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Muhammad Mohsin R.
$45/hr
100% Job Success
$300K+ earned
Offers consultations
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🏆 𝐓𝐨𝐩 𝟑% 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤 ⭐⭐⭐⭐⭐ I've been making custom software for more than ten years now. I'm really good at using Ruby on Rails, NodeJS, and ReactJS. On Upwork, I'm in the top 3% of developers! I love making software that's super good, works for a lot of people, and is easy to keep up-to-date. So, if you have an idea for a software, I'm your person! I've finished 42 projects so far and spent over 11,000 hours doing it. Every time, I make sure to solve tough problems in smart ways. Whether you want to make a new website, fix up an old one, or add cool new stuff, I can help. I believe in talking a lot with you to understand exactly what you need and helping you through the whole process. One of my recent wins was helping a client sell their business for $2.25 Million! Looking for someone with lots of experience, who you can trust, and who's really good at what they do? Let's make your ideas real!
Muhammad Mohsin R. has worked .
Infitics
Associated with
Infitics
$8/hr
75% Job Success
$4K+ earned
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I'm an adaptable Web Developer who strongly values clean and accessible design which lends itself to practical usage. Always interested in new challenges. I am proficient in React, Redux, Angular, and Ruby on Rails, and eager to learn more languages and frameworks.
Surender T.
$20/hr
100% Job Success
$200K+ earned
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I help businesses build, scale, maintain, and modernize Ruby on Rails applications, from backend architecture and APIs to the frontend experiences users interact with every day. Most of my 11+ years of experience has been focused on building, maintaining, and evolving Ruby on Rails applications running in production environments where stability, maintainability, and long-term growth matter. My experience spans multiple generations of the Rails ecosystem, including legacy applications, modernization initiatives, production upgrades, and modern Rails development across Rails 3.x - Current and Ruby 1.8.x - Current. While Rails has been my primary specialization throughout my career, I also work across the full application stack when projects require frontend development, user-facing features, third-party integrations, and end-to-end technical ownership. Throughout my career, I have helped businesses with projects such as: • Building new Ruby on Rails applications from the ground up • Extending, maintaining, and taking ownership of existing production systems • Modernizing legacy Rails applications and upgrading Rails and Ruby versions • Designing backend architecture, APIs, and scalable system components • Integrating third-party services including payments, authentication, messaging, email delivery, and external APIs • Building and maintaining full-stack functionality using Ruby on Rails, React, Hotwire (Turbo & Stimulus), and modern Rails tooling • Building, extending, and maintaining e-commerce platforms including Spree Commerce applications • Improving application, database, and system performance, reliability, and scalability • Production debugging, incident resolution, and reliability improvements • Infrastructure setup, deployment, environment management, and long-term system maintenance My focus is building systems that remain stable in production while continuing to evolve as products grow and business needs change. 𝗔𝗜-𝗣𝗢𝗪𝗘𝗥𝗘𝗗 𝗔𝗣𝗣𝗟𝗜𝗖𝗔𝗧𝗜𝗢𝗡 𝗙𝗘𝗔𝗧𝗨𝗥𝗘𝗦 ✔ Design and integration of AI-powered features into Ruby on Rails applications ✔ LLM-powered systems using OpenAI and similar APIs for chat, assistants, and workflow automation ✔ AI-driven document processing, summarization, structured data extraction, and content classification ✔ Semantic search and knowledge retrieval systems (RAG) ✔ Integration of AI capabilities into production Rails systems with scalability, security, and maintainability in mind ✔ Enhancing existing applications with AI functionality while preserving system reliability and performance 𝗧𝗘𝗖𝗛𝗡𝗜𝗖𝗔𝗟 𝗢𝗪𝗡𝗘𝗥𝗦𝗛𝗜𝗣 I take ownership of the technical side of systems, not just individual features. This