🥇 𝐇𝐢𝐠𝐡𝐥𝐲-𝐑𝐚𝐭𝐞𝐝 𝐅𝐫𝐞𝐞𝐥𝐚𝐧𝐜𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 I bring extensive experience as a Full Stack Developer with a strong background in both front-end and back-end development. My expertise spans Golang, React, Next.js, AWS, and Node.js, accumulated over 7 years in the tech industry. I leverage cutting-edge technologies and tools to ensure your website excels in speed, reliability, and user-friendliness. 𝐀𝐫𝐞𝐚𝐬 𝐨𝐟 𝐬𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧 𝐢𝐧𝐜𝐥𝐮𝐝𝐞: Front-end development: React, Next.js Back-end development: Golang, JavaScript, Node.js Infrastructure: Linux, Docker, AWS Databases: SQL, MSSQL, PostgreSQL, MongoDB, AWS DynamoDB, Oracle, Redis AWS services: Lambda, API Gateway, RDS, S3, EC2, ECS, ECR, Cognito, SES, Elastic Beanstalk, EC2 Container Service, SQS, ElasticSearch CMS: Shopify, WordPress, Webflow Proficient with GitHub and project management tools like Jira, ACE, and Slack for effective communication. DevOps: CI/CD using Jenkins, Docker, Kubernetes, etc. 𝐋𝐞𝐭'𝐬 𝐂𝐨𝐧𝐧𝐞𝐜𝐭: Click the "Invite" button to discuss your project's specific requirements and explore how we can collaborate effectively, whether locally or globally.

🚀 Ruby on Rails | ⚙️ Full-Stack Development | 🔗 API Development | ☁️ AWS / Heroku / DevOps | 💾 PostgreSQL / MySQL | 💻 React.js / Vue.js | 🧪 TDD / RSpec I am a Senior Full-Stack Ruby on Rails Engineer with 12+ years of experience building high-performance, scalable, and secure web applications. Having delivered over 13,000 hours of quality work, I’ve helped businesses from startups to enterprises bring their ideas to life through clean architecture, efficient workflows, and modern technologies. My strength lies in developing end-to-end web solutions combining powerful backends, interactive frontends, and reliable cloud infrastructure. Every project I build is focused on performance, scalability, and long-term maintainability. 🔧 What I Deliver ✅ Custom Ruby on Rails Solutions: Scalable, secure, optimized for high performance ✅ Full-Stack Expertise: Seamless integration between frontend and backend systems ✅ API Design & Integrations: RESTful & GraphQL APIs with third-party integrations ✅ Cloud & DevOps: AWS, Heroku, DigitalOcean, CI/CD pipelines ✅ Transparent Collaboration: Clear communication, agile process, timely delivery 🧠 Core Technical Skills Backend: Ruby on Rails, Sinatra, GraphQL, RESTful APIs, WebSockets Frontend: React.js, Vue.js, Tailwind CSS, TypeScript, Stimulus Databases: PostgreSQL, MySQL, Redis, MongoDB Cloud & DevOps: AWS, Heroku, DigitalOcean, Docker, CI/CD Testing: RSpec, Capybara, MiniTest, FactoryBot Version Control & Tools: Git, GitHub, Bitbucket, Jira 🚀 Project Highlights 💼 Built SaaS and enterprise-level Ruby on Rails platforms for global clients 🔗 Developed and optimized API-driven systems powering real-time web applications 💬 Implemented real-time chat & notification systems using ActionCable and WebSockets 🔐 Integrated Stripe, PayPal, custom payment gateways for secure transactions ⚙️ Automated CI/CD pipelines ensuring smooth zero-downtime deployments 💼 Industries Served 💻 SaaS Platforms | 🏢 Custom Web Solutions | 💬 Real-Time Apps | 💰 FinTech | 🏥 Healthcare | 🧠 EdTech | 📰 CMS & Content Platforms 📩 Looking for a reliable Ruby on Rails expert to bring your idea to life? Let’s collaborate to build powerful, scalable digital products that drive your business forward. #RubyOnRails #FullStackDeveloper #RoRDeveloper #APIIntegration #ReactJS #VueJS #DevOps #AWS #Heroku #PostgreSQL #TDD #SaaSDevelopment

