud costs, and systems that become harder to scale as the product grows.
Launching a product is one milestone. Keeping it fast, reliable, and easy to improve six months or two years later is a completely different challenge.
🔰That's where good software engineering starts to matter.
Over the last 𝟭𝟬+ 𝘆𝗲𝗮𝗿𝘀 and 𝟯𝟬+ 𝘀𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀, I've worked on SaaS products, startup MVPs, and AI-powered applications where the ability to scale directly affected how fast teams could ship, iterate, and grow.
🔹Growth Challenges:
As products grow, keeping development fast and predictable becomes increasingly difficult.
APIs struggle under increasing load, technical debt starts affecting delivery speed, infrastructure costs rise, and systems become harder to maintain and scale.
Without the right technical foundation, these issues can gradually impact product velocity, reliability, and user experience.
🔹What I Help With:
▸ Scale Your SaaS
Build and improve SaaS platforms that remain reliable, maintainable, and ready for growth as users and features increase.
▸ Speed Up Your APIs
Identify bottlenecks, improve response times, and build backend systems that perform reliably under load.
▸ Cut Your Cloud Bills
Optimize cloud infrastructure, eliminate unnecessary costs, and improve efficiency without compromising reliability.
▸ Automate with AI
Implement AI-powered features, workflow automation, and intelligent tools that improve productivity and user experience.
▸ Launch MVPs That Scale
Build startup MVPs with a solid technical foundation that supports future growth without major rewrites.
🔹Tech Stack:
Frontend: React, Next.js, TypeScript, Angular
Backend: Node.js, NestJS, Express.js, Python
Database & Cloud: PostgreSQL, MongoDB, MySQL, DynamoDB, Supabase, AWS, Google Cloud
Integrations: REST APIs, Stripe, PayPal, Apple Pay, Twilio
DevOps & Tools: GitLab CI/CD, Jenkins, Git, Automated Testing, Deployment Automation
🔹WHY WORK WITH ME
▸ Systems built for scale, performance, and long-term stability
▸ Engineering decisions driven by real product impact
▸ Direct collaboration with the developer building your system
▸ Experience across SaaS, MVPs, backend systems, and AI applications
▸ Focus on clean architecture and production-ready delivery
Ready to Scale Without Breaking?
Send me a quick overview of your stack or current challenge. I’ll review it and share where I would look first and what the biggest improvement opportunities are.
KEVAL G.
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$10/hr
$100+ earned
Available now
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We help startups and businesses build AI-powered SaaS platforms, ERP systems, CRM software, and custom web applications based on their business needs. We have worked on AI chatbots, automation systems, dashboards, workflow platforms, analytics systems, logistics software, accounting applications, and custom business tools for different industries.
We focus on building simple, scalable, and easy-to-use systems that help businesses save time, automate work, and manage operations better.
Recently, we worked on AI recruitment platforms, AI content generation systems, ERP & CRM software, logistics automation applications, and custom SaaS products with dashboards, reporting, APIs, and workflow automation.
What We Can Help You With
AI SaaS Platforms
ERP, CRM & HRMS Development
Custom Business Applications
AI Chatbots & AI Integrations
Workflow Automation
Dashboards & Reporting Systems
AI Content & Analytics Platforms
Logistics & Tracking Applications
API & Third-Party Integrations
Cloud-Based Applications
Tech Stack
React, Angular, JavaScript
.NET, Node.js, PHP, Python
MySQL, PostgreSQL, MS SQL
Laravel, ASP.NET, CodeIgniter
AWS, REST APIs, GraphQL
OpenAI, Claude API, LangChain
Why Clients Work With Us
Strong experience in SaaS, ERP, CRM & AI systems
Simple and business-focused solutions
Clear communication and smooth delivery
Fast response and long-term support
If you are planning to build an AI platform, SaaS product, ERP system, automation tool, or any custom application, we would be happy to discuss your project. Thanks
$40/hr
100%
Job Success
$30K+ earned
Offers consultations
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I create powerful web applications that combine modern full-stack development with artificial intelligence to give your business a competitive edge. By integrating AI capabilities into robust web solutions, I help businesses achieve greater efficiency, better user engagement, and increased revenue.
