I hold a Master of Science in Computer Science from the Illinois Institute of Technology and a Microsoft Certified Developer credential. Over 12+ years, I've partnered with reputable US-based clients to architect and deliver web and mobile applications, ecommerce platforms, backend systems, and AI-powered solutions that support real business operations across industries — on time, on budget, and built to last. When mid-size and enterprise teams need a senior developer they can trust with complex, high-stakes projects — they hire me. What I do best: - .NET, PHP Python full-stack development — robust, secure, and enterprise-grade - Mobile app development (iOS & Android) from concept to launch - API design, development, and seamless third-party integrations - SQL Server & MySQL — database architecture, optimization, and performance tuning - AI & machine learning integration — intelligent features built into real products - Legacy system modernization, code audits, and architecture consulting - Full product lifecycle ownership: architecture → development → testing → deployment across Windows, Linux, and Mac environments Need more than one developer? I can provide a dedicated team of experienced developers and project managers for end-to-end delivery — giving you agency-level capacity with senior-level oversight, accountability, and a single point of contact you can trust. Who I work with: Mid-size and enterprise teams who need a technically strong, communicative partner — not someone they have to babysit. Whether you're scaling an existing platform, modernizing a legacy system, integrating AI into your product, or building something from the ground up, I bring the experience and leadership to move fast without cutting corners. Why clients keep coming back: I don't just write code — I bring product thinking, technical leadership, and a genuine investment in your business goals. I ask the right questions upfront, communicate proactively, flag risks before they become expensive, and deliver consistently. My clients value long-term partnerships, not one-and-done transactions. Got a project in mind? Send me a message and I'll get back to you within a few hours.

I work on Ruby on Rails and Shopify-based systems, mainly focused on backend development, custom apps, and integrations. Most of the projects I handle involve connecting different systems, Shopify stores, APIs, third-party tools, and internal workflows. Recently, I’ve also been working on automation using n8n to reduce manual work and streamline processes. Here’s what I usually help with: - Ruby on Rails backend development and API creation - Shopify app development (custom features, private/public apps) - Shopify store improvements and custom functionality - Third-party integrations (payments, CRM, external APIs) - Workflow automation (webhooks, scheduled jobs, system sync) - Fixing or improving existing applications I try to keep things simple and reliable - clean backend logic, stable integrations, and solutions that are easy to maintain. If you already have a system and need improvements, integrations, or automation, I can review it and suggest a clear approach.

Senior full-stack engineer (10+ years) who builds and modernizes SaaS platforms and integrates AI into them, using .NET Core, React, Node.js, and Python. Top Rated, 100% Job Success. My work currently powers platforms serving 10,000+ active users. A few results clients hired me for: - Cut payment processing time by 40% by re-architecting Stripe/PayPal integrations for a SaaS platform - Migrated 2M+ records from legacy SQL Server to PostgreSQL with zero data loss and under 2 hours of downtime - Replaced a legacy Windows desktop system with a modern ASP.NET Core API platform - Built and shipped production LLM features (OpenAI and Claude APIs): chatbots, document processing, and AI-assisted workflows inside existing products - Reduced regression testing time from 4 hours to 30 minutes with 500+ automated API tests (85% coverage) WHAT I DO BEST 1. AI integration into real products, not demos. I connect OpenAI/Claude APIs to your existing app with proper prompt design, streaming, cost controls, and error handling, so the feature survives production traffic. 2. Backend architecture and APIs: REST and GraphQL services in ASP.NET Core (.NET 6+), Node.js (Express/NestJS), and Python (Django). Event-driven systems, WebSockets/SignalR, RabbitMQ/SQS. 3. Legacy modernization: moving desktop or monolithic systems to clean, cloud-based APIs without breaking the business that depends on them. 4. Cloud and DevOps: AWS (EC2, RDS, Lambda, S3, CloudWatch), Azure, Docker, CI/CD, Linux server management. 5. Databases: SQL Server, PostgreSQL, MySQL. Schema design, query optimization, and high-stakes migrations. I also work confidently across the frontend (React, TypeScript, Next.js) when a project needs end-to-end delivery. HOW I WORK I take ownership of the backend: I ask the questions that surface hidden requirements early, break work into clear milestones, write maintainable code with reviews and tests, and communicate proactively. You will never wonder what's happening with your project. Clients describe me as reliable, collaborative, and a clear communicator (their words, from endorsed reviews). A good fit looks like: a SaaS founder or team that values quality and long-term maintainability, has realistic timelines, and wants a senior engineer who can think about the product, not just the ticket. I'm not the right fit for lowest-bid or rush-only projects. If you need AI capabilities added to your product, a scalable backend built right the first time, or a legacy system brought into the modern stack, send me an invite and let's talk through your project.

