Nhan Dang, Developer in San Francisco, CA, United States
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Nhan Dang

Verified Expert  in Engineering

Software Developer

San Francisco, CA, United States
Toptal Member Since
June 11, 2015

Boasting over a decade of experience in Silicon Valley, Nhan distinguishes himself as a leading engineer due to his rare combination of design acumen and technical prowess. His career journey is marked by the development of transformative products and services. Nhan is the founder of several successful tech startups, spanning innovative mobile applications to groundbreaking AI solutions.


Node.js, React, DevOps, Kubernetes, TypeScript
Sketch, Figma, React, TypeScript
Hedge Fund Research
React, TypeScript, Scrum




Preferred Environment

Git, Web, Jira, Visual Studio Code (VS Code), Vim Text Editor

The most amazing...

...thing was to engineer a 3D city planning tool for Neom city (KSA) to enable real-time zoning tests & assessments of population, traffic, & pollution with AI.

Work Experience


2020 - PRESENT
  • Spearheaded the technological evolution at Nuclent, pioneering the development of our proprietary low-code workflow automation software, resulting in a 45% increase in productivity for our clients.
  • Served as Nuclent's CTO and led a multidisciplinary team through an aggressive product development cycle, launching three major updates within a year while maintaining a steadfast commitment to quality and user experience.
  • Implemented a robust, scalable infrastructure for Nuclent's SaaS offerings, enhancing system stability and uptime by 99.9% and increasing customer trust and satisfaction significantly.
  • Orchestrated the design and deployment of a highly scalable microservices architecture at Nuclent, enhancing system resilience, facilitating seamless scalability, and enabling rapid feature rollouts.
Technologies: Node.js, React, DevOps, Kubernetes, TypeScript

UI/UX Engineer and Front-end Developer

2020 - 2020
  • Helped design and build an internal tool for optimizing merchandise and global distribution.
  • Defined a completely new experience digesting large amount of data with very advanced 3D charting, real-time infographic, and animation.
  • Built a components library and interactive charting libraries using D3 and three.js (3D web library) that handles GB of data streaming.
Technologies: Sketch, Figma, React, TypeScript

Front-end Technical Lead

2019 - 2020
Hedge Fund Research
  • Led the front-end team and helped develop the HFR database front-end application.
  • Prototyped and designed the UI/UX of the front end, built the technical guidelines, and designed a system for the team to follow.
  • Successfully launched the product that replaces the legacy system.
  • Designed from the ground up a dynamic low-code, metadata-oriented application structure that allows easy implementation of new features with little or without any coding.
Technologies: React, TypeScript, Scrum

Lead Front-end Developer

2019 - 2019
U Group (formerly ByteCubed)
  • Built a technology discovery and engagement platform for the US government.
  • Created a cross platform mobile application with OCR capabilities.
Technologies: React Native, React

React Expert

2018 - 2019
  • Constructed an automation tool with a cutting-edge user interface, enabling real-time manipulation and control of data pipelines and data streams and revolutionizing data management.
  • Steered a dynamic front-end team, employing Agile methodologies to enhance efficiency and productivity.
  • Teamed up with a designer from the renowned 'Westworld' series to craft a groundbreaking design aesthetic.
Technologies: React

Lead Software Engineer

2018 - 2019
BCG Gamma
  • Designed and built an end-to-end AI solution faster and easier than on any other platform.
  • Developed multiple data visualization applications for various BCG clients around the world.
Technologies: TypeScript, Node.js, React, PostgreSQL

Full-stack Developer

2017 - 2017
United Fitness Network
  • Developed a back-end API with a React admin client handling video/image processing.
  • Created a native iOS client serving videos, ads, and various workouts.
  • Tracked fitness data through iOS HealthKit.
Technologies: Node.js, React, iOS, PostgreSQL

