Hire the Best Glassfish Developers

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Based on 27,630 client reviews
Taseel B.

Lahore, Pakistan

$20/hr
4.9
21 jobs

๐Ÿš€ Stop wrestling with chaotic workflows and rigid software. Letโ€™s build the exact tools your business needsโ€”faster, smarter, and with zero traditional engineering overhead. I am a Full-Stack No-Code & Automation Developer with 4+ years of hands-on experience building high-performance internal tools, scalable SaaS MVPs, and intelligent AI integrations. By combining the frontend power of Bubble, the internal tool speed of Retool, and the powerhouse automation of n8n, I transform messy business logic into streamlined, automated digital systems. Whether you are a startup racing to launch an MVP or an enterprise optimizing internal operations, I deliver production-ready software designed to cut manual work and scale seamlessly. ๐Ÿ”ง Core Technical Expertise App Development: Custom Admin Panels, Interactive Dashboards, B2B SaaS Platforms, Client Portals, and CRMs. Database & Backend Mastery: Complex SQL queries, PostgreSQL, MySQL, MongoDB, Firebase, Airtable, and Supabase. Integrations & APIs: Advanced REST APIs, GraphQL, Webhooks, and secure Role-Based Access Control (RBAC). AI & Next-Gen Automation: Advanced n8n workflow engineering, AI-driven data processing, and LLM tool integrations. UI/UX Logic: Responsive, clean, and user-friendly interfaces built with scalable, reusable components. ๐Ÿ’ผ Why Clients Choose Me Clients look for me when they need more than just someone who clicks buttons in a no-code editor. They hire me because I bridge the gap between deep technical data infrastructure and smooth business logic. From configuring automated data syncs to embedding smart AI features that eliminate repetitive administrative work, I build end-to-end ecosystems that work flawlessly together. โœ… What You Can Expect Production-Ready Speed: Rapid deployment of scalable, bug-free applications. Clean Architecture: Well-structured database schemas and highly maintainable logic. Transparent Communication: Regular updates, clear milestones, and collaborative problem-solving. End-to-End Support: Post-launch optimization, system maintenance, and scaling roadmaps. ๐Ÿ“ฅ Ready to turn your ideas into powerful automated systems? Click the "Invite" or "Message" button, outline your project goals, and let's build something exceptional together!

  • App Design
  • API Integration
  • API Development
  • MongoDB
  • PostgreSQL
  • Data Visualization
  • No-Code Development
  • Low-Code Development
  • Bubble.io
  • Automated Workflow
  • SaaS Development
  • Software Development
  • Web Development
  • Web Application Development
  • Full-Stack Development
  • AI Development
  • n8n
  • Artificial Intelligence
  • Chatbot Development
  • CRM Automation
Usama B.