Technical Expertise:
Modern Web Development:
Frontend: React.js, Next.js, TypeScript, TailwindCSS, GraphQL
Backend: Node.js, GraphQL, MongoDB
DevOps: Docker, Kubernetes, CI/CD
AI Integration:
Large Language Models (LLMs)
Generative AI
Machine Learning
Intelligent automation
What sets my solutions apart:
Seamless blend of web technology and AI capabilities
Business-focused development that drives ROI
Modern, scalable, and maintainable architectures
Clean, documented, and secure code
Agile methodology for faster time-to-market
Enhanced Web Solutions I Deliver:
E-commerce platforms with smart recommendation engines
Content management systems with AI-powered content generation
Customer portals with intelligent search capabilities
Booking systems with predictive analytics
Business dashboards with AI-driven insights
Web applications with automated workflows
My solutions typically help clients achieve:
2-3x faster application performance
40%+ reduction in operational costs
Up to 150% increase in user engagement
Significant improvement in customer satisfaction
Measurable boost in conversion rates
Whether you're a startup looking to build a cutting-edge web platform or an established business seeking to enhance your existing applications with AI capabilities, I deliver solutions that combine technical excellence with practical business value.
Let's discuss how I can enhance your web applications with intelligent features that drive growth and create lasting value for your customers.
$10/hr
98%
Job Success
$6K+ earned
Available now
Offers consultations
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🥇 Top 𝟭% - Upwork 𝗕𝘂𝗯𝗯𝗹𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 🎯 Delivered 𝟱𝟬𝟬+ 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 from Scratch ⏳ Completed 𝟭,𝟬𝟬𝟬+ 𝗛𝗼𝘂𝗿𝘀 on Upwork 🌍 Trusted by 𝟱𝟬𝟬+ 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 📈
🚀 𝐏𝐫𝐨𝐯𝐞𝐧 𝐁𝐮𝐛𝐛𝐥𝐞.𝐢𝐨 𝐑𝐞𝐬𝐮𝐥𝐭𝐬:
𝐁𝐮𝐛𝐛𝐥𝐞 𝐌𝐕𝐏 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 → 🚀 Launched Scalable Apps 2x faster
𝐁𝐮𝐛𝐛𝐥𝐞 𝐔𝐈/𝐔𝐗 & 𝐂𝐨𝐧𝐯𝐞𝐫𝐬𝐢𝐨𝐧 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧 → 🎯 +120% user engagement growth
𝐖𝐨𝐫𝐤𝐟𝐥𝐨𝐰 & 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧 → ⚡ Improved app performance & scalability
I’m a passionate full-time 𝗕𝘂𝗯𝗯𝗹𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with a strong commitment to delivering high-quality applications that my clients can be proud of. My expertise spans various aspects of Bubble, enabling me to provide tailored solutions for diverse needs.
𝗠𝘆 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗮𝗻𝗱 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀:
✔ 𝗕𝘂𝗯𝗯𝗹𝗲 𝗔𝗽𝗽𝘀 𝗖𝗿𝗲𝗮𝘁𝗶𝗼𝗻: I develop robust applications using Bubble, allowing for swift and efficient app development tailored to client requirements.
✔ 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝘃𝗲 𝗗𝗲𝘀𝗶𝗴𝗻: I ensure that all applications are visually appealing and functional across all devices.
✔ 𝗗𝗮𝘁𝗮 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 & 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗦𝗲𝘁𝘁𝗶𝗻𝗴𝘀: I establish a solid data architecture while implementing the necessary security measures to safeguard your application.
✔ 𝗘𝗻𝗱-𝘁𝗼-𝗘𝗻𝗱 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗟𝗼𝗴𝗶𝗰 & 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄𝘀: I program comprehensive application logic and workflows for seamless functionality.
✔ 𝗖𝘂𝘀𝘁𝗼𝗺 𝗔𝗣𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: I specialize in integrating various APIs to enhance the capabilities of your applications.
✔ 𝗠𝗼𝗱𝘂𝗹𝗮𝗿 𝗕𝘂𝗶𝗹𝗱 𝗦𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲: My applications are built with a modular structure for easy maintenance, growth, and expansion.
✔ 𝗨𝘀𝗲𝗿 𝗗𝗮𝘀𝗵𝗯𝗼𝗮𝗿𝗱 𝗖𝗿𝗲𝗮𝘁𝗶𝗼𝗻: I create multilevel user dashboards that provide intuitive user experiences.
✔ 𝗠𝗮𝗿𝗸𝗲𝘁𝗽𝗹𝗮𝗰𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: I develop marketplace applications with efficient filtering and sorting functionalities.
✔ 𝗔𝗱𝗺𝗶𝗻 𝗗𝗮𝘀𝗵𝗯𝗼𝗮𝗿𝗱: I provide comprehensive user management and analytics through dedicated admin dashboards.