### Top Rated Plus Mobile App Architect for AI-Ready, Scalable Products I help founders and product teams build **well-engineered MVPs and scalable mobile applications** — designed to validate ideas quickly *and* evolve smoothly as the product grows. As a **Top Rated Plus** mobile app architect with **12+ years of experience**, I’ve delivered complex iOS, Android, and cross-platform apps involving **AI, HealthKit, AR, real-time features, and secure backend integrations** on large, long-term engagements. My focus is on building the **right foundation early**, so your MVP doesn’t need a painful rewrite once traction arrives. ## How I Add Value Clients typically work with me when they want to: * Build an MVP that’s **lean, clean, and future-ready** * Add **AI features** thoughtfully (not as bolt-ons) * Implement HealthKit, AR, or real-time functionality correctly * Scale their app with confidence after validation ## Core Expertise ### AI-Enhanced Mobile Apps * GPT-powered chat, AI search, and content generation * Whisper voice transcription & voice-driven UX * Vision API, CoreML, TensorFlow Lite * Personalization & recommendation systems ### Native & Cross-Platform Development * **iOS:** Swift, SwiftUI, HealthKit, ARKit * **Android:** Kotlin, Java, ARCore * **Cross-platform:** React Native & Flutter ### MVP → Scale Architecture * Modular, maintainable, and extensible app design * Clean codebases that support iteration and growth * App Store & Play Store–compliant builds ### Real-Time & Advanced Features * Live chat, GPS tracking, geo-fencing * Push notifications, video, Firebase * Stripe payments, REST & GraphQL APIs ## Why Clients Choose Me * **Architect-Level Thinking** I design MVPs and products with long-term evolution in mind. * **Hands-On Execution** I stay involved from design decisions to production code. * **Product Awareness** I help teams balance speed, quality, and business goals. * **Proven Trust** Backed by **Top Rated Plus status**, 5-star reviews, and high-value projects. ## Selected Project Highlights * AI-powered HealthTech app using **CoreML + GPT + Apple HealthKit** * AR kitchen planning app from Figma to development-ready architecture * Voice-activated iOS productivity app using **Whisper API** * Scalable eCommerce mobile app with **Stripe & custom CMS** ## Tech Stack Swift | Kotlin | Java | Dart | TypeScript React Native | Flutter | Firebase | CoreML | TensorFlow Lite OpenAI APIs | HealthKit | ARKit | REST | GraphQL MVVM | Clean Architecture | Modular App Design ## Who I’m a Good Fit For ✅ Founders validating ideas through MVPs ✅ Startups preparing to scale ✅ Teams that value clean architecture and reliability If you’re looking for a **Top Rated Plus mobile architect** who can help you **build an MVP the right way and scale it confidently**, let’s connect. — **Sid**

