
Ashfauck Thaminsali
Lead React Native Developer · AI Automation Engineer · Agentic AI Solutions Builder
10+ years architecting enterprise-grade mobile platforms across fintech, healthcare, and transportation — leading teams, building reusable SDKs, and shipping to UK & US markets. Now building Agentic AI, RAG, and voice-driven automation systems.
10+
Years Experience
15+
Products Delivered
7+
Engineers Led
10K+
Users Reached
Career Highlights
Experience
10+ years leading engineering teams and architecting mobile platforms across fintech, healthcare, and transportation.
Lead App Developer
The Marygold Companies
- Lead development and architecture of fintech applications serving UK and US customers
- Manage and mentor a team of 7+ developers across multiple initiatives
- Responsible for delivery, maintenance, and enhancement of 15+ products and internal solutions
- Architect React Native applications, reusable frameworks, and shared SDKs from the ground up
- Design secure banking integrations, onboarding journeys, authentication flows, and financial workflows
- Implement CI/CD pipelines using GitHub Actions and Fastlane, and lead App Store & Google Play release management
Senior Mobile Developer
Orgware Technologies Pvt Ltd
- Delivered enterprise-grade mobile applications across fintech, healthcare, transportation, and tracking domains
- Built scalable iOS and Android applications for production environments
- Integrated APIs, payment systems, notifications, and location-based services
- Collaborated directly with customers and stakeholders to deliver successful products
- Optimized application performance, reliability, maintainability, and user experience
Recently building
Agentic AI & Automation
Recently focused on Agentic AI, Conversational AI, Voice AI, and workflow automation — building AI-powered customer support and knowledge-retrieval systems on top of OpenAI.
AI Customer Support & Voice Assistants
- Designed AI-powered customer support solutions that answer inquiries, surface product information, and escalate requests
- Built appointment scheduling workflows for healthcare, retail, and service-based businesses
- Integrated OpenAI APIs for context-aware conversational responses
- Built proof-of-concept voice AI solutions using Twilio Voice and conversational AI workflows
Retrieval-Augmented Generation (RAG)
- Designed RAG-based knowledge assistants to retrieve information from business knowledge bases and FAQ repositories
- Built document ingestion and retrieval pipelines to improve response accuracy and contextual relevance
Workflow Automation
- Automated customer support and operational workflows using n8n, APIs, notifications, databases, and third-party integrations
- Developed event-driven automation pipelines to streamline customer onboarding and support operations
What I work with
Skills
Mobile & Frontend
- React Native
- iOS & Android
- TypeScript
- UI/UX Refinement
- Figma Collaboration
Backend & Platform
- Node.js
- PostgreSQL
- Secure Banking Integrations
- Payment & Location APIs
- Firebase App Distribution
DevOps & Release
- GitHub Actions
- Fastlane
- CI/CD Automation
- App Store & Google Play Release
- Multi-env Scripting
AI & Automation
- OpenAI APIs
- Agentic AI
- RAG
- Conversational & Voice AI (Twilio)
- n8n Workflow Automation
Selected work
Notable Projects
Marygold UK
FintechCore React Native fintech app for UK customers, with secure banking integrations, onboarding journeys, and authentication flows.
Marygold & Co US
FintechUS-market fintech platform sharing architecture, SDKs, and release pipelines with the UK app for consistent delivery across regions.
Bofin
FintechFintech mobile product delivered as part of the Marygold portfolio, focused on secure financial workflows and customer onboarding.
B1OS
HealthcareEnterprise healthcare application built for iOS and Android with a focus on reliability and compliance-sensitive workflows.
Trackidon
EducationStudent management and school communication platform connecting parents, teachers, and administrators in real time.
FastTrack Call Taxi
TransportationRide booking and dispatch app with real-time tracking and location-based services for a call-taxi operator.
Get in touch