includes understanding existing architecture, identifying risks, evaluating trade-offs, and planning implementation approaches that support long-term system health. ✔ Break down requirements into clear technical solutions ✔ Explain trade-offs, complexity, risks, and long-term impact ✔ Identify integration dependencies and system constraints ✔ Recommend scalable and practical solutions aligned with business goals ✔ Translate technical concepts into clear, non-technical language ✔ Take ownership from planning through deployment and ongoing support ✔ When requirements are unclear or incomplete, I work with clients to clarify the full use case, align on expected outcomes, and make informed technical decisions ✔ Use modern AI-assisted engineering tools to accelerate research, implementation, and delivery while applying full technical review, validation, and engineering judgment to all outputs ✔ Drive projects and features to successful, timely delivery while maintaining high standards for quality, reliability, and long-term system health My focus is not just delivering features, but ensuring the right solution is built and successfully maintained. 𝗔𝗣𝗣𝗟𝗜𝗖𝗔𝗧𝗜𝗢𝗡𝗦 & 𝗦𝗬𝗦𝗧𝗘𝗠𝗦 ✔ SaaS platforms ✔ Business management systems ✔ Internal tools and dashboards ✔ Booking and scheduling systems ✔ Marketplace platforms ✔ Multi-tenant applications ✔ Workflow automation systems ✔ Customer and operations platforms ✔ Payment-enabled and subscription-based applications ✔ Mobile application backends ✔ Legacy system modernization projects 𝗧𝗘𝗖𝗛𝗡𝗜𝗖𝗔𝗟 𝗦𝗧𝗔𝗖𝗞 • Ruby (1.8.x - Current) · Rails (3.x - Current) • JavaScript · React · Hotwire (Turbo & Stimulus) · AngularJS · HTML · CSS · Tailwind CSS · Bootstrap · jQuery • PostgreSQL · MySQL · Redis · MongoDB • REST API Development · GraphQL · OAuth • AWS · DigitalOcean · Heroku · Cloud66 · Linux • Nginx · Apache · Passenger • RSpec · Unit Testing · Integration Testing · TDD · Automated Testing 𝗧𝗛𝗜𝗥𝗗-𝗣𝗔𝗥𝗧𝗬 𝗜𝗡𝗧𝗘𝗚𝗥𝗔𝗧𝗜𝗢𝗡𝗦 • Payment Gateways: Stripe · PayPal · Paytm · Razorpay • Accounting Platforms: QuickBooks · Zoho Books · Plaid • Communication Services: Twilio · Plivo · MessageBird, MailChimp · Mailgun · SendGrid • Social Platforms: Google · Facebook · LinkedIn · Twitter
Surender T. has worked .
Mallow Technologies Private Limited
Associated with
Mallow Technologies Private Limited
$2M+
earned
Usama A.
$20/hr
100% Job Success
$70K+ earned
Available now
Offers consultations
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𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭, 𝐒𝐡𝐨𝐩𝐢𝐟𝐲 𝐀𝐩𝐩𝐬, 𝐏𝐚𝐲𝐦𝐞𝐧𝐭 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧, I help teams build backend-powered apps and eCommerce platforms that scale. With 8+ years in full-stack roles, I bring structure, security, and smooth UX to everything I work on. I’ve built everything from Shopify billing apps to complex SaaS dashboards with Stripe, PayPal, and Recharge integrations baked in. 𝐇𝐨𝐰 𝐈 𝐇𝐞𝐥𝐩 & 𝐖𝐡𝐚𝐭 𝐈 𝐔𝐬𝐞: 𝐒𝐡𝐨𝐩𝐢𝐟𝐲 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Polaris-based UIs, Liquid, Checkout Extensibility, Embedded Apps 𝐏𝐚𝐲𝐦𝐞𝐧𝐭 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬: Stripe, Shopify Payments, PayPal, Recharge, Braintree 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐒𝐲𝐬𝐭𝐞𝐦𝐬: Ruby on Rails, Node.js, Express 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐈𝐧𝐭𝐞𝐫𝐟𝐚𝐜𝐞𝐬: React, Vue.js, JavaScript, Tailwind, HTML/CSS 𝐀𝐏𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: REST, GraphQL, Twilio, Klaviyo, OpenAI 𝐋𝐢𝐯𝐞 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬: WebSockets, Redis, Sidekiq, ActionCable 𝐂𝐈/𝐂𝐃 & 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭: Docker, GitHub Actions, Heroku, AWS 𝐓𝐞𝐬𝐭𝐢𝐧𝐠: RSpec, Capybara, Jest 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬: PostgreSQL, Redis, MySQL 💬 I focus on long-term, maintainable solutions, not just quick fixes. 𝐍𝐞𝐞𝐝 𝐚 𝐜𝐮𝐬𝐭𝐨𝐦 𝐚𝐩𝐩, 𝐩𝐚𝐲𝐦𝐞𝐧𝐭 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧, 𝐨𝐫 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐰𝐨𝐫𝐤𝐟𝐥𝐨𝐰 𝐭𝐡𝐚𝐭 𝐣𝐮𝐬𝐭 𝐰𝐨𝐫𝐤𝐬? 𝐋𝐞𝐭’𝐬 𝐜𝐨𝐧𝐧𝐞𝐜𝐭 𝐚𝐧𝐝 𝐛𝐮𝐢𝐥𝐝 𝐢𝐭 𝐫𝐢𝐠𝐡𝐭. #RubyOnRails #NodeJS #ShopifyDeveloper #ShopifyApps #VueJS #Liquid #PostgreSQL #MySQL #Redis #Docker #Heroku #AWS #OpenAI #GraphQL #RESTAPI #FullStackDevelopment #CI/CD #TDD #DevOps #CleanCode #ScalableArchitecture
Usama A. has worked .
