iOS engineer · AI/ML · London
I build software, and write about the building.
I'm Himash — five years across Swift, SwiftUI and UIKit, now moving deeper into Python, AI/ML and LLM-driven products. This is where I keep my writing and the things I've shipped.
Articles
All articles →Refactoring an iOS app to MVVM + Coordinator without losing your mind
A practical walk through restructuring a real shipping app — what actually moved the needle on testability, and what was just ceremony.
iOS · ArchitectureShipping an AI fitness-plan API with FastAPI and LangGraph
From prompt design to chunked generation and rate limiting — the engineering behind a small LLM product that had to stay cheap and fast.
AI / ML · BackendNEoWave, in plain English: reading the EURUSD daily chart
What Glenn Neely's framework adds on top of classic Elliott Wave, and how I use it to structure my own market analysis day to day.
Trading · AnalysisBuilding a UK food barcode scanner that people actually trust
Allergens, ambiguity and edge cases — the unglamorous decisions that decide whether a scanning app feels reliable or frustrating.
iOS · ProductProjects
All projects →ScanWise
2026A UK food barcode scanner that surfaces ingredients, allergens and nutrition at a glance. Built clean with an MVVM + Coordinator architecture.
HACCP Compliance App
2026A kitchen management and food-safety compliance tool for a London restaurant — temperature logs, checklists and digital records, all in SwiftUI.
AI Fitness Plan API
2025A FastAPI service that generates personalised training plans with GPT-4o and LangGraph — secured, rate-limited and deployed on Railway.
Trading Strategy Toolkit
2025Pine Script strategies for BTC/USD plus a trading journal with corrected P&L math — built around real risk-management and prop-firm rules.
Contact
Get in touchHave a project, a role, or an idea worth talking about? I'd love to hear from you.
hello@example.com