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sudhi001/README.md

Sudhi S — Technical Architect · healthcare, insurance and identity systems

Website Email LinkedIn X Bluesky


I build systems end to end — Flutter and native mobile clients, the JVM/Go/Python services behind them, and the data pipelines that make them useful. Most of my work is in regulated domains, so HL7, encryption and identity are daily concerns rather than afterthoughts.

Technical Architect at Stabilix Solutions since 2013, working from Trivandrum, Kerala.

Currently — HL7 v2 developer tooling in Rust, native-backed Flutter storage plugins, and Go service libraries. Distributed through Homebrew and pub.dev.


Featured work

hl7probe

Rust · command-line tool · MIT

Decodes and validates HL7 v2 messages in the terminal. Renames PID-5 to Patient Name, turns 19850312 into 1985-03-12, age 41, and reports exactly what a receiving hospital system would reject.

No server, no configuration — one binary, one answer.

brew install sudhi001/tap/hl7probe

FormStack

Dart · Flutter package

pub likes downloads

A cross-platform ResearchKit and ODK alternative for Flutter. Build dynamic forms and surveys across 35 input types from a declarative spec instead of hand-written screens.

native_datastore

Dart · Flutter plugin

pub likes points

Persistent key-value storage backed by Android Jetpack DataStore and iOS UserDefaults — the modern replacement for SharedPreferences.

Documentation site · wiki guides · security policy

TOML → Android strings.xml

Kotlin · JetBrains Marketplace

downloads

IDE plugin that converts TOML localisation files into Android string resources, removing a manual step from the release process.

Companion widget: toml_viewer renders TOML as an interactive tree in Flutter.

flutter_crypto_security + crypto_utils

Dart and Go

Matched client and server halves of a single crypto contract — RSA/AES encryption with signature verification, proven against each other by a cross-platform test harness.

SmartTerrarium + SmartIOTConnect

C++ and Dart · ESP32

Terrarium irrigation driven by temperature and soil humidity, plus the Flutter app that provisions the board over BLE — firmware and companion app designed as one system.

See also L_Spectra_Guardian, an ESP8266 air-quality and proximity monitor.
More open source

Backend libraries — Go

Healthcare

Developer tooling

Earlier work


Tech

Flutter Dart Kotlin Swift Rust Go Java Spring Python PostgreSQL Kafka AWS

Full stack, by category
Languages Java · Kotlin · Swift · Dart · Python · Go · Rust · JavaScript · C# · C · C++ · Objective-C · PHP
Mobile Flutter · Android (native) · iOS (native) · KMP/KMM · React Native · Ionic
Backend & web Spring / Spring Cloud · Javalin · FastAPI · Flask · Node.js · .NET · Vapor · Next.js · React
Desktop Flutter · SwiftUI · JavaFX · Electron
Data & ML PyTorch · TensorFlow / TF Lite · Keras · CoreML · Spark · NiFi · Hive · Impala · Kudu
Databases PostgreSQL · MySQL · MongoDB · SQLite · BadgerDB · Realm · Couchbase Lite · Neo4j
Messaging Kafka · RabbitMQ · ActiveMQ · ZeroMQ · MQTT
Protocols & formats REST · gRPC · GraphQL · WebSocket · WebRTC · SOAP · HL7 v2 · Protobuf · Avro · Parquet
Cloud & serverless AWS (EC2, S3, SNS, SQS, CloudFront, Amplify) · Firebase · Supabase
CI/CD & tooling GitHub Actions · Jenkins · Fastlane · Homebrew · Playwright
Embedded ESP32 · ESP8266 · Raspberry Pi · Arduino · MicroPython · Embedded Swift
Architecture Microservices · MVVM · MVI · VIPER · MVP · MVC

Experience

Technical Architect · Stabilix Solutions · 2013 – present Architect systems across healthcare, insurance and identity: big-data analytics pipelines, VOIP and chat frameworks, recommendation engines, and cross-platform Flutter applications spanning mobile, web and desktop. Mentor engineers and translate business requirements into technical design.

Software Engineer · Zayan Infotech · 2012 – 2013 Full-stack development across hospitality, education and utility products; led system integration testing.

Full history on LinkedIn.


sudhi.in  ·  support@sudhi.in  ·  LinkedIn

Pinned Loading

  1. FormStack FormStack Public

    FormStack is a library designed to help developers create dynamic user interfaces in Flutter. Specifically, the library is focused on creating forms and surveys using a JSON or Dart language model.

    Dart 2

  2. UIGridView UIGridView Public

    UIGridView

    Java 5 2

  3. toml_viewer toml_viewer Public

    TOML Viewer - Flutter Widget

    Dart 1

  4. SmartTerrarium SmartTerrarium Public

    This project aims to automate an in-house terrarium using IoT technology. The goal is to maintain optimal conditions within the terrarium by automatically spraying or pouring water based on the atm…

    C++ 5

  5. hl7probe hl7probe Public

    A friendly command-line tool for reading and checking HL7 v2 messages.

    Rust 2

  6. native_datastore native_datastore Public

    A modern Flutter plugin for persistent key-value storage, powered by platform-native APIs.

    Dart