Kashif T.
$20/hr
100% Job Success
Available now
Offers consultations
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I’m 𝗞𝗮𝘀𝗵𝗶𝗳 𝗧𝗮𝗿𝗶𝗾, a 𝗧𝗼𝗽 𝟭% AI-driven 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 with over 𝟭𝟬 𝘆𝗲𝗮𝗿𝘀 of experience. I’ve delivered 𝗵𝗶𝗴𝗵-𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗦𝗮𝗮𝗦 and 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝐧𝐬. 𝗛𝗲𝗮𝗱𝗹𝗲𝘀𝘀 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 | 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 𝗣𝗹𝘂𝘀 | 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 𝗛𝘆𝗱𝗿𝗼𝗴𝗲𝗻 | 𝗡𝗲𝘅𝘁.𝗷𝘀 | 𝗦𝘁𝗼𝗿𝗲𝗳𝗿𝗼𝗻𝘁 𝗔𝗣𝗜 | 𝗔𝗱𝗺𝗶𝗻 𝗔𝗣𝗜 | 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 𝗟𝗶𝗾𝘂𝗶𝗱 𝗘𝘅𝗽𝗲𝗿𝘁 | 𝗖𝗥𝗢 & 𝗦𝗘𝗢 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁 | 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀 | 𝗡𝗼𝗱𝗲.𝗷𝘀 | 𝗡𝗲𝘀𝘁.𝗷𝘀 | 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁 | 𝗣𝘆𝘁𝗵𝗼𝗻 | 𝗙𝗮𝘀𝘁𝗔𝗣𝗜 | 𝗗𝗷𝗮𝗻𝗴𝗼 | 𝗥𝘂𝗯𝘆 𝗼𝗻 𝗥𝗮𝗶𝗹𝘀 | 𝗧𝘄𝗶𝗹𝗶𝗼 𝗔𝗣𝗜 | 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁𝘀 | 𝗥𝗔𝗚 | 𝗻𝟴𝗻 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 With a track record of completing over 100+ projects, I specialize in Shopify, Ruby on Rails, and Python, ensuring scalable, stable, and high-performance ✅ Cursor – AI-powered IDE for rapid coding ✅ ClaudeCode with MCP – Smart, Agent-Driven Code Assistance ✅ Replit – AI agent for accelerated development ✅ Lovable.dev – AI agent for accelerated development ✅ GitHub Copilot – Intelligent code assistance ✅ Google Antigravity - AI Assisted Development 🧩𝗪𝗛𝗔𝗧 𝗜 𝗗O 🚀 𝗦𝘁𝗿𝗲𝗻𝗴𝘁𝗵𝘀 & 𝗦𝗸𝗶𝗹𝗹𝘀: ✅ Shopify developer in e-commerce development: Shopify |Shopify Developer Shopify Plus | Shopify Designer / Developer (Liquid, page builder, apps)|Shopify Dev|Shopify Site Migration Shopify templates|Shopify Frontend Developer| ✅ Web Development: React | Next.js | 𝘼𝙄 𝘼𝙜𝙚𝙣𝙩𝙨: 𝙈𝙪𝙡𝙩𝙞-𝙖𝙜𝙚𝙣𝙩 𝙖𝙧𝙘𝙝𝙞𝙩𝙚𝙘𝙩𝙪𝙧𝙚𝙨, 𝙍𝘼𝙂 𝙥𝙞𝙥𝙚𝙡𝙞𝙣𝙚𝙨, 𝙘𝙪𝙨𝙩𝙤𝙢 𝙇𝙇𝙈 𝙞𝙣𝙩𝙚𝙜𝙧𝙖𝙩𝙞𝙤𝙣𝙨 Voice Agents: STT/TTS systems with real-time orchestration Automation: n8n workflows, Zapier integrations, custom Python scripts Business Process Automation: CRM integration, Task automation, Workflow optimization Think chatbots that actually help, voice agents that don't sound robotic, and automation that replaces manual busywork. 