10/01/2026 updated
100 % available
Sr Web, Mobile Expert | Node.js, Python, .NET | SaaS & MVP, CRM & ERP | Fintech, Legal, AI
Rimouski, Canada
Worldwide
Carrington College, Bachelor's, Computer Science. 09/2015 – 08/2018Tailwind CSSFlutterJavaScriptCustomer Relationship ManagementMobile Application DevelopmentSoftware as a ServiceDevOpsEnterprise Resource PlanningFinancial SoftwareLaravelNode.jsPayment GatewayRapid Application DevelopmentIonicSystems Integration
I’m a Senior Full Stack Developer building web and mobile products from MVP to production, with strong experience in Fintech, Banking, Payment Systems, Digital Wallets, SaaS, CRM/ERP, Legal Tech, and AI.
My core stack includes Node.js, PHP, Laravel, .NET, React, React Native, Flutter, JavaScript, TypeScript, and Python.
Fintech, Banking & Payments
I build secure financial platforms covering:
✅ Banking & financial applications
✅ Digital wallets & e-wallets
✅ Payment gateways & payment processing
✅ Payment API integration
✅ Card payments & bank transfers
✅ Payouts & disbursements
✅ Deposits, withdrawals & transactions
✅ Payment subscriptions & recurring billing
✅ Stripe / Stripe Connect / PayPal
✅ Payment intents, invoices, refunds & disputes
✅ Webhooks & transaction reconciliation
✅ KYC/identity & role-based access
✅ Financial dashboards & transaction history
✅ Ledger, balance & wallet management
I design reliable payment workflows with idempotency, transaction tracking, audit logs, webhooks, permissions, and secure API architecture.
Web & Backend
I develop scalable applications with Node.js, PHP, Laravel, ASP.NET Core, React, Next.js, JavaScript, and TypeScript.
I build REST/GraphQL APIs, microservices, authentication, payment services, third-party integrations, webhooks, background jobs, and business workflows.
Databases: PostgreSQL, MySQL, MongoDB, Redis, Firebase, Supabase.
Web & Mobile
I develop iOS and Android applications with Flutter and React Native, including fintech apps, wallets, payment apps, banking dashboards, subscriptions, GPS, chat, notifications, and API integrations.
I also work with Swift and Kotlin for native features.
SaaS, CRM & ERP
I build SaaS MVPs, multi-tenant platforms, CRM/ERP systems, admin dashboards, customer portals, marketplaces, booking systems, subscription platforms, and business automation tools.
Legal & AI
For Legal Tech, I build document platforms, client portals, case management, AI document processing, search, and extraction systems.
For AI products, I integrate OpenAI, Claude, Gemini, RAG, AI Agents, OCR, embeddings, vector databases, and AI APIs.
I also automate workflows using n8n, Make, Zapier, REST APIs, GraphQL, and webhooks.
Cloud & DevOps
AWS, Docker, Linux, Nginx, CI/CD, Firebase, Supabase
Idea → Architecture → API → Development → Payment Integration → Testing → Deployment → Scaling
Need a banking app, digital wallet, payment gateway, fintech SaaS, CRM/ERP, legal platform, AI product, or web/mobile application? Let’s discuss your requirements and build it for production.
Experience
Professional experience5 - 10 years
Freelancer since2026
Languages
EnglishNative speaker
Project history
Worked as a Team Lead, overseeing the development of web and mobile applications across diverse platforms, including Android, iOS, and hybrid frameworks such as PhoneGap, React Native, Flutter, and Xamarin. Key responsibilities included designing and implementing robust solutions using LAMP, MEAN, MERN, and MEVN stacks. Proficient in front-end technologies like jQuery, Prototype, AJAX, and CSS, ensuring responsive and dynamic user interfaces. Led cross-functional teams to deliver high-quality, scalable, and innovative applications tailored to client needs.
• Developed and maintained technology platforms and integrations for web and mobile Marketplace. • Created engaging landing pages and streamlined sign-up flows, improving customer acquisition by 30%. • Implemented serverless image handling service, optimizing image load time by 30% and enhancing overall website performance. • Led the technical development efforts in the launch of the new e-commerce platform for www.casio.com, AEM with Magento, which increased sales by 25%.
Technologies: JavaScript, React, jQuery, AngularJS, HTML, CSS, Less, Sass, Grunt, Gulp, npm, C#, .Net Framework, AWS, Git * Collaborated with stakeholders to build the Web experience for the expanded Nordstrom Rewards program. * Coordinated efforts across multiple verticals to ensure timely delivery of Loyalty Web functionality. * Worked with junior developers on Loyalty Web to improve code quality through rigorous and continual refactoring. * Coordinated with teams across the company to modernize Nordstrom.com using the React library to change from a monolithic website to multiple deliverable components each utilizing a shared pattern library. * Utilized AWS cloud services to integrate the web team's software into a continuous improvement/continuous delivery pipeline, using a distributed cloud network allowed for cutting costs, flexibility and agility regarding performance and infrastructure.