Senior Java Fullstack Developer with 6+ years of experience building scalable, cloud-native enterprise systems using Spring Boot, React, Angular, Microservices, and AWS. I specialize in: - Java/Spring Boot backend development & REST API design - Microservices architecture with Docker & Kubernetes - Cloud deployment on AWS (EC2, S3, Lambda, RDS) - Frontend development using React, Redux, Angular, TypeScript - Database optimization (PostgreSQL, MySQL, MsSQL, Oracle, Sybase, MongoDB, Apache Solr, Redis, Elasticsearch, DynamoDB) - Event-driven systems with Apache Kafka & RabbitMQ - CI/CD pipelines with Jenkins, Maven & Git Projects I've delivered include real-time analytics platforms, fintech payment systems, e-commerce backends, and enterprise SaaS applications — all built for high availability and performance at scale. Top Rated Plus on Upwork (Top 3%) | 100% Job Success | Toptal Qualified (Top 3% Global Talent) If you need a reliable Java developer to architect and deliver production-ready backend systems, let's connect.

🙋‍♂️ With over 10+ years of programming experience and more than 7+ years dedicated to Software Development and Information Technology, I have honed my expertise in a range of critical areas including Web and AI Application or Solution Development, Database Management, Server-Side Programming, and Software Management. 🧑‍💻 My approach to coding emphasizes maintainability and scalability throughout the entire software development lifecycle. When crafting web-based applications, I prioritize user experience as a paramount concern, ensuring that user interfaces are not only trendy and modern but also maintain a high level of professionalism. This dedication to user-centric design is where my proficiency in Front-End development shines, enabling me to deliver seamless and exceptional user experiences. On top of my expertise, I use Github Copilot , which makes my work crazy fast and smart, for quick client delivery. 🕵️‍♂️ Moreover, I specialize in efficiently managing data servers to ensure secure and smooth communication between the front-end application layer and the back-end layer, contributing to the overall robustness and reliability of software solutions. 🛎️ My Services 🔹 Small to Large Scale Web and AI application development from Scratch (N-Tier, Monolithic, Microservices) 🔹 AI application or solution development using Foundation Model (OpenAI API integrations, ChatGPT, DeepSeek or similar), text embedding, PineCone vector Database implementation for RAG (includes text and image training) or similar application. Custom AI chatbot, AI Agent or Knowledge-base development. Video tools using Veo 3, Sora, Kling AI or similar APIs. Go all Microsoft with Azure - OpenAI, AI Search, Vision AI, Custom Vision, Cosmos DB, Blob Container 🔹 Front-End Development using Vue.js (Vue 2 or Vue 3, HTML, CSS, ES6, TypeScript) 🔹 UI/UX or Prototype design using Figma 🔹 Figma design to Page development using HTML, CSS, JS or Vue.js 🔹 Responsive UI development for all screen sizes like desktop, mobile, tablet etc. (pixel perfect) 🔹 API integrations in the Front-End using AXIOS / Fetch or other. 🔹 Back-End API development using Node.js, Express.js, JWT for Security (Rest API) 🔹 Entire database development and management using MS SQL / MySQL / Firebase / Mongo 🔹 Automated / End-to-End Tests for any Website or API, using TestCafe (JavaScript framework) 🔹 Load / Stress test of API or Website using Octoperf, Kibana and Grafana 🔹 Any kind of Management System, E-Commerce, Social Media, or totally Custom Software Development. 🔹 Research and Develop any AI, particularly Machine Learning, based application or product 🔹 Data Visualization, Big Data analysis and Report generation from User or Business data 🔹 Deploying / Hosting web application using Amazon Web Services (AWS) or Custom 💼 Expert In 🔹 Front End: Vue 2 & 3, Nuxt, TypeScript, Axios, VUEX, Pinia, Bootstrap, Vuetify, Quasar, jQuery. 🔹 Back End / Server: Node.js, AWS (EC2, S3, Lambda), Express.js, GraphQL, CI/CD (Jenkins). 🔹 AI: OpenAI API integrations, ChatGPT, DeepSeek, Grok, Gemini or similar LLM usage, RAG operations, knowledge-base using PineCone vector database, AI chatbot or agent development. Azure - A. OpenAI, A. AI Search, A. Vision AI, Custom Vision, A. Cosmos DB, A. Blob Container 🔹 Database: MySQL, Firebase, MS SQL, PineCone (vector database) 🔹 Design Tools: Figma, Adobe XD, Adobe Photoshop, Adobe Illustrator. 🔹 Project Management Tool: Bitbucket, GitHub, Jira, Azure DevOps, MS Teams, Trello. 🔹 Other: ChatGPT or any LLM, Knowledge Base, NLP, Artificial-Intelligence based web application development. 🎓 Education 🔹 Master's Degree in Computer & Electrical Engineering, Canada. (2 yrs) 🔹 Bachelor's Degree in Computer Science & Engineering, Bangladesh. (4 yrs) Feel free to ping 👋 me on Upwork to discuss ideas. I am sure I can help you out with a Software Solution. If it doesn't match up, we can always go our own directions.