🔧 Technical Stack Area Technologies Backend Node.js, Nest.js, Ruby on Rails, Python, FastAPI, Frontend React, TypeScript AI/ML LLMs, RAG, Multi-agent systems, Voice AI Automation n8n, Zapier, Custom Python scripts APIs REST, GraphQL Clou .AWS, Azure, GCP, Replit DevOps CI/CD, Microservices, Containerization Twilio For Messaging Build AI Phone Voice Bot (Twilio + OpenAI + ElevenLabs) 📦 Example Projects SaaS Platforms: Full-stack applications with React frontends and Node.js/Python backends AI Voice Agents: Customer support automation with real-time speech processing Why Clients Choose Me: ✔ 100% on-time delivery – Proven track record of delivering projects efficiently ✔ Detail-Oriented Approach – Focus on the last 20% that drives 80% of results ✔ Scalability & Performance – Expertise in cloud-native, microservices, API-driven, and AI/ML-based applications ✔ Full Lifecycle Development – From MVP to enterprise-grade sol Full-Stack Development: ✔ Web & Mobile Apps | SaaS | MVP Development | AI Agents | CMS | AI Bots | Automation Workflows | AI Agent Development | AI Integrations AI & Machine Learning: ✔ AI SaaS Apps | AI Agents | NLP | Data Analytics | Generative AI | OpenAI, Claude, Gemini | LanChain | n8n | AI Agent Development | AI Integrations | TensorFlow | PyTorch | Hugging Face | SageMaker Frontend: Next.js, React.js, Vue.js, Angular js,TypeScript, Tailwind CSS Backend: Node.js, Python,Ruby on Rails Django, Laravel, NestJS, Express.js, FastAPI, GraphQL, Flask Mobile: React Native, Flutter Databases: MySQL, MongoDB, PostgreSQL, Pinecone,Supabase Cloud & DevOps: AWS (Lambda, EC2, S3, Kubernetes), Docker, Nginx, Firebase Hands-on experience using AI-assisted / vibe coding tools (Replit, Cursor, Vercel, AWS, Supabase, etc.) and traditional development workflows. Keywords: AI Developer, AI Engineer, Ruby on Rails AI SaaS Developer, Generative AI Developer, AI Agent Developer, ChatGPT Developer, Claude AI Developer, MCP Developer, Cursor AI Developer, LangChain Developer, LLM Apps Developer, AI Automation Expert, AI Workflow Automation, Custom AI Platforms, AI Integrations, Python AI Developer, Node.js AI Developer, Next.js AI Developer, React AI Developer, AI Chatbot Developer, AI MVP Development, SaaS Developer, Full Stack AI Developer, AI in FinTech, AI in Healthcare, AI Consultant, Ruby on Rails Developer, AI Prototyping Expert, n8n Automation Developer, OpenAI API Developer, Claude API Integrations, TensorFlow Developer, FastAPI AI Developer, Django AI Developer, AI Product Developer, Python Developer, Full Stack Developer ShopifyExpert #Shopify, #Shopify Plus, #Shopify Development, #Shopify App Development, #Shopify Theme Customization, #Liquid, #HTML, #CSS, #JavaScript, #Node.js, #React, #API Integration, #REST API, #GraphQL, #Shopify Flow, #Shopify Speed Optimization #Shopify #ShopifyStoreDesign #ShopifyDeveloper #ShopifyWebsiteDesigner #ShopifyWebsiteDesign #ShopifyDesigner#twilio
Kashif T. has worked .
