DIGITAL FINANCE SOFTWARE / SEA + KR

Financial
infrastructure,
re-engineered
with AI.

A financial IT studio operating across Vietnam and Korea. We architect securities systems and design AI-native investment experiences.

difisoft@sea ~ / stack.sh
// core stack
→ securities_core: Navisoft, LOTTE_HPT, FSS, TTL
→ channel: "React Native + React"
→ backend: "Java/Node/Go MSA, PG, Kafka"
→ ai_layer: AI agentic engineering + Multi-LLM
→ cloud: "AWS", "Google"

// clients served
→ vietcap securities (2018)
→ kis vietnam securities (2019)
→ kb securities vietnam (2019)
→ miraeasset securities vietnam (2020)
→ nh securities vietnam (2023)
→ shinhan securities vietnam (2024)
→ bidv securities vietnam (2025)
→ quantit (2025)

$ deploy
01 / ABOUT

By the numbers.

Founded in Hanoi in 2018, Difisoft runs under a Singapore holding company with two operating entities in Korea and Vietnam. Vietnam leads securities IT engineering; Korea leads product — Paave and Keymetric.

SINCE
2018
Hanoi office opened
ENTITIES
03
Singapore · Korea · Vietnam
TEAM
25+
IT · BA · QA · Design
CORES
04
Navisoft · LOTTE HPT · FSS · TTL
// AI-NATIVE DEVELOPMENT
Built by humans, powered by AI.

Every team at Difisoft actively practices AI agentic engineering. We use multi-LLM orchestration across Claude, GPT, and Gemini to compound human craftsmanship — reviewing code, generating components, synthesizing design, and shipping faster than traditional shops.

Claude Code Cursor ChatGPT Gemini RAG VectorDB Agent workflows
02 / STRUCTURE

Two real entities, one vision.

Under the Difisoft holding company, Vietnam and Korea operate as sister entities — each with a distinct area of leadership.

HOLDING / SINGAPORE
DIFISOFT HOLDING
GROUP HQ
KOREA
Difisoft Korea
PAAVE · KEYMETRIC
Kim Wonhyung in ↗ — Co-CEO, Co-founder
Hwang Seongyeon in ↗ — Co-CEO
Seo Hyungbok in ↗ — CIO (Investment), Co-founder
VIETNAM
Difisoft Vietnam
SECURITIES IT · OUTSOURCING
Nguyen Tri Tuan Hiep in ↗ — CEO, Co-founder
Do Thi Hang in ↗ — CPO (Product)
~20 engineers (Hanoi · HCMC)
03 / BUSINESS

What we build.

Four business lines, each led by the entity best suited for it. AI-native products from Korea; securities IT and offshore outsourcing from Vietnam.

BY DIFISOFT KOREA
AI INVESTMENT PLATFORM

Paave
Social Investing,
Reinvented with AI

SOCIAL INVESTING · AI · WHITE-LABEL

A social investing SaaS platform for securities firms, reinvented with AI-native capabilities. Community feeds, virtual trading, AI Rating, Copy Trading, and TIPS-selected AI personalization — all delivered as a white-label API. Led by Difisoft Korea.

  • Live with NH Securities Vietnam (NHSV Pro)
  • $10M GMV within 8 months of launch
  • Built-in AI Rating · Robo Advisor
  • TIPS-selected AI personalization system
BY DIFISOFT KOREA
AI SAAS

Keymetric
AI Reporting

MULTI-LLM · RAG · AWS

An AI SaaS platform for automated portfolio reporting, powered by Multi-LLM orchestration, RAG, and VectorDB for multilingual financial analysis. Led by Difisoft Korea.

  • Portfolio management system for venture capital, powered by AI
  • In partnership with The Invention Lab
BY DIFISOFT VIETNAM
FINANCIAL IT

Securities IT Solutions

B2B · FINANCIAL IT

Covering the full stack — from architecture and real-time data processing to order/execution engines and multi-channel delivery (MTS · WTS · API). Led by Difisoft Vietnam, with deep expertise across Vietnam's major securities core systems.

