Hire the Best Fintech Software Engineers

40+ Hours Available Per Week One bug can break trust, ruin experience, and kill release confidence. From startups to Fortune 500s, I design AI-powered QA frameworks that catch bugs before code ships and validate AI systems for reliability. With 7+ years, 13K+ Upwork hours, and a Top 3% rating in QA talent, I deliver bug-free web, mobile, API, and blockchain platforms on time. ━━━━━━━━━━━━━━━━━━━━━━━━ 𝗪𝗵𝗼 𝗜 𝗛𝗲𝗹𝗽 & 𝗪𝗵𝗮𝘁 𝗜 𝗦𝗼𝗹𝘃𝗲 ━━━━━━━━━━━━━━━━━━━━━━━━ I partner with: ‣ SaaS & FinTech founders scaling without post-launch fire drills ‣ Blockchain & trading platform owners needing transaction accuracy and security validation ‣ E-commerce store operators preventing revenue leakage from broken checkout flows ‣ AI-first product teams requiring LLM validation, hallucination testing, and prompt behavior verification ━━━━━━━━━━━━━━ 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 ━━━━━━━━━━━━━━ AI-Powered QA Automation Testing: Selenium, Cypress, Playwright, Appium, Katalon Full-Stack Testing Coverage: ‣ Functional & Manual Testing: Regression, usability, exploratory, edge case validation ‣ API & Backend Testing; Postman, Cypress API, RestAssured for data integrity ‣ Performance & Security: JMeter for load testing, BurpSuite for vulnerability scanning ‣ Cross-Platform Validation: iOS (iPhone 16 Pro Max down to iPhone XR), Android (Samsung/Pixel), Mac & Windows environments with 8+ external displays ‣ Accessibility Audits: WCAG 2.2 AA compliance for inclusive user experiences Version 2.0 Specialization: AI Model & LLM Validation (Different from general QA) ‣ Chatbot & AI Assistant Testing: Response relevance, contextual memory, and prompt hallucination detection ‣ LLM Integration Validation: API triggers, data flow accuracy, and third-party tool connectivity ‣ AI Agent & Portal Testing: Permission logic, navigation, output consistency, and fallback reliability ‣ AI Risk Mitigation: Prompt injection exposure, guardrail bypass detection, and sensitive data leakage prevention ━━━━━━━━━━━━━━━━━━━━ 𝗣𝗿𝗼𝗼𝗳 & 𝗧𝗿𝘂𝘀𝘁 𝗦𝗶𝗴𝗻𝗮𝗹𝘀 ━━━━━━━━━━━━━━━━━━━━ I've delivered multi-layer quality assurance for: ‣ FinTech & Crypto platforms requiring payment gateway verification and trading engine accuracy ‣ Voice AI & NLP products validating speech-to-text and semantic response consistency ‣ Enterprise dashboards & portals with complex permission matrix verification ━━━━━━━━━━━━━━━━━━━━ 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗣𝗿𝗼𝗳𝗶𝗰𝗶𝗲𝗻𝗰𝘆 ━━━━━━━━━━━━━━━━━━━━ ‣ Languages: JavaScript, TypeScript, Python, Java, C# ‣ CI/CD Integration: Jenkins, GitHub Actions, GitLab CI, Azure DevOps, Bitbucket ‣ Reporting: Screenshot + video-enriched bug documentation with step-by-step reproduction steps ━━━━━━━━━━━━━━━━ 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲? ━━━━━━━━━━━━━━━━ ‣ Proven expertise in Manual QA testing ‣ Comprehensive experience across web and mobile platforms ‣ Skilled in test documentation, ensuring a structured and repeatable testing process ‣ Ability to identify critical defects and edge cases ‣ Adaptable to both Agile and Waterfall methodologies ‣ Flexible work hours to meet your project needs ‣ Expert in crawling websites to ensure flawless functionality and SEO perfection ━━━━━━━━━━━━━━━━━━━ 𝗪𝗵𝘆 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲? ━━━━━━━━━━━━━━━━━━━ You don't get a checklist. You get a QA partner who thinks like a user, automates like an engineer, and obsesses over release confidence. Let's catch the bug before your customers do. Invite me to your next sprint. I respond within 15 minutes. ━━━━━━ 𝐒𝐤𝐢𝐥𝐥𝐬: ━━━━━━ QA Testing . Manual Testing . Automated Testing . Software Testing . Mobile App Testing . Software QA . Functional Testing . Web Testing . Usability Testing . Bug Reports . Bug Tracking & Reports . Test Case Design . Quality Assurance . QA Engineering . End-to-End Testing . API Testing . Test Automation . Test Development . Regression Testing . Cross-Browser Testing . UI/UX Testing . Payment Gateway Testing . iOS Testing . Android Testing . Test Plan . User Testing . Manual QA . AI Testing . Chatbot Testing . Voice AI Testing . NLP Testing . Mobile App QA . Conversational AI . AI Model Evaluation . Reverse Testing . PWA Testing . Progressive Web App Validation . AI Apps Testing . Progressive Web Application . Generative AI . AI Chatbot Testing . AI Bot Testing . Performance Testing . Cypress . Selenium . Jira . Playwright . Appium . Postman . OpenAI . ChatGPT . Sora . Gemini . Test Automation Framework . LLM Prompt Engineering . Blockchain . CI/CD . JavaScript . Python . iOS . Android . Agile Project Management