✔ 𝗨𝘀𝗲𝗿 𝗢𝗻𝗯𝗼𝗮𝗿𝗱𝗶𝗻𝗴 & 𝗔𝗰𝗰𝗼𝘂𝗻𝘁 𝗣𝗮𝗴𝗲𝘀: I design user onboarding processes and account management pages for enhanced user engagement.
✔ 𝗖𝘂𝘀𝘁𝗼𝗺 𝗗𝗲𝘀𝗶𝗴𝗻 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻: I work closely with clients to implement unique designs that reflect their vision.
✔ 𝗣𝗮𝘆𝗺𝗲𝗻𝘁 𝗚𝗮𝘁𝗲𝘄𝗮𝘆 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: I integrate various payment gateways to facilitate secure transactions.
✔ 𝗦𝗼𝗰𝗶𝗮𝗹 𝗟𝗼𝗴𝗶𝗻𝘀: I enable easy login options via Google, Facebook, Apple, and more.
✔ 𝗘𝘅𝗶𝘀𝘁𝗶𝗻𝗴 𝗔𝗽𝗽 𝗜𝗺𝗽𝗿𝗼𝘃𝗲𝗺𝗲𝗻𝘁𝘀: I help improve existing Bubble applications for enhanced performance.
✔ 𝗠𝗲𝘀𝘀𝗮𝗴𝗶𝗻𝗴 & 𝗡𝗼𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺: I implement messaging and notification systems for real-time updates.
✔ 𝗚𝗲𝗼-𝗟𝗼𝗰𝗮𝘁𝗶𝗼𝗻 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀: I utilize geo-location services in various scenarios to enhance application functionality.
𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲?
💻 𝗜𝗻𝗱𝗶𝘃𝗶𝗱𝘂𝗮𝗹 𝗗𝗲𝘀𝗶𝗴𝗻𝗲𝗿: Receive personalized attention and tailored solutions.
⏱ 𝗖𝗹𝗲𝗮𝗿 𝗗𝗲𝗮𝗱𝗹𝗶𝗻𝗲𝘀: I’m committed to delivering projects on time without compromising quality.
👨💻 𝗣𝗿𝗼𝗮𝗰𝘁𝗶𝘃𝗲 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻: Expect regular updates and constructive feedback.
📈 𝗥𝗲𝘀𝘂𝗹𝘁𝘀-𝗗𝗿𝗶𝘃𝗲𝗻 𝗔𝗽𝗽𝗿𝗼𝗮𝗰𝗵: I enhance your applications with innovative solutions.
⚙️ 𝗢𝗻𝗴𝗼𝗶𝗻𝗴 𝗦𝘂𝗽𝗽𝗼𝗿𝘁:I provide assistance and maintenance for all my projects.
🛡️ 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗙𝗶𝗿𝘀𝘁: I prioritize your applications’ security, implementing best practices.
🎯 𝗘𝘅𝗽𝗲𝗿𝘁 𝗚𝘂𝗶𝗱𝗮𝗻𝗰𝗲: Utilize my knowledge of Bubble for robust solutions.
I am committed to providing dedicated support, ensuring availability for 𝟰𝟬 𝗵𝗼𝘂𝗿𝘀/𝘄𝗲𝗲𝗸 📅, 𝟴 𝗵𝗼𝘂𝗿𝘀/𝗱𝗮𝘆 🕒, and 𝟳 𝗱𝗮𝘆𝘀/𝘄𝗲𝗲𝗸📆
𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀:
Bubble, No Code, Web App Development, Rapid Prototyping, Visual Programming, Responsive Design, Database Integration, Front-end Development, Back-end Development, Web Apps, Mobile Apps, Custom Web Applications, Web Design, User Experience, UI/UX, Code-less Development, API Integration, Automation, App Builder, Database Driven Apps, Workflow Automation, Productivity Tools, Full-Stack Development, Web-Development Platform, Drag And Drop, Bubble Experts, Bubble Community, Bubble Templates, Bubble Plugins.
⚠️𝗪𝗮𝗿𝗻𝗶𝗻𝗴: Copying my profile Overview & Keywords will lead to a report to Upwork⚠️
𝗞𝗶𝗻𝗱 𝗥𝗲𝗴𝗮𝗿𝗱𝘀,
Keshav
Keshav S.
has worked
.