A startup founder came to me with a four-week investor deadline, a constrained enclosure, and no schematics. We engineered a dense 6-layer IoT PCB layout with full signal integrity simulation it powered up perfectly on the first pass, secured their seed round, and earned this review: “He didn’t just design a circuit board, he literally saved our investor launch.” That outcome isn't luck. It's the result of treating every hardware engagement as a production problem from day one, not a prototype exercise. I'm a Top Rated Plus PCB design engineer and electrical engineering specialist with 10+ years of experience and 85+ completed hardware deployments across IoT devices, industrial automation, robotics platforms, and medical device electronics. My work covers the full hardware development cycle, schematic design, multilayer PCB layout, embedded systems integration, signal integrity optimization, and manufacturing-ready deliverables that hold up through fabrication and real-world operation. Recent projects include a flexible PCB design for NIR (near-infrared) sensing and a Bluetooth lapel microphone board built on the Nordic NRF52840 compact, signal-sensitive hardware where PCB layout discipline, impedance control, and RF interference management directly determine whether the product works. ESP32 and STM32 embedded systems, BLE and WiFi communication hardware, motor controllers, and power electronics for EV and industrial automation applications make up the rest of my active project history. ● How I Work: I design primarily in Altium Designer and KiCad, with schematic design and IPC-compliant component sourcing completed before layout begins. Every PCB layout is built around DFM and DFA principles, high-speed routing, impedance control, EMI/EMC mitigation, differential pair routing, and thermal management so respins stay rare and first-pass success rates stay high. Deliverables include fabrication-ready Gerber files (RS-274X/ODB++), CPL/pick-and-place files, and production-ready Bills of Materials. No loose ends at handoff. ● Core Expertise: ⁃ PCB Design & Layout: Multilayer PCB layout (2-layer to 12+ layer), high-speed routing, signal integrity analysis, impedance matching, EMI/EMC mitigation, rigid-flex PCB design, thermal management, DFM/DFA optimization ⁃ Schematic Design & Circuit Engineering: Schematic capture, analog and digital circuit design, mixed-signal circuit development, power electronics design, BOM optimization, component lifecycle analysis ⁃ Embedded Systems & IoT Hardware: ESP32, STM32, ARM Cortex embedded hardware development, BLE and WiFi system integration, low-power IoT hardware design, embedded firmware-ready platform development, wireless sensor node design ⁃ ECAD Tools: Altium Designer, KiCad, Autodesk Eagle footprint and library generation to IPC standards ⁃ Manufacturing Deliverables: Gerber files (RS-274X / ODB++), pick-and-place/CPL files, production BOM, fabrication, and assembly documentation. ● Who I Work With: My strongest engagements are with founders and engineering teams who treat hardware development as a serious investment not a race to the cheapest PCB layout quote. ● Who are strong fit: ⁃ You are building a market-bound product and understand the real costs of component sourcing and PCB prototyping cycles ⁃ You are ready to invest the time and budget that production-quality electrical engineering actually requires ⁃ You come with defined requirements a clear concept, target specs, or reference schematic design ⁃ You are available for brief milestone reviews to keep the PCB design aligned throughout development ● We are not a fit if: ⁃ You need a homework assignment or university thesis completed. I work exclusively on commercial hardware ⁃ You want to skip signal integrity checks or DFM rules to reduce cost, but still expect a reliable, production-ready board ⁃ You need a complex multilayer PCB design completed in two to three days responsible embedded systems engineering requires a realistic timeline ● Track Record: 100% Job Success · Top Rated Plus · $200K+ earned · 5,700+ hours delivered Upwork hourly and fixed-price engagements, from initial schematic design through manufacturing handoff. If your project is production-bound and you need a PCB design and embedded systems engineer who takes full ownership from schematic design through fabrication-ready deliverables invite me to your job or book a direct consultation to review PCB stack-up strategy, circuit architecture, and component selection before we begin.