Lahore, Pakistan

$25/hr
4.9
61 jobs

๐‹๐จ๐ฏ๐š๐›๐ฅ๐ž, ๐‘๐ž๐ฉ๐ฅ๐ข๐ญ, ๐…๐ซ๐š๐ฆ๐ž๐ซ, ๐‚๐ฎ๐ซ๐ฌ๐จ๐ซ, ๐๐š๐ฌ๐ž๐Ÿ’๐Ÿ’ ๐š๐ง๐ ๐‚๐ฅ๐š๐ฎ๐๐ž ๐œ๐š๐ง ๐›๐ฎ๐ข๐ฅ๐ ๐ญ๐ก๐ž ๐Ÿ๐ข๐ซ๐ฌ๐ญ ๐Ÿ–๐ŸŽ%. I help founders finish the last ๐Ÿ๐ŸŽ% that determines whether the product actually launches. If your app demos well but breaks under real usersโ€”data stops persisting, auth becomes unreliable, payments fail, AI workflows become unstable, or performance collapses under scaleโ€”I step in. I specialize in turning ๐€๐ˆ-๐ ๐ž๐ง๐ž๐ซ๐š๐ญ๐ž๐ ๐š๐ฉ๐ฉ๐ฌ ๐ข๐ง๐ญ๐จ ๐ฉ๐ซ๐จ๐๐ฎ๐œ๐ญ๐ข๐จ๐ง-๐ซ๐ž๐š๐๐ฒ ๐ฌ๐ฒ๐ฌ๐ญ๐ž๐ฆ๐ฌ. ๐–๐ก๐š๐ญ ๐ˆ ๐ก๐ž๐ฅ๐ฉ ๐ฐ๐ข๐ญ๐ก: โ€ข Stabilizing AI-built apps before launch โ€ข Fixing backend, database and save-state issues โ€ข Hardening authentication and security flows โ€ข Scaling architecture for real usage โ€ข AI workflow reliability and orchestration โ€ข Subscription, payment and API integrations โ€ข Performance optimization and deployment ๐“๐ฒ๐ฉ๐ข๐œ๐š๐ฅ ๐ฌ๐ญ๐š๐œ๐ค: AI Development โ†’ Lovable, Replit, Cursor, Claude, Framer, Base44 Backend & Infrastructure โ†’ Supabase, PostgreSQL, Node.js, NestJS, Next.js AI Systems โ†’ OpenAI, Claude, LangChain, RAG, Pinecone, Weaviate Automation โ†’ Make, Zapier, custom workflows ๐–๐ก๐š๐ญ ๐ˆ ๐›๐ฎ๐ข๐ฅ๐: โ€ข Production-ready AI SaaS products โ€ข AI agents and internal tools โ€ข Customer-facing AI applications โ€ข AI workflow automation systems โ€ข Existing app rescue and stabilization โ€ข Custom full-stack AI products ๐Œ๐ฒ ๐š๐ฉ๐ฉ๐ซ๐จ๐š๐œ๐ก: 1. Audit where the generated architecture breaks 2. Stabilize the backend and data model 3. Improve reliability and scale readiness 4. Launch with confidence You do not need another developer adding features. You need someone who knows where AI-generated systems failโ€”and how to make them hold up in production. ๐Œ๐ž๐ฌ๐ฌ๐š๐ ๐ž ๐ฆ๐ž ๐๐ข๐ซ๐ž๐œ๐ญ๐ฅ๐ฒ ๐š๐ง๐ ๐ญ๐ž๐ฅ๐ฅ ๐ฆ๐ž ๐ฐ๐ก๐ž๐ซ๐ž ๐ฒ๐จ๐ฎ๐ซ ๐š๐ฉ๐ฉ ๐ข๐ฌ ๐ ๐ž๐ญ๐ญ๐ข๐ง๐  ๐ฌ๐ญ๐ฎ๐œ๐ค. Keywords: Lovable, Lovable.dev, Lovabe bugs, Lovable issues, AI Developer, Replit, Replit Developer, Cursor, Claude, Lovable expert, Lovable MVP, Lovable app builder, Framer, Framer Designer, Framer Developer

  • Artificial Intelligence
  • AI Chatbot
  • AI Development
  • AI Agent Development
  • AI Model Integration
  • AI Platform
  • API Integration
  • AI Builder
  • AI Consulting
  • AI Text-to-Image
  • Node.js
  • React
  • TypeScript
  • Next.js
  • MERN Stack
  • Replit
  • No-Code Website
  • Low Code & RAD Software
  • Claude
Saram A.