Associated with
Graphic Corner
$200K+
earned
$15/hr
95%
Job Success
Available now
Offers consultations
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Full Stack Developer with 14 years in PHP, React, Node.js, Vue, and MERN now shipping AI automation systems on n8n, GoHighLevel, and GPT-5 integrations that run without supervision. 200+ projects delivered. If your business process still runs on manual work, that is solvable.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
► Full Stack PHP Developer for Laravel applications, REST APIs, custom CMS, and enterprise web systems
► Full Stack PHP Developer for eCommerce platforms, payment gateway integration, and multi-vendor marketplaces
► React Developer for SaaS dashboards, single-page applications, and component-based frontend architecture
► React Developer for Next.js applications, server-side rendering, and React Native mobile apps
► Node.js Developer for backend APIs, real-time applications, WebSocket systems, and microservices
► Node.js Developer for Express.js, Nest.js, serverless functions, and cloud-native backend development
► Vue.js Developer for interactive frontend applications, Nuxt.js builds, and Vue component development
► MERN Stack Developer for full stack MongoDB, Express, React, Node.js application development
► AI Automation Expert for n8n workflow architecture, multi-step automation, and custom node development
► AI Automation Expert for GoHighLevel CRM automation, pipeline management, and sub-account configuration
► AI Automation Expert for Zapier to n8n migration, webhook orchestration, and API chaining workflows
► CRM Integration Developer for GoHighLevel, HubSpot, Salesforce, and custom CRM API connections
► GPT-5 Integration Developer for OpenAI API, production-grade AI features, and LLM workflow automation
► AI Developer for ChatGPT integration, Claude API, prompt engineering, and AI agent development
► GHL Developer for GoHighLevel funnel builds, automation sequences, and third-party integrations
► n8n Developer for business process automation, data pipeline orchestration, and no-code workflow design
► Full Stack Developer for AWS deployment, Docker containerisation, CI/CD pipelines, and DevOps implementation
► Full Stack Developer for PostgreSQL, MySQL, MongoDB, Redis, and database architecture and optimisation
► Full Stack Developer for GraphQL APIs, REST APIs, third-party integrations, and microservices architecture
► AI Automation Expert for CRM automation, lead management workflows, and sales process automation
I'm Dhanesh. I started as a PHP and MERN stack developer and spent 14 years building production web applications across every industry. Over the last two years the work has shifted clients are not just asking for web apps anymore. They are asking for systems that run themselves. That intersection of full stack development and AI automation is where I now spend most of my time.
The projects that define my current work: a GoHighLevel build where I replaced 4 hours of daily manual follow-up with an n8n automation that runs the entire sequence based on pipeline stage. A Laravel SaaS product where I integrated GPT-5 as a production feature with validation, fallback logic, logging, and a rate limiting layer the client never had to think about. A MERN stack platform where the brief started as "build us a dashboard" and ended with a full AI reporting layer that writes the weekly summary automatically.
That is the work. Not demos. Shipped systems.
Full Stack Developer | PHP Developer | Laravel Developer | React Developer | Node.js Developer | Vue.js Developer | MERN Stack Developer | Next.js Developer | AI Automation Expert | n8n Developer | n8n Workflow | GoHighLevel Developer | GHL Automation | GHL CRM | CRM Integration | CRM Automation | GPT-5 Integration | OpenAI API | ChatGPT Integration | AI Integration | LangChain Developer | AI Agent Development | Prompt Engineering | Workflow Automation | Business Automation | Zapier Alternative | Make Automation | REST API Developer | GraphQL Developer | AWS Developer | Docker | CI/CD Pipeline | DevOps | MongoDB | PostgreSQL | MySQL | Redis | SaaS Developer | Web App Development | API Integration | Full Stack Engineer | Backend Developer | Frontend Developer
#FullStackDeveloper #PHPDeveloper #LaravelDeveloper #ReactDeveloper #NodeJSDeveloper #VuejsDeveloper #MERNStack #NextJSDeveloper #AIAutomation #n8nDeveloper #n8nWorkflow #GoHighLevel #GHLAutomation #GHLDeveloper #CRMIntegration #CRMAutomation #GPT5Integration #OpenAIAPI #ChatGPTIntegration #AIIntegration #LangChain #AIAgentDevelopment #PromptEngineering #WorkflowAutomation #BusinessAutomation #ZapierAlternative #MakeAutomation #RESTfulAPI #GraphQL #AWSDeployment #Docker #CICD #MongoDB #PostgreSQL #SaaSDeveloper #WebAppDevelopment #APIIntegration #BackendDeveloper #FrontendDeveloper #FullStackEngineer
Send me a message with what you are trying to build or automate. I will tell you the fastest way to get there before we discuss anything else.
