🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 𝗙𝗨𝗟𝗟-𝗦𝗧𝗔𝗖𝗞 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗘𝗥 🏆 I build scalable web and mobile applications using MERN stack, Flutter, and React Native, with modern AI integrations. With years of experience and 6,000+ Upwork hours, I help startups and businesses transform ideas into production-ready SaaS platforms, web apps, and mobile applications. From MVP development to full-scale platforms, I handle the complete product lifecycle - architecture, development, integrations, and deployment. What I Build- 🌐 Web Applications • Full-stack web apps using MongoDB, Express, React, Node.js • SaaS platforms and business dashboards • Admin panels and analytics systems • REST and GraphQL APIs • Scalable backend architecture 📱 Mobile Applications • Cross-platform apps using Flutter and React Native • iOS and Android app development • Real-time features, notifications, and integrations • App Store and Play Store deployment • High-performance mobile user experience 🤖 AI-Powered Features • AI chatbots and assistants • OpenAI / LLM integrations • AI recommendations and automation workflows • Intelligent features integrated into web and mobile apps Startup & MVP Development I work closely with founders to build and launch products quickly. • Rapid MVP development • SaaS and marketplace platforms • Mobile-first startup products • Scalable architecture from the beginning Tech Stack Web Development MERN Stack (MongoDB, Express, React, Node.js) Next.js TypeScript Mobile Development Flutter React Native Backend & APIs Node.js REST APIs GraphQL Databases MongoDB PostgreSQL Firebase Cloud & DevOps AWS Vercel Docker CI/CD What Clients Hire Me For ✔ Web and mobile application development ✔ SaaS platform development ✔ Startup MVP development ✔ AI-powered product features ✔ Backend systems and API development Why Clients Work With Me ✔ 10+ years of development experience ✔ 6,000+ hours on Upwork ✔ Expertise across web and mobile ecosystems ✔ Clean, scalable, production-ready architecture ✔ Clear communication and reliable delivery 📩 If you're planning to build a web platform, mobile app, or AI-powered SaaS product, feel free to reach out and let's discuss your project.

I am Aleksandra, leading a team of experienced full-stack developers specializing in AI-driven applications. We design and develop modern, scalable web and mobile solutions that integrate artificial intelligence, automation, and cloud technologies to optimize business operations. With over 20+ years of collective experience, we have worked with startups and enterprises across industries like FinTech, Healthcare, eCommerce, and SaaS. Our expertise spans the entire development cycle, from initial concept and UI/UX design to backend architecture, AI integration, SRE (Site Reliability Engineering), and cloud deployment. 🏆 194+ successful projects completed on Upwork with global clients 💲 $5M+ earned on Upwork through high-impact full-stack and AI solutions ⏱ 55,121+ hours billed, proving long-term client trust and engagement 💼 600+ total projects delivered since 2000 across AI, web, and mobile 📚 100% of developers hold engineering degrees, ensuring expert-level technical depth 👩‍💻 Advanced AI team includes Kaggle competition masters and top ML researchers 📊 91%+ job success rate, reflecting top-tier performance and consistency 🚀 25+ AI-driven apps deployed in FinTech, EdTech, and HealthTech 🧠 30+ machine learning models built and optimized for live environments 🌎 20+ industries served, from startups to Fortune 500 clients 🧱 Founded in 2000, bringing 24+ years of experience in software innovation 🛠 40+ React + Python full-stack solutions developed for scalable applications ⚡ High-load systems deployed to serve thousands of concurrent users 📈 Client ROI increased by up to 70% in AI automation projects 💬 Featured in Forbes, MBN Magazine, and Helsinki Times for client success stories Expertise: Full-stack development for web and mobile applications AI-powered solutions, including computer vision, natural language processing, and predictive analytics Scalable cloud architecture using AWS, Google Cloud, and Azure Real-time data processing and AI-driven automation Platform Engineering and Infrastructure as Code (IaC) GitOps workflows and CI/CD pipeline optimization API development and third-party service integrations Performance optimisation for high-traffic applications FinOps and cloud cost optimisation Secure and accessible web applications with SEO best practices Technology Stack: Frontend: React.js, Next.js, Vue.js, TypeScript Backend: Node.js, Python (FastAPI, Django, Flask), Golang AI & Machine Learning: TensorFlow, PyTorch, OpenAI API, Hugging Face, LLMOps Databases: PostgreSQL, MongoDB, Redis, Firebase Cloud & DevOps: AWS (Lambda, S3, DynamoDB, EC2), Docker, Kubernetes, Terraform, Helm, ArgoCD, GitHub Actions, GitLab CI/CD, Ansible, Prometheus, Grafana, ELK Stack Tools & Platforms: Figma for UI/UX, Miro for user flow mapping, Webflow for no-code development Why Work With Us? We focus on delivering intelligent, future-proof applications that drive business growth. Our team ensures seamless collaboration, clean code, and scalable architecture that adapts to evolving needs. We are committed to clear communication, efficient execution, and long-term support. If you are looking for a team that can build and scale AI-powered applications with a strong full-stack foundation, let's discuss your project. 🔑 Keywords to find me: AI Developer | Full-Stack Developer | AI Applications | React Developer | Node.js Developer | Python Developer | AI Integration | SaaS Developer | Web App Developer | Mobile App Developer | Scalable Applications | AI-Powered Software | Computer Vision | NLP Engineer | Machine Learning Engineer | Backend Developer | Frontend Developer | Cloud Developer | Automation Engineer | Cloud Architect | GCP | AWS | Azure | TensorFlow | PyTorch | OpenAI | Hugging Face | FastAPI | Django Developer | Flask Developer | Golang Developer | MLOps | LLMOps | DevOps | SRE | Site Reliability Engineer | Platform Engineer | Kubernetes | Docker | Helm | ArgoCD | Terraform | Infrastructure as Code | IaC | GitOps | CI/CD | GitHub Actions | GitLab CI/CD | Jenkins | Ansible | Prometheus | Grafana | Datadog | ELK Stack | DevSecOps | FinOps | AIOps | Observability | Monitoring | Service Mesh | Istio | Crossplane | OpenTelemetry | HashiCorp Vault | Multi-Cloud | Serverless | Figma | Webflow | Miro | Firebase Developer | MongoDB Developer | PostgreSQL | Redis | REST API Developer | API Integration | Predictive Analytics | AI in FinTech | AI in Healthcare | AI in eCommerce | SaaS Application | Intelligent Automation | Real-Time Data Processing | Cross-Platform Developer | SEO-Friendly Development | Secure Web Applications | Scalable Web Architecture | UI/UX Focused Developer | AI SaaS Developer | AI-Powered Mobile Apps | Full-Cycle Development | AI Solutions for Business | Enterprise Software | Startup MVP Development | AI Team Lead | Cloud-Native Applications | Serverless Architecture | AI-Driven Optimization | AI Workflow Automation | Real-Time AI Solutions | AI-Enhanced UX | AI Web App | AI-Powered Dash

🥇 As an AWS Serverless Technology Professional and Expert Developer, I specialize in creating scalable, secure, and cost-efficient cloud solutions using AWS services. With extensive experience in Amazon q, AWS Lambda, API Gateway, DynamoDB, and the Server less Framework, I transform complex requirements into seamless and robust applications. For instance, I recently developed a server less web application for a client, utilizing Amazon q, AWS Lambda and API Gateway to create a highly scalable backend, and DynamoDB for a flexible, no-SQL database. Another project involved migrating a legacy system to a serverless architecture, resulting in a 50% reduction in operational costs and improved performance. 👉 I am dedicated to continuous learning and improving my skills to better serve my clients. Committed to delivering top-notch solutions on Upwork, I am here to help you achieve your project goals with precision and care. 🛠️ - Amazon Q, AWS BedRock, Amplify, CDK, AWS Lambda, Lambda Resolver, Lambda Concurrency, ESC, Fargate - CI /CD - AppSync, GraphQL - No SQL: DynamoDB, - RDS: Aurora, Postgres, Mysql - AWS EBS - AWS S3 - AWS Cognito( federated identities: Okta, Microsoft AD, SSO, Google, Facebook, Apple) - AWS Ec2, VPC - AWS Load Balancing - AWS Cloud Watch - AWS Autoscaling - AWS IAM - AWS SQS, SNS - AWS Route 53 - SAM 📊 Use Cases: Serverless Web Application: Developed a serverless web application for a client using AWS Lambda and API Gateway for a highly scalable backend, and DynamoDB for a flexible, no-SQL database. Legacy System Migration: Migrated a legacy system to a serverless architecture, resulting in a 50% reduction in operational costs and improved performance. 🧭 Real-Time Data Processing: Implemented a real-time data processing pipeline with AWS Kinesis, Lambda, and S3, enabling the client to process and analyze streaming data efficiently. 🚀 Automated Infrastructure: Created automated CI/CD pipelines using AWS CodePipeline and CodeBuild, significantly speeding up the deployment process and reducing manual errors.