🚀 Senior QA Engineer | Manual Testing | Mobile App Testing | Web Testing | Test Automation I help companies release software with confidence by finding critical issues before their users do. With 10+ years of experience in Software Quality Assurance, I have tested over 100 applications across Mobile, Web, SaaS, AI, FinTech, Blockchain, Healthcare, E-commerce, CRM, ERP, and Enterprise platforms. My goal is simple: deliver reliable, stable, and user-friendly products through thorough testing and detailed quality analysis. 𝗖𝗢𝗥𝗘 𝗤𝗔 𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦 • Manual Testing • Functional Testing • Regression Testing • Exploratory Testing • User Acceptance Testing (UAT) • Mobile App Testing (iOS & Android) • Web Application Testing • Cross-Browser Testing • Cross-Platform Testing • API Testing • Smoke & Sanity Testing • Compatibility Testing • Performance Testing • Automation Testing • Test Planning & Strategy • Test Case Design & Execution • Bug Reporting & Defect Tracking 𝗧𝗘𝗖𝗛𝗡𝗢𝗟𝗢𝗚𝗜𝗘𝗦 & 𝗧𝗢𝗢𝗟𝗦 Selenium • Appium • Postman Jira • Linear • Trello • ClickUp • Asana • Monday • Notion Agile • Scrum • SDLC • STLC 𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗜𝗘𝗦 • SaaS • Artificial Intelligence (AI) • Blockchain & Web3 • FinTech • Healthcare • E-commerce • Education Technology • Travel & Hospitality • CRM & ERP Solutions 𝗥𝗘𝗔𝗟 𝗗𝗘𝗩𝗜𝗖𝗘 𝗧𝗘𝗦𝗧𝗜𝗡𝗚 I maintain a large collection of real Android, iOS, Windows, and macOS devices, allowing me to validate applications in real-world environments instead of relying solely on simulators and emulators. 𝗪𝗛𝗔𝗧 𝗬𝗢𝗨 𝗖𝗔𝗡 𝗘𝗫𝗣𝗘𝗖𝗧 ✓ Detailed and actionable bug reports ✓ Clear communication throughout the project ✓ Thorough exploratory testing ✓ Fast turnaround times ✓ Reliable regression coverage ✓ Quality-focused release validation ✓ Strong attention to user experience and product stability Whether you need a QA partner for a startup MVP, a growing SaaS platform, a mobile application, an AI product, or an enterprise system, I can help ensure your software meets the highest quality standards. Let's build software that users trust and enjoy using.

𝐏𝐫𝐨𝐝𝐮𝐜𝐭 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 | 𝐒𝐚𝐚𝐒, 𝐅𝐢𝐧𝐓𝐞𝐜𝐡, 𝐄𝐝𝐓𝐞𝐜𝐡 & 𝐀𝐈 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 As a 𝐏𝐫𝐨𝐝𝐮𝐜𝐭 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫, I help startups and growing businesses build scalable SaaS platforms, FinTech applications, EdTech solutions, AI-powered software, and web & mobile applications. From MVPs to production-ready web and mobile products, I focus on creating secure, high-performance solutions using React, Next.js, Node.js, Python, React Native, Flutter, Supabase, PostgreSQL, and AWS. 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: • SaaS & MVP Development • Web & Mobile App Development • EdTech Platforms & Learning Management Systems (LMS) • Application Maintenance & Technical Support (Web & Mobile) • FinTech Applications • AI Integrations & Automation • OpenAI, AI Agents & Python Development • Full Stack Development (React, Next.js, Node.js) • Mobile Apps (React Native & Flutter) • Payment Gateway & API Integrations • Supabase, PostgreSQL & AWS Why work with me? • Product-focused mindset • Clean and scalable code • Strong communication • Reliable delivery If you're looking for a development partner who understands both technology and business goals, let's discuss how I can help build and scale your next web or mobile product.

