Wai Yan Tun Oo (Sky)

刘炳川

Freelance Accountant • Software Engineering • Management

A versatile professional standing at the intersection of modern finance and advanced technology. I work as a Freelance Accountant (ACCA Diploma / LCCI) while building financial software — with hands-on experience in financial & management reporting, inventory & COGS analysis, and tools like Xero and QuickBooks. My passion lies in building scalable systems—whether financial frameworks or software applications—that solve real-world problems.

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Professional portrait of Wai Yan Tun Oo

4+

Years Experience

20+

Certifications

3

Languages

Featured Work

Software

Finance Master

Smart Budgeting & Personal Finance Tracking.

A lightweight, browser-based solution for everyday money management. Finance Master empowers users to track daily transactions, set savings goals, and visualize spending habits through an intuitive interface. It bridges the gap between accounting principles and user-friendly technology.

JavaScript HTML/CSS Personal Finance
Launch Finance Master
Python / Desktop

SkyAdmin Pro

Accounting & company administration desktop software.

A proprietary Windows desktop app for freelance accountants and company admins — client registers, document hubs, expiry tracking, visa and work-permit renewal checklists, month-end closes, and encrypted backup/restore. Built with offline-first SQLite, hardware-bound licensing, and Cloudflare Workers for remote activation control.

Python SQLite Accounting Document Management Cloudflare Workers
Business · May 2024 — Present

SCI Exchange

MMK ↔ THB Currency Exchange Business.

A currency exchange business serving Myanmar Kyat and Thai Baht transfers — powered by a custom platform with live rates, order creation, order tracking, and payout estimates. Founded and operated since May 2024.

Exchange Business MMK ↔ THB JavaScript Cloudflare Workers
Visit SCI Exchange
Dart / Flutter

Bakery OS

Operations platform for bakery staff & roles.

A Flutter operations system with Supabase Auth, role-scoped UI guards, and staff workflows — built for real-world retail operations and secure access control.

Dart Flutter Supabase
Research Series

The Euler Code

Decoding Calculus for Artificial Intelligence.

A groundbreaking 12-part series adapting my thesis on Gamma and Beta functions. This research bridges 18th-century mathematics with modern AI, proposing novel mathematical frameworks to resolve AI uncertainty.

Research series based on thesis work on Gamma and Beta functions.

Publication

Calculus As I Know It

(ကျွန်တော်သိသော Calculus)

A Comprehensive Guide in Burmese

Authored a definitive 60+ page educational resource that simplifies complex Calculus concepts for Myanmar students, bridging the gap between theoretical math and practical application.

Educational publication in Burmese for Myanmar mathematics students.

Android Ecosystem

Developed multiple native Android applications focusing on utility and productivity, leveraging Java and Kotlin for optimal performance.

Flutter Cross-Platform

Built seamless cross-platform mobile experiences using Flutter, ensuring consistent design and functionality across iOS and Android.

BNN Medical Simulation

Interactive Bayesian Neural Network simulation for medical diagnosis uncertainty.

Launch Application

Shrinkage Visualizer

Interactive visualiser for statistical shrinkage concepts in mathematics.

Launch Application

Bohr–Mollerup Visualizer

Educational visualiser of the Bohr–Mollerup theorem for gamma-function characterisation.

Launch Application

Work Experience

Freelance Accountant

Independent / Self-Employed

Present
  • Provide accounting and bookkeeping services for clients, including financial & management reporting.
  • Support inventory tracking, COGS analysis, reconciliations, and month-end processes.
  • Work with modern accounting tools such as Xero and QuickBooks.

Founder & Operator

SCI Exchange
May 2024 - Present

Operate an MMK ↔ THB currency exchange business serving customers between Myanmar and Thailand.

  • Manage day-to-day exchange operations, customer orders, and rate updates.
  • Built and maintain the SCI Exchange web platform for rates, ordering, and tracking.
  • Oversee compliance-related policies including terms, privacy, and AML/KYC guidance on the service.

Founder & Lead Developer

Sky Creation Innovations
2020 - Present

Established a software development initiative focusing on financial tools and digital solutions.

  • Developed and launched Finance Master, a personal money management application.
  • Built SkyAdmin Pro, proprietary accounting and company-administration desktop software for client workflows, document tracking, and encrypted backups.
  • Built the technology platform behind SCI Exchange, an MMK ↔ THB exchange business.
  • Lead the design and development of cross-platform mobile applications using Flutter.
  • Managed product lifecycle from concept to deployment.