I design and build AI-powered systems and scalable platforms that solve real business problems. If your systems are slow, unstable under load, or rely on manual workarounds, I create solutions that automate processes, improve reliability, and drive measurable results. With over 10 years of experience, I’ve helped companies reduce response times by half, scale to 100K+ concurrent users, and eliminate critical operational bottlenecks, all while keeping systems stable and high-performing. How I Help I work with teams facing: Systems that slow down or fail under high traffic Inefficient workflows that waste time and resources AI or automation projects that aren’t fully production-ready I can help you: Stabilize and scale your platforms Automate repetitive tasks and streamline operations Build AI-driven solutions that perform reliably in production Deliver outcomes that are measurable and business-focused Proven Results: ✅ Intercom - Streamlined workflows so product teams could ship faster, built platform features used by 25k+ businesses ✅ Pilotbase - Founding AI Engineer, built Stripe + AWS integrations that supported growth and funding success, shipped AI-driven systems for automating workflows end-to-end. ✅ Twogether - Cut load times and improved user engagement with a faster UI ✅ Barcode Essentials - Modernized the frontend, reducing support tickets and making customers happier ✅ Paycircle - Scaled onboarding from 30 → 2,500 employees per week while cutting errors ✅ Vail Williams - Delivered systems that enabled a record £50k client refund ✅ Led a full MERN e-commerce redesign, boosting conversions by 40% in just 3 months and ARR gains that helped clients scale faster What I Deliver AI & automation systems that reduce manual effort Reliable, scalable backend architectures End-to-end product development: from planning to launch Integrations and workflow automation (Stripe, Slack, Shopify, QuickBooks, Notion, CRMs) Expertise: AI & Automation: GPT, LangChain, n8n Backend: Node.js, Python, Microservices Frontend: React, Next.js Integrations: Stripe, Shopify, QuickBooks, Slack, CRMs Why Clients Choose Me Focus on real outcomes, not just writing code Solve root problems, not just symptoms Build stable, production-ready systems Maintain clear communication and fast feedback If you need to scale systems, automate workflows, or deliver AI solutions that actually work, I can help you achieve it efficiently, reliably, and with measurable impact.

Senior Full-Stack & AI Engineer | SaaS Architect 𝗦𝗲𝗻𝗶𝗼𝗿 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 & 𝗔𝗜 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 𝘄𝗶𝘁𝗵 𝟭𝟬+ 𝘆𝗲𝗮𝗿𝘀 𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗦𝗮𝗮𝗦 𝗮𝗻𝗱 𝗔𝗜 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀. 𝗘𝘅𝗽𝗲𝗿𝘁 𝗶𝗻 𝗢𝗽𝗲𝗻𝗔𝗜, 𝗚𝗣𝗧-𝟰, 𝗥𝗔𝗚, 𝗡𝗼𝗱𝗲.𝗷𝘀, 𝗝𝗮𝘃𝗮, 𝗔𝗪𝗦, 𝗮𝗻𝗱 𝗺𝘂𝗹𝘁𝗶-𝘁𝗲𝗻𝗮𝗻𝘁 𝗰𝗹𝗼𝘂𝗱 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲𝘀. --- I help startups and growing businesses 𝗱𝗲𝘀𝗶𝗴𝗻, 𝗯𝘂𝗶𝗹𝗱, 𝗮𝗻𝗱 𝘀𝗰𝗮𝗹𝗲 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻-𝗿𝗲𝗮𝗱𝘆 𝗦𝗮𝗮𝗦 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 𝗮𝗻𝗱 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀. I’m a 𝗦𝗲𝗻𝗶𝗼𝗿 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 𝗮𝗻𝗱 𝗦𝗮𝗮𝗦 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁 with 𝟭𝟬+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗵𝗮𝗻𝗱𝘀-𝗼𝗻 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 delivering high-quality software across logistics, fintech, ed-tech, and AI-driven products. I don’t just code features—I design 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 𝘁𝗵𝗮𝘁 𝘀𝗰𝗮𝗹𝗲, 𝘀𝘁𝗮𝘆 𝘀𝗲𝗰𝘂𝗿𝗲, 𝗮𝗻𝗱 𝘀𝘂𝗽𝗽𝗼𝗿𝘁 𝗿𝗲𝗮𝗹 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗴𝗿𝗼𝘄𝘁𝗵. I work end-to-end: 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲, 𝗯𝗮𝗰𝗸𝗲𝗻𝗱, 𝗳𝗿𝗼𝗻𝘁𝗲𝗻𝗱, 𝗔𝗜 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻, 𝗰𝗹𝗼𝘂𝗱 𝗱𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁, 𝗮𝗻𝗱 𝗼𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻. --- 🤖 𝗔𝗜 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 & 𝗟𝗟𝗠 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 (𝗣𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻-𝗚𝗿𝗮𝗱𝗲) I actively build 𝗔𝗜-𝗳𝗶𝗿𝘀𝘁 𝗦𝗮𝗮𝗦 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀, not prototypes or demos. 