🚀 TOP-RATED SHOPIFY PLUS EXPERT & FULL-STACK DEVELOPER ✅ 100% Client Satisfaction | Money-Back Guarantee | 5-Star Rated Transform Your Vision into a High-Performing Website Are you searching for a developer who combines technical brilliance with relentless dedication? I specialize in crafting lightning-fast Shopify stores and dynamic web apps with Laravel, Vue.js & NuxtJS—all backed by a risk-free money-back promise. 🔥 Why Clients Trust Me: 🛠️ Shopify Plus Certified: Build scalable stores that convert, from dropshipping to enterprise. 💻 Full-Stack Mastery: Laravel, Vue.js, React, Flutter & Shopify API integrations. 🚀 Beyond Code: SEO-optimized, visually stunning designs + Adobe Creative Suite expertise. ⭐ Guaranteed Results: "Change your mind? No problem. Your money is safe with my 100% refund policy." ❤️ Client Love: "Ahmed debugged complex code in hours—a rare blend of skill and hustle!" "Hired him twice! A creative problem-solver who overdelivers every time." "The best investment for my SaaS app. He’s now my go-to developer." ✨ What I Deliver: Shopify Power: Custom themes, app integrations, speed optimization, migration. Web & Mobile Apps: Robust Laravel backends + sleek Vue.js/NuxtJS frontends. Pixel-Perfect Design: Adobe Illustrator/Photoshop for stunning UX/UI. Growth Focused: SEO-ready code, conversion-boosting strategies. 📞 Let’s Build Your Success Story! Free 30-Min Strategy Call to discuss your project. No upfront costs. No vague promises—just transparency, expertise, and results.

I am a Senior Full Stack AI and Automation Engineer with 7+ years of experience building production ready AI features, full stack web applications, ERP and CRM integrations, and cross platform mobile solutions. I help businesses eliminate manual work, reduce latency, and scale intelligently using modern AI and automation frameworks. What I Build and Integrate: Full Stack Web: React, Next.js, Node.js, TypeScript, Tailwind CSS, Django, FastAPI, .NET Core AI and Machine Learning: PyTorch, TensorFlow, LangChain, LangGraph, BERT, LSTM, DistilBERT, Hugging Face, LlamaIndex, Qdrant, Pinecone Automation and Agents: Autonomous AI agents, RAG pipelines, GPT-4, real time negotiation bots, invoice processing CNNs CRM and ERP: HubSpot, Salesforce, Odoo, SAP, custom Node.js middleware, webhooks, real time sync Cloud and DevOps: Docker, AWS including Elastic Beanstalk and ECS, CI/CD, blue green deployments, PostgreSQL, Redis Recent Impact Highlights At Active data, I built a LangGraph and GPT-4 accounting assistant that categorizes 50,000+ monthly seller transactions into IRS compliant tax buckets, reducing manual review effort by 73%. I integrated SAP ERP with HubSpot CRM using Node.js middleware, cutting the order to cash cycle from 5 days to 36 hours. I deployed a RAG based support agent using LlamaIndex and Qdrant that resolves 34% of Level 1 tickets autonomously while lowering average handle time from 8 minutes to 90 seconds. I fine tuned a BERT based fraud detection system achieving 96% precision and reducing false positive alerts by 52%. At ArcBest, I led the integration of Odoo inventory modules with a PyTorch LSTM demand forecasting model, reducing stockouts by 28% across 3 regional warehouses. I developed an iOS companion app using Swift and SwiftUI for warehouse staff, reducing order pick time by 22% through real time inventory lookup and barcode scanning. I am a clear communicator who translates complex AI and ML concepts into measurable business outcomes. Whether you need a custom AI agent, a full stack MVP, seamless HubSpot, Salesforce, or Odoo automation, or a React Native mobile app, I deliver clean, scalable, and maintainable code on time.