My professional foundation combines experience as an AI trainer, data scientist, prompt engineer, and translator. I'm a QA, UI, UX tester practicing Python, focusing on DL, ML, NLP with a decade of freelancing experience in top online platforms and content editing, localization, and proofreading skills with Bachelor of English Linguistics from Hacettepe University. What I do: My day-to-day work now ranges from designing prompt architectures and evaluating large-language models at Twinciti AI to co-founding Minimalisfy, an AI-driven e-commerce venture for which I auto-generated product visuals and synchronised listings across multiple marketplaces. Through Me the Tech, I architect end-to-end solutions such as data pipelines, full-stack web apps, AI automation- and advise teams on strategy, digital transformation, and open-source adoption. I also contribute human-centred UX testing for the Center for Hybrid Intelligence at Aarhus University, translating research insights into interface improvements while assisting developers in debugging process. What I deliver: - AI training: designing and refining model training pipelines and instructional data workflows - Content editing, localization, and meticulous proofreading for global audiences - Data science: developing analytics pipelines, feature engineering, and statistical modeling - Deep learning and machine learning: architecting, fine-tuning, and evaluating neural networks - Natural-language processing: from tokenization and semantic parsing to text generation - Prompt engineering and RAG design: crafting effective prompts and retrieval-augmented generation frameworks - Python development: writing production-grade code for AI models, web services, and automation scripts - QA, UI, and UX testing: conducting manual and automated assessments to optimize usability - Strategic solution architecture: designing and implementing end-to-end AI systems What tools I use: ABBYY 15 · Adobe Creative Cloud · Adobe Dreamweaver · Adobe Photoshop · AutoHotKey · Basecamp · ChatGPT · Claude · Deepseek · Discord · Figma · Gemini · Git & GitHub · Google Analytics · Google Drive · Grok · HTML5/CSS3 · Hugging Face · JavaScript · Jupyter Notebook · Keyman · MemoQ · Microsoft Copilot · Meta AI · Miro · NLTK/spaCy · Node.js · Notion · Office 365 Enterprise · OpenAI · Pandas/NumPy · Perplexity · PyCharm · Python · PyTorch · Scikit-learn · SDL Trados · Slack · SQL · VS Code · WebStorm · Wix

I engineer production-grade AI systems that think, act, and deliver outcomes. I help startups, enterprises, and founders turn AI into working systems fast. I build intelligent agents, RAG-based chat apps, multi-modal tools, and end-to-end automated workflows using the best in LLMs, vector databases, and agent frameworks. From AI chatbots to fully autonomous agents with memory, tools, and reasoning. I design solutions that solve real problems and scale with your business. ✳What I Build ✅Autonomous AI Agents: LangChain Agents, CrewAI, LangGraph, and AutoGen ✅AI-Powered Apps (Web & Mobile): React + FastAPI/Django, OpenAI, Claude, Mixtral 8x7B, and DeepSeek, ChromaDB, Pinecone, or Weaviate ✅Voice AI Assistants: Vapi, Retell AI, Bland AI with ElevenLabs for realistic voice ✅AI Automation & Workflows: n8n, Zapier, and Make 👩‍💻Tech Stack & Tools👩‍💻 ✅LLM Models: OpenAI GPT-4 / GPT-3.5, Claude 3, Gemini Pro, Grok, DeepSeek, LLaMA, Mixtral 8x7B, Amazon Titan, Mistral Fine-tuning, function calling, and context injection using LangChain, OpenAI Functions, or custom logic ✅Agent Frameworks: LangChain Agents, CrewAI, LangGraph, AutoGen, OpenAI Swarm, ReAct & Plan-and-Execute architectures ✅Vector DBs: Pinecone, ChromaDB, Weaviate, FAISS, Qdrant – with metadata filtering, hybrid search, and semantic ranking ✅Backend: Python, FastAPI, Flask, Django, Node.js – with REST APIs, webhook listeners, and OpenAPI support ✅Frontend: React, Next.js, Vue, Angular, Svelte, React Native – built with TailwindCSS, REST/GraphQL