Available for Projects & Engineering • Q4 Open

Senior Mobile & Cloud Engineer • Solopreneur

Piush KS

Senior Engineer & Solopreneur crafting high-performance mobile applications, resilient cloud architectures, and digital products.

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Stack: ✦ Swift / iOS ✦ Kotlin / Android ✦ React Native / Flutter ✦ TypeScript / Node ✦ AWS & Cloud

8+ Years

Production Experience

10M+

Users Scaled Globally

100%

Craft & Architecture

⚡ Sub-40ms P95 Latency

✦ Native iOS & Android Core

~/piush.dev/Architecture.swift 60 FPS

Engine

Apple Silicon

Reliability

99.99% SLO

Build

Instant

Can You Predict the Output?

Test your programming logic with quick code challenges across 8 languages.

🔥 0 streak ⌨️ Keys: 1-4 Enter N H

CODE OUTPUT #142 Modern ECMAScript

JavaScript Medium 1 / 10

const a = [1, 2, 3];
const b = a;

b.push(4);
console.log(a.length);

Concepts:

arrays references

What will be the output?

Click or press 1-4

Your quiz progress stays in your browser.

Start 10-Question Quiz

100% Client-Side • Zero Network Requests

Developer & Design Tools

Fast, privacy-friendly utilities for developers, designers, and mobile creators. No signup, no uploads; everything runs inside your browser.

{ }

Development

JSON Toolkit

Format, validate and inspect JSON.

Formatter Validator Tree View Minifier

/tools/json Open Tool →

Development

Developer Text Toolkit

Transform, encode and clean developer text.

10 Cases Base64 UTF-8 URL & HTML Deduplicate

/tools/text Open Tool →

Development

Code Playground

Write, compile and run code online across 12+ programming languages.

Python C/C++ JavaScript Java Go Rust

/tools/playground Open Tool →

Design

SVG Studio

Edit, optimize and export SVG graphics.

Live Canvas Optimizer Color Swatches PNG Export

/tools/svg Open Tool →

Design

UI Design Lab

Visually generate CSS, colors and reusable UI styles.

Shadows & Radius Gradients Palette 50-950 Buttons & Cards

/tools/ui Open Tool →

Design

Color Studio

Pick, generate, test and export modern UI color systems.

OKLCH Engine 50-950 Shades WCAG Contrast Harmonies

/tools/colors Open Color Studio →

Mobile

App Icon Creator

Create and export production-ready Android & iOS app icons.

Android Adaptive iOS Squircle Safe Zone 66% Xcode ZIP

/tools/app-icon Create App Icon →

Explore all tools →

Skills & Tools

Technologies, frameworks, and methodologies I leverage to architect resilient digital systems.

Astro

C++

Cpp

Csharp

Css

Dart

Elixir

Funputer

Go Old

Google Analytics

Haskell

Html

Java

Javascript

Kotlin

Lemlist

Lovable

Lua

Metabase

Mixpanel

N8n

Notion

Phoenix

Php

Plausible

Postgres

Posthog

Python

Replit

Ruby

Rust

SQL

Supabase

Swift

Tagmanager

Tailwind

Typescript

Wordpress

Astro

C++

Cpp

Csharp

Css

Dart

Elixir

Funputer

Go Old

Google Analytics

Haskell

Html

Java

Javascript

Kotlin

Lemlist

Lovable

Lua

Metabase

Mixpanel

N8n

Notion

Phoenix

Php

Plausible

Postgres

Posthog

Python

Replit

Ruby

Rust

SQL

Supabase

Swift

Tagmanager

Tailwind

Typescript

Wordpress

Astro

C++

Cpp

Csharp

Css

Dart

Elixir

Funputer

Go Old

Google Analytics

Haskell

Html

Java

Javascript

Kotlin

Lemlist

Lovable

Lua

Metabase

Mixpanel

N8n

Notion

Phoenix

Php

Plausible

Postgres

Posthog

Python

Replit

Ruby

Rust

SQL

Supabase

Swift

Tagmanager

Tailwind

Typescript

Wordpress

System Design & Architecture

Designing scalable, resilient services, clear boundaries, and data models; pragmatic trade‑offs documented via ADRs/RFCs.

