๐งญ Give me a problem I haven't solved before and I take it as a challenge, not a blocker. That's how a frontend-rooted developer ended up owning Postgres schemas, RLS policies, and backend logic solo โ I went and learned it because the product needed it, not because someone assigned it to me.
I build and ship production web apps end to end โ from UI and business logic through Supabase auth, Postgres, and RLS to deployment. Over 3 years I've worked solo on real products: multi-step signup flows, role-based ops tools, and SaaS dashboards. I pick the stack that fits the product, not the other way around.
๐ ๏ธ ๐ช๐ต๐ฎ๐ ๐ ๐๐ฒ๐น๐ถ๐๐ฒ๐ฟ
๐ป ๐๐ฟ๐ผ๐ป๐๐ฒ๐ป๐ฑ โ Vue 3, Nuxt (incl. Nuxt 4), React 19, TypeScript, Vite
Clear components, maintainable structure, complex workflows made simple for users.
โ๏ธ ๐๐ฎ๐ฐ๐ธ๐ฒ๐ป๐ฑ โ Supabase
Auth, Postgres, RLS, RPC/backend logic โ with real security constraints.
๐ ๐๐ฎ๐๐ฎ & ๐๐ผ๐ฟ๐บ๐ โ TanStack Query, React Hook Form + Zod (React)
Solid patterns for validation, caching, and optimistic updates.
๐จ ๐จ๐ โ Tailwind, shadcn/ui, Nuxt UI
Responsive layouts, accessible patterns, readable data presentation.
โ ๐ค๐๐ฎ๐น๐ถ๐๐ โ Tests where they matter, refactors when complexity shows up, code that stays stable as the product grows.
๐ ๐ฅ๐ฒ๐ฐ๐ฒ๐ป๐ ๐ฃ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐๐
๐๐ผ๐ฝ โ Open-source freelancer client & project hub
React 19, TypeScript, Vite, TanStack Query, Supabase + RLS
Auth, clients/projects/tasks CRUD, dashboard, calendar scheduling. Built with production patterns โ not a tutorial clone.
๐๐ป๐๐๐ฒ๐ฟ๐ถ๐ป๐ด-๐๐ฒ๐ฟ๐๐ถ๐ฐ๐ฒ ๐ฝ๐น๐ฎ๐๐ณ๐ผ๐ฟ๐บ โ Interactive pricing calculator (volume discounts), PayEngine checkout, 8-step signup flow. Live product serving real users.
๐ ๐๐น๐๐ถ-๐ฟ๐ผ๐น๐ฒ ๐ผ๐ฝ๐ฒ๐ฟ๐ฎ๐๐ถ๐ผ๐ป๐ ๐ฎ๐ฝ๐ฝ โ Calendar, invoicing, and scheduling across user roles with reliable date/time handling.
๐๐พ๐๐ฒ๐๐๐ฟ๐ถ๐๐บ โ Solo full-stack SaaS for farrier operations
Nuxt 4, Vue 3, Supabase + RLS
Auth, stables/horses, visits, scheduling, dashboards, calendar. In beta, iterating on user feedback.
๐งญ ๐๐ผ๐ ๐ ๐ช๐ผ๐ฟ๐ธ
I plan before I code, use AI for boilerplate and exploration, and review everything before it ships. I care about architecture and maintainability โ not just ticking off tasks. If something feels fragile, I'll say so early and propose a cleaner path.
๐ฏ ๐๐ผ๐ผ๐ฑ ๐ณ๐ถ๐ ๐ถ๐ณ ๐๐ผ๐ ๐ป๐ฒ๐ฒ๐ฑ ๐๐ผ๐บ๐ฒ๐ผ๐ป๐ฒ ๐๐ต๐ผ ๐ฐ๐ฎ๐ป:
- Build or extend a Vue/Nuxt or React product without heavy hand-holding
- Implement Supabase auth, database design, and RLS correctly
- Turn complex business logic into a clear, usable UI
- Own delivery from implementation through production
๐ Based in Serbia. Available for calls during EU and US business hours.
CSS
Front-End Development
Vue.js
JavaScript
GitLab
Git
HTML
Tailwind CSS
Nuxt.js
GitHub
API Integration
Khurshid A.
