Arunkumar B

Hi, I'm

Arunkumar B

FP&A · Financial Controlling Professional

I work in FP&A end to end, and actively automate the financial processes behind it, saving time and improving accuracy. Please click below to contact me or to know more

About Me

I am currently working in Financial Planning & Analysis and Controlling at XBP Global with end-to-end ownership of budgeting, forecasting, variance analysis, and MIS/Management reporting. Independently managed the
full finance cycle with driver-based forecasting, month end closure review, GM/EBITDA profitability analysis by customer, scenario/risk case management.

I have an MBA specialising in both Finance and Marketing, with a strong academic foundation in IIT Madras and Technical Univeristy of Munich

FP&A
MBA - IIT Madras
TU Munich

AI Projects

Some of the AI projects I've built

Bucks Finance Tracker

Built and shipped a personal finance app in Flutter — multi-currency accounts, investment and loan tracking, map-based spending visualisation, and AI-generated insights drawn from the transaction history.

FlutterDartFirebase+2

ATrade — Market Signal Research

A research dashboard built to learn how market signals behave. Streams live prices, derives BUY/SELL/WAIT calls from price-action indicators and news, then paper-trades them to test.

Next.jsTypeScriptPWA

StoryLingo

Shipped a language learning/reading app to Android and the web from a single Flutter codebase. Parallel learning language–English stories, tap-any-word translation, three reading layouts.

FlutterDartFirebase+2
IN PROGRESS

Financial Modelling & Control

Something exciting is being worked on. Until then, here's an illustrative walk-through of how a variance is traced to its driver and folded back into the forecast.

DRIVER-BASED FORECASTINGrevenue driverscost driversFTE / headcountconsolidated forecastmonthly cycleupsidebasedownsiderisk-weighted case selectionVARIANCE & CONTROLbudgetactualvariance bridgeby customer · cost centreGL / P&L reviewflag anomalies< 1.5% variancetarget heldcloses into next cyclebase case → budget

Currently Learning

Upskilling in AI & Development

RETRIEVAL PIPELINEqueryencodervector indexHNSW · cosinetop-k · k=8rerankcontext windowMMR λ=0.5generatorgrounded decodeno citation → re-retrieveAGENT ORCHESTRATIONorchestratorplan · route · haltplannerdecomposeresearchertool callscriticverifyshared statescratchpad · tracereject → replanretrieved context

Built With

Technologies & Tools I Use

Languages

  • Dart
  • Kotlin
  • TypeScript
  • Python
  • JavaScript
  • SQL

Frameworks

  • Flutter
  • Next.js
  • React
  • Android SDK

Data & Backend

  • Neon Postgres
  • Firebase
  • BigQuery
  • Redis

APIs & Integrations

  • Binance API
  • Telegram Bot API
  • Google APIs
  • Gemini API

Automation & Deploy

  • GitHub Actions
  • Vercel
  • Google Apps Script
  • Claude
  • Antigravity IDE

Finance Tooling

  • Advanced Excel
  • Power BI
  • Looker Studio
  • ODOO
  • Power Pivot

Get In Touch

Let's connect and build something together