San Francisco Office

Altitude Labs, Block71, 599 2nd Street, San Francisco 94107, USA

Why We're Here

A fundamental shift in the way businesses operate is unfolding. Until today, competitive edge was built on people, processes and fixed assets. Tomorrow, competitive edge will be built on great software engineering, UI/UX design and actionable artificial intelligence. We work with businesses to build for tomorrow.

Who We Are

Creative. Strategic. Product-centric. We are world class designers, engineers and makers envisioning new competitive edge for companies in the San Francisco Bay Area.

What We Do

We marry human-centered design with complex software engineering to help San Francisco Bay Area companies innovate and grow.

How It Began

Founded in 2013, Altitude Labs is a leading agile web and mobile app development and UI/UX design firm with a presence in Hong Kong, Singapore and San Francisco. We have designed and deployed apps impacting over 100 million active users. We are a one-stop shop for turning software ideas into scalable business realities creating usable interfaces with the latest technology stacks. Our founders were trained in San Francisco and New York and our advisors are former employees of Google, Yahoo, Twitter, Facebook, Gilt Groupe, OKCupid Labs and OpenTable.

Our Leadership

Jaclyn Tsui, Partner & Lead Designer. Jaclyn leads our design team. Born and raised in Hong Kong, she graduated with a Joint Honors degree at the Imperial College of London and a Master’s of Science degree in the University of Hong Kong. She began her career in private equity before becoming a fullstack software engineer. She is passionate about entrepreneurship, youth empowerment, mentorship and is a keen supporter of education scholarships. In her free time, she commits herself to the CIS alumni dragon boat team, skiing, scuba diving and traveling. Find her on LinkedIn →

Justin Yek, Partner & Chief Data Engineer. Justin leads our data engineering team. Born and raised in Singapore, he graduated with a financial engineering degree from Columbia University and holds an ACCA qualification. He began his career in investment banking in Hong Kong, China and Southeast Asia before teaching himself to code. In his free time, he enjoys teaching, playing in a band and watching Netflix. Find him on LinkedIn →

Eugene Choi, Partner & CTO. Eugene leads our engineering team. Born and raised in New Zealand and San Francisco, Eugene is a Korean American who attended UC Berkeley. He met Justin and Jaclyn at San Francisco in 2014 and moved to Hong Kong to be our CTO. In his free time, he enjoys badminton, competitive gaming and eating spicy ramen. Find him on LinkedIn →

Our Capabilities

How We Work

Clients As Partners
We work closely with our clients often involving them in active user discussions and empowering them with the right knowledge to articulate business strategy in a digital manner. Clients stay close to the project often overseeing every aspect of the delivery.

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Work in Agile
The agile software engineering methodology values individual and interactions over processes and tools, customer collaboration over contract negotiation, and responding to change over following a plan.

02
Lean Team
Our best works are done in small teams where we have people from multiple disciplines and departments within the company looking at a problem from different angles. Being nimble and dynamic is what we value.

03
Solve Complex Problems
We love tackling hard problems. Especially problems that seem impossible. Our team is experienced in breaking down problems in bite size pieces, drawing inspiration from open source projects and logically mapping out system architecture to build solid foundations.

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