Dhanesh E.
has worked
.
Associated with
Esferasoft Solutions Pvt Ltd | Top Rated Plus Agency
$45/hr
99%
Job Success
$1M+ earned
Available now
Offers consultations
Start of list.
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🥇 TOP 0,01% BEST DESIGNERS ON UPWORK
🥇 CERTIFIED BY GOOGLE & UPWORK
🥇 900+ SUCCESSFUL PROJECTS COMPLETED
🥇 RECOGNIZED PORTFOLIO: 25,500+ DRIBBBLE & 9,600+ BEHANCE FOLLOWERS
🎯 TRUSTED BY: GOOGLE, UBER, NESTLÉ, P&G, AB INBEV, RHB
Hi, I'm Yev. I partner with founders and product teams from Seed to Series B to take products from 0 to 1. As an experienced UX/UI designer and UI UX Designer, I don't just design screens — I build intuitive, high-performing digital products that drive growth. With over 10 years of experience in product design, creative direction, and web development, I bridge the gap between user needs and business goals.
✅ What I can bring to your product as a UX/UI designer.
❇️ Strategic User Experience Design:
As a Senior UX/UI designer, I create user experience strategies that boost usability and drive engagement. My UX designer approach (including UX research and user flows) has led to conversion increases of up to 150% for previous clients. I specialize in UIUX that makes complex systems simple.
❇️ Expert Web Design & Mobile App Design:
I specialize in mobile ui ux, iOS/Android app design, and responsive web design. I ensure a seamless user interface with a consistent look and feel across all platforms. Whether it's a mobile app ui ux designer task or a complex web design, I deliver pixel-perfect results as your lead UX/UI designer.
❇️ Figma Design & Prototyping:
As a Figma designer and expert UX/UI designer, I deliver high-fidelity wireframes, interactive prototypes, and design systems. I’ve delivered 5,000+ wireframes, helping streamline web development and reduce costly revisions. My expertise includes Figma ui designer roles and creating figma app design from scratch.
❇️ SaaS & Ecommerce Expertise:
Whether you need a UI UX designer SaaS Figma specialist for complex ui ux dashboards or a Shopify website design that converts, I focus on layouts that drive revenue. I am a shopify website designer and wordpress website designer who understands how a UX/UI designer impacts business metrics.
❇️ Technical Synergy & Handoff:
I understand the bridge between design and code. I provide assets for Figma to React, Figma to Webflow, Figma to WordPress, Figma to Shopify, and Figma to HTML/CSS implementation. This ensures your website design is implemented exactly as planned by a technical UX/UI designer.
✅ My achievements in numbers
❇️ UX/UI designer for Logistics SaaS (React):
Improved order processing efficiency by 200%.
Reduced human error by 50% through enhanced user interface design.
Cut manual work by 70%, boosting productivity for SaaS platforms.
❇️ Mobile App UI UX Designer for Health/Fintech:
2x user retention by redesigning the mobile app design.
3x onboarding speed through streamlined user flows and interactive prototyping.
✅ My full range of services.
I cover a wide range of specialized design services to ensure your brand stands out.
Web & Landing Pages: Landing page web design, landing page web designer, figma landing page, and wix web design.
Platform Specialist: Wix website designer, squarespace website design, webflow ui ux, and elementor expert.
Graphic Design: Graphic designer illustrator, logo design, motion graphic designer, social media graphic designer, and canva graphic designer.
Niche Expertise: UX/UI designer AI, crypto game ui ux designer, saas ui designer, and industrial designer logic.
E-commerce: UI UX designer ecommerce, shopify website design, wordpress website design, and website developer collaboration.
✅ My design process:
Discovery & UX Research: Understanding your product manager goals and user pain points.
Wireframing & Strategy: Creating ui ux web designer blueprints and wireframes.
UI Design & Branding: Developing the visual identity, ui graphics, and icons.
Prototyping: Building figma ui ux interactive models to test user journeys.
Development Support: Providing figma to html or figma to react specs for your web developer or full stack website developer.
✅ Why choose me?
I am a professional UX/UI designer with extensive skills in Graphic design. I create brand-aligned digital experiences, provide logo design services, and create a strong visual identity. With 25,500+ Dribbble and 9,600+ Behance followers, my work is recognized by the global design community.
UI/UX Figma Expert: Deep knowledge of auto-layout, components, and variables.
Full Stack Mindset: I work closely with website developers, virtual assistants, and facebook ads teams to ensure the design supports marketing and tech.