𝗔𝗜 & 𝗟𝗟𝗠 𝗲𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: • OpenAI (GPT-4, GPT-4o), Claude, Gemini • RAG (Retrieval-Augmented Generation) architectures • Vector databases: pgvector, Pinecone • AI agents, copilots, and automation workflows • Prompt engineering & AI cost optimization • Secure, scalable AI API integrations 𝗪𝗵𝗮𝘁 𝗜 𝗯𝘂𝗶𝗹𝗱 𝘄𝗶𝘁𝗵 𝗔𝗜: • LLM-powered SaaS features • Document AI (PDF ingestion, embeddings, semantic search, summarization) • Knowledge retrieval & decision-support systems • AI coaching, recommendation, and analytics engines • Usage-metered AI services for SaaS products All AI systems are 𝘀𝗲𝗰𝘂𝗿𝗲, 𝗼𝗯𝘀𝗲𝗿𝘃𝗮𝗯𝗹𝗲, 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲, 𝗮𝗻𝗱 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻-𝗿𝗲𝗮𝗱𝘆. --- 🎯 𝗪𝗵𝗮𝘁 𝗜 𝗖𝗮𝗻 𝗛𝗲𝗹𝗽 𝗬𝗼𝘂 𝗪𝗶𝘁𝗵 𝗦𝗮𝗮𝗦 & 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 • Multi-tenant SaaS architecture • REST API design & development • Backend systems using Node.js and Java Spring Boot • Authentication, RBAC, subscriptions & billing • High-throughput, event-driven, async systems 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 & 𝗠𝗼𝗯𝗶𝗹𝗲 • React, Next.js, Vue.js web applications • SaaS dashboards & admin panels • Android, Flutter, Ionic mobile apps 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀 • AWS (Lambda, API Gateway, SQS, S3, ECS) • GCP & DigitalOcean • Serverless & cloud-native architecture • Docker & CI/CD pipelines • Production deployment, scaling & monitoring --- 🛠️ 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 • Java, Node.js, JavaScript, TypeScript, PHP • OpenAI, GPT-4, GPT-4o, RAG, pgvector, Pinecone, Elasticsearch • React, Next.js, Vue.js • PostgreSQL, MySQL, MongoDB, Firestore, Redis • Kafka, AWS SQS, SNS, RabbitMQ • AWS, GCP, DigitalOcean, Docker, CI/CD, Serverless ---

👋 Hi, I’m a 🏆 ⭐️⭐️⭐️⭐️⭐️Top Rated Python Web Scraping and Data Mining Expert at GroupBWT - a 100-person engineering team delivering scalable, high-accuracy data extraction and web scraping systems since 2009. I specialize in building end-to-end data mining and lead generation pipelines using tools like Python, Selenium, Playwright, and Puppeteer to extract structured information from complex, dynamic, and protected sources. Over the years, I’ve worked on systems where data mining and web scraping are core infrastructure components, not just scripts. We help clients replace spreadsheets, manual monitoring, and unreliable sources with fully automated pipelines delivered into APIs, dashboards, or databases: ✅ Our Python Web Scraping and data mining systems process over 1.5 million URLs per day, with proxy rotation, retry logic, and real-time monitoring. ✅ We reduce reporting delays by 70% using real-time data mining and web scraping pipelines for inventory, pricing, and market tracking. ✅ Our systems collect and structure more than 15,000 news articles weekly using web scraping and data mining pipelines, converting unstructured content into usable insights. 