Alexey C.
$35/hr
100% Job Success
$70K+ earned
Available now
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With over 15 years of hands-on experience in full-stack development, I specialize in building, scaling, and optimizing web and mobile applications using a wide range of modern frameworks and technologies, including Ruby on Rails, Node.js, React, Vue.js, and Angular. As part of the Roobykon Software team, I deliver full-cycle software engineering services—from concept and design to launch, modernization, and continuous improvement. I am passionate about creating robust, scalable, and user-friendly solutions that align with your business goals. My approach follows Agile Software Development methodologies, ensuring transparent communication, iterative progress, and high-quality deliverables. I also bring strong skills in web design, software debugging, and performance optimization to every project. 🏆 Area of expertise: ➤ E‑commerce & Marketplaces – Multi‑vendor platforms, B2B/B2C marketplaces, rental systems, and Sharetribe platforms, Shopify stores (using Liquid, Ruby on Rails, React, Node.js, and WordPress). ➤ Payment gateways, escrow systems, and secure financial applications (built with Ruby, Node.js, PostgreSQL, and MongoDB). ➤ CRM Systems – Tailored customer relationship management platforms (using React, Vue.js, Redux, and MySQL). ➤ Logistics & Transportation – Delivery marketplaces, warehousing, and fleet management (powered by Node.js, Express.js, PostgreSQL, and AWS). ➤ Marketplace Development (B2B, B2C, peer-to-peer, product, service, and rental-based platforms using Sharetribe / and custom-built solutions) ➤ Travel & Tourism – Booking platforms for accommodations, tours, and car/boat rentals (built with React Native, Ruby on Rails, and GraphQL). ➤ Real Estate & Construction – Property listing marketplaces, contractor bidding platforms (using Angular, TypeScript, and MongoDB). ➤ Healthcare & Mental Health – Telemedicine, therapy service platforms (built with React, Node.js, PostgreSQL, and Firebase). ➤ Entertainment & Social Networking – Event booking, ticketing, and social interaction platforms (using Vue.js, jQuery, Bootstrap, and REST APIs). ➤ Industrial (B2B marketplaces for industrial goods and services) ➤ Marketplaces for hospitality services, catering, and restaurant supplies ➤ Marketing & Advertising – Ad placement and influencer marketing platforms (leveraging Python, Django, and MongoDB). ➤ Management (resource management platforms for HR, procurement, and project collaboration) 👉 Technology stack: Frontend: ✔️ JavaScript (ES6+) | TypeScript | React (React.js, ReactJS) | React Native | Vue.js | Angular | Redux | jQuery ✔️ HTML5 | CSS3 | Tailwind CSS | Bootstrap | Liquid | Web Design & Responsive Layouts Backend: ✔️ Ruby | Ruby on Rails | Node.js (NodeJS, Express.js) | Python | PHP | REST API | GraphQL ✔️ Agile Software Development | Software Debugging | Git | Performance Optimization Databases: ✔️ PostgreSQL | MySQL | MongoDB | DynamoDB | Firebase | MSSQL | SQL CMS & E‑commerce: ✔️ WordPress | Shopify | Liquid templating | Sharetribe | Medusa.js Cloud & DevOps: ✔️ AWS (EC2, S3, Lambda) | Digital Ocean | Firebase Hosting | Git version control ⭐ Shopify Services: ➤ Custom Shopify Store Development: from idea to launch, I build Shopify stores that are tailored to your specific needs; ➤ Shopify Store Redesign: I'm ready to give your existing store a fresh, modern look that enhances user experience and boosts conversions; ➤ Theme Customization & Development: whether you need a new unique theme or want to enhance an existing one, I've got you covered; ➤ Website Audit & Bug Troubleshooting: I perform a detailed audit and identify issues efficiently to ensure your store runs smoothly; ➤ Checkout Process Customization in Shopify Plus: I'm ready to tailor the checkout process to fit your unique business needs; ➤ Page Speed Optimization: ensuring fast load times for a better user experience and improved SEO. Why Work With Me? I combine deep technical expertise with a consultative approach to help you choose the right stack and architecture for your project. Whether you need to build a minimum viable product (MVP), modernize a legacy system, or scale an existing platform, I deliver clean, maintainable code and transparent collaboration. Let’s discuss your idea and turn it into a successful digital product!