Since 2018 I've run paid ads for 60+ businesses - from small local shops to e-commerce stores spending $60K/month. I work across Meta, Google, and TikTok Ads, and I focus on one thing: making your ad budget return more than it costs. Here's what that looks like in practice: Scaled an e-commerce store from $10K to $60K/month with ROAS over 500% Achieved ROAS 21 for a wholesale store, growing daily sales from 1–4 orders to 23–30 Cut CPL from $533 to $68 for a tree service - 84 leads and 97 calls per month Delivered 28,000+ leads/month for a US recruiting firm at $1.46 per lead via Google Ads Grew an Apple tech store in Switzerland from 15 to 80+ sales/month, cutting conversion cost 3.5× in 3 months Generated 830 bookings at €6.1 CPL for a Malta coliving space (target was €9.3) Increased a Kyiv auto service's customer count by 267% with CPL of $11 on Meta and $14 on Google I've worked with e-commerce, local services, real estate, fitness, recruitment, and B2B - so I understand that what works for one business model won't work for another. I don't use cookie-cutter campaigns. Every account gets its own structure, its own creative strategy, and its own optimization logic. Beyond media buying, I set up full-funnel tracking - GA4, Pixel, GTM, CRM integration - so you know exactly what's working and where the money goes. My skills include: Meta Ads - lead gen, e-commerce scaling, creative testing, retargeting Google Ads - Search, Performance Max, Shopping, campaign scaling TikTok Ads - e-commerce and lead generation campaigns Tracking & Analytics - GA4, GTM, Meta Pixel, GoHighLevel, CRM setup Reporting - ROAS/CAC/CPL analysis Full-funnel strategy - audience building, retargeting, A/B testing On Upwork: 100% Job Success Score, 10,000+ hours, 48 reviews. If you want to know whether I can help your specific business - message me. I'll tell you honestly what's possible and what isn't.

TOP RATED on UPWORK. I am Kirti Kaushal, a Chandigarh (North India) based freelancer, Passionate about Web Design and development, with over 11700 hours of experience and 144 Projects on Upwork. I am available full-time during PST and EST daytime. I have developed more than 400 websites for my customers, with a range of small and mid-level businesses to high-level businesses. I am 100% confident and capable of implementing your idea into a clean, managed, professional, mobile-friendly, and SEO-optimized website. I specialize in WordPress, Shopify Plus, Shopify, Squarespace, Webflow, Weebly, Unbounce, Click funnel, Lead Pages, PHP, Laravel, React, CodeIgniter, Python, Django, SEO, NFT Minting website development and integration with web3. For web-related projects, I generally provide the following : ⭐ Complete Web development of E-commerce Stores, Information websites, and any kind of business using any skill. ⭐ High-quality solutions and implementations. ⭐ Building any custom Cross-Plugin solutions. ⭐ Finding & solving difficult problems on existing websites. ⭐ Building advanced solutions from scratch. ⭐ Custom solutions, theme & plugin modifications, plugins from scratch. ⭐ Solutions on APIs. I also provide customised services in: CMS:- WordPress (Any kind of Theme Installation and Customization, WordPress Plugin Development, PSD to WordPress, Theme Development in WordPress. WordPress Admin Panel Customization), Hubspot CMS Customization, Squarespace website development, Webflow website development. - Shopify and Shopify Plus(Theme customization, template customization, PSD to Shopify, app integration) - ELEMENTOR PRO - PSD/PDF/Image to Responsive HTML (Bootstrap Framework) You can see awesome feedback given by clients on my profile. - Website maintenance services. I will be happy to serve you with your business needs. let's get started!

