Available for work

Mobile & web appsbuilt to ship.

Full-stack Flutter engineer with 2.5+ years of production experience and 20+ apps shipped on the App Store and Play Store. I also maintain open-source packages used by 1,000+ developers on pub.dev.

Hire me

Resume/GitHub/LinkedIn

Secure Vault

GymWise

Paari.online

Fantasy Banking

Rise Pathway

I build cross-platform mobile apps with Flutter and ship web products with React when the product calls for it. For the backend, I mostly reach for Node.js, TypeScript, and Postgres — usually wrapped in NestJS with Redis where it helps.

I care about correctness, offline-first sync, and keeping interfaces lean enough to stay fast on cheap phones.

Timeline

Aug 2025 — Present

Software Development Engineer 2 - FullStack

HackerKernel · Bhopal, India

Promoted to SDE 2. Engineering core features across cross-functional teams for client products, including MortgageAssistPro (AWS Lambda document extraction, prompt caching cutting token costs by 80%) and Wally Co (LangChain + Pinecone RAG and Konva.js blueprint canvas).

Apr 2024 — Aug 2025

Software Development Engineer - Flutter

HackerKernel · Bhopal, India

Engineered and shipped mobile clients across Play Store and App Store. Took full ownership of Docnet deployment resolving compliance rejections, and shipped Kesef Deals (GraphQL sync), Fantasy Banking (fintech QR/POS), and Rise Pathway (WebSocket mentor chat).

Featured Work

Live SaaS Product · 2026Live

Paari.online

AI Resume & Career Suite

Built the AI LaTeX tailoring engine that preserves custom preamble macros and layout structure while rewriting skills, summary, and experience sections for any job description — reducing manual resume tailoring from hours to under 15 seconds. Designed the sandboxed TeX Live compilation queue powered by Redis and BullMQ to handle PDF generation without blocking API threads.

Tailoring time: <15s; via Gemini AI with zero macro destruction
Document pipeline: Isolated; BullMQ workers, S3 presigned outputs

Launch Paari.online Read case study

Stack

NestJSTypeScriptReactPrismaPostgreSQLRedisBullMQGemini AILaTeXAWS S3RazorpayTailwind CSS

Architecture highlights

Turborepo monorepo sharing type packages
Razorpay billing + plan-gated version history
PDF-to-LaTeX fallback parser (pdf-parse)
Zero server thread stalls in doc generation

Projects

Commercial2026

MortgageAssistPro

Built the AI document extraction pipeline that processes UK mortgage ESIS and offer letters — designed a 3-tier fallback ladder (raw text → regex → LLM) to avoid unnecessary AI calls, then cut LLM token costs by 80% with prompt caching layers.

Node.jsTypeScriptAWS Lambda

Case study Website

Personal2026

InspectSync

Built the two-phase push-pull sync protocol with field-level LWW conflict resolution and the private-by-default S3 media presigning system. Also architected the SQLite-backed idempotency layer for safe retry handling.

FlutterNode.jsPrisma

Case study GitHub

Personal2026

Paari.online

Full-stack job application suite featuring AI LaTeX resume tailoring, isolated compilation sandbox, automatic job matching, and PDF parsing.

NestJSTypeScriptReact

Case study Website

Skills

Flutter / Mobile

18 projects

Flutter & Dart, Bloc / Cubit & Riverpod, Custom Painters & Slivers, Native Channels (Swift / Kotlin), FFI & Platform Views

React / Web

4 projects

React 19 & TypeScript, TanStack Router & Start, Tailwind CSS & Vite, Next.js & Server Components

Backend & APIs

14 projects

Node.js & NestJS, REST & GraphQL APIs, WebSockets & BullMQ Queues, PostgreSQL & Prisma ORM, Redis Caching & S3

Platform & Storage

9 projects

Offline-first Architecture, SQLCipher AES-256 Encryption, SQLite (Drift / sqflite), Dart Isolates & Concurrency

DevOps & AI

13 projects

AWS (Lambda, S3, EC2), Fastlane & GitHub Actions, OpenAI & Gemini API, LangChain & Pinecone RAG

Packages

universal_file_viewer

High-performance multi-format file previewer for Flutter across platforms. Used by 1000+ developers on pub.dev.

pub.dev

dynamic_icon_changer

Runtime app icon switcher for Android and iOS to trigger time-boxed campaign icons.

pub.dev

surveyjs_flutter

Flutter package for rendering SurveyJS JSON forms with support for all question types — runs SurveyJS definitions natively in Flutter.

pub.dev

theinspectai

Automated AI code review tool for Flutter & mobile PRs powered by AWS Lambda and OpenAI.

NPM

If you're building something that needs to actually ship, I'd like to help.

I work best on small teams where ownership is real. Drop a line and tell me what you're building.

sonu.shour77@gmail.com

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