Full-stack Developer and Project Manager

2016 - 2017
  • Designed and developed Coinpay, a cryptocurrency payment gateway using a PHP back end with a React-based web client.
  • Built a cross-platform React Native Cryptocurrency wallet app.
  • Created a Node.js-based cloud Bitcoin and Bitcoin Cash wallet API with Hapi.js and BitcoinJS.
  • Built a Node.js Blockchain explorer API on Hapi.js for back end and Angular 1 for the front end. The API efficiently pulls data in real time from a 1TB+ SQL database.
Technologies: Project Management, React Native, Node.js, React, PostgreSQL

Lead Developer and UI/UX Designer

2016 - 2016
Accent Technologies
  • Designed and developed Accent's new CRM and sales facilitation platform using React/Redux/Relay with Go/Relay back end.
  • Created the visual interface builder with advanced drag-n-drop functionalities.
Technologies: Go, React

VP of Engineering

2013 - 2015
SeeSpace, Ltd.
  • Rewrote Android to serve as an augmented TV OS (called InAiR) supporting Real 3D TV (3D glasses).
  • Wrote a graphic engine using C++/OpenGLES running on Android to serve the above purpose, completely rewriting Android Surface Flinger.
  • Designed a full SDK on Java for developers to build apps on the TV OS.
  • Successfully launched the product to market.
  • Wrote a sound fingerprinting algorithm to detect the TV show, music, or movie being played through the OS.
Technologies: PostgreSQL


2013 - 2014
  • Designed and implemented a responsive user interface for web, tablet, and mobile.
  • Built a crowdfunding platform from scratch using Yii framework.
Technologies: Yii

Co-founder and CTO

2010 - 2013
  • Developed a very scalable eCommerce platform, running at much lower memory/CPU than eCommerce solutions of the time.
  • Built a RESTful API logistic and fulfillment service that links between warehouses, POS systems, and online sales.
  • Created a WYSIWYG editor for the eCommerce platform to easily manage promotions, categories, and banners on the eCommerce platform.
  • Built an automatic image compression engine to reduce the network cost of transferring large product images.
  • Synced an algorithm allowing POS systems and warehouses to work in offline mode and then sync up between various stations whenever possible.
  • Created POS software and logistics software on .NET.
Technologies: .NET, MongoDB, Node.js, HTML


Working synergistically with BCG's Gamma team, we architected a revolutionary platform, streamlining the creation, deployment, and supervision of comprehensive AI solutions for enterprises. This platform significantly surpasses the speed and ease of comparable platforms, establishing a new benchmark in AI implementation.

Fim+ Digital

Fim+ Digital was one of the biggest streaming services in Vietnam. I was the interim CTO of the company for a year, where I led a team of 50 engineers to build a complete video platform, including ingestion servers, media servers, CMS, CDNs, and Android, iOS, Web, and TV clients. I architected a system that could handle 100,000 concurrent streaming clients.


Aikita.net is my own startup.

Aikita is an all-in-one communication system for business. By combining a traditional virtual phone system with industry-leading artificial intelligence, we have created a never-before-seen communication solution with endless possibilities.

Calm Kids

Calm Kids is a fun, engaging, and user-friendly app designed to promote mental wellness and mindfulness in children. This interactive tool combines a variety of stress-relieving activities, sleep stories, and meditation practices that are age-appropriate and easy to follow. With its attractive interface and captivating content, Calm Kids encourages emotional resilience, improved concentration, better sleep, and overall well-being. It's the ideal companion to foster a lifetime of tranquility and mindfulness in the young minds of today's fast-paced world.


SQL, HTML, CSS, GraphQL, Python, Go, TypeScript


React Native, Tailwind CSS, Next.js, Yii, .NET


Node.js, React


Sketch, Adobe Illustrator, Adobe Photoshop, Git, Figma, Jira, Vim Text Editor


Agile Software Development, Scrum, DevOps


Web, iOS, Firebase, MacOS, Kubernetes, Visual Studio Code (VS Code)

Industry Expertise

Project Management


MongoDB, RethinkDB, PostgreSQL


Software Development, User Interface (UI), User Experience (UX), OpenAI GPT-4 API

2008 - 2010

Engineer's Degree in Computer Science

University of Florida - Florida

2005 - 2008

Engineer's Degree in Computer Engineering

Higher Institute of Jose Antonio Echeverria - La Havana, Cuba