Whether you need a UI UX designer figma, a mobile ui ux designer, or a webflow specialist, I have the experience to take your product to the next level. I specialize in UIUX designer tasks that involve product designer thinking and ux designer empathy.
Ready to boost your conversions and drive business growth?
Hire a professional UX/UI designer today – Let’s connect! ☎️
Last updated: 11.05.2026
Yevhen L.
has worked
.
Associated with
ledo digital
$700K+
earned
$25/hr
94%
Job Success
$200K+ earned
Available now
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End of list.
I help startups and businesses build SaaS products, automate workflows, integrate third-party systems, and launch scalable software platforms.
I'm a Senior Full Stack Developer with 15+ years of experience specializing in SaaS platform development, AI integration, API automation, and custom web application development. I've delivered $200K+ across 180+ projects, building everything from multi tenant SaaS applications and AI powered systems to CRM platforms, ERP solutions, and marketplace development.
🏆 Top Rated Plus • $200K+ Earned • 180+ Projects
What I build:
• SaaS Platforms & Multi-Tenant Web Applications
• AI-Powered Features & OpenAI / Claude API Integrations
• CRM, ERP & Custom Business Management Systems
• REST API & Third-Party API Integration & Automation
• Workflow Automation & Business Process Automation
• Custom Admin Dashboards & Reporting Portals
• Marketplace Platforms & Subscription Billing Systems
• Cloud-Based Web Application Development (AWS)
My clients, SaaS startups, digital agencies, and scaling businesses, hire me when they need more than a developer. They need someone who understands business requirements, designs scalable software architecture, makes technical decisions, and delivers production-ready full stack development that actually holds up under real-world conditions.
Full Stack Tech:
React.js · Next.js · TypeScript · Vue.js · Laravel · PHP · Node.js · NestJS · PostgreSQL · MySQL · MongoDB · REST APIs · GraphQL · Webhooks · OpenAI API Integration · AWS · Docker · CI/CD
Whether you are building a SaaS product from scratch, automating business workflows, integrating third party APIs, developing a CRM or ERP system, or scaling an existing web application, I can turn your requirements into software that is secure, scalable, and built to last.
📩 Send me a message and let's scope it out.
𝐂𝐨𝐫𝐞 𝐒𝐤𝐢𝐥𝐥𝐬
SaaS Platforms • AI-Powered Applications • API Integrations • Business Automation • CRM & ERP Systems • Custom Web Applications • Marketplace Platforms • Multi-Tenant SaaS • Workflow Automation • React.js • Next.js • Node.js • Laravel • PHP • TypeScript • JavaScript • REST APIs • OpenAI API • AWS • PostgreSQL • MySQL • MongoDB • System Architecture • Cloud Infrastructure • Full Stack Development
Sarbjeet S.
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$40/hr
$1K+ earned
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⭐ Full Stack Developer | .NET | PHP | MERN | AI | Mobile App Developer | Flutter Developer | iOS & Android Specialist
I am a Full Stack Developer, Mobile App Developer, and Flutter Developer trusted by Google, Samsung, BMW, and LG. I help startups and enterprises build high-performance mobile apps and scalable web platforms using Flutter, .NET, PHP, MERN, Android, iOS, and AI technologies.
If you're looking for a dependable Flutter App Developer, iOS Developer, Android Developer, Full Stack Developer, or MERN Developer, I can take your project from concept → UI/UX → development → backend → deployment → scaling.
🚀 Why Clients Hire Me
Expert Full Stack Developer for web & mobile apps
Senior Flutter Developer for cross-platform mobile apps
Experienced iOS Developer & Android Developer for native apps
Strong .NET Developer, PHP Developer, and MERN Developer
AI-Driven App Development (chatbots, automation, ML features)
Delivered 50+ successful apps for global brands
Clear communication, fast delivery, and long-term support
Clients frequently choose me when searching for:
Full Stack Developer, Flutter Developer, Mobile App Developer, iOS Developer, Android Developer, .NET Developer, PHP Developer, MERN Developer, AI Developer.
