Database Administrator (Oracle/MySQL/MariaDB/SQLServer/PostgreSQL), SaaS DBA/DevOps -- Hands-on experience as DBA in MySQL/MariaDB, Galera Cluster, SQLServer, PostgreSQL/Cassandra -- Hands-on experience with AWS (RDS, EC2, S3), Azure, GCP -- Maintaining k8s clusters and infrastructure in AWS, GCP and Azure -- Experience as DB Chief Architect in fin-tech and SaaS based product firms. --Expertise in Terraform, Docker, Kubernetes Skill Set : Oracle, MySQL, Azure, MSSQL, PostgreSQL, MongoDB, Aurora, SSIS, AWS EC2, RDS, S3, CloudWatch, Unix, Linux, Windows, Shell Scripting, PL/SQL, TSQL Support experience: 24x7 on-call support and issue-resolution

Full-Stack Developer specializing in the MERN stack (MongoDB, Express.js, React.js & Node.js) with years of professional experience building scalable, high-performance web and cross-platform mobile applications. I’m passionate about transforming ideas into intuitive digital experiences that drive engagement and growth. 🚀 What I Offer End-to-End Development: Requirements gathering & solution design UI/UX prototyping & interactive wireframes Front-end implementation (React.js, React Native) Back-end architecture (Node.js, Express.js) Database modeling & optimization (MongoDB, Mongoose) Deployment & DevOps (AWS, Heroku, Docker, CI/CD pipelines) Responsive Web Applications: Single Page Applications (SPAs) with React.js & Redux Server-Side Rendering (Next.js) for SEO and performance Integration with RESTful APIs & GraphQL Cross-Platform Mobile Apps: React Native development for iOS & Android Expo & bare React Native workflows Push notifications, in-app purchases, offline storage API Development & Integration: RESTful API design & implementation GraphQL schemas & resolvers OAuth2 / JWT authentication & role-based access control Third-party services (Stripe, Firebase, Twilio, etc.) Database & DevOps: NoSQL data modeling with MongoDB Atlas Automated backups, sharding, replication Docker containerization & Kubernetes orchestration CI/CD with GitHub Actions, Jenkins 🛠️ Technical Skillset Front-End: React.js, Angular, Redux, Next.js, HTML5, CSS3, SASS/LESS, Tailwind CSS, Material-UI Mobile: React Native, Expo, native module integration, Ionic Back-End: Node.js, Express.js, REST, GraphQL, WebSockets, Golang, Rust, Kotlin, Swift, Ruby, Ruby on Rails Database: MongoDB, Mongoose, Redis, Firebase Realtime Database DevOps & Tools: AWS (EC2, S3, Lambda), Heroku, Docker, Kubernetes, Jenkins, Git/GitHub, CI/CD Testing: Jest, Mocha, Chai, Cypress Collaboration: Agile Scrum, JIRA, Trello, Slack 🔍 Why Choose Me? Client-First Approach: I listen, iterate quickly, and keep you in the loop at every stage. Clean, Maintainable Code: I follow industry best practices, code reviews, and writing detailed documentation. On-Time Delivery: Rigorous sprint planning and time estimates ensure milestones are met. Scalable Solutions: Architectures designed to grow with your user base and feature set. Post-Launch Support: Bug fixes, performance tuning, feature enhancements, and monitoring. 📈 My Process Discovery & Planning Kickoff call, requirement gathering & technical assessment Design & Prototyping Wireframes, UI mockups & interactive prototypes Development Agile sprints, regular demos & code reviews Testing & QA Unit, integration & end-to-end testing Deployment & Training Live deployment, user handover & technical documentation Maintenance & Scaling Continuous monitoring, optimization & feature updates 🌐 Let's Build Your Next Project! Whether you need a dynamic web portal, an engaging mobile app, or an integrated full-stack system, I have the experts to bring your vision to life. 📩 Send me a message to discuss your requirements, get a free quote, or schedule a call. I’m excited to partner with you! Let’s create something amazing together.

I am an experienced data scientist with a background in artificial intelligence and robot vision. I also do software development for complex scientific applications and algorithm development using artificial intelligence, machine learning, pattern recognition, image processing, statistics, and advanced mathematics techniques. I primarily work in R and Perl. I have also worked in Lisp, Prolog, C, C++, Python, and Java. My experience includes related database design and integration for large complex datasets. In addition to independent work, I also manage software development teams. I also have an additional specialty in assisting customers with the development of government proposals. Responsibilities include storyboarding, organizing, writing, editing, formatting, graphics, project planning, budgeting, forms, and proposal team management. Customers vary in size from startups to Fortune 500 companies and proposal scale varies from SBIRs under $100K to over $100M. Experience with funding agencies including: Army, Air Force, DARPA, DOD, DOE, DOT, Transportation Research Board of the National Research Council, NIST, and USPS. Employment: 10 years as an independent consultant Soar Technology (Small Company) NovoDynamics, Inc. (Startup) Environmental Research Institute of Michigan (Non-Profit Research Institute) Education: Ph.D. Electrical Engineering - Purdue University M.S. Electrical Engineering - Pennsylvania State University B.S. Engineering Science - Pennsylvania State University