Principal Full Stack AI Engineer with 10+ years shipping production AI Agents and LLM systems on OpenAI, Anthropic Claude, and Llama. OpenClaw specialist building custom skills, plugins, multi-channel gateway deployments. I've helped startups raise $20M+ turning prototypes into platforms that scale to millions. If you're a founder, CTO, or product lead tackling a serious build, this is for you. What I Really Do (and Why Teams Bring Me On) Most folks reach out after their MVP buckles under real traffic, their last dev left behind spaghetti code, AI features flop in production, or the backend just can't keep up with growth. I've been there, fixed it all. What I focus on: - AI-driven SaaS (Machine Learning ML, LLMs, chatbots, voice AI, smart automations, OpenAI , Anthropic, Meta Llama) - Scalable web apps (Next.js, React, Node, Python, Ruby, GO) - Cloud and infra (AWS, Vercel, serverless, queues, robust APIs) - Highly secure enterprise architecture (microservices, cloud, CI/CD, AWS,Azure, GCP) - Full-stack implementation from frontend to cloud deployment I don't just crank out code. I build systems that scale with your business, because I've seen what happens when they don't. My clients frequently mention my expertise in AI systems, scalability, and AWS cloud services in their feedback.: ⭐⭐⭐⭐⭐ - 5 Star Rating Faizan Ali - Founder & CEO Project: Lethub - Real Estate AI Sales Agent & CRM "Faizan enabled us to raise the $1M Seed Funding round which has taken Lethub to new heights. He helped us build a reliable AI system yet with cost efficiency. I highly recommend Muhammad Faizan openly being a startup founder my self " ⭐⭐⭐⭐⭐ - 5 Star Rating Mardo Iknadiossian - Founder & CEO Project: Autonomous & Self decision making Web3 AI Agents "Muhammad was a pleasure to work with and he did a great job getting us started in our AI journey. Muhammad always made himself available when we need to chat. He was flexible with our work requirements." ⭐⭐⭐⭐⭐ - 5 Star Rating Mark - Founder Project: PathSim - AI Calling Agent "Muhammad was instrumental in implementing the details of our AI Calling SaaS application. He's an excellent coder with strong expertise in building services on AWS. We especially appreciated his availability to chat about ideas and jump on calls, which greatly facilitated the project's progress. We'll definitely be hiring him again for our next project." ⭐⭐⭐⭐⭐ - 5 Star Rating Jesse Oulet - Founder & CEO Project: Leadmagic - Leading GTM AI Tool & Clay Partners "Muhammad , he is the right guy for sure. He built a million row enrichment processor which took us on top of the GTM Waterfall with an excellent resilience and scalability on top Cloudflare infrastructure. I highly recommend him for top-notch Enterprise problem solving" ⭐⭐⭐⭐⭐ - 5 Star Rating Jason - Co-founder Project: Memo Cards "Faizan delivered good work on this project and I enjoyed working with him. His communication was top-notch, always prompt and fast. He met most deadlines and his skills were strong. At one point, I needed assistance with a task outside his expertise, and Faizan was very forthcoming about it. He helped me find additional resources to support the work efficiently. I learned many things from Faizan during this project. Overall, I think he is good, and I appreciate his professionalism. I look forward to collaborating with Faizan again in the future." How We Work Together I skip "just build it" gigs. I partner with teams who value: - Architecture that grows - Clean data flows and APIs - AI that delivers in the wild - Code that lasts beyond six months My approach? Simple and proven: - Dive into your product, users, and growth targets - Sketch the architecture that fits - Ship clean, battle-ready code - Hand off a foundation you can build on forever OpenClaw & AI Agent Specialization: Custom OpenClaw skill development (SKILL.md authoring, tool orchestration), plugin building on the OpenClaw SDK, gateway deployment and hardening (Docker, VPS, Hetzner, AWS), multi-channel integration across WhatsApp, Telegram, Slack, Discord, Signal, and iMessage, scheduled task That's why clients stick with me for the long haul. Who I Click With Hire me if: - You're crafting SaaS, AI, or automation that needs to perform - Scale, reliability, and speed matter - You want a collaborator, not a code monkey - You're in it to build a real, thriving business My Toolkit (For the Tech Curious) AI & Agents: OpenClaw (skills, plugins, gateway), LangGraph, CrewAI, AutoGen, OpenAI, Anthropic Claude, Llama, Retell, Vapi, LiveKit, MCP Servers, RAG, LangChain Full Stack: Next.js, React, Node.js, TypeScript, Python, FastAPI, Django, Ruby, Go Data & Infra: PostgreSQL, MongoDB, WebSockets, AWS, Azure, GCP, Vercel, Serverless, Docker Ready to Chat? If you're building something that counts and need it to scale without drama hit me a Message. Let's talk your product. I don't trade hours; I deliver systems that push your business ahead.