💼 What I Do
📱 Mobile App Development
Flutter App Development (iOS + Android in one codebase)
iOS App Development (Swift, Xcode)
Android App Development (Kotlin, Java)
Firebase, REST API & cloud integrations
UI/UX implementation, app optimization & bug fixing
Full-cycle Mobile App Developer services from idea to rollout
🌐 Full Stack Web Development
MERN Stack Development (MongoDB, Express, React, Node.js)
.NET Web Development (ASP.NET, .NET Core)
PHP / Laravel Development
Custom REST API development
Admin panels, dashboards, CRMs, web portals, SaaS platforms
Backend architecture, authentication, cloud deployment
🤖 AI & Automation
AI-powered mobile & web apps
AI chatbot development
Intelligent automation systems
AI API integration (NLP, vision, recommendations, workflows)
🔧 Tech Stack Mobile
Flutter, Dart
Kotlin, Java
Swift, Xcode
Web / Backend
MERN Stack (MongoDB, Express, React, Node.js)
.NET, ASP.NET Core, C#
PHP, Laravel
JavaScript, jQuery
Firebase, SQL, MySQL
REST APIs, Cloud Integrations
⭐ Industry Expertise
Taxi Web & App Developer
Rideshare Web & App Developer
Food Delivery Web & App Developer
Grocery Delivery Web & App Developer
E-commerce Web & App Developer
Marketplace Web & App Developer
On-Demand Services Web & App Developer
Fitness Web & App Developer
Health & Telemedicine Web & App Developer
EdTech Web & App Developer
Learning Management (LMS) Web & App Developer
Job Portal Web & App Developer
Social Media Web & App Developer
FinTech Web & App Developer
Digital Wallet Web & App Developer
Crypto Wallet Web & App Developer
Inventory Management Web & App Developer
Real Estate Web & App Developer
Vehicle Rental Web & App Developer
Travel & Hotel Booking Web & App Developer
Auction & Bidding Web & App Developer
Subscription Web & App Developer
SaaS Web & App Developer
Productivity Web & App Developer
Event Management Web & App Developer
Dating Web & App Developer
Parenting Web & App Developer
Mental Health Web & App Developer
Meditation & Mindfulness Web & App Developer
Language Learning Web & App Developer
News & Magazine Web & App Developer
Podcast & Audio Streaming Web & App Developer
🎯 Ready to Build Your App or Platform?
Click Invite to Job and let’s bring your idea to life — mobile, web, or AI.
$75/hr
96%
Job Success
$30K+ earned
Available now
Offers consultations
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I build AI automation systems, AI agents, and full-stack web apps for businesses. Top Rated on Upwork with a 100% 5-star public review record. I diagnose before I build, communicate clearly, explain tradeoffs honestly, and ship systems that are reliable and maintainable in the real world.
Recent projects delivered:
• AI appointment setter: ManyChat + Make .com + Claude API DM agent that qualifies leads and books calls automatically
• AI sales-deck generator: Python + LLM pipeline that turns sales-call transcripts into personalized, client-ready Google Slides presentations
• 24/7 AI voice receptionist for a dental practice: answers calls, qualifies patients, schedules appointments
• Real-time SMS during live phone calls: Twilio + Retell AI + n8n integration
• Music streaming platform: React, Supabase, Stripe Connect payouts, HLS audio delivery
• Driver onboarding system, e-commerce marketplace build, restaurant marketing AI agent (n8n + OpenAI + Airtable), lead generation engine with LLM-based scraping and categorization, and professional website renovations for small businesses
What I can help with:
• AI agents, chatbots, voice assistants, intake systems, and LLM-powered tools
• Workflow automations, APIs, webhooks, and backend integrations
• Full-stack web apps, dashboards, portals, and business tools
• CRM, payment, phone/SMS, calendar, email, and operational workflows
• Data pipelines, reporting automation, and internal business systems
• Website improvements, launch-readiness fixes, and inherited-project rescue
Stack I work in daily: Python, TypeScript/JavaScript, React, Next.js, Supabase, Stripe, Twilio, Retell, vAPI, n8n, Make .com, OpenAI and Claude APIs, Google Workspace APIs. Also comfortable adapting to Django, HubSpot, GoHighLevel, WordPress, CRMs, and internal tools.
Credentials:
• Top Rated on Upwork, every public review 5 stars
• Make .com Advanced Certified, Camunda BPMN Certified, Airtable Certified
• Anthropic Academy certifications: Claude API, Model Context Protocol, agent development
• University of Maryland AI certification
If you need a builder who can understand the problem, pick the right approach, and deliver a working system, send me the details. I will tell you what I recommend, what it will take, and whether I am the right fit.
Patrick G.
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$30/hr
74%
Job Success
$10K+ earned
Available now
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Need an AI solution that actually works? I build intelligent systems that cut costs, automate boring work, and scale your business without the complexity.
I'm not just an AI developer. I'm a full-stack engineer who delivers complete, production-ready solutions from idea to deployment.