As a .NET developer, I am a skilled software developer who specializes in creating applications using the Microsoft .NET Core. I have a strong understanding of programming concepts and are proficient in languages like C#. My primary role is to design, develop, and maintain applications using the .NET framework. This involves working with various tools and technologies to build desktop, web that run on Windows operating systems and other platforms. I am also adept at working with different software development methodologies such as Agile or Scrum and are able to work collaboratively with other team members, including project managers, designers, and other developers. 🔥 What I specialize in: C# / VB.NET Desktop Application Development (WinForms, DevExpress) SQL Server performance tuning & query optimization ERP & Accounting Systems (Inventory, GST, Reporting) QuickBooks Desktop Integration (QB SDK, automation, sync) Fixing slow applications caused by database or code issues Excel/VBA → .NET Application or DLL Conversion API integrations & system synchronization Auto-updaters (Application + Database migration) Industrial systems (Serial Port, Bluetooth, real-time control) 💡 Proven real-world experience: ✔ Inventory & Billing Systems with DevExpress ✔ Custom CRM & HRM Solutions (Multi-User) ✔ Financial Dashboards with Real-Time Charts ✔ Booking & Scheduling Tools with Reminders ✔ Secure Login & Licensing Applications ✔ ERP system for diamond industry (high-volume transactions) ✔ Optimized SQL performance for business-critical systems ✔ QuickBooks automated order & invoice sync ✔ Bulk email automation system (Google API integration) ✔ Excel VBA converted to scalable VB.NET DLL ✔ API-based auto-update system with database upgrades ✅ Technical Expertise ✔ Languages & Frameworks: C#.NET, VB.NET, WinForms, Desktop Application, .NET Framework, .NET Core ✔ UI Frameworks: DevExpress, Custom Controls ✔ Backend Logic: Complex Business Rules, Data Processing, API Integrations ✔ Databases: SQL Server (Advanced) - [Stored Procedures, Functions, Triggers, Query Optimization, Performance Tuning, Indexing & Execution Plans], Oracle Database, MS Access, Database Design & Architecture, Data Migration & Integration ✔ Extras: Reporting, Printing, Multi-language Apps, Licensing Systems, Crystal Reports / RDLC Reporting, Git Version Control ⚡ Why clients hire me: ✔ 14+ years of strong industry experience ✔ Expert in C#, .NET, and enterprise application development ✔ Strong database optimization and performance tuning skills ✔ Experience in SQL Server, Oracle, and MS Access ✔ Strong experience with real-world business systems (ERP) ✔ I quickly identify performance bottlenecks and fix them ✔ Focus on speed, stability, and long-term scalability