🔁 What I do 📦 Python Web Scraping Data Mining: We build large-scale Python Web Scraping data mining systems that extract structured data from marketplaces, real estate platforms, B2B directories, social networks, and news sources. ✔ Product & Price Monitoring ✔ Competitor Analysis ✔ Business Directory extraction ✔ Lead Generation & Contact Discovery 🧹 Cleaning, Enrichment & Integration We don’t stop at extraction - every data mining and Python Web Scraping pipeline includes cleaning, normalization, deduplication, and enrichment. We turn raw outputs into Data Analyst-ready datasets that integrate with CRMs, BI tools, and internal systems. ✔ Document & Market analysis ✔ Data matching and enrichment ✔ Classification and tagging 📤 Automation & Scalable Delivery We design recurring web scraping data mining pipelines that run daily or hourly with full observability. Every web scraping data mining system includes monitoring, alerts, retries, and structured delivery into APIs, databases, or BI dashboards. ✔ Scheduled web scraping data mining pipelines ✔ Real-time dashboards ✔ Automated reporting feeds ✔ Lead Generation database creation and enrichment ✔ Custom bot developer solutions ✔ Data Analyst-ready dataset 🧾 Data Entry & Data Scraping Support We provide structured Data Entry services: ✔ Lead Generation database creation and enrichment ✔ Data Entry for large-scale scraped datasets into spreadsheets, CRMs, and databases ✔ Data Entry automation for transforming unstructured data scraping outputs into structured records ✔ High-volume Data Entry handling for product, business, and directory information ✔ Data Entry validation to ensure accuracy and consistency across datasets ✔ Semi-automated Data Entry workflows ⚙️ Tech Stack: Languages: Python, JavaScript, PHP Databases: MySQL, PostgreSQL, MongoDB, DynamoDB, MSSQL, Snowflake Frameworks: Scrapy, Twisted, Hadoop, DRF, Laravel, ApacheSpark Containerization: Docker, k8s Message Brokers: RabbitMQ, Redis AWS: EC2, SQS, RDS, S3, Lambda, Gateway, Neptune Libraries: Celery, Puppeteer, NLTK, numpy, pandas, spaCy, TensorFlow, scikit-learn, React-PHP, Keras, sqlalchemy, Gensim, pyTorch RPA & Workflow: Selenium, Playwright, UI automation, Slack/Google Sheets integrations, API workflows, Excel automation Bot Developer: Custom bot developer | data scraper solutions Platform: Databricks, Snowflake, BigQuery, Airflow, DBT, Redshift, Power BI 🧩 SAMPLE WEB SCRAPING & DATA MINING PROJECTS ✅ Built a platform covering 300+ marketplaces using Python Web Scraping and data mining, processing 60M+ records daily ✅ Built pricing intelligence system using data mining and Python Web Scraping across 120+ eCommerce domains ✅ Delivered news intelligence platform powered by web scraping data mining from 80+ global media sources ✅ Built a lead generation platform using Python scraping and web scraping data collection across multiple business directories, generating thousands of verified leads weekly 🤝 Why Clients Work With Us: ✅ Enterprise-Grade Web Scraping & Data Mining Systems 🔹 We build full-scale ecosystems, not scripts - every Python Web Scraping and data mining system includes monitoring, scaling, error recovery, and Data Analyst-ready outputs. 🔹 Clients reduce manual work by up to 60% using automated web scraping data mining pipelines 🔹 Result: 25-35% lower operational costs through stable web scraping data mining infrastructure ✅ Built to Scale 🔹 Systems handle 100M+ pages/month using web scraping data mining architecture 🔹 Designed for horizontal scaling of web scraping data mining workloads 🔹 Real-time updates through scheduled web scraping and data mining execution 🚀 Ready to turn data into structured intelligence using web scraping and data mining? ➡️ Invite me to your job and let’s build your pipeline

