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We Build What Moves You Forward, Fast

We're a growth-focused development agency for tech founders and companies that can't afford to slow down.

About

Technical Partners for Scaling Startups and Enterprises

Union Square Devs began from a decade inside venture-backed startups, where technical execution made the difference between funding success and failure. Today, we assemble elite engineering talent for founders and companies who can't afford to slow down.

We scale with your roadmap and turn your ambitious visions into market-defining product through agile methodology and test-driven development. With over 50 successful products launched, our approach is simple: stay lean, agile , and relentless .

10+

Years Experience

50+

Products Launched

15+

Startups Accelerated
Team building digital products
What Sets Us Apart

Your Technical Edge

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Global Elite Talent

Access to top 1% engineering talent on-demand, without the enterprise price tag

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Execution That Extends Runway

Development that maximises speed and impact while preserving capital.

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Full-Stack Excellence

Seamless integration from architecture to user experience.

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Startup DNA, Enterprise Discipline

Code that passes technical due diligence while meeting aggressive timelines

By the Numbers

10 Years

Executing in venture-backend environments

50 Products

Delivered from concept to market-ready solutions

10 Startups

Accelerated to secure their next funding milestone

15 Senior Engineers

Elite technical talent ready to solve your complex challenges

Success Stories

Building Breakthroughs

FinTech Startup Case Study

FinTech Startup: From MVP to Series A in 90 Days

Challenge

A promising fintech startup needed to transform their prototype into a scalable, secure platform to attract Series A funding.

Solution

We rebuilt their core infrastructure with a focus on security compliance and transaction speed, while redesigning their user experience for conversion optimization.

Impact

The client secured $4.2M in Series A funding two months ahead of their projected timeline.

97%
Platform reliability
68%
User conversion
5x
Processing speed
Healthcare Giant Case Study

Healthcare Giant: Physician Network Visualisation in 6 Months

Challenge

Doximity needed a dynamic application to connect their physician user base across an interactive map visualization.

Solution

We architected and built the Colleague Connect application using Mapbox, Leaflet.js, and React, powered by a Ruby on Rails backend API.

Impact

The application became a core engagement tool, significantly improving user retention and physician collaboration.

100K+
Active physician users
6
Months development timeline
40%
Increase in user connections

Ready To Accelerate?

We turn ambitious ideas into exceptional products that give you an unfair advantage.