🌟 8+ years of SQA experience, specializing in Manual and Automation testing. 🌟 Implemented Business Automation using Zapier, MakeDotCom and N8N. (Make Certified 🏅) 🌟 Certified in Google Project Management. 🌟 Managed multiple roles in startups, including project management and customer support. 🌟 𝐀𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 𝐢𝐧 𝐄𝐒𝐓 𝐡𝐨𝐮𝐫𝐬 and flexible to adjust as per client’s needs. 🌟 Deadline-driven, reliable, and accountable from start to delivery. 🌟 Strong communication, leadership, and team management skills through diverse experiences. 🌟 Industries like SaaS, Healthcare, Fintech, Ed-Tech, E-Commerce, Legal, and Automotive. I’m a Software QA Engineer in manual and automation testing, specializing in Cypress with JavaScript. My skills in multiple programming languages and attention to detail ensure high-quality software. I also have experience in business automation using tools like Zapier, and N8N. ------------------------------------------------------- ✅ 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐈 𝐎𝐟𝐟𝐞𝐫 & 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗣𝗿𝗼𝗳𝗶𝗰𝗶𝗲𝗻𝗰𝘆 ------------------------------------------------------- ▣ Manual & Automated Testing – I ensure your web, mobile, and API applications are tested thoroughly using Cypress, Selenium, and Appium. From regression to smoke and UAT, I help you launch confidently with fewer production bugs. ▣ Test Management: With extensive experience, I craft comprehensive test cases and execute them meticulously using Test Management Tools like TestRail, Test Link, and Xray-Jira. ▣ Bug Reporting: I possess the ability to deliver detailed bug reports enriched with steps, videos, and snapshots, leveraging tools like ScreenCast, Loom, and TechSmith Screen Recorder. ▣ API and Web Services Testing: Proficient in testing APIs and web services using tools like Postman, I guarantee robust functionality and performance. ▣ Device and Browser Diversity: Equipped with a range of devices and browsers, including laptops/computers with varying specifications and mobile devices spanning iOS and Android platforms, I ensure comprehensive testing coverage. ▣ Automation World Expertise A breadth of experience with automation tools, frameworks, CI/CD platforms, programming languages, and business automation tools like Zapier, Make, N8N etc ----------- ✅ 𝗧𝗼𝗼𝗹𝘀 ----------- ▣ Bug Tracking and Reporting Tools: Jira, Bugzilla, ClickUp, Mentis, Trello, Assembla, Unfuddle, Asana, OrangeScrum. ▣ Test Management Tools: TestRail, Test Link, Google Docs, Testpad, Xray-Jira. ▣ Screen Recording Tools: Loom (Online), TechSmith screen recorder (Online), ZD Screen recorder (Offline), Teams (Offline - During Video call), Zoom (Offline - During Video calls). ▣ Screenshot Capture Tools: TechSmith Capture, LightShot, Loom. ▣ Browsers I Use for Web App Testing: Google Chrome, Mozilla, Safari, Opera, Microsoft Edge. ---------------------------------- ✅ My Available QA Devices ---------------------------------- I test across a diverse set of devices and platforms, ensuring accurate validation on Android, iOS, Windows, macOS, and iPadOS. Laptops & Computers: 💻 MacBook Pro (M4, M1 – 16-inch, 2020, 2017) 💻 HP EliteBook (840 G5/G7), HP Victus 💻 Dell Latitude Series (5501, 5490, 5420, 5401, 7410, 3420), Dell Vostro 💻 Acer (x2), Lenovo Legion Tab 𝐈𝐟 𝐲𝐨𝐮’𝐫𝐞 𝐬𝐞𝐫𝐢𝐨𝐮𝐬 𝐚𝐛𝐨𝐮𝐭 𝐫𝐞𝐬𝐮𝐥𝐭𝐬, 𝐦𝐞𝐬𝐬𝐚𝐠𝐞 𝐦𝐞 𝐧𝐨𝐰. 𝐈 𝐫𝐞𝐬𝐩𝐨𝐧𝐝 𝐟𝐚𝐬𝐭 𝐚𝐧𝐝 𝐝𝐞𝐥𝐢𝐯𝐞𝐫 𝐟𝐚𝐬𝐭𝐞𝐫. -------------------------------------------------------------------------------------------------------------------- Web Testing, Software QA, Mobile App Testing, Functional Testing, Manual Testing, Software Testing, Automated Testing, QA Testing, API Testing, Test Automation Framework, Playwright, Test Automation, Test Design, Test Execution, Test Management, Test Plan, Test Case Design, Appium, QA Automation, QA Engineer, QA Software & Testing Tools, Mobile QA, Bug Reports, Bug Tracking & Reports, End-to-End Testing, Compatibility Testing, Desktop Application Testing, Browser Automation, Postman, Performance Testing, Quality Control, User Acceptance Testing, Usability Testing, Regression Testing, Cross-Browser Testing, Jira, UI/UX Testing, Quality Assurance, Payment Gateway Testing, iOS Testing, Android Testing, User Testing, Manual QA, AI Testing, Chatbot Testing, Voice AI Testing, NLP Testing, Conversational AI, AI Model Evaluation, Reverse Testing, PWA Testing, Progressive Web App Validation, AI Apps Testing, Progressive Web Application, OpenAI, AI Apps, ChatGPT, Sora, Gemini, Generative AI, Chatbot, DeepEval, Promptfoo, Claude, Codex, Cursor, Selenium, Cypress, CI/CD.

Are you looking at creating a new Wordpress site or fixing/updating an existing site? Then I'm your guy. I am highly experienced in WooCommerce, plugins, multiple frameworks (Divi, Elementor, Beaver Buiilder), API integration, theme customisation and backend code editing and I am always up for a challenge. I have worked with over 100 clients over the years on blogs, promotional sites and e-commerce and have a large portfolio available on request. I can also handle integrations with 3rd party services such as Google Maps, YouTube, Mailchimp, etc. How can I help you? Don't take my word for it. Below is feedback from some of my clients: "I've had a great experience working with Dino - I'm so happy to have found him, and will definitely hire him again the future. He is the ultimate experienced professional. You couldn't ask for better. Fast communication, knowledgeable, reliable, and gets the job done to a high standard on time. Nothing is too much trouble for Dino, and he makes you feel like the project matters to him. I would wholeheartedly recommend Dino to anyone looking for his expertise. 10 stars out of 5!" - Coby Langford - sootheclinic.com "Dino was an absolute pleasure to work with. I have used Upwork for some time now and it's not always easy to find someone at short notice to help with urgent tasks as a busy professional. Dino was the best thing that happened to me this month. He optimised my website on desktop and mobile to perfection without any complaints. I am very happy with Dino's work and extremely grateful. I'll certainly be working with him again. Highly highly recommend. Thanks again Dino, you're a legend mate!" - Nick Bagga - The SME Strategist