Looking to get more local leads, phone calls, bookings, and customers from Google? 📍 I help local businesses improve their online visibility and rank higher in Google's Local Pack (Map Pack) through strategic Local SEO and Google Business Profile optimization. Over the past 6+ years, I've worked with businesses across healthcare, home services, legal, recruitment, real estate, eCommerce, and other competitive industries to increase local rankings, website traffic, and most importantly qualified leads. 🔥 My Services ✅ Google Business Profile Setup & Optimization ✅ Google 3-Pack / Map Pack Ranking Strategies ✅ Local SEO Audits & Action Plans ✅ Local Keyword Research ✅ Citation Building & Cleanup ✅ NAP Consistency Management ✅ Review & Reputation Management ✅ Service Area Business Optimization ✅ On-Page Local SEO ✅ Competitor Analysis ✅ Local Link Building & Authority Growth ✅ Multi-Location SEO ✅ Conversion-Focused Local Landing Pages ✅ Monthly Reporting & Performance Tracking 📈 What I Focus On ✔ Higher Local Rankings ✔ More Calls & Direction Requests ✔ Increased Website Traffic ✔ Better Lead Quality ✔ Improved Conversion Rates ✔ Stronger Local Brand Visibility I don't believe in chasing rankings alone. My approach focuses on building a strong local presence that drives real business growth. Every recommendation is backed by data, competitor research, and a clear understanding of how local customers search and make decisions. Whether you're a single-location business, a service-area company, or managing multiple locations, I can help you create a sustainable Local SEO strategy that delivers measurable results. 💬 If you're ready to increase your visibility on Google Maps, rank in the Local 3-Pack, and generate more local customers, let's connect. 🚀 Let's turn your Google Business Profile into a lead-generation machine. 🔖 Keywords & Tags: AI SEO Expert | AEO Expert | GEO Optimization | Generative Engine Optimization | Answer Engine Optimization | AI Search Optimization | Entity SEO | Google SGE Expert | ChatGPT SEO | Perplexity Optimization | Voice Search SEO | Local AI SEO | Technical AI SEO | Semantic SEO | Structured Data Expert | E-E-A-T Optimization | AI Content Optimization | Search Generative Experience | AI SEO Strategy | Machine Learning SEO | Generative AI Marketing | Google AI SEO | Future of SEO | AI Visibility | AI-driven Content Strategy

I have tota 16 years experience unix/linux system admin , certified RHCE and 5 years in devops include kubernetes , docker swarm CI/CD with Jenkins and github actions, automation with ansible and python scripts. Certified in Aws and Azure. Worked in google cloud and Ditigal ocean and experts in linux system security, I am certified kubernetes administrator

Experienced hardware software and systems engineer with experience with enterprise IT sector and small and medium businesses. Linux SME, skilled Java application developer, mostly backend, some frontend. Linux and AIX Afficianado. LunarVim, Bash/KSH-93 NetApp Basics... MSFT Azure, IBM Dev EDA, Simulation Process Schedulers like SLURM + LSF + Others. Ansys, Hw + Sw + &c. Can write shell scripts for various tasks, service scripts, package RPM's and other distribution specific unix and linux packages, program in python, perl, and php (and several other languages)

I am a software developer with experience in web applications, APIs and API clients (Java, Scala, PHP, Python, AWS, Docker, Kubernetes); scripts (Python, bash, Perl); machine learning (C++, Python) and audio signal processing (C++, Matlab).