integrations ✅Automation: n8n, Make (Integromat), Zapier – for event-based triggers, multi-branch logic, and conditional workflows ✅Deployment: AWS (EC2, Lambda, S3, CloudFront), Vercel, Firebase, Docker, GitHub Actions, Railway ✅Databases: PostgreSQL, MongoDB, Redis, Neo4j, MySQL, SQLite – plus vector store integrations for hybrid search ✳Projects AI Lesson Plan Generator 📌Built a secured AI platform where educators can create, edit, and export lesson plans 📌Powered by GPT-4, the system supports user roles, document storage, and backend admin tools to manage prompts and plan templates AI Legal Assistant for Lawyers 📌RAG-based legal chatbot trained on Egyptian court filings and legal PDFs 📌Extracts, analyzes, and drafts legal pleadings and citations using OpenAI + ChromaDB with embeddings WhatsApp Agent for Luxury Watch Sellers 📌Agentic WhatsApp bot that uses LLM-driven flows to collect model, condition, urgency, and photos 📌Uses multi-turn conversations and context memory to output a qualified lead summary Let’s Build Together If you’re looking to launch an AI tool, automate complex processes, or integrate LLMs into your workflow, I can help you go from idea to execution fast. I focus on speed, scalability, and long-term value.

Are you a founder who needs to launch an AI-powered SaaS product fast—without the typical 6-month development nightmare? I've built 12+ MVPs from idea to launch in 6-8 weeks each. My 100% Job Success Score means one thing: I deliver working products that make money, not excuses. What I Build: AI-powered SaaS applications (ChatGPT, Claude, custom LLMs) Full-stack web apps that scale (React, Node.js, Next.js) Computer vision and image processing platforms Real-time systems and intelligent automation Why Clients Choose Me: Most developers overcomplicate. I build lean, launch fast, then iterate based on real user feedback. You get: ✅ Weekly demos (not monthly "still working on it" updates) ✅ Clean, documented code other devs actually want to maintain ✅ AI integrations that add real value, not just buzzword points ✅ Someone who speaks both tech and business My Approach: Week 1: We nail down your core features (not build everything at once) Weeks 2-6: I build and show you working versions every week Weeks 7-8: Polish, deploy, and hand you the keys Recent Projects That Made an Impact: 🦷 AI Dental Smile Simulation Platform Built an AI-powered platform where patients upload selfies and instantly see their smile after veneers, orthodontics, or whitening treatment. The result? Dental clinics increased treatment conversions by giving patients confidence before they commit. Used computer vision AI to transform smiles in real-time. 📿 Islamic Educational Platform (10K+ Active Users) Created a comprehensive Islamic learning app featuring Quran with translations, educational reels, community chat, and mentor connections. Integrated real-time messaging, content management, and user authentication to serve a global Muslim community seeking authentic Islamic education. Tech I Use Daily: Frontend: React, Next.js, TypeScript Backend: Node.js, PostgreSQL, MongoDB AI: OpenAI, Claude, computer vision models Cloud: AWS (EC2, Lambda, S3), Vercel, Digital Ocean 6+ years building production apps. Top Rated. 100% success rate. Need an MVP that launches in weeks, not months? Send me a message with your idea and I'll tell you honestly if I'm the right fit. Why These Projects Work: ✅ Dental Platform - Shows AI + image processing + B2B SaaS experience ✅ Islamic App - Demonstrates you can build complex social platforms with real users ✅ Diverse Industries - Healthcare + Education = you're not a one-trick pony ✅ Real Impact - "increased treatment conversions" and "10K+ users" = business results