Senior AI/ML Architect with 20+ years delivering measurable results. For the past few years, all work has been built with Claude Code, with deep hands-on experience in Claude API, MCP servers, agent design, and AI workflow automation. I also coach teams and founders on how to adopt these tools in their day-to-day work, from prompt design to building production-ready automations. Available for AI enablement, 1-on-1 coaching, team training, automation design, and strategic AI leadership roles. Accomplished scalable AI solutions as measured by founding Mission Automate and leading teams at Chatsi AI by architecting end-to-end platforms with Python, TensorFlow, PyTorch, and cloud ML services. Accomplished revenue-driving features as measured by developing systems generating millions in sales (VitalSource) and serving millions of users (Charles Schwab) by building full-stack solutions with Ruby, JavaScript, and optimized database architectures. Accomplished cross-industry impact as measured by successful deployments in fintech, e-commerce, healthcare, and education by leveraging AI/ML expertise (OpenCV, Transformers, OpenAI) with Agile methodologies and cloud platforms (AWS, GCP, Azure). Core Stack: Claude Code, Claude API, MCP, n8n, Zapier, Python, Ruby, AI/ML (TensorFlow, PyTorch), Cloud Platforms, Kubernetes, PostgreSQL/MongoDB What I'm proud of: • Live Claude Code demos at Mindstone AI Meetup, Silicon Valley (2026) • Mission Automate featured by Amazon SageMaker • Published StyleGAN2-ADA superhero generation research • Speaker at RailsConf 2021

• 15+ years of experience in automated and manual testing of web, mobile, SaaS, and AI applications. • Expertise in building test automation frameworks from scratch, incl. Cypress, Playwright, and Selenium. • Expert in developing test plans, creating test cases, investigating software defects, creating bug reports. ⭐ 1st US QA expert on UpWork to earn Expert-Vetted (Top 1%) badge*. 100% Job Success score. • Strong background in implementing QA methodologies and creating detailed test documentation. • Experienced with functional, usability, UAT, regression, cross-platform, API, security, and load testing. • Skilled in test management, issue/bug tracking tools, visual testing tools, and test environments. • Experienced in using AI tools to enhance the speed and coverage of manual and automated testing. • In-depth knowledge of SDLC, STLC, Agile/Scrum, Waterfall, UI/UX and accessibility best practices. • Proficient in programming and scripting languages, and databases. • Hands-on experience with version control, CI/CD, and cloud environments. • Prior experience as a Web Developer and ERP Engineer. CORE TECHNICAL SKILLS Test automation: Cypress, Playwright, Selenium WebDriver, Postman, Appium, JMeter, Testim, JUnit, TestNG, Mocha, Chai.js. Test management: TestRail, QMetry, Azure Test Plans, qTest, Tuskr, Testiny, Testmo, Xray, Zephyr. Issue and bug tracking: Jira, Azure DevOps, ClickUp, Trello, GitLab, Bugzilla, Linear, BugHerd, Asana. Languages: JavaScript, TypeScript, Java, HTML, XML, CSS, SQL, XPath. Databases: MSSQL, Oracle, MySQL, PostgreSQL. Other: React, Vue, Next.js, Node.js, Angular, AWS, Azure, Docker, Jenkins, GitHub, CircleCI, Git, WordPress, Figma, BrowserStack, Mailosaur, Linux, Windows, macOS, iOS, Android. * Expert-Vetted badge is visible only to Upwork's Enterprise and Business Plus plan clients; others see my Top Rated Plus badge