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CTO, Remote CTO, Fractional CTO, Senior Developer, Vibe Code Expert, Project Rescue Expert, AI Engineer A veteran in the field of technology with over 40 years of experience as a programmer and 28 years of professional experience as a web development expert. Holds professional certificates from MIT and CompTIA and has a diverse background working for Inc. 500 companies, Fortune 500 companies, small businesses and a number of startup companies. An expert in PHP, MySQL, Javascript, HTML, CSS as well as Laravel, VueJS, Tailwind and other internet technologies. As a full stack developer I can help you find your way around any web development project. I can work as a developer on a team, or I can work as a lead developer or senior developer or even as your CTO with my over two decades of business management experience. I started programming computers when I was eight years old, and, over the last 30 years, I've realized that I am, well, a programmer. That said, I do have the "people skills" necessary to remain competitive in the world of programming. When needed, I'm a "sit in the corner and program til the wee hours of the morning geek"... otherwise, I'm just a "fun to talk to, easy to get along with normal person". I have always enjoyed the challenge of creating interactive software. With the birth of the modern Internet, I found a new love in web development and web programming. I face every new piece of code as a fresh new beginning... a chance to do it even better, while, still using "what works" from the past. My objective, here at UpWork, it to provide potential employers with my expertise in the field of website design, development, and programming.

I build web scrapers that handle bot detection and scale. Also: FastAPI backends, Discord bots, and Python automation. I've built scrapers processing 10k+ records, various API integrations for startups, and automated data entry tasks saving clients money and manpower. Experience in fields like sports betting, finance, and medical. I handle rate limits, dynamically loaded content, and uniform data delivery. What do you need built?

US-Based Principal Engineer | Zero Outsourcing | 25 Years in the Trenches I provide the technical certainty that only comes from longevity. With over 100 projects completed on Upwork and experience dating back to the earliest days of the web, I build robust backend architecture that works the first time. Current Featured Solution: Advanced Jobber & HubSpot Sync I recently developed a custom Python listener & PHp-based integration for the service industry that automates: Real-time Client Sync: (Create/Update) between HubSpot and Jobber. Job Lifecycle Automation: (Create/Update) via high-performance webhooks. If Zapier or native integrations are failing your workflow, I can build you a custom, resilient bridge. Core Expertise: Python & FastAPI: Modern, asynchronous, and strictly typed APIs. API Integration & ETL: REST, GraphQL, and legacy SOAP services. PHP & Backend Systems: Custom architecture, Laravel, and database optimization. Data Architecture: Custom SQL design and complex JSON transformations. Why Work With Me: You are hiring a Subject Matter Expert, not a junior developer. I do not outsource, I do not subcontract, and I do not require hand-holding. I translate business requirements into production-ready code that is documented and resilient.

Backend engineer focused on API integrations, workflow automation, and production-safe systems. Recent work: • Fixed a failing CRM → HRIS pipeline (Blue → Rippling) by resolving mapping issues, duplicate records, and unsafe update logic, restoring reliable synchronization • Converted a manual Jupyter Notebook workflow into a structured GitHub Actions pipeline using Python and API integrations for data extraction, filtering, enrichment, and reviewable output generation • Built and maintain a distributed FastAPI trading backend with broker integrations, real-time alerts, scheduled execution workflows, and 99%+ uptime I work best in systems where reliability matters — backend services, ETL pipelines, API integrations, and automation workflows that need to run predictably in production. I build systems from scratch and also stabilize existing systems when they break. That includes backend architecture, data flows, database design, async processing, and production-safe deployment, as well as debugging undocumented systems and fixing issues that are already costing time and money. While my core focus is backend, I’m also comfortable building clean, functional frontends (React / Next.js) for dashboards, workflows, and internal tools when needed. My stack is primarily Python, FastAPI, TypeScript, PostgreSQL, Redis, and REST APIs, with experience in GitHub Actions, Docker, cloud deployments, and distributed systems. I’ve also worked with PineScript and MQL5 (C++-style trading automation language) in trading systems. I focus on practical engineering: clear logic, strong observability, and modular, well-encapsulated design so systems are easier to debug, extend, and operate reliably. If you need backend work that has to be reliable — not just “working for now” — I’d be glad to help.