Chhagalnaiya, Bangladesh
$13/hr
4.6
39 jobs
Hi,
Iโm a Full-Stack Developer with 10+ years of experience building scalable web applications using Laravel, Vue 3, and MySQL โ now focused on AI-powered automation and integrations.
I specialize in connecting systems, automating workflows, and building smart applications that save time and reduce manual work.
๐ What I Do Best
โ AI + Automation Solutions
I build systems that automate business processes using tools like n8n and AI services.
โ CRM & API Integrations
Deep experience integrating platforms like HubSpot with custom applications.
โ Voice AI & Communication Systems
Worked with ElevenLabs for real-time voice generation and AI calling solutions.
โ Payment & Financial Automation
Experience integrating payment workflows and services like Mercury for automated transactions.
โ Full-Stack Development
Laravel + Vue 3 expert โ from backend architecture to modern frontend UI.
๐ผ Technical Expertise
Backend:
Laravel, Laravel Livewire, Lumen, CakePHP, CodeIgniter
Frontend:
Vue 3, Vuex, Pinia, JavaScript, Tailwind CSS, Bootstrap
Automation & AI:
n8n (workflow automation)
AI-assisted development (Claude CLI)
API integrations & system orchestration
Integrations:
HubSpot CRM
ElevenLabs (voice AI)
Payment systems (Mercury, Stripe, etc.)
Database & APIs:
MySQL, REST & SOAP APIs, system design
โก Why Clients Hire Me
I donโt just build apps โ I automate businesses
Strong experience with real-world integrations
Faster delivery using AI tools
Clean, scalable, production-ready code
Clear communication and reliability
๐ฏ What You Can Expect
Whether you need:
CRM integration
AI-powered automation
Voice AI system
Payment workflow automation
Or a full web application
๐ I can design and build a solution that fits your business.
MySQL
PHP
JavaScript
API Integration
AngularJS
Laravel
API Development
Database
Amazon S3
Tailwind CSS
Nuxt.js
Vue.js
Web Application
Marissa H.
Subang Jaya, Malaysia
$5/hr
4.8
3 jobs
I'm a Software Developer with hands-on experience in frontend development, API integration, SSO/authentication, and software testing.
In my current role, I develop and integrate Application SSO functionality into React and Vue applications, work with APIs and backend services, and troubleshoot integration issues across applications. I've also worked with Nuxt, JavaScript, SQL, Git, and database-driven applications.
Beyond development, I have practical experience in SIT and UAT, including working directly with clients to test application integrations, identify issues, and verify functionality. I also have previous experience as a Quality Assurance Engineer, where I tested web applications, reported and verified bugs, collaborated with developers, and performed data quality checks.
I can help with:
โข React and Vue development
โข API integration and troubleshooting
โข Login and authentication flows
โข SSO integrations
โข Frontend bug fixing and improvements
โข Web application testing and QA
โข SIT / UAT support
โข Test case and test script preparation
โข Bug investigation and verification
โข Technical documentation
I focus on writing clean, maintainable code and understanding the problem behind the task rather than simply implementing a quick fix. I'm comfortable working with existing codebases and integrating new functionality while keeping the existing UI and application behavior intact.
If you have a development, integration, or testing task, feel free to reach out and discuss what you need.
Web Development
Web Design
Java
JavaScript
SQL
React
Angular
Vue.js
Tailwind CSS
HTML5
CSS 3
Python Scikit-Learn
Adobe Photoshop
Adobe Illustrator
Adobe Premiere Pro
Mina R.
Girga, Egypt
$30/hr
5.0
27 jobs
I've delivered 6,700+ hours and $100K+ on Upwork with a 5.0 rating across 23 jobs, building production Vue/Nuxt/Next.js apps and, more recently, AI-powered products end to end.