Rawalpindi, Pakistan

$14/hr
5.0
1 jobs

๐—•๐˜‚๐˜€๐—ถ๐—ป๐—ฒ๐˜€๐˜€๐—ฒ๐˜€ ๐—ฑ๐—ผ๐—ป'๐˜ ๐—ป๐—ฒ๐—ฒ๐—ฑ ๐—บ๐—ผ๐—ฟ๐—ฒ ๐—”๐—œ ๐˜๐—ผ๐—ผ๐—น๐˜€. ๐—ง๐—ต๐—ฒ๐˜† ๐—ป๐—ฒ๐—ฒ๐—ฑ ๐˜€๐˜†๐˜€๐˜๐—ฒ๐—บ๐˜€ ๐˜๐—ต๐—ฎ๐˜ ๐—ฟ๐—ฒ๐—ฑ๐˜‚๐—ฐ๐—ฒ ๐—บ๐—ฎ๐—ป๐˜‚๐—ฎ๐—น ๐˜„๐—ผ๐—ฟ๐—ธ, ๐—ฐ๐—ผ๐—ป๐—ป๐—ฒ๐—ฐ๐˜ ๐˜๐—ต๐—ฒ๐—ถ๐—ฟ ๐˜„๐—ผ๐—ฟ๐—ธ๐—ณ๐—น๐—ผ๐˜„๐˜€, ๐—ฎ๐—ป๐—ฑ ๐—ต๐—ฒ๐—น๐—ฝ ๐˜๐—ฒ๐—ฎ๐—บ๐˜€ ๐—ฑ๐—ผ ๐—บ๐—ผ๐—ฟ๐—ฒ ๐˜„๐—ถ๐˜๐—ต๐—ผ๐˜‚๐˜ ๐—ต๐—ถ๐—ฟ๐—ถ๐—ป๐—ด ๐—บ๐—ผ๐—ฟ๐—ฒ ๐—ฝ๐—ฒ๐—ผ๐—ฝ๐—น๐—ฒ. I'm an AI Systems Architect and OpenClaw Specialist with 3+ years of experience building AI agents, business automation systems, RAG solutions, and full-stack AI applications that run reliably in production. ๐—ช๐—ต๐—ฎ๐˜ ๐—œ ๐—ฐ๐—ฎ๐—ป ๐—ต๐—ฒ๐—น๐—ฝ ๐˜„๐—ถ๐˜๐—ต: - AI Agents and Task Automation - Business Workflow Automation - OpenClaw Setup and Custom Development - RAG and Internal Knowledge Systems - Full-Stack AI Applications - API Integrations and System Connectivity - Internal Tools and Operational Dashboards - MCP Servers and Custom Tool Integrations ๐—œ๐—ป๐—ฑ๐˜‚๐˜€๐˜๐—ฟ๐—ถ๐—ฒ๐˜€ ๐—œ ๐˜„๐—ผ๐—ฟ๐—ธ ๐˜„๐—ถ๐˜๐—ต: - E-commerce and SaaS my main focus - Also work with agencies, logistics, real estate, and more ๐—ช๐—ต๐—ฎ๐˜ ๐—บ๐—ฎ๐—ธ๐—ฒ๐˜€ ๐—บ๐—ฒ ๐—ฑ๐—ถ๐—ณ๐—ณ๐—ฒ๐—ฟ๐—ฒ๐—ป๐˜: - I focus on solving real business problems, not adding unnecessary complexity - I take projects from planning all the way to deployment - I build things that teams can actually use every day - I hold relevant certifications in AI and cloud technologies - You can see my work in action live demos available on request ๐—ฅ๐—ฒ๐—ฐ๐—ฒ๐—ป๐˜ ๐˜„๐—ผ๐—ฟ๐—ธ ๐—ถ๐—ป๐—ฐ๐—น๐˜‚๐—ฑ๐—ฒ๐˜€: - Built AI agents that helped teams handle the workload of 3-5 extra people without expanding the team - Developed OpenClaw assistants that use tools, remember context, and complete tasks across workflows - Created internal document and knowledge search systems - Built full AI applications from planning and design to live deployment - Connected AI systems with APIs, databases, and existing business software ๐—–๐—ผ๐—ฟ๐—ฒ ๐—ง๐—ฒ๐—ฐ๐—ต๐—ป๐—ผ๐—น๐—ผ๐—ด๐—ถ๐—ฒ๐˜€: OpenClaw โ€ข Python โ€ข FastAPI โ€ข LangChain โ€ข LangGraph โ€ข RAG โ€ข PostgreSQL โ€ข React โ€ข Next.js โ€ข Node.js โ€ข TypeScript โ€ข Docker โ€ข OpenAI โ€ข Claude โ€ข MCP ๐—Ÿ๐—ฒ๐˜'๐˜€ ๐—ง๐—ฎ๐—น๐—ธ: If you want to automate your operations, reduce manual work, or build an AI-powered system , send me a message and let's get it built.

  • Claude
  • AI Agent Development
  • Business Process Automation
  • LangChain
  • Retrieval Augmented Generation
  • FastAPI
  • Next.js
  • REST API
  • CI/CD
  • Node.js
  • TypeScript
  • Docker
  • AI App Development
  • Software Architecture & Design
  • Software Architecture
  • OpenAPI
  • Full-Stack Development
  • UI/UX Prototyping
  • App Design
  • Prototype
Ayoub S.