Assistant Manager

BOC Grocery Store

Dec 2022 - 2024
  • Assisted in daily store operations, staff supervision, and training.
  • Oversaw inventory, ordering, and stock management.
  • Maintained compliance with health & safety standards.
  • Handled cash management, sales goal support, and promotions.

Manager & Accountant

S.L.K Textile Co Ltd.

May 2020 - Feb 2024
  • Managed financial reporting, bookkeeping, and documentation for 3+ years.
  • Processed invoices, payments, and bank reconciliations.
  • Supported budgeting, forecasting, and financial analysis.
  • Collaborated with senior management on month-end closings.

Hacker (Food Security)

Doh Phandee - Open Innovation

May - Jun 2020

Participated in an open innovation platform to develop solutions for food security challenges in Myanmar.

Leadership & Impact

TED Talks

Translator

Translating educational content to connect people to transformative ideas (Sep 2021 - Present).

SoulKingdom

Translator

Exemplary performance in translating Chinese Movies & Series for non-profit organization.

YSEALI

Content Writer

Developed content for "The Performance of TVET in Myanmar" organized by V-Burma Link.

BarCamps & Events

Activity Leader

Leader for University Event Activities, Business Conferences, and Yangon BarCamps.

Education

AS Computer Science

University of the People

Sep 2022

ACCA Diploma in Accounting and Business

RQF Level 4 · ACCA Part-1 UK Diploma

Nay Lin Aung Academy

2021

B.Sc (Hons) Mathematics

West Yangon University, 2020

Thesis: Beta and Gamma Functions

Outstanding Prize

LCCI Diploma

Level 3 Accounting & Finance (Pearson)

Also: Level 2 Bookkeeping & Accounting (VRQ)

Business Calc: Distinction
Cost & Mgmt: Merit
Full Scholarship

Awards & Recognition

  • Hardworking Student Prize & Outstanding Mathematics Prize
  • Full Scholarship — LCCI Diploma Level 3 Accounting & Finance

Skills & Certifications

Proficiency

Java Kotlin Dart JavaScript Python C++ HTML/CSS Android Dev Flutter React Debugging Performance Testing Network Security Financial Analysis Financial & Management Reporting Inventory & COGS Analysis Accounting Xero QuickBooks Stock Market Analysis HR Management Public Speaking Life Coaching

Languages

  • Burmese (Native)
  • English (Professional)
  • Chinese (HSK 3)

Verified Certifications

L3 Xero Certified Specialist

Xero (Jun 23, 2026) · Score 84

L2 Xero Certified Professional

Xero (Feb 10, 2026) · Score 84

Xero Migration Specialist

Xero (Feb 2, 2026)

Xero Payroll Specialist (UK)

Xero (Feb 2, 2026) · Score 85

Introduction to Business Management

King's College London

LCCI Level 2 Certificate in Bookkeeping and Accounting (VRQ)

Pearson

Presentation Skills

Nyan Lin Aung — Unlock Your Future

Certified Network Security Specialist (CNSS)

ICSI (May 2020)

Autopsy Basics and Hands On (Forensics)

Basis Technology (8 Hours)

Flutter - Beginners Course

Udemy (Jun 2021)

Foundation of User Experience (UX) Design

Google (Apr 2021)

Introduction to Probability

HarvardX (Jan 2021)

Intro to Mathematical Thinking

Stanford Online (Jul 2021)

StartUp 101

Phandeeyar Institute (Sep 2020)

Induction to OKR

Information Matrix Co., Ltd (May 2020)

Human Resources Management

eLearning College (Jan 2021)

Life Coaching (Short Course)

eLearning College (Dec 2020)

Facebook Advertising for Beginners

Edu Hub Academy (Jun 2020)

Data Visualization with Advanced Excel

PwC (Nov 2020)

Data-driven Decision Making

PwC (Oct 2020)

Chinese for HSK 3 Part-1

Peking University (Apr 2021)

Let's Build Something Together

I'm always excited to connect with new people and explore opportunities. Based in Huai Khwang, Bangkok.

Send an Email

Huai Khwang, Bangkok · Open to accounting and finance opportunities