
Tolui.D (aka Injaan)
I forge code. I craft software đź’Ž
Injaan means goldsmith in Mongolian—a master craftsman who transforms raw materials into works of lasting value. With the same dedication to craftsmanship, I develop reliable, scalable software and thoughtfully designed digital experiences.
ABOUT ME
For over two decades, I have been engineering complex software systems with the dedication and precision of a master craftsman. My journey in the technology landscape spans 20+ years, with a primary focus on designing secure, highly resilient, and scalable platforms for the banking and financial sectors.
My career reflects a complete hands-on evolution through every layer of infrastructure and software. I began my path as an IT Support Engineer and System Administrator, cementing a deep understanding of networking and system operations. Over the years, I transitioned through roles as a Junior Developer, Senior Front-end Developer, and Senior Fullstack Developer, culminating in my current role as a System Architect.
This full-spectrum experience allows me to design architecture that is not only elegant on paper but stable, maintainable, and secure in production. Having successfully architected and shipped 20+ major IT projects, I continue to drive technical excellence and deliver high-impact solutions.
In recent years, I have successfully transitioned into technology management and executive leadership, serving as an IT Manager at Premium Corporation and currently as the Chief Technology Officer (CTO) at Vestawell LLC. In these roles, I specialize in organizing and scaling cross-functional software engineering teams, driving fintech product strategy, and aligning technical roadmap execution with overarching business goals.
SKILLS
Frontend & Mobile
Backend & Databases
Web3 & Blockchain
Systems & DevOps
AI & Emerging Tech
Game Development
EXPERIENCE
Vestawell LLC / CTO
Serving as the Chief Technology Officer (CTO) at a fintech startup, responsible for developing the fintech system, and managing and organizing the IT team.
Premium Corporation / IT Manager
Led the system development department consisting of a 5-member team within the group's Information Technology division.
State Bank of Mongolia / Software Developer
Responsible for the automation of internal documentation workflows at the State Bank of Mongolia, developing customized office solutions using Microsoft SharePoint 2019 and React.js.
Chinggis Khan Bank / Systems Administrator & Software Developer
Focused on office automation solutions utilizing Microsoft SharePoint, Microsoft Exchange, and Active Directory. Subsequently transitioned to the Bank's Research & Development Department, conducting research and developing new digital technology-based banking products.
Institute of Informatics / Web Designer & Network Engineer
Started initially as a research assistant and was subsequently promoted to a research associate. Responsible for managing and maintaining the network infrastructure of the Mongolian Academy of Sciences (MAS) along with developing and administering websites for its affiliated institutes.
PROJECTS
Integrating Microsoft SharePoint Server into Chinggis Khan Bank Operations
2009-2010Role: Systems Administrator, Software Developer
Implementing Internet Banking System at Chinggis Khan Bank
2011-2012Role: Systems Administrator
Internal Operations Automation Project at Chinggis Khan Bank
2012-2013Role: Systems Administrator, Developer
“3 Coins Fortune” Mobile Application
2014Role: Developer, Designer
“Mind Reader” Mobile Application
2014Role: Developer, Designer
“Khalkhin Gol - Aerial Combat” Mobile Game
2014Role: Developer, Designer
“JUMP JUMP DIE” Mobile Game
2014Role: Designer, Developer
Platform: Android
“HAUNTED DREAM” Mobile Game
2014Role: Designer, Developer
Platform: Android
“HASAJI CRUSH” Mobile Game
2015Role: Designer, UI/UX Developer
Platform: Android, IOS
“DICE KING” Mobile Game
2015Role: Designer, UI/UX Developer
Platform: Android, IOS
“SOBA” AI-Powered Chatbot for Financial Services
2017Role: Developer
Platform: Facebook Messenger
“ebank.ckbank.mn” Chinggis Khan Bank Internet Banking
2018Role: Front-End Developer
Platform: Web
“EWA” Chinggis Khan Bank Digital Wallet
2018Role: Front-End Developer
Platform: Web
“Open API” Chinggis Khan Bank Open Banking Project
2019Role: Full Stack Developer
Platform: Web service, API, Client Web
“PAYNOW” Paynow LLC Digital Wallet
2019Role: Backend Developer
Platform: Web service, API
“X2 TOURNAMENT” Gamification Platform
2020Role: Fullstack Developer
Platform: Web service, API, Client Web App
“QUIZMO.MN” Crossplatform Entertainment Chatbot
2020Role: Fullstack Developer
Platform: Web service, API, Client Web App
“MONGOL.ASIA” Mongolian Music Digital Encyclopedia
2021Role: Fullstack Developer
Platform: Backend, API, Client Web App
“WELLPAY.MN” Fintech System
2023Role: Fullstack Developer, CTO
Platform: Backend, API, Admin Web and Mobile App
“TOURESIM.MN” Global Data Esim provider
2026Role: Fullstack Developer
Platform: Web application, Backend, API, Admin Web