🤖 WHAT I BUILD FOR YOU:
Custom AI Chatbots & Assistants:
Build intelligent chatbots using GPT-4, Claude, or Gemini that handle customer support, lead qualification, and internal operations. Recent bot handles 500+ conversations daily with 95% accuracy.
AI Integration & Automation:
Connect AI to your existing tools and databases. Automate workflows that waste your team's time. Recent automation saved a client 25 hours per week in manual data entry.
Full Stack Web Applications:
Modern web apps using React, Next.js, Laravel, and Node.js. Fast, scalable, and built right the first time. Recently delivered a SaaS platform processing 10,000+ transactions monthly.
API Development & Third-Party Integration:
Build and connect APIs for Stripe payments, Twilio SMS, webhooks, CRMs, and any service your business needs. Clean code, proper documentation, zero headaches.
RAG Systems & Knowledge Bases:
Turn your company documents, PDFs, and data into AI-powered knowledge systems. Your AI will know your business inside out.
Voice AI & Phone Automation:
Intelligent voice agents for sales, support, and appointment booking. 99.8% uptime on high-volume campaigns.
🛠️ TECH STACK I USE:
AI & Machine Learning:
OpenAI GPT-4, Claude API, Gemini, LangChain, LangGraph, Pinecone, Qdrant, vector databases, RAG pipelines, fine-tuning, NLP
Frontend Development:
React.js, Next.js, Vue.js, TypeScript, JavaScript, Tailwind CSS, Material UI, Bootstrap, responsive design, modern UI/UX
Backend Development:
Node.js, Python, Laravel, PHP, FastAPI, Django, Express.js, REST APIs, GraphQL, microservices, serverless
Database & Storage
PostgreSQL, MySQL, MongoDB, Firebase, Supabase, Redis, cloud storage solutions
Cloud & DevOps
AWS (Lambda, EC2, S3, RDS), Vercel, Heroku, Docker, CI/CD pipelines, automated deployments
Automation & Integration
n8n, Zapier, Make, custom workflow orchestration, webhook systems
📊 REAL RESULTS FROM REAL PROJECTS:
AI support bot cut response time from 4 hours to 2 minutes
Automation pipeline eliminated 80% of manual data entry
Voice AI system managed 10,000+ calls with minimal human intervention
Full-stack dashboard increased client conversions by 40%
Laravel API integration connected 5 different business systems seamlessly
E-commerce chatbot generated 30+ qualified leads per day on autopilot
💼 WHO HIRES ME:
Startups building AI products from zero to launch
SaaS companies adding smart features to existing platforms
E-commerce businesses automating support and operations
Marketing agencies needing reliable technical execution
Enterprise teams tackling complex integration challenges
Laravel/PHP shops modernizing with AI capabilities
✅ WHY CLIENTS CHOOSE ME:
Complete Solutions
I deliver working AI systems integrated into polished interfaces that your users actually enjoy. Not half-finished code that needs another developer to fix.
Fast & Reliable Delivery
I've shipped 50+ projects on time and on budget. Fast turnaround without sacrificing quality.
Business Results Over Buzzwords
I optimize for ROI and user experience, not just using the latest tech. Your success is my success.
Clear Communication
Updates in plain English. You'll always know what's happening, why it matters, and what's next. No technical jargon unless you want it.
Risk-Free Start
Free 15-minute consultation before hiring. Let's validate your idea and map out the right approach with zero commitment.
🚀 MY PROCESS:
1. Quick discovery call to understand your goals and requirements
2. Technical proposal with clear timeline and milestones
3. Regular progress updates (daily or weekly, your choice)
4. Testing and refinement until it's perfect
5. Deployment, documentation, and complete handoff
⏱️ AVAILABILITY:
Open for hourly contracts and fixed-price projects. I can start immediately and typically deliver first working version within 1-2 weeks depending on scope.
Current availability: Taking new projects now
💬 LET'S BUILD SOMETHING:
Send me a message describing what you need. I'll respond within 2 hours with questions and a clear plan forward.
No sales pitch. No corporate speak. Just honest technical guidance and realistic timelines.
Looking forward to working together.
🔑 KEYWORDS: AI Developer, AI Integration, ChatGPT, Claude, Gemini, LangChain, RAG, Full Stack Developer, React, Next.js, Laravel, PHP, Node.js, Python, AI Chatbot Development, Voice AI, Automation, API Integration, OpenAI, LLM, Machine Learning, AI SaaS, FastAPI, Django, PostgreSQL, AWS, Microservices, AI Agent Development, NLP, Vector Databases, Pinecone
Ahmed T.
has worked
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