I build full-stack web applications that businesses rely on daily - clean React front end's, robust .NET 7 APIs, real-time features, and payment systems that actually work in production. I'm a Senior Software Developer with 8+ years of experience, currently working as a Full Stack Developer at a UK-based software company where I ship production-grade systems used by real clients - not prototypes. What I typically build: - Booking and scheduling platforms with availability management, calendar dashboards, and status workflows - Stripe payment integrations, PaymentIntents, deposits, partial payments, promo codes, and webhook handling - Real-time dashboards using SignalR - live data, no page refresh required - Third-party API integrations - payment gateways, OTAs, government APIs (HMRC, DVLA), CRMs, and automation tools like N8n and Zapier - Embeddable widgets for WordPress and other CMS platforms - Dockerised backends with PostgreSQL, clean deployment pipelines, and long-term maintainability in mind My stack: .NET 7, C#, Entity Framework Core, React, REST APIs, Stripe, SignalR, Docker, PostgreSQL, Azure, AWS. I don't disappear after delivery. I write code that the next developer, or future me, can actually read, extend, and maintain. If you're building something for the long term, that matters. Based in Eastbourne, UK. Available across European and US Eastern time zones. Happy to jump on a call before we start.

Hi, I’m Tolu, a senior software engineer with over 6 years of hands-on experience building robust, scalable web applications and tools across a range of industries, from media and e-commerce to AI and data management & analytics. I specialize in JavaScript/TypeScript development using React (Next.js, Gatsby, React Native, Svelte) and Node.js (Express, NestJS) on the backend, while also bringing in Python and FastAPI where needed for data-intensive and AI-powered services. I’ve worked with both startups and large engineering teams to ship high-impact features, platforms, and internal tools. ⸻ 🔧 Tech Stack & Skills • Frontend: React, Next.js, Gatsby, Svelte, React Native, Tailwind, Chakra UI, Material UI, Ant D • Backend: Node.js, Express, NestJS, FastAPI, REST & GraphQL APIs • Languages: JavaScript, TypeScript, Python • Databases: PostgreSQL, MySQL, MongoDB, Firestore • DevOps & CI/CD: GitHub Actions, CircleCI, AWS Amplify, Netlify, Heroku, Vercel, Azure devils • Testing & QA: Cypress, Jest, Vitest, Storybook, Puppeteer, Playwright • Tools: Git, Docker, Google cloud, AWS, Agile/Scrum environments ⸻ 💼 Project Highlights • Led a team of 7 engineers to design and deliver a video personalization platform, handling everything from real-time rendering pipelines to dashboard UI and user management tools. • Worked in a cross-functional team to build a data management suite for internal and external reporting, featuring rich admin tools, complex filtering, and data syncing across APIs. • Contributed to the development of smart, AI-powered dashboards and autonomous agents, integrating LLMs and data pipelines to streamline business operations and insights. • Delivered production-grade applications used by large user bases with a strong emphasis on performance, security, and maintainability. ⸻ 🚀 Why Work With Me • I’ve built for both lean startup teams and enterprise-grade systems. I understand how to balance speed and scale. • I communicate clearly and collaborate well with designers, PMs, and other engineers. • I’m obsessed with delivering clean code, pixel-perfect UI, and meaningful outcomes for users and businesses. • I’m constantly learning and unafraid to take ownership of complex problems whether it’s architecting a new feature or improving an existing workflow. ⸻ I’m open to short-term contracts, long-term roles, and full-time opportunities. Whether you’re launching a product or scaling an existing platform, I’m ready to bring value from day one. Let’s build something great. Send me a message and let’s get started.

I'm a versatile mobile and web developer with a strong focus on Android app and WordPress site creation, customization, and ongoing management. Whether it's building custom themes, optimizing performance, fixing bugs, or adding new functionality — I’ve got you covered. I also have hands-on experience in broader programming tasks, ranging from backend development in PHP to projects in C, C++, C#, and Java. I'm comfortable working with APIs, databases, and custom scripts to build tailored solutions. What sets me apart is my problem-solving mindset and ability to dive into both new and legacy codebases. I enjoy turning complex challenges into clean, efficient solutions. If you're looking for someone who understands both the frontend and backend, and can bring flexibility and technical depth to your project — let’s talk.