🚀 Looking to bring a cutting-edge embedded product to life? I provide hardware & firmware solutions that power smart, connected devices—from concept to certified, production-ready electronics. With 15+ years of hands-on experience, I’ve helped startups and enterprises successfully launch 50+ products across industries, including IoT, industrial automation, and consumer electronics. I specialize in end-to-end product development, ensuring seamless hardware-firmware integration, low-power optimization, cloud connectivity, and regulatory compliance (FCC, CE, etc.). Whether you need a prototype, small-batch production, or full-scale manufacturing, I can support you at every stage. 🔹 Services Offered ✅ Embedded Firmware Development – Real-time, energy-efficient, and scalable solutions ✅ Custom Hardware & PCB Design – Schematic design, PCB layout, and prototyping ✅ IoT & Wireless Expertise – LoRaWAN, Wi-Fi, Bluetooth, Cellular IoT (2G, 3G, 4G, NB-IoT) ✅ Device Manufacturing & Prototype Production – Rapid prototyping, small-batch production, and mass manufacturing support ✅ Cloud & Dashboard Solutions – IoT data visualization with ThingsBoard, AWS IoT, and ChirpStack ✅ Regulatory Compliance & Certification – FCC, CE, UL pre-compliance testing and firmware optimization ✅ Full-Stack Embedded Solutions – From board bring-up to cloud integration I help businesses and innovators get high-quality embedded solutions without delays or technical roadblocks. Whether you're building a prototype, scaling to production, or optimizing an existing design, I provide efficient, cost-effective, and scalable solutions. 📡 Expertise in Microcontrollers & Hardware ✅ Microcontrollers & SoCs: STM32 (STM32WL, STM32WB, STM32L0, STM32L4, STM32F1, STM32F4, STM32F7), AVR, PIC, Renesas, TI, NXP, ESP32, Raspberry Pi (RP2040) ✅ Wireless & IoT Technologies: LoRa, LoRaWAN, Sub-GHz, Wi-Fi, Bluetooth, Cellular IoT (2G, 3G, 4G, NB-IoT) ✅ Communication Interfaces: I2C, SPI, UART, QSPI, RS485, RS232 ✅ LoRaWAN Gateways: Milesight UG65, RAK Wireless WisGate, CloudGate Micro 💻 Software & Development ✅ Programming Languages: C, C++, Assembly, Perl, C#, Python, JavaScript ✅ RTOS & Embedded OS: FreeRTOS, Zephyr, QNX, RT-Linux ✅ Cloud & IoT Platforms: AWS IoT Core, The Things Network (TTN), ChirpStack ✅ IoT Dashboard Solutions: ThingsBoard, Grafana, and AWS IoT Dashboards ✅ Protocols: REST API, MQTT 🚀 Why Work With Me? ✅ Full-cycle embedded product development – from PCB design to firmware & manufacturing ✅ Experience in industrial, consumer, and medical electronics ✅ Optimized solutions for low power, real-time performance, and scalability ✅ Seamless integration of IoT hardware with cloud-based dashboards ✅ Proven track record of delivering high-quality, production-ready embedded systems 📩 Let’s discuss your project! Whether you need PCB design, firmware development, IoT dashboards, prototype production, or full-scale manufacturing, I can help. Click ‘Invite to Job’ to get started! 🚀

***Available Now*** I'm a top-rated UI/UX Designer, Graphic Designer, and Front-end web developer with a rare blend of design and technical skills for the past 15 years. I bridge the gap between design and engineering that help my clients meet user needs and drive business goals. Here’s what I bring to every project: ***Top Rated – Consistently holding Upwork's top rated freelancer badge. ***Over 100k in total earnings working on over 100 projects over the last decade. ***Collaborated with top brands, startups and agencies including Apple, Swarovski, Ninja Kitchen, Wrthy, Janus Henderson and California Department of Housing and Community Development. ***Project highlights: BeWrthy: Conducted user research and designed app previews, CTAs, and gamified anonymous reviews using Figma and Adobe CC to enhance UX and boost engagement. KnitPal Yarn: Designed product labels and crochet printables with Adobe Illustrator and created TikTok video content using CapCut and Canva to increase brand visibility. Janus Henderson Investors: Collaborated on a Figma-based design system with auto layouts, components, and prototypes to streamline UI/UX for a global investment platform. Rogall + Co.: Redesigned WordPress marketing pages, embedding video content and improving layout for a polished contractor brand presence. Independa: Designed UI/UX for mobile and tablet screens and revamped brand identity to improve usability for telehealth platform serving seniors. California HCD – MRLPP: Created accessible, ADA-compliant communication materials with Adobe CC and Figma, supporting mobilehome owners in dispute resolution.

o 17+ years of experience building iOS apps – one of the original App Store developers (July 2008) o 22+ years successfully working with dozens of clients from my REMOTE office, as a telecommuter o 30+ Apps published in the Apple App Store and Enterprise o 25+ years of professional software development experience o 20+ years of experience with networking protocols & methodologies: REST, JSON, HTTP, TCP, UDP o 20+ years of experience with source control systems: Git, SVN, CVS, RCS, VSS, Perforce o Keen ability to distill complex concepts and systems into easily understandable terms o Outstanding analytical and problem-solving skills o Ability to work independently and as part of a team o Exceptional attention to detail, remarkably fast learner, excellent communication skills. o Personable, enthusiastic, conscientious. o Languages: Objective-C, C++, Swift, Java, Kotlin, JavaScript, PHP, Python, Perl, C, C#. o Operating Systems: iOS, watchOS, macOS, Windows, Linux, Unix. o IDEs: Xcode, Android Studio, Visual Studio, Eclipse. o Experience with API architecture design. o Strong understanding of multi-threaded and concurrent applications. o Expert understanding of all aspects of the iOS provisioning workflow. o Experience developing in an agile and test-driven environment. o Experience creating dynamic libraries with CocoaPods. o Experience with third-party libraries, APIs, and SDKs. o Hands-on experience with UIKit, CoreData, CoreGraphics, CoreAnimation, Cocoa design patterns. o Experience with a wide variety of analytics platforms, including Firebase (Google), Flurry (Yahoo), AWS, comScore, Nielsen, Adobe, MOAT (Oracle). o Ability to bring designer’s creations to life, with pixel-perfect implementations. o Experience in video and media-based development projects. o Working knowledge of Android development (Android Studio, Java, Kotlin, XML, Gradle, CircleCI).