No-Code Automation Specialist | Zapier & Python AI Integrations I build fast, reliable workflows that save businesses 15–20 hours per week on repetitive tasks. Combining Harvard CS50AI training (machine learning, search algorithms, graph ranking) with hands-on Zapier expertise, I deliver both simple no-code automations and AI-enhanced solutions (lead scoring, custom scripts, intelligent filtering). Specialize in: Real-time data pipelines AI-powered lead qualification Scalable team notifications & task management Available for one-off projects or ongoing retainers. Message me to discuss your workflow.

I help businesses automate workflows and integrate AI into their systems using automation platforms and AI agents. From chatbots to backend automations, I design efficient systems that save time and scale with your business. 🚀 What I can do for you: - Build AI automations using tools like n8n, Make, OpenAI API, and custom tooling - Connect your tools so they talk to each other (Slack, Gmail, Google Sheets, your CRM, your database) - Build AI chatbots and virtual assistants that handle customer support, qualify leads, or take repetitive tasks off your team's plate - Design and ship custom web apps and dashboards tailored to how your business runs 🧩 Tools I work with: - AI & Automation: n8n, Make, OpenAI, LangChain - Web apps: React, Next.js, Node.js, Tailwind - Data & hosting: PostgreSQL, AWS, Docker, Redis 💡 Why hire me over a no-code-only freelancer: I'm an engineer first. When n8n or Make hit their limits, I write the custom code that bridges the gap — so your automation doesn't break the moment your business outgrows the template. If you’re looking to automate repetitive work, build reliable workflows, or launch an AI-powered product fast — let’s talk.

Hi, I’m Samee; your dedicated partner for: ● Job Searching, Job Applications, Job Hunting & Reverse Recruiting, CV Writing, Resume Revamp & LinkedIn Optimization, Talent Sourcing & Recruiting (Tech + Non-Tech) support. Having hard time landing interviews? My clients secured interviews and offers at Startups to Fortune 10 companies within 4 week (Check out the Recommendations part.) ● Why work with me? Proven Track Record – Dozens of clients placed successfully across industries. Bias for Action & Results – I move quickly to deliver quality outcomes. Tech-Savvy & Detail-Oriented – Expert in sourcing tools, ATS platforms, and creative search strategies. Excellent Communication – Clear, timely updates and proactive collaboration. ● Services I Offer Job Search Assistance & Reverse Recruiting Full job application support Resume & cover letter writing and customization Targeted job matching and tracking Interview scheduling and follow-ups Talent Sourcing & Recruitment VA Candidate sourcing across niche industries Lead generation and prospect research Verified email & phone list building Pre-sales and business development support Skip tracing and advanced research ● Tools & Resources I Use: Sourcing: LinkedIn, X-ray/Boolean search, CSEs Contact Discovery: ZoomInfo, Apollo, Lusha, Clearbit, SalesQL, Hunter ATS Platforms: Bullhorn, Zoho, JobAdder, Vincere, Recruiterflow etc etc. Job Boards: Indeed, Monster, Glassdoor, CareerBuilder, Dice, ZipRecruiter, Reed, CV-Library Emerging Tech: Claude, Grok, Gemini, ChatGPT, Crunchbase, AngelList, GitHub, Behance ● Industries I’m supporting my clients in: IT/Tech/Software/saas/security/AI/ML/LLM Video Games Development/Gaming Blockchain/Crypto/web3 Accounting/ Finance/ Banking/ Fintech Digital Marketing / Adtech /martech/ PR/Public Relations/Communications Rec 2 Rec/ recruitment to recruitment Life Sciences/ Biotech/ Pharma/ Medical/ Clinical Research/ Healthcare Defense/ Drones/ UAV/ Aviation/ Aerospace Private Equity/Venture Capital/Investment (PE/VC/HE) Civil/Construction Engineering/Architecture/AEC/Real Estate/property Transportations/ Logistics/Freight/Trucking Electrical / Mechanical /Manufacturing Education/ Edtech Hotels/Restaurants/Hospitality/FMCG Energy/Renewables Legal/ Law Agriculture Ecommerce/Shopify ● Let’s connect and discuss how I can help you achieve your hiring or career goals. 💬 Send me a message – I’m ready to get started today. Have a great day, Samee Ullah