With over 18 years of experience, I am a seasoned professional in embedded and IoT product development. My expertise spans sensor-based solutions, audio algorithm development, and cloud-based SaaS solutions using AWS, GCP, and Azure. I also have extensive experience with mobile applications, including BLE apps / hardware integration over BLE developed with Flutter, ReactNative, SwiftUI, Kotlin (native development ) too. I began my career as an Audio DSP firmware engineer, specializing in digital signal processing algorithms and filter design for multichannel audio decoders and encoders, building and optimizing them for multiple DSP chipsets. This foundation led me to technical leadership roles within offshore development centers and eventually into leading product development in IoT startups. Of late, I've focused on developing analytical solutions in the smart home, Industry 4.0, and health tech sectors using nRF52, STM32 and ESP32. My key contributions include solution architecting and algorithm design for these cutting-edge applications, including BLE-powered medical device solutions. I am a process-oriented professional with deep knowledge in audio compression, data encoding, DSP Filters and post-processing algorithms. My core technical skills include: - Proficiency in C, C++, Python and Assembly programming for optimizing algorithms on resource-constrained embedded platforms. I'm also well-versed in golang and node.js. - Designing and building cloud-based analytical IoT solutions for enterprise energy management, leveraging multiple services across AWS ( including AWS IoT Core, AWS Greengrass ), GCP, and IBM Cloud. - Extensive knowledge of the BLE stack, having developed mobile applications for diverse IoT solutions and BLE-based medical devices. - Hands on experience with all BLE profiles - LE Coded PHY, 1M, indoor positioning using Beacons, AoA etc. - Experience with MQTT-based solutions, including hardware - firmware integration, integration of the solution with custom cloud platforms and GCP / AWS IoT Core. - Experience building multiple medtech / healthcare solutions - involving hardware / firmware / mobile application integrated over Bluetooth ( BLE ) and cloud applications adhering to HIPAA. Also worked with FDA / 510(k) compliance processes. - Proficiency in LoRa technology, having built embedded applications for IoT solutions primarily using LoRa EU and US frequencies. My background in developing regulated medical devices and health tech solutions makes me the ideal candidate for your project. I have extensive experience architecting and implementing secure, HIPAA-compliant solutions that integrate hardware, firmware, and mobile applications over BLE. I've successfully navigated the complexities of FDA and 510(k) compliance processes, ensuring not only technical excellence but also regulatory adherence. My skills include developing robust BLE-based medical device solutions, building analytical cloud platforms, and optimizing firmware for performance and reliability. I can offer both the deep technical skills and the critical regulatory knowledge required to bring your innovative medical product to market safely and effectively. As a specialist in wireless communication protocols for IoT, I can provide the targeted expertise you need for your project. My extensive hands-on experience with the entire BLE stack—including AoA, LE Coded PHY, and indoor positioning with Beacons—allows me to tackle even the most complex integration challenges. I've developed numerous mobile applications that seamlessly integrate with BLE hardware, ensuring a smooth and reliable user experience. I am also highly proficient in LoRa technology, having built complete embedded applications for EU and US frequencies. Whether you need to optimize a high-performance BLE application or build a long-range LoRa network, I have the in-depth knowledge to deliver a top-tier solution. As you can see, I have over a decade of experience in leadership roles, having led cross-functional offshore teams, including managing groups of 20 or more engineers and QA professionals. I'm eager to take up the next Upwork project and contribute my skills / experience to a highly competitive team.