  • Securities Core · API Gateway · Real-time Engine
  • MTS · WTS (React Native · React · TypeScript)
  • Navisoft · LOTTE HPT · FSS · TTL integration
  • Served 7 of Vietnam's top 20 securities firms
BY DIFISOFT VIETNAM
OFFSHORE TO WORLD

Offshore IT
Development

WEB · MOBILE · BACKEND

Difisoft Vietnam is expanding beyond securities — offering offshore web, mobile, and backend development to clients globally, with Korea and Vietnam as primary markets. Years of hands-on delivery for Korean securities firms and corporates have given the team deep fluency in Korean work culture: how decisions are made, what quality really means, and how to communicate without friction.

  • Web · Mobile · Backend for any industry
  • Proven delivery with Korean securities firms & corporates
  • Korean work culture & quality standards — deeply understood
  • Vietnam-based team — competitive cost, offshore-ready
04 / WHY

Why Difisoft.

Four reasons clients come to us — and stay.

01 / SENIOR-ONLY

Small team.
Senior-only.

~25 engineers across Vietnam and Korea. Every project is led by a founding-era engineer who still writes code. No account layers, no resource shuffling, no handoff tax.

The tradeoff: we pick our clients carefully, and we go deep.

02 / QUALITY × VELOCITY

Korean quality bar,
Vietnam velocity.

Since 2018, we've shipped for KIS, KB, Shinhan, NH, Mirae Asset, BIDV, and Quantit. Seven years internalizing what Korean institutions mean by "done" — delivered from a Vietnam cost base without translation loss.

Seoul-grade rigor at Hanoi-grade economics.

03 / AI-NATIVE

AI-native,
not AI-decorated.

Every engineer ships daily with Claude Code, Cursor, and internal multi-LLM agents. It's why a 25-person team delivers at the pace of a 60-person traditional shop — and why we build Keymetric and Paave's AI features in-house.

Not a slide. It's how we compound every senior engineer we have.

04 / DEEP ROOTS

Seven years deep
in one ecosystem.

Vietnam securities is a long game. We've integrated with every major core — Navisoft, LOTTE HPT, FSS, TTL — delivered alongside seven of the country's top twenty firms, and our founders still run the company.

We're not consultants passing through. We plan to ship from the same two offices a decade from now.

05 / PARTNERS

Our official partners.

Strategic alliances that compound Difisoft's reach — combining Vietnam's market-leading securities core technology with Korea's most advanced AI investment platform.

OFFICIAL PARTNER · VIETNAM
Navisoft
The best securities ledger solution in Vietnam.

Vietnam's leading securities core technology company, whose systems power investment banks, commercial banks, and the national stock exchange. Our 2024 strategic partnership combines Navisoft's deep ledger expertise with Difisoft's engineering to deliver next-generation trading solutions across Southeast Asia.

navisoft.com.vn ↗ Partnership announcement ↗
OFFICIAL PARTNER · KOREA
Quantit
The best AI investment platform in South Korea.

A Seoul-based AI investment company whose Finter Labs platform enables the creation, validation, and operation of AI-driven investment models. Under a 2024 MOU, Quantit and Difisoft jointly develop AI-powered financial investment solutions for Southeast Asia — bringing Korean investment intelligence to Vietnam, Indonesia, and beyond.

quantit.io ↗ Partnership announcement ↗
06 / PORTFOLIO

Selected works.

Rich experience and expertise in financial IT, especially securities. Live apps on App Store and Google Play across Vietnam and Korea.

BSC SECURITIES VIETNAM
2025

MTrader — Mobile Web Trading System

Mobile Web Trading System for BSC Securities (BIDV Securities Company), Vietnam. BSC provides this trading system via BIDV app.

  • Integrated into BIDV's banking super-app — bank–brokerage convergence
  • Difisoft project on FSS core
  • Mobile-web architecture — no App Store approval cycles, instant updates
  • Cleared BIDV bank-grade compliance and QA review
BSC MTrader
BSC MTrader
BSC MTrader
BSC MTrader
Live ↗
QUANTIT · KOREA
2024 — 2025

Moneytoring — Web & Mobile

Investment insight platform delivering investment content, community, and stock analysis across Web and Mobile.

  • Full-stack delivery — Web, iOS, Android from a single product team
  • Launched with Difisoft's official Korean partner Quantit (2024 MOU)
  • Live on Apple App Store and Google Play
Moneytoring
Moneytoring
Moneytoring
Moneytoring
Web ↗ iOS ↗ Android ↗ Quantit ↗
SHINHAN SECURITIES VIETNAM
2024

SanXinHa — Mobile Trading System

Clean, intuitive design with Lite and Pro modes — tailored for beginner and professional investors.