Fes, Morocco

$55/hr
5.0
48 jobs

100% Job Success Score. 45+ contracts delivered. Zero failed launches. I build SaaS platforms, AI-powered products, and automation systems end to end โ€” from architecture to deployment. Startups hire me to ship their MVP fast. Growing businesses hire me to build the tools and dashboards their teams actually use. Either way, the goal is the same: something that goes live, gets users, and holds up at scale. Previously shipped production systems at Orange and General Electric. Now I work with founders and product teams who need that same engineering quality without the enterprise overhead. โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ WHAT I BUILD โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ SaaS Platforms and MVPs Multi-tenant architecture, role-based access, subscription billing, admin dashboards. The full product โ€” not just a prototype. I own the entire stack from database schema to deployment. AI-Powered Applications LLM integrations, RAG pipelines, AI copilots and chatbots embedded into products that work reliably in production โ€” not just impressive in demos. Automation Workflows n8n, Make, and Zapier systems that eliminate the manual work slowing your team down. Custom API logic, real-time data sync, approval flows, and reporting pipelines. Interactive Dashboards Real-time KPI tracking, geospatial maps, and multi-source data terminals. Built to be glanceable, fast, and decision-ready. Full-Stack Web Development React and Next.js frontend, Node.js and NestJS backend, PostgreSQL, deployed on AWS with Docker and CI/CD pipelines. โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ PROJECTS SHIPPED โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ 1. K-12 SEL SaaS โ€” TspeaksNYC Multi-role platform for school districts: student dashboards, teacher portals, curriculum delivery, and daily check-ins aligned to CASEL standards. Role-based auth covering Teacher, Student, and Admin. Designed to scale from a single school to a full district. 5-star review across all dimensions, client returning for next phase. 2. Automation System โ€” n8n, Google Sheets, Discord End-to-end pipeline connecting an AI node, Google Sheets sync, and a Discord approval workflow. Handles reruns and real-time updates with no manual intervention. Client: "Ayoub is an n8n expert, quick and effective. We will definitely hire him again." 3. AI Fitness SaaS โ€” APEX Production-ready fitness platform: 9 responsive dashboard screens, real-time workout tracking, Recharts data visualization, Framer Motion interactions, and an AI coaching layer. Dark editorial aesthetic inspired by Linear and Whoop. Blank canvas to launch-ready in a single sprint. 4. Real Estate Fintech โ€” TitleFlow Turns mobile home title transfers from a 6-week paper process into a 5-day fully online flow. Marketing site with scroll animations, OAuth with Seller and Buyer roles, client portal, and admin dashboard. Stack: React 19, TanStack, TypeScript, Tailwind v4. 5. US Housing Market Data Terminal Broadcast-ready terminal for a real estate YouTube channel. Live data across all 50 states via Mapbox GL JS choropleth map โ€” median price, YoY change, days on market, inventory. Metric switching, hover tooltips, click-to-zoom. Automated ingestion from Zillow and Redfin, no manual uploads. 6. Business Performance Dashboard Unified real-time view across 6 data sources โ€” CRM, ERP, marketing, support, IoT sensors, and spreadsheets. Bold glanceable KPIs, live team leaderboard, OKR tracking, department comparisons, and an animated data-source map. Built for desktop and wall-mounted office displays. 7. Dental SaaS โ€” PerioChart Pro Cloud-native SaaS built for dental and periodontal practices. Clinical charting engine with voice-activated input and smart analytics, practice management with billing and e-prescriptions, and a patient portal with secure sharing and compliance-ready PDF exports. Stack: React, NestJS, PostgreSQL. 8. Football Ticket Marketplace Real-time platform for Champions League, El Clasico, and FIFA World Cup 2026. Supabase live inventory, Shopify checkout, live scarcity badges, instant e-ticket delivery. 50,000+ tickets sold across 18 events in 8 countries with 100% secure delivery rate. โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ TECH STACK โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ Frontend: Next.js - React - TypeScript - Tailwind CSS Backend: Node.js - NestJS - FastAPI - PostgreSQL AI / LLM: LangChain - OpenAI API - RAG - Vector DBs Automation: n8n - Make - Zapier - Custom API integrations Infrastructure: AWS - Docker - CI/CD - GitHub Actions โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€ Clients describe me as reliable, committed to quality, solution-oriented, and a clear communicator โ€” consistently across 45+ contracts. Have an idea, a half-built product, or a process to automate? Send me a message with your brief โ€” even a rough idea works. I respond instantly.