Solutions Architect with 8+ years delivering cloud-native infrastructure, backend systems, and production AI pipelines across AWS, Azure, and GCP. Here are a few things I've shipped recently: - Built a real-time data pipeline on Microsoft Azure ingesting and processing over 5 million data points daily reduced processing lag from 3 hours to under 10 minutes. - Designed a multi-region EKS setup on AWS with Karpenter autoscaling and ArgoCD GitOps, cutting infra costs by 35% while improving deploy frequency from weekly to daily. - Built a production RAG pipeline (LangChain + Pinecone + FastAPI) for a SaaS client processing 200k+ documents, cutting query latency from 4s to under 800ms. - Architected a NestJS + TypeScript microservices backend with BullMQ async workers and Prisma ORM, migrated from a monolith with zero downtime in 6 weeks. INFRASTRUCTURE & DEVOPS Kubernetes, EKS, AKS, GKE, Terraform, Ansible, Pulumi, CloudFormation, Docker, Helm, Kustomize, Istio, Karpenter, ArgoCD, FluxCD, Flagger, GitHub Actions, GitLab CI/CD, Jenkins, Blue-Green, Canary, Progressive Delivery, Prometheus, Grafana, Thanos, Loki, OpenTelemetry, Datadog, ELK Stack, Snyk, Vault, OPA, Falco, SOC 2, ISO 27001, GDPR PYTHON FastAPI, Django, Celery, SQLAlchemy, Pydantic, Pandas, Polars, PySpark, Dask, Airflow, Prefect, Boto3, Pytest NODEJS NestJS, Fastify, Express, BullMQ, Socket IO, Prisma, TypeScript, Zod, Jest AI / LLM / MLOPS LangChain, LlamaIndex, Haystack, OpenAI API, Anthropic Claude API, AWS Bedrock, Azure OpenAI, Vertex AI, vLLM, Hugging Face TGI, Triton, Pinecone, Weaviate, Qdrant, pgvector, Milvus, MLflow, Kubeflow, SageMaker, DVC, Weights and Biases, LoRA, QLoRA, PEFT, RLHF, RAG, Hybrid Search, Prompt Engineering DATABASES & MESSAGING PostgreSQL, MySQL, MongoDB, Redis, Cassandra, DynamoDB, CockroachDB, Snowflake, BigQuery, ClickHouse, Kafka, RabbitMQ, SQS, NATS, Redis Streams FRONTEND & API React, NextJS, TypeScript, Tailwind CSS, GraphQL, gRPC, tRPC, REST, WebSockets SERVICES - Cloud Architecture Design and Review (AWS, Azure, GCP) - Kubernetes Setup, Hardening and Optimization - CI/CD Pipeline Design and GitOps Implementation - IaC with Terraform, Ansible and CloudFormation - Python Microservices, FastAPI, Celery, Async workers - NodeJS Services, NestJS, Fastify, BullMQ, real-time APIs - LLM Serving, vLLM, TGI, Bedrock, Azure OpenAI - RAG Pipeline Design and Vector DB Architecture - MLOps, MLflow, Kubeflow, SageMaker pipelines - Full-Stack AI Application Development - DevSecOps, Snyk, Vault, Falco, SOC 2, ISO 27001 - Monolith-to-Microservices Migration - Multi-region HA and Disaster Recovery - Cost optimization audits, AWS, Azure, GCP - Architecture Documentation and Technical Due Diligence I've been in the weeds on enough projects to know what works and what doesn't. If you want honest advice and solid execution, drop me a message and I'm easy to work with.

Are you struggling with high cloud costs, security risks, or scaling issues? I help businesses design, secure, and optimize cloud infrastructure that is scalable, reliable, and cost-efficient. With over 20 years of experience in cloud architecture, automation, and optimization, I’ve delivered dozens of successful cloud projects and saved clients thousands of dollars in monthly cloud costs through infrastructure reviews, right-sizing, and tiering. I transform messy infrastructure into scalable, secure, and cost-optimized systems, realign the team, and lead with clarity so that stability improves and new features ship faster. What I Bring * Deep AWS, GCP, Azure, and Alibaba Cloud knowledge to prevent expensive mistakes. * Deep DevOps Knowledge, pipelines, automations, etc. * Clear technical direction grounded in reality - not hype * A proven track recordin fixing broken infrastructure, pipelines, and scaling platforms * Leadership that connects product, dev, and ops Notable Wins * $1M+ project Modernized critical tax processing CF stacks for the National Bureau of Revenue. * Cut 30-60% cloud costs by redesigning and optimizing infrastructure. * Led AWS-to-GCP migration- zero-downtime with networking and IAM remapping. * Trained 7500+ professionals across 24 countries in Multi-Cloud, Terraform, and DevOps. Let's build it the right way. ✅ Certified & Trusted ------------------------- AWS Certified