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Rahul S

Software & AI Engineer

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About

Multilingual mobile engineer focused on Kotlin (Compose), SwiftUI, and TypeScript with an eye for UI/UX quality and end‑to‑end ownership. JLPT N1; experienced with async collaboration (GitHub, Slack, Figma). Currently building cross‑platform apps and integrating practical AI (RAG/LLMs).

Qualifications

  1. Master’s in Software Engineering (AI Engineering)

    Applied AI systems, LLM engineering, model compression & evaluation.

  2. Bachelor’s in Software Engineering (Java Full Stack)

    Full‑stack apps (REST, SQL/NoSQL), CI/CD, Agile.

  3. Associates Diploma in Automotive Engineering

  4. Certifications

    ITIL V4 (2025) · Google UX (2024) · Google PM (2024) · Google IT Support (2023) · JLPT N1 (2023)

Skills

Core

  • Kotlin · Jetpack Compose
  • Swift · SwiftUI
  • TypeScript
  • Python
  • SQL

Mobile & Frontend

  • Android Jetpack
  • Material 3
  • Vite
  • GSAP

Back End & Infra

  • Firebase (Auth/Firestore)
  • REST APIs
  • Docker (basics)
  • CI/CD Ready

Applied AI & Data

  • LLMs · RAG
  • NLP
  • Quantization / Distillation
  • Evaluation
FigmaDesign/Prototyping
GitHubPRs, Issues, Projects
Slack / NotionAsync collab
TestingQA, Debugging
UI/UX Fidelity
Mobile Architecture
Type‑Safe Code (TS/Kotlin)
Applied AI Integration

Projects

TiME Android app screenshot

TiME (Android)

Smart time tracker built with Kotlin + Compose + Firebase.

Repo
NOTE notes app screenshot

NOTE (Android/iOS)

Elegant notes app (Material 3 / SwiftUI), clean architecture.

Repo
SEiKŌ language learning platform screenshot

SEiKŌ

Kanji reading + SRS platform with EPUB pipeline & vocab mining.

Repo
NATiVE offline reader screenshot

NATiVE

Offline reader with vocab mining for immersion learning.

Repo
DEMiSTER RAG assistant screenshot

DEMiSTER

RAG assistant with vector search and clean prompt flows.

Repo

Let’s build something

srahul@outlook.jp

github.com/watarikai96