Most recently I built Zvid, an AI video/image creation platform: a browser-based editor, a rendering pipeline, a validated JSON project schema, stock-media integrations, and an MCP/API layer that lets AI assistants generate videos programmatically. I designed the architecture, built the editor and rendering infrastructure, and shipped it to production.
What I do best:
Front-end: Vue 2/3, Nuxt, Next.js, React, TypeScript, Tailwind, complex SPAs, dashboards, editors, e-commerce
Back-end: Node.js, GraphQL, REST APIs, PostgreSQL, MySQL, MongoDB, Redis
AI integration: LangChain, LangGraph, RAG pipelines, OpenAI/Anthropic APIs, AI agents, MCP servers
Automation: n8n workflows connecting your CRM, email, and internal tools
Why clients keep me around: my three largest Upwork contracts ran 3,709, 1,896, and 320 hours, clients hire me for a task and keep me for years. I answer within 0โ4 hours, write clean, tested code, and explain technical trade-offs in plain language. I'm also in the top ranks on Stack Overflow (17,800+ reputation, 930+ answers), so debugging hard problems is literally what I do for fun.
A good fit if you need: a SaaS product built or rescued, AI features added to an existing app, an LLM agent or chatbot that actually works in production, or business processes automated with n8n.
Send me a message with what you're building, I'll reply with a concrete plan, not a template.
React
Vue.js
API Integration
Nuxt.js
LangChain
AI Implementation
Next.js
n8n
OpenAI API
AI Agent Development
Node.js
MySQL
MongoDB
JavaScript
PostgreSQL
Docker
Microservice
FFmpeg
Kubernetes
AWS Development
Dat C.
Ho Chi Minh City, Vietnam
$12/hr
5.0
3 jobs
Hi, Iโm a Computer Engineer with a strong background in both Software Development and Hardware/Embedded Systems. I also have experience supporting university labs and working on real-world engineering projects.
I can help you build systems from low-level hardware up to full-stack applications, ensuring everything works reliably and efficiently.
๐น Hardware & Electrical Engineering
Embedded systems development
Microcontrollers: ESP32, Arduino, STM32, NRF52840
Circuit design, debugging, and troubleshooting
Integration of sensors & actuators
Power systems and hardware reliability
๐น Robotics & Automation
Robot control systems
Motion control & system coordination
Sensor fusion
Automation and mechatronics systems
๐น CAD & Mechanical Design
CAD tools: SolidWorks, Fusion 360, AutoCAD
Mechanical part design & 3D modeling
Assembly design and prototyping
Design for Manufacturing (DFM)
๐น Professional Strengths
Strong engineering mindset
Detail-oriented and reliable
Able to work independently
Problem-solving focused
Good English communication
Microsoft Virtual Server
Software
Agile Software Development
Software Development
PCB Design
3D Design
Autodesk Fusion 360
KiCad
FreeRTOS
Karim Q.
Toronto, Canada
$40/hr
5.0
6 jobs
GTM & RevOps Engineer specializing in revenue automation, CRM architecture, and data infrastructure for B2B SaaS teams.
I design and build the systems that power go-to-market operations, lead routing, campaign attribution, outbound infrastructure, pipeline analytics, and meeting intelligence pipelines. My work sits at the intersection of sales ops, marketing ops, and data engineering.
Core stack: Salesforce (Sales Cloud, custom objects, Flows), HubSpot, Zapier, n8n, Clay, Apollo, Smartlead, Supabase, BigQuery, dbt, Python, SQL
What I build: webhook automations, ICP scoring models, CRM integrations, enrichment waterfalls, Salesforce-native reporting, AI-powered ops workflows, event-driven attribution systems
Currently at Archera, where I own GTM infrastructure end-to-end, from outbound sequencing and lead enrichment to transcript ingestion, WBR automation, and agentic analytics pipelines.
ETL
ETL Pipeline
Data Analysis
Artificial Intelligence
Automation
Zapier
n8n
API
dbt
Dashboard
Sisense
Tableau
HubSpot
Salesforce
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