There's no such thing as "impossible integration". I solve the integrations other developers give up on - from phone door openers to Swiss and American banks, from 1974's nacha technologies to artificial intelligence, crypto and blockchain. I have 22+ years of overall 🌐 Web Development experience, including 18+ years with ⚙️ Custom PHP, 16+ years with 📝 WordPress and 🛠️ API Integration, and 12+ years with 🛍️ eCommerce, along with other related technologies and programming languages. Located in Washington State, I have no problem working 30-40+ hours during American time. I am self-controlled, self-organized, flexible and a fast learner - I adapt to whatever your project requires. ==================================== ⚙️ CUSTOM SCRIPTING & AUTOMATION Cron-based processing, data pipelines, CSV/blockchain reconciliation tools, web scraping, IMAP email automation, analytics dashboards (Chart.js, DataTables), Cloudflare Workers, Twilio SMS / A2P 10DLC. If you do it by hand twice a week, I'll script it to run itself - exactly on your schedule. ==================================== 🛠️ COMPLEX & CUSTOM API INTEGRATIONS REST, SOAP, GraphQL, webhooks, JSON/XML, OAuth2, HMAC signatures, token refresh, rate limits, retries - the parts that break in production. From one-way pushes to full two-way synchronization, real-time or batch. Strong focus on authentication, error handling and personal data security. Pipelines processing 1,200,000+ records at a time with automatic updates down to the minute. ==================================== 💳 PAYMENT SYSTEMS DEVELOPMENT Payment gateways and checkout flows: Stripe, PayPal, Square, First Data / Fiserv, Plaid, Seamless Chex, high-risk merchant gateways, subscription billing, ACH / NACHA files, webhook and chargeback handling, WooCommerce / WHMCS / Shopify gateway plugins. Crypto payments: USDC / PYUSD / stablecoin payout systems, multi-chain (Ethereum, Polygon, BSC), Web3, Coinbase, NowPayments, Etherscan, Tatum, on-chain reconciliation. ==================================== Some API integrations I have experience with: Ahrefs API, Amazon API Gateway, Amazon AWS API, Amazon Lambda API, Amazon PA API, Amazon S3 API, Ankr API, Bank of America API, BigCommerce API, Brevo API, Bright Data API, ChatGPT API, Cloudflare API, Coinbase API, Detroit Trading API, Dukascopy API, Dynadot API, eBay Product API, Envato API, Ethereum API, Etherscan API, First Data API, Fiserv API, GoDaddy API, Google Places API, HubSpot API, Jobber API, Lead Prosper API, MaxMind API, Meta Marketing API, Modern Dropship API, NameSilo API, NowPayments API, OpenAI API, PayPal API, Plaid API, Polygon API, Polygon Scan API, Relograde API, RiskPay API, Round Sky API, Samsara API, Seamless Chex API, SendGrid API, Shopify API, Slack API, Square API, Stripe API, Supabase API, Tatum API, Thumbtack API, Trulia API, Twilio API, Web3 API, WhatsApp Cloud API, WooCommerce API, Zillow API, and more. ==================================== There's a reason for my Job Success Score: I get it right the first time. If your last developer said it can't be done, send me the docs. Every automation I build saves you time and money from day one.

⭐️ Top Rated Plus Freelancer. ⭐️ 100% Job Success. ⭐️ 2000+ hours. ⭐️ Full-Stack Software Engineer with experience building scalable applications and automating processes to save time, cut costs, and boost revenue. Do you have repetitive tasks stealing valuable time from your team? Are you juggling disconnected systems and missing out on efficiency? Or maybe you need a custom app to unlock new revenue streams and scale your business? I specialize in building web, mobile, and desktop applications, as well as automating business processes to help you: ✅ Save thousands of hours by eliminating manual tasks. ✅ Cut expenses through optimized workflows and scalable solutions. ✅ Increase revenue with tailored software that drives efficiency and enables growth. Dont believe me? Here is what my clients are saying about me: "Tahir was fantastic. Very easy to work with, communicate with, and understood the business and the project very quickly. Definitely will work with him again in the future." "Quick to implement, tests his code, final product exceeded expectations. Great with communication and follow-ups." "He was amazing. Great communication and completed the work early and under budget! Thank you!" Why should you choose Me? Results-Oriented: I've saved clients thousands of hours and six figures in expenses by automating repetitive tasks and optimizing their systems. Revenue Growth: I build software that enables new revenue opportunities and streamlines operations for higher profitability. Top-Tier Quality: Clean, maintainable code built to industry-leading standards ensures long-term value. Strong Communication: Always accessible, with a typical response time of under 30 minutes. Broad Experience: Proven success across industries including hospitality, government, and e-commerce. My Expertise and skills Includes: ✅ Full-stack development using Javascript, Python & Golang ✅ Backend development using Node.js, Python, Golang & Rust ✅ Frontend development with frameworks like React.js, Vue.js, & Svelte ✅ Cloud & Devops on AWS or Google Cloud using Docker/Kubernetes ✅ Database development with SQL/NoSQL databased like PostgresSQL & MongoDB ✅ API development, Integration and automation with Zapier and custom sccripts ✅ AI/Machine Learning, ChatGPT & LLM development 💬 Let’s Work Together Whether you need a web application, mobile app, or system integration to automate your business, I can help. Let’s discuss how I can save you time, reduce costs, and build solutions to grow your revenue. All Skills Development: Javascript, Golang, Python, Rust Frameworks: React/React Native, Vue, Svelte, Node, Bun, Express, Flask, Django Databases: PostgreSQL, MongoDB, MySql, Redis API: Rest, GraphQL, Zapier Cloud Platforms: Amazon Web Services (AWS) and Google Cloud (GCP) Deployment: Docker, Kubernetes, Gitlab, Jenkins Architecture: Distributed Systems, Microservices