Solutions Architect – Pro Google Cloud Architect - Pro AWS Certified Security Specialty Official Alibaba Cloud MVP & Trainer (Top 5 Worldwide) Alibaba DevOps Professional CCNA VMware Certified Professional ------------------------------------------------------ ⭐ Services Offered ⭐ ------------------------------------------------------ ✅ CLOUD ARCHITECTURE & DESIGN (AWS, AZURE, GCP, ALIBABA) ✅ CLOUD MIGRATIONS & HYBRID CLOUD SOLUTIONS ✅ COST OPTIMIZATIONS & AUDIT ✅ CI/CD PIPELINES & AUTOMATION ✅ NETWORK INFRASTRUCTURE & SECURITY (CCNA, CCNP, Palo Alto) ✅ INFRASTRUCTURE AS CODE (Terraform, Ansible, CloudFormation, ARM Templates) ✅ BACKUP & DR SOLUTIONS ✅ AZURE VIRTUAL DESKTOP SETUP ✅ CORPORATE TRAININGS & COURSE CREATION ✅ AWS Cloud Expertise ---------------------------- AWS VPC | EC2 | RDS | SNS | SQS | Elastic Bean Stalk | CICD | S3 | Cloud Front | Route53 | SSM | Cloud Watch | IAM | SSO | WorkSpace | Cloud Formation | VPN | Direct Connect | KMS | Migration | AWS CLI | AutoScaling & Elastic Load Balancing | LightSail | FSx | EFs | AWS Active Directory | Code Commit | ✅ Google Cloud Expertise -------------------------------- Google Network | Compute Engine | App Engine | Google Kubernetes Engine | Google Stack driver | Cloud storage | Load Balancer & Autoscaling | VPN Tunnels | ✅ Alibaba Cloud --------------------- ECS | RDS | OSS | SLB ✅ Others Microsoft Active directory | Exchange server 2013 & 2016 | Server 2012 | Server 2016 ✅ Training Expertise AWS Solution Architect | AWS Sysops Administrator | AWS Developer | Google Associate Cloud Engineer | Google Professional Architect | Alibaba Compute Associate & Professional Let's jump on a call.

I'm a certified AWS DevOps engineer with over a decade in the field. I specialize in managing and analyzing Linux/Unix enterprise servers, handling SaaS applications, containers, and various web languages through APIs, all while focusing on Docker, Kubernetes, and Terraform; also I have experience working with ML, MLOps and AI. My web language experience relies on Node.js, React, Python, Java Spring Boot, and .NET, all integrated via APIs. My expertise lies in DevOps, continuous integration, and microservices, where I leverage Kubernetes, Terraform, and CI/CD pipelines to enhance efficiency. Certifications: AWS Certified Solutions Architect – Associate AWS Certified Security – Specialty Azure Fundamentals Azure DevOps Engineer – Expert Azure AI – Fundamentals Azure Security – Fundamentals Superlative experience on: Amazon Web Services (AWS): AMAZON EC2, Amazon CloudFront, CloudFormation, S3, Amazon RDS, Amazon ELB, Amazon Auto Scaling, Amazon VPC, Route53, Amazon ECS, Fargate, Beanstalk, Lambda, AWS Code Deploy, etc. Serverless developer: API Gateway, Amazon cognito, Amazon Lambda, DynamoDB, and more. Azure: These past years I've experimented over Microsoft Azure Cloud Provider, providing support and infrastructure resources using services as Virtual Machines, Storage Accounts, SQL Flexible servers for MySQL, PostgreSQL and Microsoft SQL, App Services, Cloud Services, Function Apps, Application Gateways, DNS Zone, Container Registries, Container Instances and Kubernetes, provided manually and using ARM Templates or Terraform for IAC. Finally, I've worked on providing user management best practices using Microsoft Entra ID and Azure RBAC. DevOps:I'm dedicated to automating Infrastructure as Code, using a variety of tools to streamline my workflows. My toolkit for building and managing multitenant infrastructures includes Terraform, Docker, AWS ECS, Kubernetes, Ansible, Chef, AWS CloudFormation, and AWS Vagrant. In the realm of CI/CD, I rely on a comprehensive set of tools such as Jenkins, CircleCI, TravisCI, AWS CodeDeploy, AWS CodeCommit, AWS ECS, Bitbucket Pipelines, GitLab, and Webhooks. DevSecOps: I focus on securing digital infrastructures efficiently. I use tools like Snyk, SonarQube, Sonatype, JFrog, and Nexus for code analysis and vulnerability assessments. These tools are integrated into GitLab workflows for automated security checks. I also implement SOC2 practices to ensure robust security and compliance. Compliances: HIPAA, PCI & SOC2 Big Data and Analytics:Amazon RedShift, Airflow, AWS Glue, AWS EMR, AWS sagemaker, tensorflow, AWS Kinesis, Hadoop, Apache Spark, and Cassandra.