I BUILD AI SYSTEMS THAT CLOSE THE GAP BETWEEN WHAT YOUR TOOLS COULD DO AND WHAT ACTUALLY GETS DONE. ⭐ Top Rated on Upwork, 5.0 across 129 jobs 🌎 US Citizen based in the Philippines (GMT+8) | Working AU & US Hours Most business owners didn't sign up to be human middleware between a dozen tools. But here we are. You're not looking for AI. You're looking for relief. I've spent 25+ years in information technology: managing systems, running teams, writing SOPs, handling CRM handoffs, and cleaning up the messes nobody documented. I know what automation has to survive inside because I've lived in it. I am also a registered Anthropic (Claude) Partner, and I run my own practice on a custom AI operating system I built from scratch. I'm not selling you something I haven't lived. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ▌ THE REAL PROBLEM ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Here's the thing: if you're reading this, you already know AI exists. You've probably already tried it. Maybe you downloaded a "game-changing" automation tool that required a 40-minute setup tutorial just to send a single email. It helped a little in a demo, then it didn't deliver, and then you stopped using it. Most problems aren't really about tools. Work gets stuck between inboxes, spreadsheets, people, and decisions nobody wrote down: who owns what, what happens at the handoff, and what breaks when someone's out. What you actually needed wasn't another tool. It was someone to build the right thing for your specific situation, keep your judgment where it belongs, and make sure the system keeps running when you're busy running your business. That's a different skillset. That's what I do. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ▌ WHAT I ACTUALLY BUILD (AND THE PROOF) ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ I don't sell subscriptions to AI platforms. I don't hand you a black box and walk away. I engineer systems documented so they live in your business, meaning a lean team operates like a big one. ▸ HEALTHCARE ADMIN & TRIAGE: A client was drowning in 2,400 emails/month. I built a HIPAA-aware system that reads, sorts, references policies, and drafts replies (with human approval). 15 minutes per case dropped to under 2. The 48-hour backlog vanished. ▸ AVIATION & CRM AUTOMATION: An aviation broker was losing 15-30 minutes of hand work on every lead. I built n8n pipelines (with Claude and HubSpot) for lead enrichment, landing-page content generation, and post-flight follow-ups. Lead prep dropped to near-zero. ▸ CONSTRUCTION & DOCUMENT INTEGRATION: Paperwork chaos for every new crew. I turned 11 disconnected tools into a 60-page SOP manual using AI. In the field, reports landing in inboxes are automatically read and flowed into systems like SIMPRO — cost centers populated, parts logged — without a single copy-paste. ▸ AI OPERATING SYSTEMS & GOVERNANCE: I set up custom AI frameworks and agents on Claude Code. Every system I build has guardrails. Your AI doesn't send emails without your review, it doesn't hallucinate client names, and it doesn't go rogue on a Friday night. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ▌ THE TECH STACK ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ▪ Workflows & Agents: n8n (my depth, deterministic routing), Make, Zapier, production AI agents (Hermes, OpenClaw, custom) ▪ AI Models: Claude, OpenAI, Gemini (to read, sort, draft, decide), with human approval where it matters ▪ Data & APIs: Supabase, Airtable, Postgres, Google Sheets, REST and webhook integrations, RAG ▪ CRM & Where Work Lives: HubSpot, ClickUp, Airtable, Notion, Monday, Google Workspace ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ▌ HOW I WORK ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ LISTEN: I start by understanding your operations, your bottlenecks, and the work your team does that no one talks about because "it's just how it is." BLUEPRINT: I map out the system — which agents, what they do, how they hand off, and what happens when something breaks. You get a clear document. No jargon. BUILD: I engineer and deploy the system iteratively in your environment. You see working pieces, not a big reveal at the end. GOVERN: Every deployment includes monitoring, guardrails, and an escalation path. If something breaks, you know about it before your clients do. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ▌ SOUND LIKE YOUR BUSINESS? ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Message me with two things: The one workflow eating the most time right now. What tools you're using today. I'll tell you straight whether automation is the right move and what it takes to fix it.

Hi, I’m Sadam, based in Islamabad. I work across full stack development and AI systems, mainly building and scaling SaaS products and AI powered applications. A lot of my work involves understanding what’s actually breaking in a system whether it’s performance, architecture, model behavior or workflows and then fixing it in a practical, production ready way. Over the last 7+ years, I’ve worked across startup SaaS, enterprise systems and founder led products. Before getting deeper into LLMs and agents, I was optimizing enterprise applications workloads and working on distributed platforms serving thousands of users and daily transactions. That background still shapes how I approach systems today. I tend to focus less on features and more on how systems behave under real usage how they fail, where they slow down and what becomes difficult to maintain over time, rather than just writing code. Today, I build full stack AI products end to end from system design and data modeling to AI layer development, deployment, and scaling using tools like React, Next.js, Node.js, Django, FastAPI, LangChain and LangGraph. The goal is not just to get something working, but to make sure it continues to work when usage grows and complexity increases. What I build: ➔ AI SaaS Platforms Full stack products with multi tenant architecture, authentication, billing, and LLM powered features designed into the system from the start. ➔ AI Agents & Workflows Structured, production-oriented agent systems built to run reliably beyond controlled environments. ➔ RAG & MCP & Knowledge Systems Search and retrieval systems designed to maintain accuracy as data scales, not degrade with growth. ➔ Enterprise AI Integration LLMs integrated into real workflows with support for multiple providers, routing, and fallback handling. ➔ Custom AI / Fine-Tuning Model tuning, evaluation and domain specific improvements when off the shelf models are not enough. What people value in working with me: I’ve worked on both sides building systems and relying on them. I built SiteScripter AI end to end, handling everything from product to infrastructure, which gives me a practical sense of what decisions matter early and what tends to cause problems later. I usually stay close to the system not just writing code, but understanding how different parts interact, where edge cases show up, and how things evolve as usage increases. I’m usually happiest close to the work talking to customers, looking at the numbers, building the system, and improving it until it works. I pay a lot of attention to how code is actually written and evolves, especially now with LLMs in the loop. It’s easy to add layers that aren’t really needed, so I try to keep things simple, intentional, and easy to reason about. I move quickly, but I’m careful about what gets added to the system, avoiding unnecessary complexity that tends to slow things down later. 𝐒𝐭𝐚𝐜𝐤: React · Next.js · TypeScript · Node.js · Django · FastAPI · Python · LangChain · LangGraph · OpenAI· Claude · Gemini · Grok · RAG · MCP · PostgreSQL · Redis · AWS · Docker · PyTorch · Computer Vision · If you’re building something and think I could be a good fit, I’m open to a quick chat to explore how I can contribute.