  • MERN Stack
  • JavaScript
  • React
  • Angular
  • NestJS
  • Spring Boot
  • Java
  • Python
  • Web Development
  • Front-End Development
  • Back-End Development
  • HTML
  • CSS
  • AI Platform
  • Web Application
  • API Integration
Jesus Eduardo C.

Ciudad Valles, Mexico

$45/hr
5.0
2 jobs

I'm a ๐’๐ž๐ง๐ข๐จ๐ซ ๐“๐ž๐œ๐ก๐ง๐ข๐œ๐š๐ฅ ๐„๐ง๐ ๐ข๐ง๐ž๐ž๐ซ with strong experience delivering scalable ๐‘บ๐’‚๐’‚๐‘บ, ๐‘ณ๐’†๐’ˆ๐’‚๐’, ๐‘ฏ๐’†๐’‚๐’๐’•๐’‰๐’„๐’‚๐’“๐’†, ๐‘จ๐’…๐‘ป๐’†๐’„๐’‰, and ๐‘จ๐‘ฐ ๐’”๐’š๐’”๐’•๐’†๐’Ž๐’”. I specialize in building full-stack and cloud-native applications with a focus on performance, reliability, and clean architecture. I work across both frontend and backend development, using React, JavaScript/TypeScript, and modern UI architectures, alongside backend technologies including Python (FastAPI, Django), Node.js, Go (Golang), and PHP (Laravel). I design and build robust REST/GraphQL APIs, microservices, and real-time systems. On the cloud and DevOps side, I have deep experience with AWS, Docker, Kubernetes, CI/CD pipelines, and Terraform, delivering production-ready systems with strong scalability and observability. In AI and data-driven systems, I build RAG pipelines, agentic systems, and LLM-powered applications using tools like LangChain, LangGraph, OpenAI, Claude, Gemini, LLaMA, and AWS Bedrock. I focus on delivering end-to-end solutionsโ€”from frontend interfaces to backend infrastructure and AI integrationsโ€”built for real-world, high-scale production environments.

  • Python
  • JavaScript
  • TypeScript
  • PHP
  • Golang
  • FastAPI
  • Django
  • Node.js
  • Laravel
  • Next.js
  • React
  • Artificial Intelligence
  • AI Agent Development
  • DevOps
  • Amazon Web Services
  • CI/CD
  • PostgreSQL
  • SaaS
  • Legal Software
  • Healthcare Software
Huy T.

Hanoi, Vietnam

$30/hr
4.8
40 jobs

Software Engineer with 10 years of experience building SaaS products, internal platforms, and cloud-native applications. I've worked across startups, outsourcing companies, and large organizations, helping teams build and scale products from early-stage MVPs to production systems serving thousands of users. My experience spans multiple technology stacks, including Node.js, Python, Rust, React, Next.js, PostgreSQL, and AWS. Throughout my career, I've worked with frameworks such as Django, FastAPI, Laravel, Ruby on Rails, and NestJS, allowing me to adapt quickly to different products and engineering environments. Areas where I bring the most value: โœ” Full-stack web application development โœ” Backend systems and API design โœ” Cloud infrastructure and DevOps on AWS โœ” AI-powered applications using OpenAI, Claude, and modern LLM technologies โœ” Workflow automation and system integrations Recent areas of focus: โœ” AI chatbots and copilots โœ” RAG and knowledge-based AI systems โœ” AI agents and workflow automation โœ” Serverless and cloud-native architectures โœ” SaaS product development Core technologies: Node.js, Python, Rust, TypeScript, React, Next.js, PostgreSQL, AWS, Docker, Terraform, OpenAI, Claude, n8n

  • JavaScript
  • React
  • Next.js
  • Python
  • Node.js
  • Ruby
  • Ruby on Rails
  • MySQL
  • Bootstrap
  • Docker
  • Terraform
  • NestJS
  • Amazon Web Services
  • Vue.js
  • Rust

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