  • Dual-mode UX (Lite / Pro) — tailored to beginner and professional investors
  • Shinhan's flagship retail channel for the Vietnam market
SanXinHa
SanXinHa
SanXinHa
SanXinHa
SanXinHa
SanXinHa
iOS ↗ Android ↗
NH SECURITIES VIETNAM
2024

NHSV Pro — Mobile Trading System · API

A fully rebuilt Mobile Trading System featuring virtual trading and a wide range of new capabilities, delivered with modern microservice architecture.

  • Virtual trading engine — flagship user-acquisition feature
  • React Native + Java MSA — modern stack replacing legacy monolith
  • Runs on LOTTE HPT core with full API rebuild
NHSV Pro
NHSV Pro
NHSV Pro
NHSV Pro
iOS ↗ Android ↗
KIS VIETNAM SECURITIES
2022

Web Trading System · Securities Core

Web Trading System, Backend API development, and PMO for the securities core — including Dataroad/Horizon migration support — for KIS Vietnam.

  • Main contractor for KIS Vietnam's next-generation core infrastructure
  • Migrated from LOTTE HPT to TTL core — zero-downtime cutover
  • Dataroad OMS and Horizon software integration via FIX protocol
KIS WTS
Live ↗
MIRAE ASSET VIETNAM
2021

MAS Trade — WTS

A modern Web Trading System developed in partnership with Mirae Asset Securities Vietnam.

  • Built on TTL core with bank gateway to VCB and BIDV
  • Collocation architecture — direct bank–broker cash settlement
  • Still live at mastrade.masvn.com — 5+ years in production
Mirae Asset
Live ↗
KIS VIETNAM SECURITIES
2019 · 2022

FIX Connectivity

FIX protocol connectivity between LOTTE HPT / TTL core and Horizon software and Dataroad OMS — enabling covered warrant (CW) issuance on the Vietnam market. Also supported the FIX migration from LOTTE HPT core to TTL core for Dataroad/Horizon connectivity.

  • Enabled KIS Vietnam to issue covered warrants on the Vietnam market
  • Production since July 2019 — live through the 2022 core migration
  • Supports both Horizon (liquidity provider) and Dataroad (OMS)
VIETCAPITAL · KISVN · KBSV
2019 — 2020

WTS · MTS · Backend API

First-generation Web and Mobile Trading Systems built for VietCapital Securities, subsequently extended to KIS Vietnam and KBSV.

  • First production trading system Difisoft shipped (VietCapital, 2019)
  • Template re-used and extended across 3 securities firms in 18 months
  • Foundation of our LOTTE HPT and FSS core integration expertise
Early platforms
Early platforms
Early platforms
// PROJECT HISTORY

15 projects shipped, on time and in full.

Since 2018, Difisoft has delivered 15 projects across Vietnam and Korea — from WTS/MTS systems for Vietnam's top securities firms to AI-native products for Korean partners. Every engagement delivered on time, in full.

→2025The Invention Lab — Keymetric (AI Portfolio Reporting)
→2025Korean Lawfirm VN — ChatGPT-style AI Legal
→2025BIDV Securities — Mobile Web Trading
→2024Quantit Moneytoring — Mobile/Web
→2024Shinhan Securities Vietnam — MTS
→2023NH Securities Vietnam — MTS · API
→2021Paave — Social Investment Platform
→2021KBFINA — Ledger Implementation
→2021KIS Vietnam — Next-Gen Ledger (main contractor)
→2021VietCapital — Priceboard · Market FEP
→2020Mirae Asset Vietnam — WTS · Bank Gateway
→2020AI Rating — stock evaluation system
→2019KB Securities Vietnam — WTS · MTS · API
→2019KIS Vietnam — WTS · MTS · API · FIX
→2018VietCapital Securities — WTS · MTS · API
07 / CONTACT

Let's talk.

Reach out to the right team — securities IT projects via Vietnam, product and AI partnerships via Korea.

◉ KOREA
Difisoft Korea
Paave · Keymetric · AI partnerships
sales@difisoft.kr →
◉ VIETNAM
Difisoft Vietnam
Securities IT · outsourcing engagements
sales@difisoft.vn →