If your GoHighLevel CRM, funnels, or automation workflows are disconnected, unorganized, or not converting properly — or you need a custom software solution built from scratch — I help businesses implement scalable systems that automate operations, improve lead generation, and support business growth. From GoHighLevel AI automation and CRM workflows to custom websites, SaaS platforms, and API integrations, I provide structured technical solutions using React, Laravel, Python, and Node.js to build systems that are connected, optimized, and revenue-ready. My focus is building automation-driven business systems using GoHighLevel (GHL), custom software development, AI automation, APIs, SaaS architecture, and full-stack web applications to help businesses streamline operations, improve conversions, and reduce manual work. ✅ GoHighLevel (GHL) CRM & AI Automation Systems I specialize in complete GoHighLevel CRM setup, automation systems, funnels, AI workflows, and advanced GHL customization, including: 🔹 Full GHL account setup & onboarding 🔹 Pipelines & opportunity management 🔹 Workflow automation systems 🔹 Email, SMS & WhatsApp automation 🔹 Conversational AI & Voice AI bots 🔹 AI appointment booking systems 🔹 Sales funnels, landing pages & websites 🔹 Ecommerce / online store setup 🔹 Calendars & booking systems 🔹 Lead nurturing & lead routing systems 🔹 Forms, surveys & quiz funnels 🔹 Webinar automation systems 🔹 Course & membership setup 🔹 Payment integrations & automation 🔹 A2P 10DLC verification 🔹 Snapshots & CRM migrations 🔹 Review management systems 🔹 Affiliate management systems 🔹 Dashboards, reports & analytics 🔹 Email configuration & deliverability I help businesses build GoHighLevel systems that are optimized, automated, scalable, and fully connected. ✅ Custom Software Development & API Integration Solutions Beyond GoHighLevel, I provide complete custom software development and API integration solutions for businesses needing scalable systems, SaaS platforms, web applications, automation infrastructure, and enterprise-level technical solutions. ✔️ Custom Software & SaaS Solutions 🔹 Full-stack web applications 🔹 SaaS & multi-tenant platforms 🔹 CRM & ERP systems 🔹 Ecommerce & online store systems 🔹 Inventory & project management systems 🔹 Admin dashboards & reporting tools 🔹 Booking & appointment systems 🔹 Client portals & enterprise solutions ✔️ Technologies & Development Stack 🔹 React.js, Laravel, Python, Node.js, Next.js, Vue.js, Livewire 🔹 PostgreSQL, MySQL, MongoDB, Firebase, Supabase 🔹 AWS Lambda, Vercel Functions, Google Apps Script Automation 🔹 REST APIs, GraphQL, Webhooks, Microservices, WebSocket APIs ✔️ API Integrations & Automation 🔹 Stripe, PayPal, Twilio, SendGrid, Slack 🔹 Salesforce, HubSpot, Shopify, WooCommerce 🔹 Zapier, Make, n8n, Pabbly 🔹 OAuth, JWT authentication & secure API systems 🔹 AI API integrations & multi-platform automation systems I work with startups, agencies, SaaS companies, ecommerce brands, consultants, local businesses, and growing enterprises looking to automate operations, improve lead management, connect systems, and scale efficiently. Additionally, I also support businesses with social media marketing systems, ad funnel support, retargeting setup, and conversion-focused automation strategies when needed. If you’re looking for a certified GoHighLevel (GHL) & AI Automation Specialist or a custom software development & API integration solutions provider to build scalable systems that actually support business growth, feel free to send me a message.

Top Rated Plus Creative Professional with $40K+ earned on Upwork, helping businesses, brands, agencies, and content creators produce engaging visual content that drives attention and results. I specialize in video editing, motion graphics, 2D animation, social media content, and creative visual production for marketing, advertising, and online growth. Services I provide: • Video Editing • Motion Graphics • 2D Animation • Explainer Videos • Social Media Content • Reels & Short-Form Videos • Advertisement & Promo Videos • Testimonial Videos • YouTube Content • Highlight Videos • Color Grading • Post-Production Tools: • Adobe After Effects • Adobe Premiere Pro • Final Cut Pro • Adobe Illustrator • Adobe Photoshop I focus on creating clean, modern, and engaging content that aligns with brand goals while maintaining high production quality. Clients value my reliability, communication, attention to detail, and ability to deliver polished work on time. Whether you need video content for marketing, social media, advertising, or brand storytelling, I can help bring your ideas to life.

I am a professional online tutor with extensive experience teaching Maths, Physics and Chemistry to students of O-levels, A-levels, GCSE, IGCSE, and IB. I have also helped numerous students around the world prepare for SAT, ACT, and AP exams. My teaching methodology involves explanation of concepts in detail and in a way that is easy to understand. Furthermore, I help my students learn how to apply those concepts for solving problems. It is my passion to help students achieve academic excellence.