Roobykon | Digital marketplace development company | Custom web development
Associated with
Roobykon | Digital marketplace development company | Custom web development
$700K+
earned
$135/hr
100% Job Success
$100K+ earned
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Looking to build a profitable business with a highly scalable web application? You’ll need an expert design and development partner. We bring digital products from validation to success and teach you how because we care. It’s time to move beyond simply building features and start designing the right product with the right strategy. When working with me and my team, you’ll get the following benefits: Scalable Solutions We have 20+ years of full stack development experience and are able to provide instant assistance to you. Delivery Speed Our team is focused on the results and tasks you hired us for. Unlike other unreliable freelancers, which tends to have way too many projects, we’re able to deliver results with speed and focus. There’s little to no learning curve and are able to provide advise and guidance to you. Required Knowledge The number one reason you’re looking for a trusted partner here, you need specific help with the right knowledge on building a scalable web application. We have that knowledge with 10+ platforms we’ve built for other clients. Our team can deliver the following full stack web development services: - UI / UX design for pixel perfect dashboards - Ruby on Rails, Python, Golang - Testing: RSpec, Capybara, Cucumber, MiniTest, Teaspoon/Mocha - Frontend: ReactJS, Angular, Vue, Backbone - REST API development - Integrations with many popular applications like Quickbooks, Surveymonkey, Google Docs, Zillow, Zapier, Salesforce, Square, and many more - Hosting: AWS, Rackspace, Heroku, DigitalOcean, Google Cloud Services - DevOps: CircleCI, Ansible, Terraform See what our clients have been saying: - Great job!! Excellent communicator and collaborator. Delivered high-quality output, on-time! If you are looking to get your web platform built the right way, scalable and profitable, you should message me right away so we can setup a free strategy session to figure out what solutions would make sense for you.
Ryan M. has worked .
Anuj T.
$25/hr
97% Job Success
$100K+ earned
Available now
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Over the past 10+ years, I've helped startups, scale-ups, and product teams turn complex ideas into production-grade SaaS platforms — the kind that handle real users, real data, and real growth. My stack is deep, not wide. I specialize in MERN (MongoDB, Express, React, Node.js), Ruby on Rails, and increasingly, AI-integrated applications using OpenAI, Claude, and LangChain. I've architected systems from scratch, scaled legacy codebases, led small engineering teams, and shipped products across FinTech, HealthTech, and E-commerce. What I bring to your project: → SaaS architecture — multi-tenancy, subscription billing (Stripe), role-based access, dashboards → AI product development — LLM integrations, RAG pipelines, agentic workflows, smart automation → Rails expertise — API-only backends, performance tuning, legacy upgrades, background jobs (Sidekiq) → React / Next.js frontends — SSR, performance optimization, component systems → FinTech & HealthTech builds — payment systems, KYC flows, compliance-aware architecture → API design & integrations — REST, GraphQL, Stripe, Twilio, third-party services → DevOps fundamentals — AWS, Docker, CI/CD, database optimization After a decade in this industry, I've learned that the code is only part of the job. I ask the right questions before writing a single line. I push back when a requirement will create technical debt. I write documentation. I think about the engineer who inherits this project after me. If you're building something that needs to scale — not just launch — I'd like to hear about it.
OnGraph Technologies Private Limited
Associated with
OnGraph Technologies Private Limited
$10M+
earned
$45/hr
$500 earned
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I build software that works—whether it's a custom SaaS platform, a responsive web app, or a WordPress plugin tailored to your workflow. Over the past 6+ years, I’ve worked with startups, local businesses, and agencies to turn vague ideas into fully functional tools. From backend systems that automate operations to user-friendly websites that drive real engagement, I focus on clarity, performance, and solving real problems.
Govind U.
$15/hr
100% Job Success
$100K+ earned
Available now
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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.
Startbit IT Solutions Pvt. Ltd.
Associated with
Startbit IT Solutions Pvt. Ltd.
$5M+
earned