Microservices Event-Driven ADRs

Mobile App Development

Cross-platform apps with Flutter and React Native, delivering seamless performance and modern UI across iOS and Android.

Flutter React Native iOS & Android

UI/UX & Design Systems

Designing intuitive interfaces and component libraries; accessibility, theming, and consistency across web and mobile apps.

Design Tokens Accessibility Figma

Full‑Stack Development

End‑to‑end features with React/Next.js, Node.js, and TypeScript, with strong UX, accessibility, and performance.

Next.js TypeScript Node.js

APIs & Distributed Systems

Designing REST/GraphQL APIs, background jobs, queues, idempotency, retries, and observability for reliability.

GraphQL & REST Redis Queues

Databases & Caching

Schema design, migrations, and performance tuning with Postgres; caching and rate‑limiting with Redis.

PostgreSQL Redis Schema Design

Testing & CI/CD

Unit, integration, and E2E tests (Jest, Playwright) with GitHub Actions pipelines, preview envs, and quality gates.

Jest & Playwright GitHub Actions CI/CD

Cloud & DevOps

AWS, Docker, and Terraform; secure deployments, monitoring/alerts, and cost‑aware operations.

AWS Docker Terraform

Work Experience

Career milestones, leading systems architecture, and engineering high-impact digital solutions.

Founder, Solopreneur

Self-Employed Remote

Built and scaled a profitable online business from the ground up, launched multiple digital products serving thousands of users, drove growth through SEO and content marketing, automated operations with custom tools, and managed end-to-end product design, development, and customer success.

Linear Asana Monday.com Miro Confluence Notion AI ClickUp Automations Airtable Interfaces Tableau Mixpanel Intercom Zapier + Make (Integromat) HubSpot (Advanced CRM)

Senior Software Engineer

Freelace Remote

Led the design and delivery of a multi‑tenant platform, decomposed critical monolith paths into services, improved p95 latency by 40%, defined SLOs and on‑call rotations, and mentored junior engineers.

TypeScript Node.js React PostgreSQL Redis AWS Docker Kubernetes Terraform GraphQL

Senior Mobile Engineer

Freelace Remote

Designed and optimized resilient mobile payment workflows with idempotency and retry mechanisms, integrated asynchronous messaging for background operations, enforced backward-compatible API versioning, and enhanced app observability through structured logging and performance tracing.

Kotlin Jetpack Compose Swift SwiftUI React Native Flutter GraphQL gRPC Kafka PostgreSQL Redis OpenTelemetry AWS Firebase

Frontend Mobile Engineer

Esolz Technologies India

Owned the mobile design system and rendering strategy, optimized app startup and interaction performance to meet industry benchmarks, and delivered accessible, reusable UI components with comprehensive test and story coverage.

Java Kotlin Objective-C Swift

Frontend Android Engineer

Webcraftz Technologies India

Built Android features end-to-end: developed UI with XML layouts and custom views, integrated REST APIs using Retrofit, implemented CI/CD with Jenkins for preview builds, introduced feature flags for gradual rollouts, and migrated local storage to SQLite/Room.

Java Android SDK XML Layouts Retrofit SQLite / Room Firebase Git Gradle

Frontend iOS intern

Karmick Solutions India

Developed iOS features in Objective-C using UIKit and Storyboards, built custom UI components, integrated REST APIs with NSURLSession, fixed bugs to improve app stability, and supported release testing and App Store submissions.

Objective-C UIKit Storyboards & XIBs Core Data REST APIs (NSURLSession) Xcode Instruments Git

Education & Studies

Computer science foundations, distributed systems, and software engineering principles.

Bachelor of Computer Applications

Indira Gandhi National Open University

Core CS foundations : Data structures, algorithms, operating systems, networking, and databases; team capstone in web systems.

Algorithms Data Structures Operating Systems Databases Networking

Master of Computer Applications

Indira Gandhi National Open University

Focus on : Data structures, algorithms, operating systems, databases, and networking; advanced coursework in distributed systems, cloud computing, and machine learning; team capstone in full-stack web and mobile systems.

Distributed Systems Distributed Systems Cloud Computing Machine Learning Basics Software Engineering Practices Testing Microservices